add gitignore, clang-format, build script; merge src's patch for spaces in filenames

This commit is contained in:
Iris Lightshard 2021-06-12 23:54:54 -06:00
parent cf57dbe235
commit 5540d37849
Signed by: Iris Lightshard
GPG key ID: 3B7FBC22144E6398
38 changed files with 15300 additions and 15770 deletions

23
.clang-format Normal file
View file

@ -0,0 +1,23 @@
TabWidth: 2
IndentWidth: 2
ContinuationIndentWidth: 2
UseTab: Never
AllowShortBlocksOnASingleLine: Always
AllowShortCaseLabelsOnASingleLine: false
AllowShortEnumsOnASingleLine: true
AllowShortIfStatementsOnASingleLine: false
AllowShortLoopsOnASingleLine: false
AlwaysBreakAfterDefinitionReturnType: None
PenaltyReturnTypeOnItsOwnLine: 255
IndentCaseLabels: true
SpaceBeforeParens: ControlStatements
AlignAfterOpenBracket: AlwaysBreak
BinPackArguments: false
BinPackArguments: false
PointerAlignment: Left
BreakBeforeBraces: Attach
SortIncludes: false
AllowAllArgumentsOnNextLine: false
AllowAllParametersOfDeclarationOnNextLine: false
AlignEscapedNewlines: Left

1
.gitignore vendored
View file

@ -1,2 +1,3 @@
**/*.o
**/o.*
acme

679
acme.c

File diff suppressed because it is too large Load diff

196
addr.c
View file

@ -12,39 +12,27 @@
#include "dat.h"
#include "fns.h"
enum
{
None = 0,
Fore = '+',
Back = '-'
};
enum { None = 0, Fore = '+', Back = '-' };
enum
{
Char,
Line
};
enum { Char, Line };
int
isaddrc(int r)
{
if(r && utfrune("0123456789+-/$.#,;?", r)!=nil)
int isaddrc(int r) {
if (r && utfrune("0123456789+-/$.#,;?", r) != nil)
return TRUE;
return FALSE;
}
/*
* quite hard: could be almost anything but white space, but we are a little conservative,
* aiming for regular expressions of alphanumerics and no white space
* quite hard: could be almost anything but white space, but we are a little
* conservative, aiming for regular expressions of alphanumerics and no white
* space
*/
int
isregexc(int r)
{
if(r == 0)
int isregexc(int r) {
if (r == 0)
return FALSE;
if(isalnum(r))
if (isalnum(r))
return TRUE;
if(utfrune("^+-.*?#,;[]()$", r)!=nil)
if (utfrune("^+-.*?#,;[]()$", r) != nil)
return TRUE;
return FALSE;
}
@ -54,130 +42,125 @@ isregexc(int r)
// and then nr chars, being careful not to walk past
// the end of the current line.
// It returns the final position.
long
nlcounttopos(Text *t, long q0, long nl, long nr)
{
while(nl > 0 && q0 < t->file->b.nc) {
if(textreadc(t, q0++) == '\n')
long nlcounttopos(Text* t, long q0, long nl, long nr) {
while (nl > 0 && q0 < t->file->b.nc) {
if (textreadc(t, q0++) == '\n')
nl--;
}
if(nl > 0)
if (nl > 0)
return q0;
while(nr > 0 && q0 < t->file->b.nc && textreadc(t, q0) != '\n') {
while (nr > 0 && q0 < t->file->b.nc && textreadc(t, q0) != '\n') {
q0++;
nr--;
}
return q0;
}
Range
number(uint showerr, Text *t, Range r, int line, int dir, int size, int *evalp)
{
Range number(
uint showerr, Text* t, Range r, int line, int dir, int size, int* evalp) {
uint q0, q1;
if(size == Char){
if(dir == Fore)
line = r.q1+line;
else if(dir == Back){
if(r.q0==0 && line>0)
if (size == Char) {
if (dir == Fore)
line = r.q1 + line;
else if (dir == Back) {
if (r.q0 == 0 && line > 0)
r.q0 = t->file->b.nc;
line = r.q0 - line;
}
if(line<0 || line>t->file->b.nc)
if (line < 0 || line > t->file->b.nc)
goto Rescue;
*evalp = TRUE;
return range(line, line);
}
q0 = r.q0;
q1 = r.q1;
switch(dir){
switch (dir) {
case None:
q0 = 0;
q1 = 0;
Forward:
while(line>0 && q1<t->file->b.nc)
if(textreadc(t, q1++) == '\n' || q1==t->file->b.nc)
if(--line > 0)
while (line > 0 && q1 < t->file->b.nc)
if (textreadc(t, q1++) == '\n' || q1 == t->file->b.nc)
if (--line > 0)
q0 = q1;
if(line==1 && q1==t->file->b.nc) // 6 goes to end of 5-line file
if (line == 1 && q1 == t->file->b.nc) // 6 goes to end of 5-line file
break;
if(line > 0)
if (line > 0)
goto Rescue;
break;
case Fore:
if(q1 > 0)
while(q1<t->file->b.nc && textreadc(t, q1-1) != '\n')
if (q1 > 0)
while (q1 < t->file->b.nc && textreadc(t, q1 - 1) != '\n')
q1++;
q0 = q1;
goto Forward;
case Back:
if(q0 < t->file->b.nc)
while(q0>0 && textreadc(t, q0-1)!='\n')
if (q0 < t->file->b.nc)
while (q0 > 0 && textreadc(t, q0 - 1) != '\n')
q0--;
q1 = q0;
while(line>0 && q0>0){
if(textreadc(t, q0-1) == '\n'){
if(--line >= 0)
while (line > 0 && q0 > 0) {
if (textreadc(t, q0 - 1) == '\n') {
if (--line >= 0)
q1 = q0;
}
--q0;
}
/* :1-1 is :0 = #0, but :1-2 is an error */
if(line > 1)
if (line > 1)
goto Rescue;
while(q0>0 && textreadc(t, q0-1)!='\n')
while (q0 > 0 && textreadc(t, q0 - 1) != '\n')
--q0;
}
*evalp = TRUE;
return range(q0, q1);
Rescue:
if(showerr)
Rescue:
if (showerr)
warning(nil, "address out of range\n");
*evalp = FALSE;
return r;
}
Range
regexp(uint showerr, Text *t, Range lim, Range r, Rune *pat, int dir, int *foundp)
{
Range regexp(
uint showerr, Text* t, Range lim, Range r, Rune* pat, int dir, int* foundp) {
int found;
Rangeset sel;
int q;
if(pat[0] == '\0' && rxnull()){
if(showerr)
if (pat[0] == '\0' && rxnull()) {
if (showerr)
warning(nil, "no previous regular expression\n");
*foundp = FALSE;
return r;
}
if(pat[0] && rxcompile(pat) == FALSE){
if (pat[0] && rxcompile(pat) == FALSE) {
*foundp = FALSE;
return r;
}
if(dir == Back)
if (dir == Back)
found = rxbexecute(t, r.q0, &sel);
else{
if(lim.q0 < 0)
else {
if (lim.q0 < 0)
q = Infinity;
else
q = lim.q1;
found = rxexecute(t, nil, r.q1, q, &sel);
}
if(!found && showerr)
if (!found && showerr)
warning(nil, "no match for regexp\n");
*foundp = found;
return sel.r[0];
}
Range
address(uint showerr, Text *t, Range lim, Range ar, void *a, uint q0, uint q1, int (*getc)(void*, uint), int *evalp, uint *qp)
{
Range address(
uint showerr, Text* t, Range lim, Range ar, void* a, uint q0, uint q1,
int (*getc)(void*, uint), int* evalp, uint* qp) {
int dir, size, npat;
int prevc, c, nc, n;
uint q;
Rune *pat;
Rune* pat;
Range r, nr;
r = ar;
@ -185,22 +168,22 @@ address(uint showerr, Text *t, Range lim, Range ar, void *a, uint q0, uint q1, i
dir = None;
size = Line;
c = 0;
while(q < q1){
while (q < q1) {
prevc = c;
c = (*getc)(a, q++);
switch(c){
switch (c) {
default:
*qp = q-1;
*qp = q - 1;
return r;
case ';':
ar = r;
/* fall through */
case ',':
if(prevc == 0) /* lhs defaults to 0 */
if (prevc == 0) /* lhs defaults to 0 */
r.q0 = 0;
if(q>=q1 && t!=nil && t->file!=nil) /* rhs defaults to $ */
if (q >= q1 && t != nil && t->file != nil) /* rhs defaults to $ */
r.q1 = t->file->b.nc;
else{
else {
nr = address(showerr, t, lim, ar, a, q, q1, getc, evalp, &q);
r.q1 = nr.q1;
}
@ -208,46 +191,55 @@ address(uint showerr, Text *t, Range lim, Range ar, void *a, uint q0, uint q1, i
return r;
case '+':
case '-':
if(*evalp && (prevc=='+' || prevc=='-'))
if((nc=(*getc)(a, q))!='#' && nc!='/' && nc!='?')
r = number(showerr, t, r, 1, prevc, Line, evalp); /* do previous one */
if (*evalp && (prevc == '+' || prevc == '-'))
if ((nc = (*getc)(a, q)) != '#' && nc != '/' && nc != '?')
r = number(showerr, t, r, 1, prevc, Line, evalp); /* do previous one
*/
dir = c;
break;
case '.':
case '$':
if(q != q0+1){
*qp = q-1;
if (q != q0 + 1) {
*qp = q - 1;
return r;
}
if(*evalp)
if(c == '.')
if (*evalp)
if (c == '.')
r = ar;
else
r = range(t->file->b.nc, t->file->b.nc);
if(q < q1)
if (q < q1)
dir = Fore;
else
dir = None;
break;
case '#':
if(q==q1 || (c=(*getc)(a, q++))<'0' || '9'<c){
*qp = q-1;
if (q == q1 || (c = (*getc)(a, q++)) < '0' || '9' < c) {
*qp = q - 1;
return r;
}
size = Char;
/* fall through */
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
n = c -'0';
while(q<q1){
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
n = c - '0';
while (q < q1) {
nc = (*getc)(a, q++);
if(nc<'0' || '9'<nc){
if (nc < '0' || '9' < nc) {
q--;
break;
}
n = n*10+(nc-'0');
n = n * 10 + (nc - '0');
}
if(*evalp)
if (*evalp)
r = number(showerr, t, r, n, dir, size, evalp);
dir = None;
size = Line;
@ -258,29 +250,29 @@ address(uint showerr, Text *t, Range lim, Range ar, void *a, uint q0, uint q1, i
case '/':
npat = 0;
pat = nil;
while(q<q1){
while (q < q1) {
c = (*getc)(a, q++);
switch(c){
switch (c) {
case '\n':
--q;
goto out;
case '\\':
pat = runerealloc(pat, npat+1);
pat = runerealloc(pat, npat + 1);
pat[npat++] = c;
if(q == q1)
if (q == q1)
goto out;
c = (*getc)(a, q++);
break;
case '/':
goto out;
}
pat = runerealloc(pat, npat+1);
pat = runerealloc(pat, npat + 1);
pat[npat++] = c;
}
out:
pat = runerealloc(pat, npat+1);
pat = runerealloc(pat, npat + 1);
pat[npat] = 0;
if(*evalp)
if (*evalp)
r = regexp(showerr, t, lim, r, pat, dir, evalp);
free(pat);
dir = None;
@ -288,7 +280,7 @@ address(uint showerr, Text *t, Range lim, Range ar, void *a, uint q0, uint q1, i
break;
}
}
if(*evalp && dir != None)
if (*evalp && dir != None)
r = number(showerr, t, r, 1, dir, Line, evalp); /* do previous one */
*qp = q;
return r;

194
buff.c
View file

@ -12,47 +12,37 @@
#include "dat.h"
#include "fns.h"
enum
{
enum {
Slop = 100 /* room to grow with reallocation */
};
static
void
sizecache(Buffer *b, uint n)
{
if(n <= b->cmax)
static void sizecache(Buffer* b, uint n) {
if (n <= b->cmax)
return;
b->cmax = n+Slop;
b->cmax = n + Slop;
b->c = runerealloc(b->c, b->cmax);
}
static
void
addblock(Buffer *b, uint i, uint n)
{
if(i > b->nbl)
static void addblock(Buffer* b, uint i, uint n) {
if (i > b->nbl)
error("internal error: addblock");
b->bl = realloc(b->bl, (b->nbl+1)*sizeof b->bl[0]);
if(i < b->nbl)
memmove(b->bl+i+1, b->bl+i, (b->nbl-i)*sizeof(Block*));
b->bl = realloc(b->bl, (b->nbl + 1) * sizeof b->bl[0]);
if (i < b->nbl)
memmove(b->bl + i + 1, b->bl + i, (b->nbl - i) * sizeof(Block*));
b->bl[i] = disknewblock(disk, n);
b->nbl++;
}
static
void
delblock(Buffer *b, uint i)
{
if(i >= b->nbl)
static void delblock(Buffer* b, uint i) {
if (i >= b->nbl)
error("internal error: delblock");
diskrelease(disk, b->bl[i]);
b->nbl--;
if(i < b->nbl)
memmove(b->bl+i, b->bl+i+1, (b->nbl-i)*sizeof(Block*));
b->bl = realloc(b->bl, b->nbl*sizeof b->bl[0]);
if (i < b->nbl)
memmove(b->bl + i, b->bl + i + 1, (b->nbl - i) * sizeof(Block*));
b->bl = realloc(b->bl, b->nbl * sizeof b->bl[0]);
}
/*
@ -60,12 +50,9 @@ delblock(Buffer *b, uint i)
* If at very end, q0 will fall on end of cache block.
*/
static
void
flush(Buffer *b)
{
if(b->cdirty || b->cnc==0){
if(b->cnc == 0)
static void flush(Buffer* b) {
if (b->cdirty || b->cnc == 0) {
if (b->cnc == 0)
delblock(b, b->cbi);
else
diskwrite(disk, &b->bl[b->cbi], b->c, b->cnc);
@ -73,40 +60,37 @@ flush(Buffer *b)
}
}
static
void
setcache(Buffer *b, uint q0)
{
static void setcache(Buffer* b, uint q0) {
Block **blp, *bl;
uint i, q;
if(q0 > b->nc)
if (q0 > b->nc)
error("internal error: setcache");
/*
* flush and reload if q0 is not in cache.
*/
if(b->nc == 0 || (b->cq<=q0 && q0<b->cq+b->cnc))
if (b->nc == 0 || (b->cq <= q0 && q0 < b->cq + b->cnc))
return;
/*
* if q0 is at end of file and end of cache, continue to grow this block
*/
if(q0==b->nc && q0==b->cq+b->cnc && b->cnc<Maxblock)
if (q0 == b->nc && q0 == b->cq + b->cnc && b->cnc < Maxblock)
return;
flush(b);
/* find block */
if(q0 < b->cq){
if (q0 < b->cq) {
q = 0;
i = 0;
}else{
} else {
q = b->cq;
i = b->cbi;
}
blp = &b->bl[i];
while(q+(*blp)->u.n <= q0 && q+(*blp)->u.n < b->nc){
while (q + (*blp)->u.n <= q0 && q + (*blp)->u.n < b->nc) {
q += (*blp)->u.n;
i++;
blp++;
if(i >= b->nbl)
if (i >= b->nbl)
error("block not found");
}
bl = *blp;
@ -119,30 +103,28 @@ setcache(Buffer *b, uint q0)
diskread(disk, bl, b->c, b->cnc);
}
void
bufinsert(Buffer *b, uint q0, Rune *s, uint n)
{
void bufinsert(Buffer* b, uint q0, Rune* s, uint n) {
uint i, m, t, off;
if(q0 > b->nc)
if (q0 > b->nc)
error("internal error: bufinsert");
while(n > 0){
while (n > 0) {
setcache(b, q0);
off = q0-b->cq;
if(b->cnc+n <= Maxblock){
off = q0 - b->cq;
if (b->cnc + n <= Maxblock) {
/* Everything fits in one block. */
t = b->cnc+n;
t = b->cnc + n;
m = n;
if(b->bl == nil){ /* allocate */
if(b->cnc != 0)
if (b->bl == nil) { /* allocate */
if (b->cnc != 0)
error("internal error: bufinsert1 cnc!=0");
addblock(b, 0, t);
b->cbi = 0;
}
sizecache(b, t);
runemove(b->c+off+m, b->c+off, b->cnc-off);
runemove(b->c+off, s, m);
runemove(b->c + off + m, b->c + off, b->cnc - off);
runemove(b->c + off, s, m);
b->cnc = t;
goto Tail;
}
@ -151,17 +133,17 @@ bufinsert(Buffer *b, uint q0, Rune *s, uint n)
* the very beginning or end of this block,
* just make a new block and fill it.
*/
if(q0==b->cq || q0==b->cq+b->cnc){
if(b->cdirty)
if (q0 == b->cq || q0 == b->cq + b->cnc) {
if (b->cdirty)
flush(b);
m = min(n, Maxblock);
if(b->bl == nil){ /* allocate */
if(b->cnc != 0)
if (b->bl == nil) { /* allocate */
if (b->cnc != 0)
error("internal error: bufinsert2 cnc!=0");
i = 0;
}else{
} else {
i = b->cbi;
if(q0 > b->cq)
if (q0 > b->cq)
i++;
}
addblock(b, i, m);
@ -176,20 +158,20 @@ bufinsert(Buffer *b, uint q0, Rune *s, uint n)
* Split the block; cut off the right side and
* let go of it.
*/
m = b->cnc-off;
if(m > 0){
i = b->cbi+1;
m = b->cnc - off;
if (m > 0) {
i = b->cbi + 1;
addblock(b, i, m);
diskwrite(disk, &b->bl[i], b->c+off, m);
diskwrite(disk, &b->bl[i], b->c + off, m);
b->cnc -= m;
}
/*
* Now at end of block. Take as much input
* as possible and tack it on end of block.
*/
m = min(n, Maxblock-b->cnc);
sizecache(b, b->cnc+m);
runemove(b->c+b->cnc, s, m);
m = min(n, Maxblock - b->cnc);
sizecache(b, b->cnc + m);
runemove(b->c + b->cnc, s, m);
b->cnc += m;
Tail:
b->nc += m;
@ -200,23 +182,21 @@ bufinsert(Buffer *b, uint q0, Rune *s, uint n)
}
}
void
bufdelete(Buffer *b, uint q0, uint q1)
{
void bufdelete(Buffer* b, uint q0, uint q1) {
uint m, n, off;
if(!(q0<=q1 && q0<=b->nc && q1<=b->nc))
if (!(q0 <= q1 && q0 <= b->nc && q1 <= b->nc))
error("internal error: bufdelete");
while(q1 > q0){
while (q1 > q0) {
setcache(b, q0);
off = q0-b->cq;
if(q1 > b->cq+b->cnc)
off = q0 - b->cq;
if (q1 > b->cq + b->cnc)
n = b->cnc - off;
else
n = q1-q0;
m = b->cnc - (off+n);
if(m > 0)
runemove(b->c+off, b->c+off+n, m);
n = q1 - q0;
m = b->cnc - (off + n);
if (m > 0)
runemove(b->c + off, b->c + off + n, m);
b->cnc -= n;
b->cdirty = TRUE;
q1 -= n;
@ -224,22 +204,20 @@ bufdelete(Buffer *b, uint q0, uint q1)
}
}
static int
bufloader(void *v, uint q0, Rune *r, int nr)
{
static int bufloader(void* v, uint q0, Rune* r, int nr) {
bufinsert(v, q0, r, nr);
return nr;
}
uint
loadfile(int fd, uint q0, int *nulls, int(*f)(void*, uint, Rune*, int), void *arg, DigestState *h)
{
char *p;
Rune *r;
uint loadfile(
int fd, uint q0, int* nulls, int (*f)(void*, uint, Rune*, int), void* arg,
DigestState* h) {
char* p;
Rune* r;
int l, m, n, nb, nr;
uint q1;
p = emalloc((Maxblock+UTFmax+1)*sizeof p[0]);
p = emalloc((Maxblock + UTFmax + 1) * sizeof p[0]);
r = runemalloc(Maxblock);
m = 0;
n = 1;
@ -248,58 +226,52 @@ loadfile(int fd, uint q0, int *nulls, int(*f)(void*, uint, Rune*, int), void *ar
* At top of loop, may have m bytes left over from
* last pass, possibly representing a partial rune.
*/
while(n > 0){
n = read(fd, p+m, Maxblock);
if(n < 0){
while (n > 0) {
n = read(fd, p + m, Maxblock);
if (n < 0) {
warning(nil, "read error in Buffer.load");
break;
}
if(h != nil)
sha1((uchar*)p+m, n, nil, h);
if (h != nil)
sha1((uchar*)p + m, n, nil, h);
m += n;
p[m] = 0;
l = m;
if(n > 0)
if (n > 0)
l -= UTFmax;
cvttorunes(p, l, r, &nb, &nr, nulls);
memmove(p, p+nb, m-nb);
memmove(p, p + nb, m - nb);
m -= nb;
q1 += (*f)(arg, q1, r, nr);
}
free(p);
free(r);
return q1-q0;
return q1 - q0;
}
uint
bufload(Buffer *b, uint q0, int fd, int *nulls, DigestState *h)
{
if(q0 > b->nc)
uint bufload(Buffer* b, uint q0, int fd, int* nulls, DigestState* h) {
if (q0 > b->nc)
error("internal error: bufload");
return loadfile(fd, q0, nulls, bufloader, b, h);
}
void
bufread(Buffer *b, uint q0, Rune *s, uint n)
{
void bufread(Buffer* b, uint q0, Rune* s, uint n) {
uint m;
if(!(q0<=b->nc && q0+n<=b->nc))
if (!(q0 <= b->nc && q0 + n <= b->nc))
error("bufread: internal error");
while(n > 0){
while (n > 0) {
setcache(b, q0);
m = min(n, b->cnc-(q0-b->cq));
runemove(s, b->c+(q0-b->cq), m);
m = min(n, b->cnc - (q0 - b->cq));
runemove(s, b->c + (q0 - b->cq), m);
q0 += m;
s += m;
n -= m;
}
}
void
bufreset(Buffer *b)
{
void bufreset(Buffer* b) {
int i;
b->nc = 0;
@ -308,13 +280,11 @@ bufreset(Buffer *b)
b->cdirty = 0;
b->cbi = 0;
/* delete backwards to avoid n² behavior */
for(i=b->nbl-1; --i>=0; )
for (i = b->nbl - 1; --i >= 0;)
delblock(b, i);
}
void
bufclose(Buffer *b)
{
void bufclose(Buffer* b) {
bufreset(b);
free(b->c);
b->c = nil;

8
build.sh Executable file
View file

@ -0,0 +1,8 @@
#!/bin/sh
clang-format -i ./*.c
clang-format -i ./mail/*.c
mk
mv o.acme acme

433
cols.c
View file

@ -12,24 +12,21 @@
#include "dat.h"
#include "fns.h"
static Rune Lheader[] = {
'N', 'e', 'w', ' ',
'C', 'u', 't', ' ',
'P', 'a', 's', 't', 'e', ' ',
'S', 'n', 'a', 'r', 'f', ' ',
'S', 'o', 'r', 't', ' ',
'Z', 'e', 'r', 'o', 'x', ' ',
'D', 'e', 'l', 'c', 'o', 'l', ' ',
0
};
static Rune Lheader[] = {'N', 'e', 'w', ' ', 'C', 'u', 't', ' ', 'P', 'a',
's', 't', 'e', ' ', 'S', 'n', 'a', 'r', 'f', ' ',
'S', 'o', 'r', 't', ' ', 'Z', 'e', 'r', 'o', 'x',
' ', 'D', 'e', 'l', 'c', 'o', 'l', ' ', 0};
void
colinit(Column *c, Rectangle r)
{
void colinit(Column* c, Rectangle r) {
Rectangle r1;
Text *t;
Text* t;
draw(screen, r, allocimage(display,Rect(0,0,1,1), screen->chan, 1, 0x222222FF), nil, ZP);
draw(
screen,
r,
allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x222222FF),
nil,
ZP);
c->r = r;
c->w = nil;
c->nw = 0;
@ -42,44 +39,47 @@ colinit(Column *c, Rectangle r)
t->what = Columntag;
r1.min.y = r1.max.y;
r1.max.y += Border;
draw(screen, r1, allocimage(display, Rect(0,0,1,1), screen->chan, 1, 0x222222FF), nil, ZP);
draw(
screen,
r1,
allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x222222FF),
nil,
ZP);
textinsert(t, 0, Lheader, 38, TRUE);
textsetselect(t, t->file->b.nc, t->file->b.nc);
draw(screen, t->scrollr, colbutton, nil, colbutton->r.min);
c->safe = TRUE;
}
Window*
coladd(Column *c, Window *w, Window *clone, int y)
{
Window* coladd(Column* c, Window* w, Window* clone, int y) {
Rectangle r, r1;
Window *v;
Window* v;
int i, j, minht, ymax, buggered;
v = nil;
r = c->r;
r.min.y = c->tag.fr.r.max.y+Border;
if(y<r.min.y && c->nw>0){ /* steal half of last window by default */
v = c->w[c->nw-1];
y = v->body.fr.r.min.y+Dy(v->body.fr.r)/2;
r.min.y = c->tag.fr.r.max.y + Border;
if (y < r.min.y && c->nw > 0) { /* steal half of last window by default */
v = c->w[c->nw - 1];
y = v->body.fr.r.min.y + Dy(v->body.fr.r) / 2;
}
/* look for window we'll land on */
for(i=0; i<c->nw; i++){
for (i = 0; i < c->nw; i++) {
v = c->w[i];
if(y < v->r.max.y)
if (y < v->r.max.y)
break;
}
buggered = 0;
if(c->nw > 0){
if(i < c->nw)
if (c->nw > 0) {
if (i < c->nw)
i++; /* new window will go after v */
/*
* if landing window (v) is too small, grow it first.
*/
minht = v->tag.fr.font->height+Border+1;
minht = v->tag.fr.font->height + Border + 1;
j = 0;
while(!c->safe || v->body.fr.maxlines<=3 || Dy(v->body.all) <= minht){
if(++j > 10){
while (!c->safe || v->body.fr.maxlines <= 3 || Dy(v->body.all) <= minht) {
if (++j > 10) {
buggered = 1; /* too many windows in column */
break;
}
@ -91,19 +91,19 @@ coladd(Column *c, Window *w, Window *clone, int y)
*/
/* new window stops where next window begins */
if(i < c->nw)
ymax = c->w[i]->r.min.y-Border;
if (i < c->nw)
ymax = c->w[i]->r.min.y - Border;
else
ymax = c->r.max.y;
/* new window must start after v's tag ends */
y = max(y, v->tagtop.max.y+Border);
y = max(y, v->tagtop.max.y + Border);
/* new window must start early enough to end before ymax */
y = min(y, ymax - minht);
/* if y is too small, too many windows in column */
if(y < v->tagtop.max.y+Border)
if (y < v->tagtop.max.y + Border)
buggered = 1;
/*
@ -113,23 +113,32 @@ coladd(Column *c, Window *w, Window *clone, int y)
r.max.y = ymax;
draw(screen, r, textcols[BACK], nil, ZP);
r1 = r;
y = min(y, ymax-(v->tag.fr.font->height*v->taglines+v->body.fr.font->height+Border+1));
r1.max.y = min(y, v->body.fr.r.min.y+v->body.fr.nlines*v->body.fr.font->height);
y = min(
y,
ymax - (v->tag.fr.font->height * v->taglines + v->body.fr.font->height +
Border + 1));
r1.max.y =
min(y, v->body.fr.r.min.y + v->body.fr.nlines * v->body.fr.font->height);
r1.min.y = winresize(v, r1, FALSE, FALSE);
r1.max.y = r1.min.y+Border;
draw(screen, r1, allocimage(display, Rect(0,0,1,1), screen->chan, 1, 0x222222FF), nil, ZP);
r1.max.y = r1.min.y + Border;
draw(
screen,
r1,
allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x222222FF),
nil,
ZP);
/*
* leave r with w's coordinates
*/
r.min.y = r1.max.y;
}
if(w == nil){
if (w == nil) {
w = emalloc(sizeof(Window));
w->col = c;
draw(screen, r, textcols[BACK], nil, ZP);
wininit(w, clone, r);
}else{
} else {
w->col = c;
winresize(w, r, FALSE, TRUE);
}
@ -137,14 +146,14 @@ coladd(Column *c, Window *w, Window *clone, int y)
w->tag.row = c->row;
w->body.col = c;
w->body.row = c->row;
c->w = realloc(c->w, (c->nw+1)*sizeof(Window*));
memmove(c->w+i+1, c->w+i, (c->nw-i)*sizeof(Window*));
c->w = realloc(c->w, (c->nw + 1) * sizeof(Window*));
memmove(c->w + i + 1, c->w + i, (c->nw - i) * sizeof(Window*));
c->nw++;
c->w[i] = w;
c->safe = TRUE;
/* if there were too many windows, redraw the whole column */
if(buggered)
if (buggered)
colresize(c, c->r);
savemouse(w);
@ -154,66 +163,67 @@ coladd(Column *c, Window *w, Window *clone, int y)
return w;
}
void
colclose(Column *c, Window *w, int dofree)
{
void colclose(Column* c, Window* w, int dofree) {
Rectangle r;
int i, didmouse, up;
/* w is locked */
if(!c->safe)
if (!c->safe)
colgrow(c, w, 1);
for(i=0; i<c->nw; i++)
if(c->w[i] == w)
for (i = 0; i < c->nw; i++)
if (c->w[i] == w)
goto Found;
error("can't find window");
Found:
Found:
r = w->r;
w->tag.col = nil;
w->body.col = nil;
w->col = nil;
didmouse = restoremouse(w);
if(dofree){
if (dofree) {
windelete(w);
winclose(w);
}
c->nw--;
memmove(c->w+i, c->w+i+1, (c->nw-i)*sizeof(Window*));
c->w = realloc(c->w, c->nw*sizeof(Window*));
if(c->nw == 0){
draw(screen, r, allocimage(display, Rect(0,0,1,1), screen->chan, 1, 0x222222FF), nil, ZP);
memmove(c->w + i, c->w + i + 1, (c->nw - i) * sizeof(Window*));
c->w = realloc(c->w, c->nw * sizeof(Window*));
if (c->nw == 0) {
draw(
screen,
r,
allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x222222FF),
nil,
ZP);
return;
}
up = 0;
if(i == c->nw){ /* extend last window down */
w = c->w[i-1];
if (i == c->nw) { /* extend last window down */
w = c->w[i - 1];
r.min.y = w->r.min.y;
r.max.y = c->r.max.y;
}else{ /* extend next window up */
} else { /* extend next window up */
up = 1;
w = c->w[i];
r.max.y = w->r.max.y;
}
draw(screen, r, textcols[BACK], nil, ZP);
if(c->safe) {
if(!didmouse && up)
if (c->safe) {
if (!didmouse && up)
w->showdel = TRUE;
winresize(w, r, FALSE, TRUE);
if(!didmouse && up)
if (!didmouse && up)
movetodel(w);
}
}
void
colcloseall(Column *c)
{
void colcloseall(Column* c) {
int i;
Window *w;
Window* w;
if(c == activecol)
if (c == activecol)
activecol = nil;
textclose(&c->tag);
for(i=0; i<c->nw; i++){
for (i = 0; i < c->nw; i++) {
w = c->w[i];
winclose(w);
}
@ -223,18 +233,14 @@ colcloseall(Column *c)
clearmouse();
}
void
colmousebut(Column *c)
{
void colmousebut(Column* c) {
moveto(mousectl, divpt(addpt(c->tag.scrollr.min, c->tag.scrollr.max), 2));
}
void
colresize(Column *c, Rectangle r)
{
void colresize(Column* c, Rectangle r) {
int i;
Rectangle r1, r2;
Window *w;
Window* w;
clearmouse();
r1 = r;
@ -243,33 +249,40 @@ colresize(Column *c, Rectangle r)
draw(screen, c->tag.scrollr, colbutton, nil, colbutton->r.min);
r1.min.y = r1.max.y;
r1.max.y += Border;
draw(screen, r1, allocimage(display, Rect(0,0,1,1), screen->chan, 1, 0x222222FF), nil, ZP);
draw(
screen,
r1,
allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x222222FF),
nil,
ZP);
r1.max.y = r.max.y;
for(i=0; i<c->nw; i++){
for (i = 0; i < c->nw; i++) {
w = c->w[i];
w->maxlines = 0;
if(i == c->nw-1)
if (i == c->nw - 1)
r1.max.y = r.max.y;
else{
else {
r1.max.y = r1.min.y;
if(Dy(c->r) != 0){
r1.max.y += (Dy(w->r)+Border)*Dy(r)/Dy(c->r);
if (Dy(c->r) != 0) {
r1.max.y += (Dy(w->r) + Border) * Dy(r) / Dy(c->r);
}
}
r1.max.y = max(r1.max.y, r1.min.y + Border+font->height);
r1.max.y = max(r1.max.y, r1.min.y + Border + font->height);
r2 = r1;
r2.max.y = r2.min.y+Border;
draw(screen, r2, allocimage(display, Rect(0,0,1,1), screen->chan, 1, 0x222222FF), nil, ZP);
r2.max.y = r2.min.y + Border;
draw(
screen,
r2,
allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x222222FF),
nil,
ZP);
r1.min.y = r2.max.y;
r1.min.y = winresize(w, r1, FALSE, i==c->nw-1);
r1.min.y = winresize(w, r1, FALSE, i == c->nw - 1);
}
c->r = r;
}
static
int
colcmp(const void *a, const void *b)
{
static int colcmp(const void* a, const void* b) {
Rune *r1, *r2;
int i, nr1, nr2;
@ -277,86 +290,87 @@ colcmp(const void *a, const void *b)
nr1 = (*(Window**)a)->body.file->nname;
r2 = (*(Window**)b)->body.file->name;
nr2 = (*(Window**)b)->body.file->nname;
for(i=0; i<nr1 && i<nr2; i++){
if(*r1 != *r2)
return *r1-*r2;
for (i = 0; i < nr1 && i < nr2; i++) {
if (*r1 != *r2)
return *r1 - *r2;
r1++;
r2++;
}
return nr1-nr2;
return nr1 - nr2;
}
void
colsort(Column *c)
{
void colsort(Column* c) {
int i, y;
Rectangle r, r1, *rp;
Window **wp, *w;
if(c->nw == 0)
if (c->nw == 0)
return;
clearmouse();
rp = emalloc(c->nw*sizeof(Rectangle));
wp = emalloc(c->nw*sizeof(Window*));
memmove(wp, c->w, c->nw*sizeof(Window*));
rp = emalloc(c->nw * sizeof(Rectangle));
wp = emalloc(c->nw * sizeof(Window*));
memmove(wp, c->w, c->nw * sizeof(Window*));
qsort(wp, c->nw, sizeof(Window*), colcmp);
for(i=0; i<c->nw; i++)
for (i = 0; i < c->nw; i++)
rp[i] = wp[i]->r;
r = c->r;
r.min.y = c->tag.fr.r.max.y;
draw(screen, r, textcols[BACK], nil, ZP);
y = r.min.y;
for(i=0; i<c->nw; i++){
for (i = 0; i < c->nw; i++) {
w = wp[i];
r.min.y = y;
if(i == c->nw-1)
if (i == c->nw - 1)
r.max.y = c->r.max.y;
else
r.max.y = r.min.y+Dy(w->r)+Border;
r.max.y = r.min.y + Dy(w->r) + Border;
r1 = r;
r1.max.y = r1.min.y+Border;
draw(screen, r1, allocimage(display, Rect(0,0,1,1), screen->chan, 1, 0x222222FF), nil, ZP);
r1.max.y = r1.min.y + Border;
draw(
screen,
r1,
allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x222222FF),
nil,
ZP);
r.min.y = r1.max.y;
y = winresize(w, r, FALSE, i==c->nw-1);
y = winresize(w, r, FALSE, i == c->nw - 1);
}
free(rp);
free(c->w);
c->w = wp;
}
void
colgrow(Column *c, Window *w, int but)
{
void colgrow(Column* c, Window* w, int but) {
Rectangle r, cr;
int i, j, k, l, y1, y2, *nl, *ny, tot, nnl, onl, dnl, h;
Window *v;
Window* v;
for(i=0; i<c->nw; i++)
if(c->w[i] == w)
for (i = 0; i < c->nw; i++)
if (c->w[i] == w)
goto Found;
error("can't find window");
Found:
Found:
cr = c->r;
if(but < 0){ /* make sure window fills its own space properly */
if (but < 0) { /* make sure window fills its own space properly */
r = w->r;
if(i==c->nw-1 || c->safe==FALSE)
if (i == c->nw - 1 || c->safe == FALSE)
r.max.y = cr.max.y;
else
r.max.y = c->w[i+1]->r.min.y - Border;
r.max.y = c->w[i + 1]->r.min.y - Border;
winresize(w, r, FALSE, TRUE);
return;
}
cr.min.y = c->w[0]->r.min.y;
if(but == 3){ /* full size */
if(i != 0){
if (but == 3) { /* full size */
if (i != 0) {
v = c->w[0];
c->w[0] = w;
c->w[i] = v;
}
draw(screen, cr, textcols[BACK], nil, ZP);
winresize(w, cr, FALSE, TRUE);
for(i=1; i<c->nw; i++)
for (i = 1; i < c->nw; i++)
c->w[i]->body.fr.maxlines = 0;
c->safe = FALSE;
return;
@ -366,64 +380,69 @@ colgrow(Column *c, Window *w, int but)
nl = emalloc(c->nw * sizeof(int));
ny = emalloc(c->nw * sizeof(int));
tot = 0;
for(j=0; j<c->nw; j++){
l = c->w[j]->taglines-1 + c->w[j]->body.fr.maxlines;
for (j = 0; j < c->nw; j++) {
l = c->w[j]->taglines - 1 + c->w[j]->body.fr.maxlines;
nl[j] = l;
tot += l;
}
/* approximate new #lines for this window */
if(but == 2){ /* as big as can be */
if (but == 2) { /* as big as can be */
memset(nl, 0, c->nw * sizeof(int));
goto Pack;
}
nnl = min(onl + max(min(5, w->taglines-1+w->maxlines), onl/2), tot);
if(nnl < w->taglines-1+w->maxlines)
nnl = (w->taglines-1+w->maxlines + nnl)/2;
if(nnl == 0)
nnl = min(onl + max(min(5, w->taglines - 1 + w->maxlines), onl / 2), tot);
if (nnl < w->taglines - 1 + w->maxlines)
nnl = (w->taglines - 1 + w->maxlines + nnl) / 2;
if (nnl == 0)
nnl = 2;
dnl = nnl - onl;
/* compute new #lines for each window */
for(k=1; k<c->nw; k++){
for (k = 1; k < c->nw; k++) {
/* prune from later window */
j = i+k;
if(j<c->nw && nl[j]){
l = min(dnl, max(1, nl[j]/2));
j = i + k;
if (j < c->nw && nl[j]) {
l = min(dnl, max(1, nl[j] / 2));
nl[j] -= l;
nl[i] += l;
dnl -= l;
}
/* prune from earlier window */
j = i-k;
if(j>=0 && nl[j]){
l = min(dnl, max(1, nl[j]/2));
j = i - k;
if (j >= 0 && nl[j]) {
l = min(dnl, max(1, nl[j] / 2));
nl[j] -= l;
nl[i] += l;
dnl -= l;
}
}
Pack:
Pack:
/* pack everyone above */
y1 = cr.min.y;
for(j=0; j<i; j++){
for (j = 0; j < i; j++) {
v = c->w[j];
r = v->r;
r.min.y = y1;
r.max.y = y1+Dy(v->tagtop);
if(nl[j])
r.max.y += 1 + nl[j]*v->body.fr.font->height;
r.max.y = y1 + Dy(v->tagtop);
if (nl[j])
r.max.y += 1 + nl[j] * v->body.fr.font->height;
r.min.y = winresize(v, r, c->safe, FALSE);
r.max.y += Border;
draw(screen, r, allocimage(display, Rect(0,0,1,1), screen->chan, 1, 0x222222FF), nil, ZP);
draw(
screen,
r,
allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x222222FF),
nil,
ZP);
y1 = r.max.y;
}
/* scan to see new size of everyone below */
y2 = c->r.max.y;
for(j=c->nw-1; j>i; j--){
for (j = c->nw - 1; j > i; j--) {
v = c->w[j];
r = v->r;
r.min.y = y2-Dy(v->tagtop);
if(nl[j])
r.min.y -= 1 + nl[j]*v->body.fr.font->height;
r.min.y = y2 - Dy(v->tagtop);
if (nl[j])
r.min.y -= 1 + nl[j] * v->body.fr.font->height;
r.min.y -= Border;
ny[j] = r.min.y;
y2 = r.min.y;
@ -433,31 +452,41 @@ colgrow(Column *c, Window *w, int but)
r.min.y = y1;
r.max.y = y2;
h = w->body.fr.font->height;
if(Dy(r) < Dy(w->tagtop)+1+h+Border)
r.max.y = r.min.y + Dy(w->tagtop)+1+h+Border;
if (Dy(r) < Dy(w->tagtop) + 1 + h + Border)
r.max.y = r.min.y + Dy(w->tagtop) + 1 + h + Border;
/* draw window */
r.max.y = winresize(w, r, c->safe, TRUE);
if(i < c->nw-1){
if (i < c->nw - 1) {
r.min.y = r.max.y;
r.max.y += Border;
draw(screen, r, allocimage(display, Rect(0,0,1,1), screen->chan, 1, 0x222222FF), nil, ZP);
for(j=i+1; j<c->nw; j++)
ny[j] -= (y2-r.max.y);
draw(
screen,
r,
allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x222222FF),
nil,
ZP);
for (j = i + 1; j < c->nw; j++)
ny[j] -= (y2 - r.max.y);
}
/* pack everyone below */
y1 = r.max.y;
for(j=i+1; j<c->nw; j++){
for (j = i + 1; j < c->nw; j++) {
v = c->w[j];
r = v->r;
r.min.y = y1;
r.max.y = y1+Dy(v->tagtop);
if(nl[j])
r.max.y += 1 + nl[j]*v->body.fr.font->height;
y1 = winresize(v, r, c->safe, j==c->nw-1);
if(j < c->nw-1){ /* no border on last window */
r.max.y = y1 + Dy(v->tagtop);
if (nl[j])
r.max.y += 1 + nl[j] * v->body.fr.font->height;
y1 = winresize(v, r, c->safe, j == c->nw - 1);
if (j < c->nw - 1) { /* no border on last window */
r.min.y = y1;
r.max.y += Border;
draw(screen, r, allocimage(display, Rect(0,0,1,1), screen->chan, 1, 0x222222FF), nil, ZP);
draw(
screen,
r,
allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x222222FF),
nil,
ZP);
y1 = r.max.y;
}
}
@ -467,106 +496,108 @@ colgrow(Column *c, Window *w, int but)
winmousebut(w);
}
void
coldragwin(Column *c, Window *w, int but)
{
void coldragwin(Column* c, Window* w, int but) {
Rectangle r;
int i, b;
Point p, op;
Window *v;
Column *nc;
Window* v;
Column* nc;
clearmouse();
setcursor2(mousectl, &boxcursor, &boxcursor2);
b = mouse->buttons;
op = mouse->xy;
while(mouse->buttons == b)
while (mouse->buttons == b)
readmouse(mousectl);
setcursor(mousectl, nil);
if(mouse->buttons){
while(mouse->buttons)
if (mouse->buttons) {
while (mouse->buttons)
readmouse(mousectl);
return;
}
for(i=0; i<c->nw; i++)
if(c->w[i] == w)
for (i = 0; i < c->nw; i++)
if (c->w[i] == w)
goto Found;
error("can't find window");
Found:
if(w->tagexpand) /* force recomputation of window tag size */
Found:
if (w->tagexpand) /* force recomputation of window tag size */
w->taglines = 1;
p = mouse->xy;
if(abs(p.x-op.x)<5 && abs(p.y-op.y)<5){
if (abs(p.x - op.x) < 5 && abs(p.y - op.y) < 5) {
colgrow(c, w, but);
winmousebut(w);
return;
}
/* is it a flick to the right? */
if(abs(p.y-op.y)<10 && p.x>op.x+30 && rowwhichcol(c->row, p)==c)
p.x = op.x+Dx(w->r); /* yes: toss to next column */
if (abs(p.y - op.y) < 10 && p.x > op.x + 30 && rowwhichcol(c->row, p) == c)
p.x = op.x + Dx(w->r); /* yes: toss to next column */
nc = rowwhichcol(c->row, p);
if(nc!=nil && nc!=c){
if (nc != nil && nc != c) {
colclose(c, w, FALSE);
coladd(nc, w, nil, p.y);
winmousebut(w);
return;
}
if(i==0 && c->nw==1)
if (i == 0 && c->nw == 1)
return; /* can't do it */
if((i>0 && p.y<c->w[i-1]->r.min.y) || (i<c->nw-1 && p.y>w->r.max.y)
|| (i==0 && p.y>w->r.max.y)){
if (
(i > 0 && p.y < c->w[i - 1]->r.min.y) ||
(i < c->nw - 1 && p.y > w->r.max.y) || (i == 0 && p.y > w->r.max.y)) {
/* shuffle */
colclose(c, w, FALSE);
coladd(c, w, nil, p.y);
winmousebut(w);
return;
}
if(i == 0)
if (i == 0)
return;
v = c->w[i-1];
if(p.y < v->tagtop.max.y)
v = c->w[i - 1];
if (p.y < v->tagtop.max.y)
p.y = v->tagtop.max.y;
if(p.y > w->r.max.y-Dy(w->tagtop)-Border)
p.y = w->r.max.y-Dy(w->tagtop)-Border;
if (p.y > w->r.max.y - Dy(w->tagtop) - Border)
p.y = w->r.max.y - Dy(w->tagtop) - Border;
r = v->r;
r.max.y = p.y;
if(r.max.y > v->body.fr.r.min.y){
r.max.y -= (r.max.y-v->body.fr.r.min.y)%v->body.fr.font->height;
if(v->body.fr.r.min.y == v->body.fr.r.max.y)
if (r.max.y > v->body.fr.r.min.y) {
r.max.y -= (r.max.y - v->body.fr.r.min.y) % v->body.fr.font->height;
if (v->body.fr.r.min.y == v->body.fr.r.max.y)
r.max.y++;
}
r.min.y = winresize(v, r, c->safe, FALSE);
r.max.y = r.min.y+Border;
draw(screen, r, allocimage(display, Rect(0,0,1,1), screen->chan, 1, 0x222222FF), nil, ZP);
r.max.y = r.min.y + Border;
draw(
screen,
r,
allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, 0x222222FF),
nil,
ZP);
r.min.y = r.max.y;
if(i == c->nw-1)
if (i == c->nw - 1)
r.max.y = c->r.max.y;
else
r.max.y = c->w[i+1]->r.min.y-Border;
r.max.y = c->w[i + 1]->r.min.y - Border;
winresize(w, r, c->safe, TRUE);
c->safe = TRUE;
winmousebut(w);
}
Text*
colwhich(Column *c, Point p)
{
Text* colwhich(Column* c, Point p) {
int i;
Window *w;
Window* w;
if(!ptinrect(p, c->r))
if (!ptinrect(p, c->r))
return nil;
if(ptinrect(p, c->tag.all))
if (ptinrect(p, c->tag.all))
return &c->tag;
for(i=0; i<c->nw; i++){
for (i = 0; i < c->nw; i++) {
w = c->w[i];
if(ptinrect(p, w->r)){
if(ptinrect(p, w->tagtop) || ptinrect(p, w->tag.all))
if (ptinrect(p, w->r)) {
if (ptinrect(p, w->tagtop) || ptinrect(p, w->tag.all))
return &w->tag;
/* exclude partial line at bottom */
if(p.x >= w->body.scrollr.max.x && p.y >= w->body.fr.r.max.y)
if (p.x >= w->body.scrollr.max.x && p.y >= w->body.fr.r.max.y)
return nil;
return &w->body;
}
@ -574,13 +605,11 @@ colwhich(Column *c, Point p)
return nil;
}
int
colclean(Column *c)
{
int colclean(Column* c) {
int i, clean;
clean = TRUE;
for(i=0; i<c->nw; i++)
for (i = 0; i < c->nw; i++)
clean &= winclean(c->w[i], TRUE);
return clean;
}

79
disk.c
View file

@ -12,78 +12,69 @@
#include "dat.h"
#include "fns.h"
static Block *blist;
static Block* blist;
int
tempfile(void)
{
int tempfile(void) {
char buf[128];
int i, fd;
snprint(buf, sizeof buf, "/tmp/X%d.%.4sacme", getpid(), getuser());
for(i='A'; i<='Z'; i++){
for (i = 'A'; i <= 'Z'; i++) {
buf[5] = i;
if(access(buf, AEXIST) == 0)
if (access(buf, AEXIST) == 0)
continue;
fd = create(buf, ORDWR|ORCLOSE|OCEXEC, 0600);
if(fd >= 0)
fd = create(buf, ORDWR | ORCLOSE | OCEXEC, 0600);
if (fd >= 0)
return fd;
}
return -1;
}
Disk*
diskinit()
{
Disk *d;
Disk* diskinit() {
Disk* d;
d = emalloc(sizeof(Disk));
d->fd = tempfile();
if(d->fd < 0){
if (d->fd < 0) {
fprint(2, "acme: can't create temp file: %r\n");
threadexitsall("diskinit");
}
return d;
}
static
uint
ntosize(uint n, uint *ip)
{
static uint ntosize(uint n, uint* ip) {
uint size;
if(n > Maxblock)
if (n > Maxblock)
error("internal error: ntosize");
size = n;
if(size & (Blockincr-1))
size += Blockincr - (size & (Blockincr-1));
if (size & (Blockincr - 1))
size += Blockincr - (size & (Blockincr - 1));
/* last bucket holds blocks of exactly Maxblock */
if(ip)
*ip = size/Blockincr;
if (ip)
*ip = size / Blockincr;
return size * sizeof(Rune);
}
Block*
disknewblock(Disk *d, uint n)
{
Block* disknewblock(Disk* d, uint n) {
uint i, j, size;
Block *b;
Block* b;
size = ntosize(n, &i);
b = d->free[i];
if(b)
if (b)
d->free[i] = b->u.next;
else{
else {
/* allocate in chunks to reduce malloc overhead */
if(blist == nil){
blist = emalloc(100*sizeof(Block));
for(j=0; j<100-1; j++)
blist[j].u.next = &blist[j+1];
if (blist == nil) {
blist = emalloc(100 * sizeof(Block));
for (j = 0; j < 100 - 1; j++)
blist[j].u.next = &blist[j + 1];
}
b = blist;
blist = b->u.next;
b->addr = d->addr;
if(d->addr+size < d->addr){
if (d->addr + size < d->addr) {
error("temp file overflow");
}
d->addr += size;
@ -92,9 +83,7 @@ disknewblock(Disk *d, uint n)
return b;
}
void
diskrelease(Disk *d, Block *b)
{
void diskrelease(Disk* d, Block* b) {
uint i;
ntosize(b->u.n, &i);
@ -102,32 +91,28 @@ diskrelease(Disk *d, Block *b)
d->free[i] = b;
}
void
diskwrite(Disk *d, Block **bp, Rune *r, uint n)
{
void diskwrite(Disk* d, Block** bp, Rune* r, uint n) {
int size, nsize;
Block *b;
Block* b;
b = *bp;
size = ntosize(b->u.n, nil);
nsize = ntosize(n, nil);
if(size != nsize){
if (size != nsize) {
diskrelease(d, b);
b = disknewblock(d, n);
*bp = b;
}
if(pwrite(d->fd, r, n*sizeof(Rune), b->addr) != n*sizeof(Rune))
if (pwrite(d->fd, r, n * sizeof(Rune), b->addr) != n * sizeof(Rune))
error("write error to temp file");
b->u.n = n;
}
void
diskread(Disk *d, Block *b, Rune *r, uint n)
{
if(n > b->u.n)
void diskread(Disk* d, Block* b, Rune* r, uint n) {
if (n > b->u.n)
error("internal error: diskread");
ntosize(b->u.n, nil);
if(pread(d->fd, r, n*sizeof(Rune), b->addr) != n*sizeof(Rune))
if (pread(d->fd, r, n * sizeof(Rune), b->addr) != n * sizeof(Rune))
error("read error from temp file");
}

878
ecmd.c

File diff suppressed because it is too large Load diff

710
edit.c

File diff suppressed because it is too large Load diff

211
elog.c
View file

@ -27,65 +27,52 @@ static int warned = FALSE;
*/
typedef struct Buflog Buflog;
struct Buflog
{
struct Buflog {
short type; /* Replace, Filename */
uint q0; /* location of change (unused in f) */
uint nd; /* # runes to delete */
uint nr; /* # runes in string or file name */
};
enum
{
Buflogsize = sizeof(Buflog)/sizeof(Rune)
};
enum { Buflogsize = sizeof(Buflog) / sizeof(Rune) };
/*
* Minstring shouldn't be very big or we will do lots of I/O for small changes.
* Maxstring is RBUFSIZE so we can fbufalloc() once and not realloc elog.r.
*/
enum
{
enum {
Minstring = 16, /* distance beneath which we merge changes */
Maxstring = RBUFSIZE /* maximum length of change we will merge into one */
};
void
eloginit(File *f)
{
if(f->elog.type != Empty)
void eloginit(File* f) {
if (f->elog.type != Empty)
return;
f->elog.type = Null;
if(f->elogbuf == nil)
if (f->elogbuf == nil)
f->elogbuf = emalloc(sizeof(Buffer));
if(f->elog.r == nil)
if (f->elog.r == nil)
f->elog.r = fbufalloc();
bufreset(f->elogbuf);
}
void
elogclose(File *f)
{
if(f->elogbuf){
void elogclose(File* f) {
if (f->elogbuf) {
bufclose(f->elogbuf);
free(f->elogbuf);
f->elogbuf = nil;
}
}
void
elogreset(File *f)
{
void elogreset(File* f) {
f->elog.type = Null;
f->elog.nd = 0;
f->elog.nr = 0;
}
void
elogterm(File *f)
{
void elogterm(File* f) {
elogreset(f);
if(f->elogbuf)
if (f->elogbuf)
bufreset(f->elogbuf);
f->elog.type = Empty;
fbuffree(f->elog.r);
@ -93,16 +80,14 @@ elogterm(File *f)
warned = FALSE;
}
void
elogflush(File *f)
{
void elogflush(File* f) {
Buflog b;
b.type = f->elog.type;
b.q0 = f->elog.q0;
b.nd = f->elog.nd;
b.nr = f->elog.nr;
switch(f->elog.type){
switch (f->elog.type) {
default:
warning(nil, "unknown elog type 0x%ux\n", f->elog.type);
break;
@ -110,7 +95,7 @@ elogflush(File *f)
break;
case Insert:
case Replace:
if(f->elog.nr > 0)
if (f->elog.nr > 0)
bufinsert(f->elogbuf, f->elogbuf->nc, f->elog.r, f->elog.nr);
/* fall through */
case Delete:
@ -120,29 +105,27 @@ elogflush(File *f)
elogreset(f);
}
void
elogreplace(File *f, int q0, int q1, Rune *r, int nr)
{
void elogreplace(File* f, int q0, int q1, Rune* r, int nr) {
uint gap;
if(q0==q1 && nr==0)
if (q0 == q1 && nr == 0)
return;
eloginit(f);
if(f->elog.type!=Null && q0<f->elog.q0){
if(warned++ == 0)
if (f->elog.type != Null && q0 < f->elog.q0) {
if (warned++ == 0)
warning(nil, Wsequence);
elogflush(f);
}
/* try to merge with previous */
gap = q0 - (f->elog.q0+f->elog.nd); /* gap between previous and this */
if(f->elog.type==Replace && f->elog.nr+gap+nr<Maxstring){
if(gap < Minstring){
if(gap > 0){
bufread(&f->b, f->elog.q0+f->elog.nd, f->elog.r+f->elog.nr, gap);
gap = q0 - (f->elog.q0 + f->elog.nd); /* gap between previous and this */
if (f->elog.type == Replace && f->elog.nr + gap + nr < Maxstring) {
if (gap < Minstring) {
if (gap > 0) {
bufread(&f->b, f->elog.q0 + f->elog.nd, f->elog.r + f->elog.nr, gap);
f->elog.nr += gap;
}
f->elog.nd += gap + q1-q0;
runemove(f->elog.r+f->elog.nr, r, nr);
f->elog.nd += gap + q1 - q0;
runemove(f->elog.r + f->elog.nr, r, nr);
f->elog.nr += nr;
return;
}
@ -150,38 +133,37 @@ elogreplace(File *f, int q0, int q1, Rune *r, int nr)
elogflush(f);
f->elog.type = Replace;
f->elog.q0 = q0;
f->elog.nd = q1-q0;
f->elog.nd = q1 - q0;
f->elog.nr = nr;
if(nr > RBUFSIZE)
if (nr > RBUFSIZE)
editerror("internal error: replacement string too large(%d)", nr);
runemove(f->elog.r, r, nr);
}
void
eloginsert(File *f, int q0, Rune *r, int nr)
{
void eloginsert(File* f, int q0, Rune* r, int nr) {
int n;
if(nr == 0)
if (nr == 0)
return;
eloginit(f);
if(f->elog.type!=Null && q0<f->elog.q0){
if(warned++ == 0)
if (f->elog.type != Null && q0 < f->elog.q0) {
if (warned++ == 0)
warning(nil, Wsequence);
elogflush(f);
}
/* try to merge with previous */
if(f->elog.type==Insert && q0==f->elog.q0 && f->elog.nr+nr<Maxstring){
runemove(f->elog.r+f->elog.nr, r, nr);
if (
f->elog.type == Insert && q0 == f->elog.q0 && f->elog.nr + nr < Maxstring) {
runemove(f->elog.r + f->elog.nr, r, nr);
f->elog.nr += nr;
return;
}
while(nr > 0){
while (nr > 0) {
elogflush(f);
f->elog.type = Insert;
f->elog.q0 = q0;
n = nr;
if(n > RBUFSIZE)
if (n > RBUFSIZE)
n = RBUFSIZE;
f->elog.nr = n;
runemove(f->elog.r, r, n);
@ -190,38 +172,34 @@ eloginsert(File *f, int q0, Rune *r, int nr)
}
}
void
elogdelete(File *f, int q0, int q1)
{
if(q0 == q1)
void elogdelete(File* f, int q0, int q1) {
if (q0 == q1)
return;
eloginit(f);
if(f->elog.type!=Null && q0<f->elog.q0+f->elog.nd){
if(warned++ == 0)
if (f->elog.type != Null && q0 < f->elog.q0 + f->elog.nd) {
if (warned++ == 0)
warning(nil, Wsequence);
elogflush(f);
}
/* try to merge with previous */
if(f->elog.type==Delete && f->elog.q0+f->elog.nd==q0){
f->elog.nd += q1-q0;
if (f->elog.type == Delete && f->elog.q0 + f->elog.nd == q0) {
f->elog.nd += q1 - q0;
return;
}
elogflush(f);
f->elog.type = Delete;
f->elog.q0 = q0;
f->elog.nd = q1-q0;
f->elog.nd = q1 - q0;
}
#define tracelog 0
void
elogapply(File *f)
{
void elogapply(File* f) {
Buflog b;
Rune *buf;
Rune* buf;
uint i, n, up, mod;
uint tq0, tq1;
Buffer *log;
Text *t;
Buffer* log;
Text* t;
int owner;
elogflush(f);
@ -232,19 +210,19 @@ elogapply(File *f)
mod = FALSE;
owner = 0;
if(t->w){
if (t->w) {
owner = t->w->owner;
if(owner == 0)
if (owner == 0)
t->w->owner = 'E';
}
/*
* The edit commands have already updated the selection in t->q0, t->q1,
* but using coordinates relative to the unmodified buffer. As we apply the log,
* we have to update the coordinates to be relative to the modified buffer.
* Textinsert and textdelete will do this for us; our only work is to apply the
* convention that an insertion at t->q0==t->q1 is intended to select the
* inserted text.
* but using coordinates relative to the unmodified buffer. As we apply the
* log, we have to update the coordinates to be relative to the modified
* buffer. Textinsert and textdelete will do this for us; our only work is to
* apply the convention that an insertion at t->q0==t->q1 is intended to
* select the inserted text.
*/
/*
@ -254,71 +232,86 @@ elogapply(File *f)
* keep things in range.
*/
while(log->nc > 0){
up = log->nc-Buflogsize;
while (log->nc > 0) {
up = log->nc - Buflogsize;
bufread(log, up, (Rune*)&b, Buflogsize);
switch(b.type){
switch (b.type) {
default:
fprint(2, "elogapply: 0x%ux\n", b.type);
abort();
break;
case Replace:
if(tracelog)
warning(nil, "elog replace %d %d (%d %d)\n",
b.q0, b.q0+b.nd, t->q0, t->q1);
if(!mod){
if (tracelog)
warning(
nil,
"elog replace %d %d (%d %d)\n",
b.q0,
b.q0 + b.nd,
t->q0,
t->q1);
if (!mod) {
mod = TRUE;
filemark(f);
}
textconstrain(t, b.q0, b.q0+b.nd, &tq0, &tq1);
textconstrain(t, b.q0, b.q0 + b.nd, &tq0, &tq1);
textdelete(t, tq0, tq1, TRUE);
up -= b.nr;
for(i=0; i<b.nr; i+=n){
for (i = 0; i < b.nr; i += n) {
n = b.nr - i;
if(n > RBUFSIZE)
if (n > RBUFSIZE)
n = RBUFSIZE;
bufread(log, up+i, buf, n);
textinsert(t, tq0+i, buf, n, TRUE);
bufread(log, up + i, buf, n);
textinsert(t, tq0 + i, buf, n, TRUE);
}
if(t->q0 == b.q0 && t->q1 == b.q0)
if (t->q0 == b.q0 && t->q1 == b.q0)
t->q1 += b.nr;
break;
case Delete:
if(tracelog)
warning(nil, "elog delete %d %d (%d %d)\n",
b.q0, b.q0+b.nd, t->q0, t->q1);
if(!mod){
if (tracelog)
warning(
nil,
"elog delete %d %d (%d %d)\n",
b.q0,
b.q0 + b.nd,
t->q0,
t->q1);
if (!mod) {
mod = TRUE;
filemark(f);
}
textconstrain(t, b.q0, b.q0+b.nd, &tq0, &tq1);
textconstrain(t, b.q0, b.q0 + b.nd, &tq0, &tq1);
textdelete(t, tq0, tq1, TRUE);
break;
case Insert:
if(tracelog)
warning(nil, "elog insert %d %d (%d %d)\n",
b.q0, b.q0+b.nr, t->q0, t->q1);
if(!mod){
if (tracelog)
warning(
nil,
"elog insert %d %d (%d %d)\n",
b.q0,
b.q0 + b.nr,
t->q0,
t->q1);
if (!mod) {
mod = TRUE;
filemark(f);
}
textconstrain(t, b.q0, b.q0, &tq0, &tq1);
up -= b.nr;
for(i=0; i<b.nr; i+=n){
for (i = 0; i < b.nr; i += n) {
n = b.nr - i;
if(n > RBUFSIZE)
if (n > RBUFSIZE)
n = RBUFSIZE;
bufread(log, up+i, buf, n);
textinsert(t, tq0+i, buf, n, TRUE);
bufread(log, up + i, buf, n);
textinsert(t, tq0 + i, buf, n, TRUE);
}
if(t->q0 == b.q0 && t->q1 == b.q0)
if (t->q0 == b.q0 && t->q1 == b.q0)
t->q1 += b.nr;
break;
/* case Filename:
/* case Filename:
f->seq = u.seq;
fileunsetname(f, epsilon);
f->mod = u.mod;
@ -331,7 +324,7 @@ elogapply(File *f)
bufread(delta, up, f->name, u.n);
f->nname = u.n;
break;
*/
*/
}
bufdelete(log, up, log->nc);
}
@ -342,13 +335,13 @@ elogapply(File *f)
* Bad addresses will cause bufload to crash, so double check.
* If changes were out of order, we expect problems so don't complain further.
*/
if(t->q0 > f->b.nc || t->q1 > f->b.nc || t->q0 > t->q1){
if(!warned)
if (t->q0 > f->b.nc || t->q1 > f->b.nc || t->q0 > t->q1) {
if (!warned)
warning(nil, "elogapply: can't happen %d %d %d\n", t->q0, t->q1, f->b.nc);
t->q1 = min(t->q1, f->b.nc);
t->q0 = min(t->q0, t->q1);
}
if(t->w)
if (t->w)
t->w->owner = owner;
}

1128
exec.c

File diff suppressed because it is too large Load diff

165
file.c
View file

@ -23,8 +23,7 @@
*/
typedef struct Undo Undo;
struct Undo
{
struct Undo {
short type; /* Delete, Insert, Filename */
short mod; /* modify bit */
uint seq; /* sequence number */
@ -32,60 +31,49 @@ struct Undo
uint n; /* # runes in string or file name */
};
enum
{
Undosize = sizeof(Undo)/sizeof(Rune)
};
enum { Undosize = sizeof(Undo) / sizeof(Rune) };
File*
fileaddtext(File *f, Text *t)
{
if(f == nil){
File* fileaddtext(File* f, Text* t) {
if (f == nil) {
f = emalloc(sizeof(File));
f->unread = TRUE;
}
f->text = realloc(f->text, (f->ntext+1)*sizeof(Text*));
f->text = realloc(f->text, (f->ntext + 1) * sizeof(Text*));
f->text[f->ntext++] = t;
f->curtext = t;
return f;
}
void
filedeltext(File *f, Text *t)
{
void filedeltext(File* f, Text* t) {
int i;
for(i=0; i<f->ntext; i++)
if(f->text[i] == t)
for (i = 0; i < f->ntext; i++)
if (f->text[i] == t)
goto Found;
error("can't find text in filedeltext");
Found:
Found:
f->ntext--;
if(f->ntext == 0){
if (f->ntext == 0) {
fileclose(f);
return;
}
memmove(f->text+i, f->text+i+1, (f->ntext-i)*sizeof(Text*));
if(f->curtext == t)
memmove(f->text + i, f->text + i + 1, (f->ntext - i) * sizeof(Text*));
if (f->curtext == t)
f->curtext = f->text[0];
}
void
fileinsert(File *f, uint p0, Rune *s, uint ns)
{
if(p0 > f->b.nc)
void fileinsert(File* f, uint p0, Rune* s, uint ns) {
if (p0 > f->b.nc)
error("internal error: fileinsert");
if(f->seq > 0)
if (f->seq > 0)
fileuninsert(f, &f->delta, p0, ns);
bufinsert(&f->b, p0, s, ns);
if(ns)
if (ns)
f->mod = TRUE;
}
void
fileuninsert(File *f, Buffer *delta, uint p0, uint ns)
{
void fileuninsert(File* f, Buffer* delta, uint p0, uint ns) {
Undo u;
/* undo an insertion by deleting */
@ -97,23 +85,19 @@ fileuninsert(File *f, Buffer *delta, uint p0, uint ns)
bufinsert(delta, delta->nc, (Rune*)&u, Undosize);
}
void
filedelete(File *f, uint p0, uint p1)
{
if(!(p0<=p1 && p0<=f->b.nc && p1<=f->b.nc))
void filedelete(File* f, uint p0, uint p1) {
if (!(p0 <= p1 && p0 <= f->b.nc && p1 <= f->b.nc))
error("internal error: filedelete");
if(f->seq > 0)
if (f->seq > 0)
fileundelete(f, &f->delta, p0, p1);
bufdelete(&f->b, p0, p1);
if(p1 > p0)
if (p1 > p0)
f->mod = TRUE;
}
void
fileundelete(File *f, Buffer *delta, uint p0, uint p1)
{
void fileundelete(File* f, Buffer* delta, uint p0, uint p1) {
Undo u;
Rune *buf;
Rune* buf;
uint i, n;
/* undo a deletion by inserting */
@ -121,24 +105,21 @@ fileundelete(File *f, Buffer *delta, uint p0, uint p1)
u.mod = f->mod;
u.seq = f->seq;
u.p0 = p0;
u.n = p1-p0;
u.n = p1 - p0;
buf = fbufalloc();
for(i=p0; i<p1; i+=n){
for (i = p0; i < p1; i += n) {
n = p1 - i;
if(n > RBUFSIZE)
if (n > RBUFSIZE)
n = RBUFSIZE;
bufread(&f->b, i, buf, n);
bufinsert(delta, delta->nc, buf, n);
}
fbuffree(buf);
bufinsert(delta, delta->nc, (Rune*)&u, Undosize);
}
void
filesetname(File *f, Rune *name, int n)
{
if(f->seq > 0)
void filesetname(File* f, Rune* name, int n) {
if (f->seq > 0)
fileunsetname(f, &f->delta);
free(f->name);
f->name = runemalloc(n);
@ -147,9 +128,7 @@ filesetname(File *f, Rune *name, int n)
f->unread = TRUE;
}
void
fileunsetname(File *f, Buffer *delta)
{
void fileunsetname(File* f, Buffer* delta) {
Undo u;
/* undo a file name change by restoring old name */
@ -158,48 +137,42 @@ fileunsetname(File *f, Buffer *delta)
u.seq = f->seq;
u.p0 = 0; /* unused */
u.n = f->nname;
if(f->nname)
if (f->nname)
bufinsert(delta, delta->nc, f->name, f->nname);
bufinsert(delta, delta->nc, (Rune*)&u, Undosize);
}
uint
fileload(File *f, uint p0, int fd, int *nulls, DigestState *h)
{
if(f->seq > 0)
uint fileload(File* f, uint p0, int fd, int* nulls, DigestState* h) {
if (f->seq > 0)
error("undo in file.load unimplemented");
return bufload(&f->b, p0, fd, nulls, h);
}
/* return sequence number of pending redo */
uint
fileredoseq(File *f)
{
uint fileredoseq(File* f) {
Undo u;
Buffer *delta;
Buffer* delta;
delta = &f->epsilon;
if(delta->nc == 0)
if (delta->nc == 0)
return 0;
bufread(delta, delta->nc-Undosize, (Rune*)&u, Undosize);
bufread(delta, delta->nc - Undosize, (Rune*)&u, Undosize);
return u.seq;
}
void
fileundo(File *f, int isundo, uint *q0p, uint *q1p)
{
void fileundo(File* f, int isundo, uint* q0p, uint* q1p) {
Undo u;
Rune *buf;
Rune* buf;
uint i, j, n, up;
uint stop;
Buffer *delta, *epsilon;
if(isundo){
if (isundo) {
/* undo; reverse delta onto epsilon, seq decreases */
delta = &f->delta;
epsilon = &f->epsilon;
stop = f->seq;
}else{
} else {
/* redo; reverse epsilon onto delta, seq increases */
delta = &f->epsilon;
epsilon = &f->delta;
@ -207,21 +180,21 @@ fileundo(File *f, int isundo, uint *q0p, uint *q1p)
}
buf = fbufalloc();
while(delta->nc > 0){
up = delta->nc-Undosize;
while (delta->nc > 0) {
up = delta->nc - Undosize;
bufread(delta, up, (Rune*)&u, Undosize);
if(isundo){
if(u.seq < stop){
if (isundo) {
if (u.seq < stop) {
f->seq = u.seq;
goto Return;
}
}else{
if(stop == 0)
} else {
if (stop == 0)
stop = u.seq;
if(u.seq > stop)
if (u.seq > stop)
goto Return;
}
switch(u.type){
switch (u.type) {
default:
fprint(2, "undo: 0x%ux\n", u.type);
abort();
@ -229,11 +202,11 @@ fileundo(File *f, int isundo, uint *q0p, uint *q1p)
case Delete:
f->seq = u.seq;
fileundelete(f, epsilon, u.p0, u.p0+u.n);
fileundelete(f, epsilon, u.p0, u.p0 + u.n);
f->mod = u.mod;
bufdelete(&f->b, u.p0, u.p0+u.n);
for(j=0; j<f->ntext; j++)
textdelete(f->text[j], u.p0, u.p0+u.n, FALSE);
bufdelete(&f->b, u.p0, u.p0 + u.n);
for (j = 0; j < f->ntext; j++)
textdelete(f->text[j], u.p0, u.p0 + u.n, FALSE);
*q0p = u.p0;
*q1p = u.p0;
break;
@ -243,17 +216,17 @@ fileundo(File *f, int isundo, uint *q0p, uint *q1p)
fileuninsert(f, epsilon, u.p0, u.n);
f->mod = u.mod;
up -= u.n;
for(i=0; i<u.n; i+=n){
for (i = 0; i < u.n; i += n) {
n = u.n - i;
if(n > RBUFSIZE)
if (n > RBUFSIZE)
n = RBUFSIZE;
bufread(delta, up+i, buf, n);
bufinsert(&f->b, u.p0+i, buf, n);
for(j=0; j<f->ntext; j++)
textinsert(f->text[j], u.p0+i, buf, n, FALSE);
bufread(delta, up + i, buf, n);
bufinsert(&f->b, u.p0 + i, buf, n);
for (j = 0; j < f->ntext; j++)
textinsert(f->text[j], u.p0 + i, buf, n, FALSE);
}
*q0p = u.p0;
*q1p = u.p0+u.n;
*q1p = u.p0 + u.n;
break;
case Filename:
@ -262,7 +235,7 @@ fileundo(File *f, int isundo, uint *q0p, uint *q1p)
f->mod = u.mod;
up -= u.n;
free(f->name);
if(u.n == 0)
if (u.n == 0)
f->name = nil;
else
f->name = runemalloc(u.n);
@ -272,23 +245,19 @@ fileundo(File *f, int isundo, uint *q0p, uint *q1p)
}
bufdelete(delta, up, delta->nc);
}
if(isundo)
if (isundo)
f->seq = 0;
Return:
Return:
fbuffree(buf);
}
void
filereset(File *f)
{
void filereset(File* f) {
bufreset(&f->delta);
bufreset(&f->epsilon);
f->seq = 0;
}
void
fileclose(File *f)
{
void fileclose(File* f) {
free(f->name);
f->nname = 0;
f->name = nil;
@ -302,10 +271,8 @@ fileclose(File *f)
free(f);
}
void
filemark(File *f)
{
if(f->epsilon.nc)
void filemark(File* f) {
if (f->epsilon.nc)
bufdelete(&f->epsilon, 0, f->epsilon.nc);
f->seq = seq;
}

1
fns.h
View file

@ -95,6 +95,7 @@ void flushwarnings(void);
void startplumbing(void);
long nlcount(Text*, long, long, long*);
long nlcounttopos(Text*, long, long, long);
Rune* parsetag(Window*, int*);
Runestr runestr(Rune*, uint);
Range range(int, int);

411
fsys.c
View file

@ -14,15 +14,11 @@
static int sfd;
enum
{
Nhash = 16,
DEBUG = 0
};
enum { Nhash = 16, DEBUG = 0 };
static Fid *fids[Nhash];
static Fid* fids[Nhash];
Fid *newfid(int);
Fid* newfid(int);
static Xfid* fsysflush(Xfid*, Fid*);
static Xfid* fsysauth(Xfid*, Fid*);
@ -40,9 +36,7 @@ static Xfid* fsyswstat(Xfid*, Fid*);
Xfid* (*fcall[Tmax])(Xfid*, Fid*);
static void
initfcall(void)
{
static void initfcall(void) {
fcall[Tflush] = fsysflush;
fcall[Tversion] = fsysversion;
fcall[Tauth] = fsysauth;
@ -53,7 +47,7 @@ initfcall(void)
fcall[Tread] = fsysread;
fcall[Twrite] = fsyswrite;
fcall[Tclunk] = fsysclunk;
fcall[Tremove]= fsysremove;
fcall[Tremove] = fsysremove;
fcall[Tstat] = fsysstat;
fcall[Twstat] = fsyswstat;
}
@ -62,44 +56,46 @@ char Eperm[] = "permission denied";
char Eexist[] = "file does not exist";
char Enotdir[] = "not a directory";
Dirtab dirtab[]=
{
{ ".", QTDIR, Qdir, 0500|DMDIR },
{ "acme", QTDIR, Qacme, 0500|DMDIR },
{ "cons", QTFILE, Qcons, 0600 },
{ "consctl", QTFILE, Qconsctl, 0000 },
{ "draw", QTDIR, Qdraw, 0000|DMDIR }, /* to suppress graphics progs started in acme */
{ "editout", QTFILE, Qeditout, 0200 },
{ "index", QTFILE, Qindex, 0400 },
{ "label", QTFILE, Qlabel, 0600 },
{ "log", QTFILE, Qlog, 0400 },
{ "new", QTDIR, Qnew, 0500|DMDIR },
{ nil, }
};
Dirtab dirtab[] = {
{".", QTDIR, Qdir, 0500 | DMDIR},
{"acme", QTDIR, Qacme, 0500 | DMDIR},
{"cons", QTFILE, Qcons, 0600},
{"consctl", QTFILE, Qconsctl, 0000},
{"draw",
QTDIR,
Qdraw,
0000 | DMDIR}, /* to suppress graphics progs started in acme */
{"editout", QTFILE, Qeditout, 0200},
{"index", QTFILE, Qindex, 0400},
{"label", QTFILE, Qlabel, 0600},
{"log", QTFILE, Qlog, 0400},
{"new", QTDIR, Qnew, 0500 | DMDIR},
{
nil,
}};
Dirtab dirtabw[]=
{
{ ".", QTDIR, Qdir, 0500|DMDIR },
{ "addr", QTFILE, QWaddr, 0600 },
{ "body", QTAPPEND, QWbody, 0600|DMAPPEND },
{ "ctl", QTFILE, QWctl, 0600 },
{ "data", QTFILE, QWdata, 0600 },
{ "editout", QTFILE, QWeditout, 0200 },
{ "errors", QTFILE, QWerrors, 0200 },
{ "event", QTFILE, QWevent, 0600 },
{ "rdsel", QTFILE, QWrdsel, 0400 },
{ "wrsel", QTFILE, QWwrsel, 0200 },
{ "tag", QTAPPEND, QWtag, 0600|DMAPPEND },
{ "xdata", QTFILE, QWxdata, 0600 },
{ nil, }
};
Dirtab dirtabw[] = {
{".", QTDIR, Qdir, 0500 | DMDIR},
{"addr", QTFILE, QWaddr, 0600},
{"body", QTAPPEND, QWbody, 0600 | DMAPPEND},
{"ctl", QTFILE, QWctl, 0600},
{"data", QTFILE, QWdata, 0600},
{"editout", QTFILE, QWeditout, 0200},
{"errors", QTFILE, QWerrors, 0200},
{"event", QTFILE, QWevent, 0600},
{"rdsel", QTFILE, QWrdsel, 0400},
{"wrsel", QTFILE, QWwrsel, 0200},
{"tag", QTAPPEND, QWtag, 0600 | DMAPPEND},
{"xdata", QTFILE, QWxdata, 0600},
{
nil,
}};
typedef struct Mnt Mnt;
struct Mnt
{
struct Mnt {
QLock lk;
int id;
Mntdir *md;
Mntdir* md;
};
Mnt mnt;
@ -108,64 +104,62 @@ Xfid* respond(Xfid*, Fcall*, char*);
int dostat(int, Dirtab*, uchar*, int, uint);
uint getclock(void);
char *user = "Wile E. Coyote";
char* user = "Wile E. Coyote";
static int closing = 0;
int messagesize = Maxblock+IOHDRSZ; /* good start */
int messagesize = Maxblock + IOHDRSZ; /* good start */
void fsysproc(void *);
void fsysproc(void*);
void
fsysinit(void)
{
void fsysinit(void) {
int p[2];
char *u;
char* u;
initfcall();
if(pipe(p) < 0)
if (pipe(p) < 0)
error("can't create pipe");
if(post9pservice(p[0], "acme", mtpt) < 0)
if (post9pservice(p[0], "acme", mtpt) < 0)
error("can't post service");
sfd = p[1];
fmtinstall('F', fcallfmt);
if((u = getuser()) != nil)
if ((u = getuser()) != nil)
user = estrdup(u);
proccreate(fsysproc, nil, STACK);
}
void
fsysproc(void *v)
{
void fsysproc(void* v) {
int n;
Xfid *x;
Fid *f;
Xfid* x;
Fid* f;
Fcall t;
uchar *buf;
uchar* buf;
threadsetname("fsysproc");
USED(v);
x = nil;
for(;;){
buf = emalloc(messagesize+UTFmax); /* overflow for appending partial rune in xfidwrite */
for (;;) {
buf = emalloc(
messagesize +
UTFmax); /* overflow for appending partial rune in xfidwrite */
n = read9pmsg(sfd, buf, messagesize);
if(n <= 0){
if(closing)
if (n <= 0) {
if (closing)
break;
error("i/o error on server channel");
}
if(x == nil){
if (x == nil) {
sendp(cxfidalloc, nil);
x = recvp(cxfidalloc);
}
x->buf = buf;
if(convM2S(buf, n, &x->fcall) != n)
if (convM2S(buf, n, &x->fcall) != n)
error("convert error in convM2S");
if(DEBUG)
if (DEBUG)
fprint(2, "%F\n", &x->fcall);
if(fcall[x->fcall.type] == nil)
if (fcall[x->fcall.type] == nil)
x = respond(x, &t, "bad fcall type");
else{
switch(x->fcall.type){
else {
switch (x->fcall.type) {
case Tversion:
case Tauth:
case Tflush:
@ -176,7 +170,7 @@ fsysproc(void *v)
break;
default:
f = newfid(x->fcall.fid);
if(!f->busy){
if (!f->busy) {
x->f = f;
x = respond(x, &t, "fid not in use");
continue;
@ -189,10 +183,8 @@ fsysproc(void *v)
}
}
Mntdir*
fsysaddid(Rune *dir, int ndir, Rune **incl, int nincl)
{
Mntdir *m;
Mntdir* fsysaddid(Rune* dir, int ndir, Rune** incl, int nincl) {
Mntdir* m;
int id;
qlock(&mnt.lk);
@ -210,36 +202,32 @@ fsysaddid(Rune *dir, int ndir, Rune **incl, int nincl)
return m;
}
void
fsysincid(Mntdir *m)
{
void fsysincid(Mntdir* m) {
qlock(&mnt.lk);
m->ref++;
qunlock(&mnt.lk);
}
void
fsysdelid(Mntdir *idm)
{
void fsysdelid(Mntdir* idm) {
Mntdir *m, *prev;
int i;
char buf[64];
if(idm == nil)
if (idm == nil)
return;
qlock(&mnt.lk);
if(--idm->ref > 0){
if (--idm->ref > 0) {
qunlock(&mnt.lk);
return;
}
prev = nil;
for(m=mnt.md; m; m=m->next){
if(m == idm){
if(prev)
for (m = mnt.md; m; m = m->next) {
if (m == idm) {
if (prev)
prev->next = m->next;
else
mnt.md = m->next;
for(i=0; i<m->nincl; i++)
for (i = 0; i < m->nincl; i++)
free(m->incl[i]);
free(m->incl);
free(m->dir);
@ -257,15 +245,11 @@ fsysdelid(Mntdir *idm)
/*
* Called only in exec.c:/^run(), from a different FD group
*/
Mntdir*
fsysmount(Rune *dir, int ndir, Rune **incl, int nincl)
{
Mntdir* fsysmount(Rune* dir, int ndir, Rune** incl, int nincl) {
return fsysaddid(dir, ndir, incl, nincl);
}
void
fsysclose(void)
{
void fsysclose(void) {
closing = 1;
/*
* apparently this is not kosher on openbsd.
@ -275,78 +259,64 @@ fsysclose(void)
*/
}
Xfid*
respond(Xfid *x, Fcall *t, char *err)
{
Xfid* respond(Xfid* x, Fcall* t, char* err) {
int n;
if(err){
if (err) {
t->type = Rerror;
t->ename = err;
}else
t->type = x->fcall.type+1;
} else
t->type = x->fcall.type + 1;
t->fid = x->fcall.fid;
t->tag = x->fcall.tag;
if(x->buf == nil)
if (x->buf == nil)
x->buf = emalloc(messagesize);
n = convS2M(t, x->buf, messagesize);
if(n <= 0)
if (n <= 0)
error("convert error in convS2M");
if(write(sfd, x->buf, n) != n)
if (write(sfd, x->buf, n) != n)
error("write error in respond");
free(x->buf);
x->buf = nil;
if(DEBUG)
if (DEBUG)
fprint(2, "r: %F\n", t);
return x;
}
static
Xfid*
fsysversion(Xfid *x, Fid *f)
{
static Xfid* fsysversion(Xfid* x, Fid* f) {
Fcall t;
USED(f);
if(x->fcall.msize < 256)
if (x->fcall.msize < 256)
return respond(x, &t, "version: message size too small");
messagesize = x->fcall.msize;
t.msize = messagesize;
if(strncmp(x->fcall.version, "9P2000", 6) != 0)
if (strncmp(x->fcall.version, "9P2000", 6) != 0)
return respond(x, &t, "unrecognized 9P version");
t.version = "9P2000";
return respond(x, &t, nil);
}
static
Xfid*
fsysauth(Xfid *x, Fid *f)
{
static Xfid* fsysauth(Xfid* x, Fid* f) {
Fcall t;
USED(f);
return respond(x, &t, "acme: authentication not required");
}
static
Xfid*
fsysflush(Xfid *x, Fid *f)
{
static Xfid* fsysflush(Xfid* x, Fid* f) {
USED(f);
sendp(x->c, (void*)xfidflush);
return nil;
}
static
Xfid*
fsysattach(Xfid *x, Fid *f)
{
static Xfid* fsysattach(Xfid* x, Fid* f) {
Fcall t;
int id;
Mntdir *m;
Mntdir* m;
char buf[128];
if(strcmp(x->fcall.uname, user) != 0)
if (strcmp(x->fcall.uname, user) != 0)
return respond(x, &t, Eperm);
f->busy = TRUE;
f->open = FALSE;
@ -360,13 +330,13 @@ fsysattach(Xfid *x, Fid *f)
f->mntdir = nil;
id = atoi(x->fcall.aname);
qlock(&mnt.lk);
for(m=mnt.md; m; m=m->next)
if(m->id == id){
for (m = mnt.md; m; m = m->next)
if (m->id == id) {
f->mntdir = m;
m->ref++;
break;
}
if(m == nil && x->fcall.aname[0]){
if (m == nil && x->fcall.aname[0]) {
snprint(buf, sizeof buf, "unknown id '%s' in attach", x->fcall.aname);
sendp(cerr, estrdup(buf));
}
@ -374,38 +344,35 @@ fsysattach(Xfid *x, Fid *f)
return respond(x, &t, nil);
}
static
Xfid*
fsyswalk(Xfid *x, Fid *f)
{
static Xfid* fsyswalk(Xfid* x, Fid* f) {
Fcall t;
int c, i, j, id;
Qid q;
uchar type;
ulong path;
Fid *nf;
Fid* nf;
Dirtab *d, *dir;
Window *w;
char *err;
Window* w;
char* err;
nf = nil;
w = nil;
if(f->open)
if (f->open)
return respond(x, &t, "walk of open file");
if(x->fcall.fid != x->fcall.newfid){
if (x->fcall.fid != x->fcall.newfid) {
nf = newfid(x->fcall.newfid);
if(nf->busy)
if (nf->busy)
return respond(x, &t, "newfid already in use");
nf->busy = TRUE;
nf->open = FALSE;
nf->mntdir = f->mntdir;
if(f->mntdir)
if (f->mntdir)
f->mntdir->ref++;
nf->dir = f->dir;
nf->qid = f->qid;
nf->w = f->w;
nf->nrpart = 0; /* not open, so must be zero */
if(nf->w)
if (nf->w)
incref(&nf->w->ref);
f = nf; /* walk f */
}
@ -416,23 +383,23 @@ fsyswalk(Xfid *x, Fid *f)
id = WIN(f->qid);
q = f->qid;
if(x->fcall.nwname > 0){
for(i=0; i<x->fcall.nwname; i++){
if((q.type & QTDIR) == 0){
if (x->fcall.nwname > 0) {
for (i = 0; i < x->fcall.nwname; i++) {
if ((q.type & QTDIR) == 0) {
err = Enotdir;
break;
}
if(strcmp(x->fcall.wname[i], "..") == 0){
if (strcmp(x->fcall.wname[i], "..") == 0) {
type = QTDIR;
path = Qdir;
id = 0;
if(w){
if (w) {
winclose(w);
w = nil;
}
Accept:
if(i == MAXWELEM){
if (i == MAXWELEM) {
err = "name too long";
break;
}
@ -444,16 +411,16 @@ fsyswalk(Xfid *x, Fid *f)
}
/* is it a numeric name? */
for(j=0; (c=x->fcall.wname[i][j]); j++)
if(c<'0' || '9'<c)
for (j = 0; (c = x->fcall.wname[i][j]); j++)
if (c < '0' || '9' < c)
goto Regular;
/* yes: it's a directory */
if(w) /* name has form 27/23; get out before losing w */
if (w) /* name has form 27/23; get out before losing w */
break;
id = atoi(x->fcall.wname[i]);
qlock(&row.lk);
w = lookid(id, FALSE);
if(w == nil){
if (w == nil) {
qunlock(&row.lk);
break;
}
@ -465,8 +432,8 @@ fsyswalk(Xfid *x, Fid *f)
goto Accept;
Regular:
if(strcmp(x->fcall.wname[i], "new") == 0){
if(w)
if (strcmp(x->fcall.wname[i], "new") == 0) {
if (w)
error("w set in walk to new");
sendp(cnewwindow, nil); /* signal newwindowthread */
w = recvp(cnewwindow); /* receive new window */
@ -478,13 +445,13 @@ fsyswalk(Xfid *x, Fid *f)
goto Accept;
}
if(id == 0)
if (id == 0)
d = dirtab;
else
d = dirtabw;
d++; /* skip '.' */
for(; d->name; d++)
if(strcmp(x->fcall.wname[i], d->name) == 0){
for (; d->name; d++)
if (strcmp(x->fcall.wname[i], d->name) == 0) {
path = d->qid;
type = d->type;
dir = d;
@ -494,44 +461,41 @@ fsyswalk(Xfid *x, Fid *f)
break; /* file not found */
}
if(i==0 && err == nil)
if (i == 0 && err == nil)
err = Eexist;
}
if(err!=nil || t.nwqid<x->fcall.nwname){
if(nf){
if (err != nil || t.nwqid < x->fcall.nwname) {
if (nf) {
nf->busy = FALSE;
fsysdelid(nf->mntdir);
}
}else if(t.nwqid == x->fcall.nwname){
if(w){
} else if (t.nwqid == x->fcall.nwname) {
if (w) {
f->w = w;
w = nil; /* don't drop the reference */
}
if(dir)
if (dir)
f->dir = dir;
f->qid = q;
}
if(w != nil)
if (w != nil)
winclose(w);
return respond(x, &t, err);
}
static
Xfid*
fsysopen(Xfid *x, Fid *f)
{
static Xfid* fsysopen(Xfid* x, Fid* f) {
Fcall t;
int m;
/* can't truncate anything, so just disregard */
x->fcall.mode &= ~(OTRUNC|OCEXEC);
x->fcall.mode &= ~(OTRUNC | OCEXEC);
/* can't execute or remove anything */
if(x->fcall.mode==OEXEC || (x->fcall.mode&ORCLOSE))
if (x->fcall.mode == OEXEC || (x->fcall.mode & ORCLOSE))
goto Deny;
switch(x->fcall.mode){
switch (x->fcall.mode) {
default:
goto Deny;
case OREAD:
@ -544,79 +508,68 @@ fsysopen(Xfid *x, Fid *f)
m = 0600;
break;
}
if(((f->dir->perm&~(DMDIR|DMAPPEND))&m) != m)
if (((f->dir->perm & ~(DMDIR | DMAPPEND)) & m) != m)
goto Deny;
sendp(x->c, (void*)xfidopen);
return nil;
Deny:
Deny:
return respond(x, &t, Eperm);
}
static
Xfid*
fsyscreate(Xfid *x, Fid *f)
{
static Xfid* fsyscreate(Xfid* x, Fid* f) {
Fcall t;
USED(f);
return respond(x, &t, Eperm);
}
static
int
idcmp(const void *a, const void *b)
{
return *(int*)a - *(int*)b;
}
static int idcmp(const void* a, const void* b) { return *(int*)a - *(int*)b; }
static
Xfid*
fsysread(Xfid *x, Fid *f)
{
static Xfid* fsysread(Xfid* x, Fid* f) {
Fcall t;
uchar *b;
uchar* b;
int i, id, n, o, e, j, k, *ids, nids;
Dirtab *d, dt;
Column *c;
Column* c;
uint clock, len;
char buf[16];
if(f->qid.type & QTDIR){
if(FILE(f->qid) == Qacme){ /* empty dir */
if (f->qid.type & QTDIR) {
if (FILE(f->qid) == Qacme) { /* empty dir */
t.data = nil;
t.count = 0;
respond(x, &t, nil);
return x;
}
o = x->fcall.offset;
e = x->fcall.offset+x->fcall.count;
e = x->fcall.offset + x->fcall.count;
clock = getclock();
b = emalloc(messagesize);
id = WIN(f->qid);
n = 0;
if(id > 0)
if (id > 0)
d = dirtabw;
else
d = dirtab;
d++; /* first entry is '.' */
for(i=0; d->name!=nil && i<e; i+=len){
len = dostat(WIN(x->f->qid), d, b+n, x->fcall.count-n, clock);
if(len <= BIT16SZ)
for (i = 0; d->name != nil && i < e; i += len) {
len = dostat(WIN(x->f->qid), d, b + n, x->fcall.count - n, clock);
if (len <= BIT16SZ)
break;
if(i >= o)
if (i >= o)
n += len;
d++;
}
if(id == 0){
if (id == 0) {
qlock(&row.lk);
nids = 0;
ids = nil;
for(j=0; j<row.ncol; j++){
for (j = 0; j < row.ncol; j++) {
c = row.col[j];
for(k=0; k<c->nw; k++){
ids = realloc(ids, (nids+1)*sizeof(int));
for (k = 0; k < c->nw; k++) {
ids = realloc(ids, (nids + 1) * sizeof(int));
ids[nids++] = c->w[k]->id;
}
}
@ -624,16 +577,16 @@ fsysread(Xfid *x, Fid *f)
qsort(ids, nids, sizeof ids[0], idcmp);
j = 0;
dt.name = buf;
for(; j<nids && i<e; i+=len){
for (; j < nids && i < e; i += len) {
k = ids[j];
sprint(dt.name, "%d", k);
dt.qid = QID(k, Qdir);
dt.type = QTDIR;
dt.perm = DMDIR|0700;
len = dostat(k, &dt, b+n, x->fcall.count-n, clock);
if(len == 0)
dt.perm = DMDIR | 0700;
len = dostat(k, &dt, b + n, x->fcall.count - n, clock);
if (len == 0)
break;
if(i >= o)
if (i >= o)
n += len;
j++;
}
@ -649,70 +602,54 @@ fsysread(Xfid *x, Fid *f)
return nil;
}
static
Xfid*
fsyswrite(Xfid *x, Fid *f)
{
static Xfid* fsyswrite(Xfid* x, Fid* f) {
USED(f);
sendp(x->c, (void*)xfidwrite);
return nil;
}
static
Xfid*
fsysclunk(Xfid *x, Fid *f)
{
static Xfid* fsysclunk(Xfid* x, Fid* f) {
fsysdelid(f->mntdir);
sendp(x->c, (void*)xfidclose);
return nil;
}
static
Xfid*
fsysremove(Xfid *x, Fid *f)
{
static Xfid* fsysremove(Xfid* x, Fid* f) {
Fcall t;
USED(f);
return respond(x, &t, Eperm);
}
static
Xfid*
fsysstat(Xfid *x, Fid *f)
{
static Xfid* fsysstat(Xfid* x, Fid* f) {
Fcall t;
t.stat = emalloc(messagesize-IOHDRSZ);
t.nstat = dostat(WIN(x->f->qid), f->dir, t.stat, messagesize-IOHDRSZ, getclock());
t.stat = emalloc(messagesize - IOHDRSZ);
t.nstat =
dostat(WIN(x->f->qid), f->dir, t.stat, messagesize - IOHDRSZ, getclock());
x = respond(x, &t, nil);
free(t.stat);
return x;
}
static
Xfid*
fsyswstat(Xfid *x, Fid *f)
{
static Xfid* fsyswstat(Xfid* x, Fid* f) {
Fcall t;
USED(f);
return respond(x, &t, Eperm);
}
Fid*
newfid(int fid)
{
Fid* newfid(int fid) {
Fid *f, *ff, **fh;
ff = nil;
fh = &fids[fid&(Nhash-1)];
for(f=*fh; f; f=f->next)
if(f->fid == fid)
fh = &fids[fid & (Nhash - 1)];
for (f = *fh; f; f = f->next)
if (f->fid == fid)
return f;
else if(ff==nil && f->busy==FALSE)
else if (ff == nil && f->busy == FALSE)
ff = f;
if(ff){
if (ff) {
ff->fid = fid;
return ff;
}
@ -723,15 +660,9 @@ newfid(int fid)
return f;
}
uint
getclock(void)
{
return time(0);
}
uint getclock(void) { return time(0); }
int
dostat(int id, Dirtab *dir, uchar *buf, int nbuf, uint clock)
{
int dostat(int id, Dirtab* dir, uchar* buf, int nbuf, uint clock) {
Dir d;
d.qid.path = QID(id, dir->qid);

99
logf.c
View file

@ -14,40 +14,37 @@
// State for global log file.
typedef struct Log Log;
struct Log
{
struct Log {
QLock lk;
Rendez r;
vlong start; // msg[0] corresponds to 'start' in the global sequence of events
// queued events (nev=entries in ev, mev=capacity of p)
char **ev;
char** ev;
int nev;
int mev;
// open acme/put files that need to read events
Fid **f;
Fid** f;
int nf;
int mf;
// active (blocked) reads waiting for events
Xfid **read;
Xfid** read;
int nread;
int mread;
};
static Log eventlog;
void
xfidlogopen(Xfid *x)
{
void xfidlogopen(Xfid* x) {
qlock(&eventlog.lk);
if(eventlog.nf >= eventlog.mf) {
eventlog.mf = eventlog.mf*2;
if(eventlog.mf == 0)
if (eventlog.nf >= eventlog.mf) {
eventlog.mf = eventlog.mf * 2;
if (eventlog.mf == 0)
eventlog.mf = 8;
eventlog.f = erealloc(eventlog.f, eventlog.mf*sizeof eventlog.f[0]);
eventlog.f = erealloc(eventlog.f, eventlog.mf * sizeof eventlog.f[0]);
}
eventlog.f[eventlog.nf++] = x->f;
x->f->logoff = eventlog.start + eventlog.nev;
@ -55,14 +52,12 @@ xfidlogopen(Xfid *x)
qunlock(&eventlog.lk);
}
void
xfidlogclose(Xfid *x)
{
void xfidlogclose(Xfid* x) {
int i;
qlock(&eventlog.lk);
for(i=0; i<eventlog.nf; i++) {
if(eventlog.f[i] == x->f) {
for (i = 0; i < eventlog.nf; i++) {
if (eventlog.f[i] == x->f) {
eventlog.f[i] = eventlog.f[--eventlog.nf];
break;
}
@ -70,36 +65,35 @@ xfidlogclose(Xfid *x)
qunlock(&eventlog.lk);
}
void
xfidlogread(Xfid *x)
{
char *p;
void xfidlogread(Xfid* x) {
char* p;
int i;
Fcall fc;
qlock(&eventlog.lk);
if(eventlog.nread >= eventlog.mread) {
eventlog.mread = eventlog.mread*2;
if(eventlog.mread == 0)
if (eventlog.nread >= eventlog.mread) {
eventlog.mread = eventlog.mread * 2;
if (eventlog.mread == 0)
eventlog.mread = 8;
eventlog.read = erealloc(eventlog.read, eventlog.mread*sizeof eventlog.read[0]);
eventlog.read =
erealloc(eventlog.read, eventlog.mread * sizeof eventlog.read[0]);
}
eventlog.read[eventlog.nread++] = x;
if(eventlog.r.l == nil)
if (eventlog.r.l == nil)
eventlog.r.l = &eventlog.lk;
x->flushed = FALSE;
while(x->f->logoff >= eventlog.start+eventlog.nev && !x->flushed)
while (x->f->logoff >= eventlog.start + eventlog.nev && !x->flushed)
rsleep(&eventlog.r);
for(i=0; i<eventlog.nread; i++) {
if(eventlog.read[i] == x) {
for (i = 0; i < eventlog.nread; i++) {
if (eventlog.read[i] == x) {
eventlog.read[i] = eventlog.read[--eventlog.nread];
break;
}
}
if(x->flushed) {
if (x->flushed) {
qunlock(&eventlog.lk);
return;
}
@ -115,16 +109,14 @@ xfidlogread(Xfid *x)
free(p);
}
void
xfidlogflush(Xfid *x)
{
void xfidlogflush(Xfid* x) {
int i;
Xfid *rx;
Xfid* rx;
qlock(&eventlog.lk);
for(i=0; i<eventlog.nread; i++) {
for (i = 0; i < eventlog.nread; i++) {
rx = eventlog.read[i];
if(rx->fcall.tag == x->fcall.oldtag) {
if (rx->fcall.tag == x->fcall.oldtag) {
rx->flushed = TRUE;
rwakeupall(&eventlog.r);
}
@ -153,46 +145,47 @@ xfidlogflush(Xfid *x)
* op == "del" for deleted window
* - called from winclose
*/
void
xfidlog(Window *w, char *op)
{
void xfidlog(Window* w, char* op) {
int i, n;
vlong min;
File *f;
char *name;
File* f;
char* name;
qlock(&eventlog.lk);
if(eventlog.nev >= eventlog.mev) {
if (eventlog.nev >= eventlog.mev) {
// Remove and free any entries that all readers have read.
min = eventlog.start + eventlog.nev;
for(i=0; i<eventlog.nf; i++) {
if(min > eventlog.f[i]->logoff)
for (i = 0; i < eventlog.nf; i++) {
if (min > eventlog.f[i]->logoff)
min = eventlog.f[i]->logoff;
}
if(min > eventlog.start) {
if (min > eventlog.start) {
n = min - eventlog.start;
for(i=0; i<n; i++)
for (i = 0; i < n; i++)
free(eventlog.ev[i]);
eventlog.nev -= n;
eventlog.start += n;
memmove(eventlog.ev, eventlog.ev+n, eventlog.nev*sizeof eventlog.ev[0]);
memmove(
eventlog.ev,
eventlog.ev + n,
eventlog.nev * sizeof eventlog.ev[0]);
}
// Otherwise grow.
if(eventlog.nev >= eventlog.mev) {
eventlog.mev = eventlog.mev*2;
if(eventlog.mev == 0)
if (eventlog.nev >= eventlog.mev) {
eventlog.mev = eventlog.mev * 2;
if (eventlog.mev == 0)
eventlog.mev = 8;
eventlog.ev = erealloc(eventlog.ev, eventlog.mev*sizeof eventlog.ev[0]);
eventlog.ev = erealloc(eventlog.ev, eventlog.mev * sizeof eventlog.ev[0]);
}
}
f = w->body.file;
name = runetobyte(f->name, f->nname);
if(name == nil)
if (name == nil)
name = estrdup("");
eventlog.ev[eventlog.nev++] = smprint("%d %s %s\n", w->id, op, name);
free(name);
if(eventlog.r.l == nil)
if (eventlog.r.l == nil)
eventlog.r.l = &eventlog.lk;
rwakeupall(&eventlog.r);
qunlock(&eventlog.lk);

599
look.c

File diff suppressed because it is too large Load diff

View file

@ -7,23 +7,21 @@
#include <9pclient.h>
#include "dat.h"
char*
formathtml(char *body, int *np)
{
char* formathtml(char* body, int* np) {
int i, j, p[2], q[2];
Exec *e;
Exec* e;
char buf[1024];
Channel *sync;
Channel* sync;
e = emalloc(sizeof(struct Exec));
if(pipe(p) < 0 || pipe(q) < 0)
if (pipe(p) < 0 || pipe(q) < 0)
error("can't create pipe: %r");
e->p[0] = p[0];
e->p[1] = p[1];
e->q[0] = q[0];
e->q[1] = q[1];
e->argv = emalloc(3*sizeof(char*));
e->argv = emalloc(3 * sizeof(char*));
e->argv[0] = estrdup("htmlfmt");
e->argv[1] = estrdup("-cutf-8");
e->argv[2] = nil;
@ -35,7 +33,7 @@ formathtml(char *body, int *np)
close(p[0]);
close(q[1]);
if((i=write(p[1], body, *np)) != *np){
if ((i = write(p[1], body, *np)) != *np) {
fprint(2, "Mail: warning: htmlfmt failed: wrote %d of %d: %r\n", i, *np);
close(p[1]);
close(q[0]);
@ -46,14 +44,14 @@ formathtml(char *body, int *np)
free(body);
body = nil;
i = 0;
for(;;){
for (;;) {
j = read(q[0], buf, sizeof buf);
if(j <= 0)
if (j <= 0)
break;
body = realloc(body, i+j+1);
if(body == nil)
body = realloc(body, i + j + 1);
if (body == nil)
error("realloc failed: %r");
memmove(body+i, buf, j);
memmove(body + i, buf, j);
i += j;
body[i] = '\0';
}
@ -63,13 +61,11 @@ formathtml(char *body, int *np)
return body;
}
char*
readbody(char *type, char *dir, int *np)
{
char *body;
char* readbody(char* type, char* dir, int* np) {
char* body;
body = readfile(dir, "body", np);
if(body != nil && strcmp(type, "text/html") == 0)
if (body != nil && strcmp(type, "text/html") == 0)
return formathtml(body, np);
return body;
}

Binary file not shown.

View file

@ -7,25 +7,25 @@
#include <ctype.h>
#include "dat.h"
char *maildir = "Mail/"; /* mountpoint of mail file system */
char *mboxname = "mbox"; /* mailboxdir/mboxname is mail spool file */
char *mailboxdir = nil; /* nil == /mail/box/$user */
char *fsname; /* filesystem for mailboxdir/mboxname is at maildir/fsname */
char *user;
char *outgoing;
char *srvname;
char* maildir = "Mail/"; /* mountpoint of mail file system */
char* mboxname = "mbox"; /* mailboxdir/mboxname is mail spool file */
char* mailboxdir = nil; /* nil == /mail/box/$user */
char* fsname; /* filesystem for mailboxdir/mboxname is at maildir/fsname */
char* user;
char* outgoing;
char* srvname;
Window *wbox;
Window* wbox;
Message mbox;
Message replies;
char *home;
CFid *plumbsendfd;
CFid *plumbseemailfd;
CFid *plumbshowmailfd;
CFid *plumbsendmailfd;
Channel *cplumb;
Channel *cplumbshow;
Channel *cplumbsend;
char* home;
CFid* plumbsendfd;
CFid* plumbseemailfd;
CFid* plumbshowmailfd;
CFid* plumbsendmailfd;
Channel* cplumb;
Channel* cplumbshow;
Channel* cplumbsend;
int wctlfd;
void mainctl(void*);
void plumbproc(void*);
@ -37,44 +37,39 @@ void plumbsendthread(void*);
int shortmenu;
CFsys *mailfs;
CFsys *acmefs;
CFsys* mailfs;
CFsys* acmefs;
void
usage(void)
{
fprint(2, "usage: Mail [-sS] [-n srvname] [-o outgoing] [mailboxname [directoryname]]\n");
void usage(void) {
fprint(
2,
"usage: Mail [-sS] [-n srvname] [-o outgoing] [mailboxname "
"[directoryname]]\n");
threadexitsall("usage");
}
void
removeupasfs(void)
{
void removeupasfs(void) {
char buf[256];
if(strcmp(mboxname, "mbox") == 0)
if (strcmp(mboxname, "mbox") == 0)
return;
snprint(buf, sizeof buf, "close %s", mboxname);
fswrite(mbox.ctlfd, buf, strlen(buf));
}
int
ismaildir(char *s)
{
Dir *d;
int ismaildir(char* s) {
Dir* d;
int ret;
d = fsdirstat(mailfs, s);
if(d == nil)
if (d == nil)
return 0;
ret = d->qid.type & QTDIR;
free(d);
return ret;
}
void
threadmain(int argc, char *argv[])
{
void threadmain(int argc, char* argv[]) {
char *s, *name;
char err[ERRMAX], *cmd;
int i, newdir;
@ -83,17 +78,18 @@ threadmain(int argc, char *argv[])
doquote = needsrcquote;
quotefmtinstall();
/* open these early so we won't miss notification of new mail messages while we read mbox */
if((plumbsendfd = plumbopenfid("send", OWRITE|OCEXEC)) == nil)
/* open these early so we won't miss notification of new mail messages while
* we read mbox */
if ((plumbsendfd = plumbopenfid("send", OWRITE | OCEXEC)) == nil)
fprint(2, "warning: open plumb/send: %r\n");
if((plumbseemailfd = plumbopenfid("seemail", OREAD|OCEXEC)) == nil)
if ((plumbseemailfd = plumbopenfid("seemail", OREAD | OCEXEC)) == nil)
fprint(2, "warning: open plumb/seemail: %r\n");
if((plumbshowmailfd = plumbopenfid("showmail", OREAD|OCEXEC)) == nil)
if ((plumbshowmailfd = plumbopenfid("showmail", OREAD | OCEXEC)) == nil)
fprint(2, "warning: open plumb/showmail: %r\n");
shortmenu = 0;
srvname = "mail";
ARGBEGIN{
ARGBEGIN {
case 's':
shortmenu = 1;
break;
@ -111,41 +107,42 @@ threadmain(int argc, char *argv[])
break;
default:
usage();
}ARGEND
}
ARGEND
acmefs = nsmount("acme",nil);
if(acmefs == nil)
acmefs = nsmount("acme", nil);
if (acmefs == nil)
error("cannot mount acme: %r");
mailfs = nsmount(srvname, nil);
if(mailfs == nil)
if (mailfs == nil)
error("cannot mount %s: %r", srvname);
name = "mbox";
newdir = 1;
if(argc > 0){
if (argc > 0) {
i = strlen(argv[0]);
if(argc>2 || i==0)
if (argc > 2 || i == 0)
usage();
/* see if the name is that of an existing /mail/fs directory */
if(argc==1 && argv[0][0] != '/' && ismaildir(argv[0])){
if (argc == 1 && argv[0][0] != '/' && ismaildir(argv[0])) {
name = argv[0];
mboxname = estrdup(name);
newdir = 0;
}else{
if(argv[0][i-1] == '/')
argv[0][i-1] = '\0';
} else {
if (argv[0][i - 1] == '/')
argv[0][i - 1] = '\0';
s = strrchr(argv[0], '/');
if(s == nil)
if (s == nil)
mboxname = estrdup(argv[0]);
else{
else {
*s++ = '\0';
if(*s == '\0')
if (*s == '\0')
usage();
mailboxdir = argv[0];
mboxname = estrdup(s);
}
if(argc > 1)
if (argc > 1)
name = argv[1];
else
name = mboxname;
@ -153,64 +150,65 @@ threadmain(int argc, char *argv[])
}
user = getenv("user");
if(user == nil)
if (user == nil)
user = "none";
home = getenv("home");
if(home == nil)
if (home == nil)
home = getenv("HOME");
if(home == nil)
if (home == nil)
error("can't find $home");
if(mailboxdir == nil)
if (mailboxdir == nil)
mailboxdir = estrstrdup(home, "/mail");
if(outgoing == nil)
if (outgoing == nil)
outgoing = estrstrdup(mailboxdir, "/outgoing");
mbox.ctlfd = fsopen(mailfs, estrstrdup(mboxname, "/ctl"), OWRITE);
if(mbox.ctlfd == nil)
if (mbox.ctlfd == nil)
error("can't open %s: %r", estrstrdup(mboxname, "/ctl"));
fsname = estrdup(name);
if(newdir && argc > 0){
s = emalloc(5+strlen(mailboxdir)+strlen(mboxname)+strlen(name)+10+1);
for(i=0; i<10; i++){
if (newdir && argc > 0) {
s = emalloc(
5 + strlen(mailboxdir) + strlen(mboxname) + strlen(name) + 10 + 1);
for (i = 0; i < 10; i++) {
sprint(s, "open %s/%s %s", mailboxdir, mboxname, fsname);
if(fswrite(mbox.ctlfd, s, strlen(s)) >= 0)
if (fswrite(mbox.ctlfd, s, strlen(s)) >= 0)
break;
err[0] = '\0';
errstr(err, sizeof err);
if(strstr(err, "mbox name in use") == nil)
if (strstr(err, "mbox name in use") == nil)
error("can't create directory %s for mail: %s", name, err);
free(fsname);
fsname = emalloc(strlen(name)+10);
fsname = emalloc(strlen(name) + 10);
sprint(fsname, "%s-%d", name, i);
}
if(i == 10)
if (i == 10)
error("can't open %s/%s: %r", mailboxdir, mboxname);
free(s);
}
s = estrstrdup(fsname, "/");
mbox.name = estrstrdup(maildir, s);
mbox.level= 0;
mbox.level = 0;
readmbox(&mbox, maildir, s);
home = getenv("home");
if(home == nil)
if (home == nil)
home = "/";
wbox = newwindow();
winname(wbox, mbox.name);
wintagwrite(wbox, "Put Mail Delmesg ", 3+1+4+1+7+1);
wintagwrite(wbox, "Put Mail Delmesg ", 3 + 1 + 4 + 1 + 7 + 1);
threadcreate(mainctl, wbox, STACK);
fmtstrinit(&fmt);
fmtprint(&fmt, "Mail");
if(shortmenu)
fmtprint(&fmt, " -%c", "sS"[shortmenu-1]);
if(outgoing)
if (shortmenu)
fmtprint(&fmt, " -%c", "sS"[shortmenu - 1]);
if (outgoing)
fmtprint(&fmt, " -o %s", outgoing);
fmtprint(&fmt, " %s", name);
cmd = fmtstrflush(&fmt);
if(cmd == nil)
if (cmd == nil)
sysfatal("out of memory");
winsetdump(wbox, "/acme/mail", cmd);
mbox.w = wbox;
@ -218,16 +216,16 @@ threadmain(int argc, char *argv[])
mesgmenu(wbox, &mbox);
winclean(wbox);
/* wctlfd = open("/dev/wctl", OWRITE|OCEXEC); /* for acme window */
/* wctlfd = open("/dev/wctl", OWRITE|OCEXEC); /* for acme window */
wctlfd = -1;
cplumb = chancreate(sizeof(Plumbmsg*), 0);
cplumbshow = chancreate(sizeof(Plumbmsg*), 0);
if(strcmp(name, "mbox") == 0){
if (strcmp(name, "mbox") == 0) {
/*
* Avoid creating multiple windows to send mail by only accepting
* sendmail plumb messages if we're reading the main mailbox.
*/
plumbsendmailfd = plumbopenfid("sendmail", OREAD|OCEXEC);
plumbsendmailfd = plumbopenfid("sendmail", OREAD | OCEXEC);
cplumbsend = chancreate(sizeof(Plumbmsg*), 0);
proccreate(plumbsendproc, nil, STACK);
threadcreate(plumbsendthread, nil, STACK);
@ -241,120 +239,106 @@ threadmain(int argc, char *argv[])
plumbthread();
}
void
plumbproc(void* v)
{
Plumbmsg *m;
void plumbproc(void* v) {
Plumbmsg* m;
threadsetname("plumbproc");
for(;;){
for (;;) {
m = plumbrecvfid(plumbseemailfd);
sendp(cplumb, m);
if(m == nil)
if (m == nil)
threadexits(nil);
}
}
void
plumbshowproc(void* v)
{
Plumbmsg *m;
void plumbshowproc(void* v) {
Plumbmsg* m;
threadsetname("plumbshowproc");
for(;;){
for (;;) {
m = plumbrecvfid(plumbshowmailfd);
sendp(cplumbshow, m);
if(m == nil)
if (m == nil)
threadexits(nil);
}
}
void
plumbsendproc(void* v)
{
Plumbmsg *m;
void plumbsendproc(void* v) {
Plumbmsg* m;
threadsetname("plumbsendproc");
for(;;){
for (;;) {
m = plumbrecvfid(plumbsendmailfd);
sendp(cplumbsend, m);
if(m == nil)
if (m == nil)
threadexits(nil);
}
}
void
newmesg(char *name, char *digest)
{
Dir *d;
void newmesg(char* name, char* digest) {
Dir* d;
if(strncmp(name, mbox.name, strlen(mbox.name)) != 0)
if (strncmp(name, mbox.name, strlen(mbox.name)) != 0)
return; /* message is about another mailbox */
if(mesglookupfile(&mbox, name, digest) != nil)
if (mesglookupfile(&mbox, name, digest) != nil)
return;
if(strncmp(name, "Mail/", 5) == 0)
if (strncmp(name, "Mail/", 5) == 0)
name += 5;
d = fsdirstat(mailfs, name);
if(d == nil)
if (d == nil)
return;
if(mesgadd(&mbox, mbox.name, d, digest))
if (mesgadd(&mbox, mbox.name, d, digest))
mesgmenunew(wbox, &mbox);
free(d);
}
void
showmesg(char *name, char *digest)
{
char *n;
char *mb;
void showmesg(char* name, char* digest) {
char* n;
char* mb;
mb = mbox.name;
if(strncmp(name, mb, strlen(mb)) != 0)
if (strncmp(name, mb, strlen(mb)) != 0)
return; /* message is about another mailbox */
n = estrdup(name+strlen(mb));
if(n[strlen(n)-1] != '/')
n = estrdup(name + strlen(mb));
if (n[strlen(n) - 1] != '/')
n = egrow(n, "/", nil);
mesgopen(&mbox, mbox.name, name+strlen(mb), nil, 1, digest);
mesgopen(&mbox, mbox.name, name + strlen(mb), nil, 1, digest);
free(n);
}
void
delmesg(char *name, char *digest, int dodel, char *save)
{
Message *m;
void delmesg(char* name, char* digest, int dodel, char* save) {
Message* m;
m = mesglookupfile(&mbox, name, digest);
if(m != nil){
if(save)
if (m != nil) {
if (save)
mesgcommand(m, estrstrdup("Save ", save));
if(dodel)
if (dodel)
mesgmenumarkdel(wbox, &mbox, m, 1);
else{
else {
/* notification came from plumber - message is gone */
mesgmenudel(wbox, &mbox, m);
if(!m->opened)
if (!m->opened)
mesgdel(&mbox, m);
}
}
}
void
plumbthread(void)
{
Plumbmsg *m;
Plumbattr *a;
void plumbthread(void) {
Plumbmsg* m;
Plumbattr* a;
char *type, *digest;
threadsetname("plumbthread");
while((m = recvp(cplumb)) != nil){
while ((m = recvp(cplumb)) != nil) {
a = m->attr;
digest = plumblookup(a, "digest");
type = plumblookup(a, "mailtype");
if(type == nil)
if (type == nil)
fprint(2, "Mail: plumb message with no mailtype attribute\n");
else if(strcmp(type, "new") == 0)
else if (strcmp(type, "new") == 0)
newmesg(m->data, digest);
else if(strcmp(type, "delete") == 0)
else if (strcmp(type, "delete") == 0)
delmesg(m->data, digest, 0, nil);
else
fprint(2, "Mail: unknown plumb attribute %s\n", type);
@ -363,116 +347,111 @@ plumbthread(void)
threadexits(nil);
}
void
plumbshowthread(void *v)
{
Plumbmsg *m;
void plumbshowthread(void* v) {
Plumbmsg* m;
USED(v);
threadsetname("plumbshowthread");
while((m = recvp(cplumbshow)) != nil){
while ((m = recvp(cplumbshow)) != nil) {
showmesg(m->data, plumblookup(m->attr, "digest"));
plumbfree(m);
}
threadexits(nil);
}
void
plumbsendthread(void *v)
{
Plumbmsg *m;
void plumbsendthread(void* v) {
Plumbmsg* m;
USED(v);
threadsetname("plumbsendthread");
while((m = recvp(cplumbsend)) != nil){
while ((m = recvp(cplumbsend)) != nil) {
mkreply(nil, "Mail", m->data, m->attr, nil);
plumbfree(m);
}
threadexits(nil);
}
int
mboxcommand(Window *w, char *s)
{
int mboxcommand(Window* w, char* s) {
char *args[10], **targs, *save;
Window *sbox;
Window* sbox;
Message *m, *next;
int ok, nargs, i, j;
CFid *searchfd;
CFid* searchfd;
char buf[128], *res;
nargs = tokenize(s, args, nelem(args));
if(nargs == 0)
if (nargs == 0)
return 0;
if(strcmp(args[0], "Mail") == 0){
if(nargs == 1)
if (strcmp(args[0], "Mail") == 0) {
if (nargs == 1)
mkreply(nil, "Mail", "", nil, nil);
else
mkreply(nil, "Mail", args[1], nil, nil);
return 1;
}
if(strcmp(s, "Del") == 0){
if(mbox.dirty){
if (strcmp(s, "Del") == 0) {
if (mbox.dirty) {
mbox.dirty = 0;
fprint(2, "mail: mailbox not written\n");
return 1;
}
if(w != mbox.w){
if (w != mbox.w) {
windel(w, 1);
return 1;
}
ok = 1;
for(m=mbox.head; m!=nil; m=next){
for (m = mbox.head; m != nil; m = next) {
next = m->next;
if(m->w){
if(windel(m->w, 0))
if (m->w) {
if (windel(m->w, 0))
m->w = nil;
else
ok = 0;
}
}
for(m=replies.head; m!=nil; m=next){
for (m = replies.head; m != nil; m = next) {
next = m->next;
if(m->w){
if(windel(m->w, 0))
if (m->w) {
if (windel(m->w, 0))
m->w = nil;
else
ok = 0;
}
}
if(ok){
if (ok) {
windel(w, 1);
removeupasfs();
threadexitsall(nil);
}
return 1;
}
if(strcmp(s, "Put") == 0){
if (strcmp(s, "Put") == 0) {
rewritembox(wbox, &mbox);
return 1;
}
if(strcmp(s, "Get") == 0){
if (strcmp(s, "Get") == 0) {
fswrite(mbox.ctlfd, "refresh", 7);
return 1;
}
if(strcmp(s, "Delmesg") == 0){
if (strcmp(s, "Delmesg") == 0) {
save = nil;
if(nargs > 1)
if (nargs > 1)
save = args[1];
s = winselection(w);
if(s == nil)
if (s == nil)
return 1;
nargs = 1;
for(i=0; s[i]; i++)
if(s[i] == '\n')
for (i = 0; s[i]; i++)
if (s[i] == '\n')
nargs++;
targs = emalloc(nargs*sizeof(char*)); /* could be too many for a local array */
targs =
emalloc(nargs * sizeof(char*)); /* could be too many for a local array */
nargs = getfields(s, targs, nargs, 1, "\n");
for(i=0; i<nargs; i++){
if(!isdigit(targs[i][0]))
for (i = 0; i < nargs; i++) {
if (!isdigit(targs[i][0]))
continue;
j = atoi(targs[i]); /* easy way to parse the number! */
if(j == 0)
if (j == 0)
continue;
snprint(buf, sizeof buf, "%s%d", mbox.name, j);
delmesg(buf, nil, 1, save);
@ -481,20 +460,20 @@ mboxcommand(Window *w, char *s)
free(targs);
return 1;
}
if(strcmp(s, "Search") == 0){
if(nargs <= 1)
if (strcmp(s, "Search") == 0) {
if (nargs <= 1)
return 1;
s = estrstrdup(mboxname, "/search");
searchfd = fsopen(mailfs, s, ORDWR);
if(searchfd == nil)
if (searchfd == nil)
return 1;
save = estrdup(args[1]);
for(i=2; i<nargs; i++)
for (i = 2; i < nargs; i++)
save = eappend(save, " ", args[i]);
fswrite(searchfd, save, strlen(save));
fsseek(searchfd, 0, 0);
j = fsread(searchfd, buf, sizeof buf - 1);
if(j == 0){
if (j == 0) {
fprint(2, "[%s] search %s: no results found\n", mboxname, save);
fsclose(searchfd);
free(save);
@ -504,7 +483,7 @@ mboxcommand(Window *w, char *s)
buf[j] = '\0';
res = estrdup(buf);
j = fsread(searchfd, buf, sizeof buf - 1);
for(; j != 0; j = fsread(searchfd, buf, sizeof buf - 1), buf[j] = '\0')
for (; j != 0; j = fsread(searchfd, buf, sizeof buf - 1), buf[j] = '\0')
res = eappend(res, "", buf);
fsclose(searchfd);
@ -517,16 +496,18 @@ mboxcommand(Window *w, char *s)
/* show results in reverse order */
m = mbox.tail;
save = nil;
for(s=strrchr(res, ' '); s!=nil || save!=res; s=strrchr(res, ' ')){
if(s != nil){
save = s+1;
for (s = strrchr(res, ' '); s != nil || save != res;
s = strrchr(res, ' ')) {
if (s != nil) {
save = s + 1;
*s = '\0';
}
else save = res;
} else
save = res;
save = estrstrdup(save, "/");
for(; m && strcmp(save, m->name) != 0; m=m->prev);
for (; m && strcmp(save, m->name) != 0; m = m->prev)
;
free(save);
if(m == nil)
if (m == nil)
break;
fsprint(sbox->body, "%s%s\n", m->name, info(m, 0, 0));
m = m->prev;
@ -539,10 +520,8 @@ mboxcommand(Window *w, char *s)
return 0;
}
void
mainctl(void *v)
{
Window *w;
void mainctl(void* v) {
Window* w;
Event *e, *e2, *eq, *ea;
int na, nopen;
char *s, *t, *buf;
@ -551,9 +530,9 @@ mainctl(void *v)
winincref(w);
proccreate(wineventproc, w, STACK);
for(;;){
for (;;) {
e = recvp(w->cevent);
switch(e->c1){
switch (e->c1) {
default:
Unknown:
print("unknown message %c%c\n", e->c1, e->c2);
@ -569,32 +548,32 @@ mainctl(void *v)
break;
case 'M':
switch(e->c2){
switch (e->c2) {
case 'x':
case 'X':
ea = nil;
e2 = nil;
if(e->flag & 2)
if (e->flag & 2)
e2 = recvp(w->cevent);
if(e->flag & 8){
if (e->flag & 8) {
ea = recvp(w->cevent);
na = ea->nb;
recvp(w->cevent);
}else
} else
na = 0;
s = e->b;
/* if it's a known command, do it */
if((e->flag&2) && e->nb==0)
if ((e->flag & 2) && e->nb == 0)
s = e2->b;
if(na){
t = emalloc(strlen(s)+1+na+1);
if (na) {
t = emalloc(strlen(s) + 1 + na + 1);
sprint(t, "%s %s", s, ea->b);
s = t;
}
/* if it's a long message, it can't be for us anyway */
if(!mboxcommand(w, s)) /* send it back */
if (!mboxcommand(w, s)) /* send it back */
winwriteevent(w, e);
if(na)
if (na)
free(s);
break;
@ -602,29 +581,29 @@ mainctl(void *v)
case 'L':
buf = nil;
eq = e;
if(e->flag & 2){
if (e->flag & 2) {
e2 = recvp(w->cevent);
eq = e2;
}
s = eq->b;
if(eq->q1>eq->q0 && eq->nb==0){
buf = emalloc((eq->q1-eq->q0)*UTFmax+1);
if (eq->q1 > eq->q0 && eq->nb == 0) {
buf = emalloc((eq->q1 - eq->q0) * UTFmax + 1);
winread(w, eq->q0, eq->q1, buf);
s = buf;
}
nopen = 0;
do{
do {
/* skip 'deleted' string if present' */
if(strncmp(s, deleted, strlen(deleted)) == 0)
if (strncmp(s, deleted, strlen(deleted)) == 0)
s += strlen(deleted);
/* skip mail box name if present */
if(strncmp(s, mbox.name, strlen(mbox.name)) == 0)
if (strncmp(s, mbox.name, strlen(mbox.name)) == 0)
s += strlen(mbox.name);
nopen += mesgopen(&mbox, mbox.name, s, nil, 0, nil);
while(*s!='\0' && *s++!='\n')
while (*s != '\0' && *s++ != '\n')
;
}while(*s);
if(nopen == 0) /* send it back */
} while (*s);
if (nopen == 0) /* send it back */
winwriteevent(w, e);
free(buf);
break;
@ -641,4 +620,3 @@ mainctl(void *v)
}
}
}

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@ -9,56 +9,56 @@
static int replyid;
int
quote(Message *m, CFid *fid, char *dir, char *quotetext)
{
int quote(Message* m, CFid* fid, char* dir, char* quotetext) {
char *body, *type;
int i, n, nlines;
char **lines;
char** lines;
if(quotetext){
if (quotetext) {
body = quotetext;
n = strlen(body);
type = nil;
}else{
} else {
/* look for first textual component to quote */
type = readfile(dir, "type", &n);
if(type == nil){
if (type == nil) {
print("no type in %s\n", dir);
return 0;
}
if(strncmp(type, "multipart/", 10)==0 || strncmp(type, "message/", 8)==0){
if (
strncmp(type, "multipart/", 10) == 0 ||
strncmp(type, "message/", 8) == 0) {
dir = estrstrdup(dir, "1/");
if(quote(m, fid, dir, nil)){
if (quote(m, fid, dir, nil)) {
free(type);
free(dir);
return 1;
}
free(dir);
}
if(strncmp(type, "text", 4) != 0){
if (strncmp(type, "text", 4) != 0) {
free(type);
return 0;
}
body = readbody(m->type, dir, &n);
if(body == nil)
if (body == nil)
return 0;
}
nlines = 0;
for(i=0; i<n; i++)
if(body[i] == '\n')
for (i = 0; i < n; i++)
if (body[i] == '\n')
nlines++;
nlines++;
lines = emalloc(nlines*sizeof(char*));
lines = emalloc(nlines * sizeof(char*));
nlines = getfields(body, lines, nlines, 0, "\n");
/* delete leading and trailing blank lines */
i = 0;
while(i<nlines && lines[i][0]=='\0')
while (i < nlines && lines[i][0] == '\0')
i++;
while(i<nlines && lines[nlines-1][0]=='\0')
while (i < nlines && lines[nlines - 1][0] == '\0')
nlines--;
while(i < nlines){
fsprint(fid, ">%s%s\n", lines[i][0]=='>'? "" : " ", lines[i]);
while (i < nlines) {
fsprint(fid, ">%s%s\n", lines[i][0] == '>' ? "" : " ", lines[i]);
i++;
}
free(lines);
@ -67,21 +67,20 @@ quote(Message *m, CFid *fid, char *dir, char *quotetext)
return 1;
}
void
mkreply(Message *m, char *label, char *to, Plumbattr *attr, char *quotetext)
{
void mkreply(
Message* m, char* label, char* to, Plumbattr* attr, char* quotetext) {
char buf[100];
CFid *fd;
Message *r;
CFid* fd;
Message* r;
char *dir, *t;
int quotereply;
Plumbattr *a;
Plumbattr* a;
quotereply = (label[0] == 'Q');
if(quotereply && m && m->replywinid > 0){
if (quotereply && m && m->replywinid > 0) {
snprint(buf, sizeof buf, "%d/body", m->replywinid);
if((fd = fsopen(acmefs, buf, OWRITE)) != nil){
if ((fd = fsopen(acmefs, buf, OWRITE)) != nil) {
dir = estrstrdup(mbox.name, m->name);
quote(m, fd, dir, quotetext);
free(dir);
@ -91,67 +90,69 @@ mkreply(Message *m, char *label, char *to, Plumbattr *attr, char *quotetext)
r = emalloc(sizeof(Message));
r->isreply = 1;
if(m != nil)
if (m != nil)
r->replyname = estrdup(m->name);
r->next = replies.head;
r->prev = nil;
if(replies.head != nil)
if (replies.head != nil)
replies.head->prev = r;
replies.head = r;
if(replies.tail == nil)
if (replies.tail == nil)
replies.tail = r;
r->name = emalloc(strlen(mbox.name)+strlen(label)+10);
r->name = emalloc(strlen(mbox.name) + strlen(label) + 10);
sprint(r->name, "%s%s%d", mbox.name, label, ++replyid);
r->w = newwindow();
if(m)
if (m)
m->replywinid = r->w->id;
winname(r->w, r->name);
ctlprint(r->w->ctl, "cleartag");
wintagwrite(r->w, "fmt Look Post Undo", 4+5+5+4);
wintagwrite(r->w, "fmt Look Post Undo", 4 + 5 + 5 + 4);
r->tagposted = 1;
threadcreate(mesgctl, r, STACK);
winopenbody(r->w, OWRITE);
if(to!=nil && to[0]!='\0')
if (to != nil && to[0] != '\0')
fsprint(r->w->body, "%s\n", to);
for(a=attr; a; a=a->next)
for (a = attr; a; a = a->next)
fsprint(r->w->body, "%s: %s\n", a->name, a->value);
dir = nil;
if(m != nil){
if (m != nil) {
dir = estrstrdup(mbox.name, m->name);
if(to == nil && attr == nil){
if (to == nil && attr == nil) {
/* Reply goes to replyto; Reply all goes to From and To and CC */
if(strstr(label, "all") == nil)
if (strstr(label, "all") == nil)
fsprint(r->w->body, "To: %s\n", m->replyto);
else{ /* Replyall */
if(strlen(m->from) > 0)
else { /* Replyall */
if (strlen(m->from) > 0)
fsprint(r->w->body, "To: %s\n", m->from);
if(strlen(m->to) > 0)
if (strlen(m->to) > 0)
fsprint(r->w->body, "To: %s\n", m->to);
if(strlen(m->cc) > 0)
if (strlen(m->cc) > 0)
fsprint(r->w->body, "CC: %s\n", m->cc);
}
}
if(strlen(m->subject) > 0){
if (strlen(m->subject) > 0) {
t = "Subject: Re: ";
if(strlen(m->subject) >= 3)
if(tolower(m->subject[0])=='r' && tolower(m->subject[1])=='e' && m->subject[2]==':')
if (strlen(m->subject) >= 3)
if (
tolower(m->subject[0]) == 'r' && tolower(m->subject[1]) == 'e' &&
m->subject[2] == ':')
t = "Subject: ";
fsprint(r->w->body, "%s%s\n", t, m->subject);
}
if(!quotereply){
if (!quotereply) {
fsprint(r->w->body, "Include: %sraw\n", dir);
free(dir);
}
}
fsprint(r->w->body, "\n");
if(m == nil)
if (m == nil)
fsprint(r->w->body, "\n");
else if(quotereply){
else if (quotereply) {
quote(m, r->w->body, dir, quotetext);
free(dir);
}
winclosebody(r->w);
if(m==nil && (to==nil || to[0]=='\0'))
if (m == nil && (to == nil || to[0] == '\0'))
winselect(r->w, "0", 0);
else
winselect(r->w, "$", 0);
@ -159,14 +160,12 @@ mkreply(Message *m, char *label, char *to, Plumbattr *attr, char *quotetext)
windormant(r->w);
}
void
delreply(Message *m)
{
if(m->next == nil)
void delreply(Message* m) {
if (m->next == nil)
replies.tail = m->prev;
else
m->next->prev = m->prev;
if(m->prev == nil)
if (m->prev == nil)
replies.head = m->next;
else
m->prev->next = m->next;
@ -174,20 +173,19 @@ delreply(Message *m)
free(m);
}
/* copy argv to stack and free the incoming strings, so we don't leak argument vectors */
void
buildargv(char **inargv, char *argv[NARGS+1], char args[NARGCHAR])
{
/* copy argv to stack and free the incoming strings, so we don't leak argument
* vectors */
void buildargv(char** inargv, char* argv[NARGS + 1], char args[NARGCHAR]) {
int i, n;
char *s, *a;
s = args;
for(i=0; i<NARGS; i++){
for (i = 0; i < NARGS; i++) {
a = inargv[i];
if(a == nil)
if (a == nil)
break;
n = strlen(a)+1;
if((s-args)+n >= NARGCHAR) /* too many characters */
n = strlen(a) + 1;
if ((s - args) + n >= NARGCHAR) /* too many characters */
break;
argv[i] = s;
memmove(s, a, n);
@ -197,13 +195,11 @@ buildargv(char **inargv, char *argv[NARGS+1], char args[NARGCHAR])
argv[i] = nil;
}
void
execproc(void *v)
{
struct Exec *e;
void execproc(void* v) {
struct Exec* e;
int p[2], q[2];
char *prog;
char *argv[NARGS+1], args[NARGCHAR];
char* prog;
char *argv[NARGS + 1], args[NARGCHAR];
int fd[3];
e = v;
@ -214,7 +210,7 @@ execproc(void *v)
prog = e->prog; /* known not to be malloc'ed */
fd[0] = dup(p[0], -1);
if(q[0])
if (q[0])
fd[1] = dup(q[1], -1);
else
fd[1] = dup(1, -1);
@ -234,76 +230,53 @@ execproc(void *v)
threadexits("can't exec");
}
enum{
ATTACH,
BCC,
CC,
FROM,
INCLUDE,
TO
};
enum { ATTACH, BCC, CC, FROM, INCLUDE, TO };
char *headers[] = {
"attach:",
"bcc:",
"cc:",
"from:",
"include:",
"to:",
nil
};
char* headers[] = {"attach:", "bcc:", "cc:", "from:", "include:", "to:", nil};
int
whichheader(char *h)
{
int whichheader(char* h) {
int i;
for(i=0; headers[i]!=nil; i++)
if(cistrcmp(h, headers[i]) == 0)
for (i = 0; headers[i] != nil; i++)
if (cistrcmp(h, headers[i]) == 0)
return i;
return -1;
}
char *tolist[200];
char *cclist[200];
char *bcclist[200];
char* tolist[200];
char* cclist[200];
char* bcclist[200];
int ncc, nbcc, nto;
char *attlist[200];
char* attlist[200];
char included[200];
int
addressed(char *name)
{
int addressed(char* name) {
int i;
for(i=0; i<nto; i++)
if(strcmp(name, tolist[i]) == 0)
for (i = 0; i < nto; i++)
if (strcmp(name, tolist[i]) == 0)
return 1;
for(i=0; i<ncc; i++)
if(strcmp(name, cclist[i]) == 0)
for (i = 0; i < ncc; i++)
if (strcmp(name, cclist[i]) == 0)
return 1;
for(i=0; i<nbcc; i++)
if(strcmp(name, bcclist[i]) == 0)
for (i = 0; i < nbcc; i++)
if (strcmp(name, bcclist[i]) == 0)
return 1;
return 0;
}
char*
skipbl(char *s, char *e)
{
while(s < e){
if(*s!=' ' && *s!='\t' && *s!=',')
char* skipbl(char* s, char* e) {
while (s < e) {
if (*s != ' ' && *s != '\t' && *s != ',')
break;
s++;
}
return s;
}
char*
findbl(char *s, char *e)
{
while(s < e){
if(*s==' ' || *s=='\t' || *s==',')
char* findbl(char* s, char* e) {
while (s < e) {
if (*s == ' ' || *s == '\t' || *s == ',')
break;
s++;
}
@ -311,75 +284,70 @@ findbl(char *s, char *e)
}
/*
* comma-separate possibly blank-separated strings in line; e points before newline
* comma-separate possibly blank-separated strings in line; e points before
* newline
*/
void
commas(char *s, char *e)
{
char *t;
void commas(char* s, char* e) {
char* t;
/* may have initial blanks */
s = skipbl(s, e);
while(s < e){
while (s < e) {
s = findbl(s, e);
if(s == e)
if (s == e)
break;
t = skipbl(s, e);
if(t == e) /* no more words */
if (t == e) /* no more words */
break;
/* patch comma */
*s++ = ',';
while(s < t)
while (s < t)
*s++ = ' ';
}
}
int
print2(int fd, int ofd, char *fmt, ...)
{
int print2(int fd, int ofd, char* fmt, ...) {
int m, n;
char *s;
char* s;
va_list arg;
va_start(arg, fmt);
s = vsmprint(fmt, arg);
va_end(arg);
if(s == nil)
if (s == nil)
return -1;
m = strlen(s);
n = write(fd, s, m);
if(ofd > 0)
if (ofd > 0)
write(ofd, s, m);
return n;
}
void
write2(int fd, int ofd, char *buf, int n, int nofrom)
{
void write2(int fd, int ofd, char* buf, int n, int nofrom) {
char *from, *p;
int m;
write(fd, buf, n);
if(ofd <= 0)
if (ofd <= 0)
return;
if(nofrom == 0){
if (nofrom == 0) {
write(ofd, buf, n);
return;
}
/* need to escape leading From lines to avoid corrupting 'outgoing' mailbox */
for(p=buf; *p; p+=m){
for (p = buf; *p; p += m) {
from = cistrstr(p, "from");
if(from == nil)
if (from == nil)
m = n;
else
m = from - p;
if(m > 0)
if (m > 0)
write(ofd, p, m);
if(from){
if(p==buf || from[-1]=='\n')
if (from) {
if (p == buf || from[-1] == '\n')
write(ofd, " ", 1); /* escape with space if From is at start of line */
write(ofd, from, 4);
m += 4;
@ -388,13 +356,11 @@ write2(int fd, int ofd, char *buf, int n, int nofrom)
}
}
void
mesgsend(Message *m)
{
void mesgsend(Message* m) {
char *s, *body, *to;
int i, j, h, n, natt, p[2];
struct Exec *e;
Channel *sync;
struct Exec* e;
Channel* sync;
int first, nfld, delit, ofd;
char *copy, *fld[100], *now;
@ -406,83 +372,83 @@ mesgsend(Message *m)
nbcc = 0;
first = 1;
to = body;
for(;;){
for(s=to; *s!='\n'; s++)
if(*s == '\0'){
for (;;) {
for (s = to; *s != '\n'; s++)
if (*s == '\0') {
free(body);
return;
}
if(s++ == to) /* blank line */
if (s++ == to) /* blank line */
break;
/* make copy of line to tokenize */
copy = emalloc(s-to);
memmove(copy, to, s-to);
copy[s-to-1] = '\0';
copy = emalloc(s - to);
memmove(copy, to, s - to);
copy[s - to - 1] = '\0';
nfld = tokenizec(copy, fld, nelem(fld), ", \t");
if(nfld == 0){
if (nfld == 0) {
free(copy);
break;
}
n -= s-to;
switch(h = whichheader(fld[0])){
n -= s - to;
switch (h = whichheader(fld[0])) {
case TO:
case FROM:
delit = 1;
commas(to+strlen(fld[0]), s-1);
for(i=1; i<nfld && nto<nelem(tolist); i++)
if(!addressed(fld[i]))
commas(to + strlen(fld[0]), s - 1);
for (i = 1; i < nfld && nto < nelem(tolist); i++)
if (!addressed(fld[i]))
tolist[nto++] = estrdup(fld[i]);
break;
case BCC:
delit = 1;
commas(to+strlen(fld[0]), s-1);
for(i=1; i<nfld && nbcc<nelem(bcclist); i++)
if(!addressed(fld[i]))
commas(to + strlen(fld[0]), s - 1);
for (i = 1; i < nfld && nbcc < nelem(bcclist); i++)
if (!addressed(fld[i]))
bcclist[nbcc++] = estrdup(fld[i]);
break;
case CC:
delit = 1;
commas(to+strlen(fld[0]), s-1);
for(i=1; i<nfld && ncc<nelem(cclist); i++)
if(!addressed(fld[i]))
commas(to + strlen(fld[0]), s - 1);
for (i = 1; i < nfld && ncc < nelem(cclist); i++)
if (!addressed(fld[i]))
cclist[ncc++] = estrdup(fld[i]);
break;
case ATTACH:
case INCLUDE:
delit = 1;
for(i=1; i<nfld && natt<nelem(attlist); i++){
for (i = 1; i < nfld && natt < nelem(attlist); i++) {
attlist[natt] = estrdup(fld[i]);
included[natt++] = (h == INCLUDE);
}
break;
default:
if(first){
if (first) {
delit = 1;
for(i=0; i<nfld && nto<nelem(tolist); i++)
for (i = 0; i < nfld && nto < nelem(tolist); i++)
tolist[nto++] = estrdup(fld[i]);
}else /* ignore it */
} else /* ignore it */
delit = 0;
break;
}
if(delit){
if (delit) {
/* delete line from body */
memmove(to, s, n+1);
}else
memmove(to, s, n + 1);
} else
to = s;
free(copy);
first = 0;
}
ofd = open(outgoing, OWRITE|OCEXEC); /* no error check necessary */
if(ofd > 0){
ofd = open(outgoing, OWRITE | OCEXEC); /* no error check necessary */
if (ofd > 0) {
/* From dhog Fri Aug 24 22:13:00 EDT 2001 */
now = ctime(time(0));
seek(ofd, 0, 2);
fprint(ofd, "From %s %s", user, now);
fprint(ofd, "From: %s\n", user);
fprint(ofd, "Date: %s", now);
for(i=0; i<natt; i++)
if(included[i])
for (i = 0; i < natt; i++)
if (included[i])
fprint(ofd, "Include: %s\n", attlist[i]);
else
fprint(ofd, "Attach: %s\n", attlist[i]);
@ -492,21 +458,21 @@ mesgsend(Message *m)
}
e = emalloc(sizeof(struct Exec));
if(pipe(p) < 0)
if (pipe(p) < 0)
error("can't create pipe: %r");
e->p[0] = p[0];
e->p[1] = p[1];
e->prog = unsharp("#9/bin/upas/marshal");
e->argv = emalloc((1+1+2+4*natt+1)*sizeof(char*));
e->argv = emalloc((1 + 1 + 2 + 4 * natt + 1) * sizeof(char*));
e->argv[0] = estrdup("marshal");
e->argv[1] = estrdup("-8");
j = 2;
if(m->replyname){
if (m->replyname) {
e->argv[j++] = estrdup("-R");
e->argv[j++] = estrstrdup(mbox.name, m->replyname);
}
for(i=0; i<natt; i++){
if(included[i])
for (i = 0; i < natt; i++) {
if (included[i])
e->argv[j++] = estrdup("-A");
else
e->argv[j++] = estrdup("-a");
@ -519,55 +485,55 @@ mesgsend(Message *m)
/* close(p[0]); */
/* using marshal -8, so generate rfc822 headers */
if(nto > 0){
if (nto > 0) {
print2(p[1], ofd, "To: ");
for(i=0; i<nto-1; i++)
for (i = 0; i < nto - 1; i++)
print2(p[1], ofd, "%s, ", tolist[i]);
print2(p[1], ofd, "%s\n", tolist[i]);
}
if(ncc > 0){
if (ncc > 0) {
print2(p[1], ofd, "CC: ");
for(i=0; i<ncc-1; i++)
for (i = 0; i < ncc - 1; i++)
print2(p[1], ofd, "%s, ", cclist[i]);
print2(p[1], ofd, "%s\n", cclist[i]);
}
if(nbcc > 0){
if (nbcc > 0) {
print2(p[1], ofd, "BCC: ");
for(i=0; i<nbcc-1; i++)
for (i = 0; i < nbcc - 1; i++)
print2(p[1], ofd, "%s, ", bcclist[i]);
print2(p[1], ofd, "%s\n", bcclist[i]);
}
i = strlen(body);
if(i > 0)
if (i > 0)
write2(p[1], ofd, body, i, 1);
/* guarantee a blank line, to ensure attachments are separated from body */
if(i==0 || body[i-1]!='\n')
if (i == 0 || body[i - 1] != '\n')
write2(p[1], ofd, "\n\n", 2, 0);
else if(i>1 && body[i-2]!='\n')
else if (i > 1 && body[i - 2] != '\n')
write2(p[1], ofd, "\n", 1, 0);
/* these look like pseudo-attachments in the "outgoing" box */
if(ofd>0 && natt>0){
for(i=0; i<natt; i++)
if(included[i])
if (ofd > 0 && natt > 0) {
for (i = 0; i < natt; i++)
if (included[i])
fprint(ofd, "=====> Include: %s\n", attlist[i]);
else
fprint(ofd, "=====> Attach: %s\n", attlist[i]);
}
if(ofd > 0)
if (ofd > 0)
write(ofd, "\n", 1);
for(i=0; i<natt; i++)
for (i = 0; i < natt; i++)
free(attlist[i]);
close(ofd);
close(p[1]);
free(body);
if(m->replyname != nil)
if (m->replyname != nil)
mesgmenumark(mbox.w, m->replyname, "\t[replied]");
if(m->name[0] == '/')
if (m->name[0] == '/')
s = estrdup(m->name);
else
s = estrstrdup(mbox.name, m->name);

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@ -6,59 +6,49 @@
#include <9pclient.h>
#include "dat.h"
void*
emalloc(uint n)
{
void *p;
void* emalloc(uint n) {
void* p;
p = malloc(n);
if(p == nil)
if (p == nil)
error("can't malloc: %r");
memset(p, 0, n);
setmalloctag(p, getcallerpc(&n));
return p;
}
void*
erealloc(void *p, uint n)
{
void* erealloc(void* p, uint n) {
p = realloc(p, n);
if(p == nil)
if (p == nil)
error("can't realloc: %r");
setmalloctag(p, getcallerpc(&n));
return p;
}
char*
estrdup(char *s)
{
char *t;
char* estrdup(char* s) {
char* t;
t = emalloc(strlen(s)+1);
t = emalloc(strlen(s) + 1);
strcpy(t, s);
return t;
}
char*
estrstrdup(char *s, char *t)
{
char *u;
char* estrstrdup(char* s, char* t) {
char* u;
u = emalloc(strlen(s)+strlen(t)+1);
u = emalloc(strlen(s) + strlen(t) + 1);
strcpy(u, s);
strcat(u, t);
return u;
}
char*
eappend(char *s, char *sep, char *t)
{
char *u;
char* eappend(char* s, char* sep, char* t) {
char* u;
if(t == nil)
if (t == nil)
u = estrstrdup(s, sep);
else{
u = emalloc(strlen(s)+strlen(sep)+strlen(t)+1);
else {
u = emalloc(strlen(s) + strlen(sep) + strlen(t) + 1);
strcpy(u, s);
strcat(u, sep);
strcat(u, t);
@ -67,17 +57,13 @@ eappend(char *s, char *sep, char *t)
return u;
}
char*
egrow(char *s, char *sep, char *t)
{
char* egrow(char* s, char* sep, char* t) {
s = eappend(s, sep, t);
free(t);
return s;
}
void
error(char *fmt, ...)
{
void error(char* fmt, ...) {
Fmt f;
char buf[64];
va_list arg;
@ -92,16 +78,13 @@ error(char *fmt, ...)
threadexitsall(fmt);
}
void
ctlprint(CFid *fd, char *fmt, ...)
{
void ctlprint(CFid* fd, char* fmt, ...) {
int n;
va_list arg;
va_start(arg, fmt);
n = fsvprint(fd, fmt, arg);
va_end(arg);
if(n <= 0)
if (n <= 0)
error("control file write error: %r");
}

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@ -6,15 +6,13 @@
#include <9pclient.h>
#include "dat.h"
Window*
newwindow(void)
{
Window* newwindow(void) {
char buf[12];
Window *w;
Window* w;
w = emalloc(sizeof(Window));
w->ctl = fsopen(acmefs, "new/ctl", ORDWR|OCEXEC);
if(w->ctl == nil || fsread(w->ctl, buf, 12)!=12)
w->ctl = fsopen(acmefs, "new/ctl", ORDWR | OCEXEC);
if (w->ctl == nil || fsread(w->ctl, buf, 12) != 12)
error("can't open window ctl file: %r");
w->id = atoi(buf);
@ -27,19 +25,15 @@ newwindow(void)
return w;
}
void
winincref(Window *w)
{
void winincref(Window* w) {
qlock(&w->lk);
++w->ref;
qunlock(&w->lk);
}
void
windecref(Window *w)
{
void windecref(Window* w) {
qlock(&w->lk);
if(--w->ref > 0){
if (--w->ref > 0) {
qunlock(&w->lk);
return;
}
@ -48,119 +42,98 @@ windecref(Window *w)
free(w);
}
void
winsetdump(Window *w, char *dir, char *cmd)
{
if(dir != nil)
void winsetdump(Window* w, char* dir, char* cmd) {
if (dir != nil)
ctlprint(w->ctl, "dumpdir %s\n", dir);
if(cmd != nil)
if (cmd != nil)
ctlprint(w->ctl, "dump %s\n", cmd);
}
void
wineventproc(void *v)
{
Window *w;
void wineventproc(void* v) {
Window* w;
int i;
w = v;
for(i=0; ; i++){
if(i >= NEVENT)
for (i = 0;; i++) {
if (i >= NEVENT)
i = 0;
wingetevent(w, &w->e[i]);
sendp(w->cevent, &w->e[i]);
}
}
static CFid*
winopenfile1(Window *w, char *f, int m)
{
static CFid* winopenfile1(Window* w, char* f, int m) {
char buf[64];
CFid* fd;
sprint(buf, "%d/%s", w->id, f);
fd = fsopen(acmefs, buf, m|OCEXEC);
if(fd == nil)
fd = fsopen(acmefs, buf, m | OCEXEC);
if (fd == nil)
error("can't open window file %s: %r", f);
return fd;
}
CFid*
winopenfile(Window *w, char *f)
{
return winopenfile1(w, f, ORDWR);
}
CFid* winopenfile(Window* w, char* f) { return winopenfile1(w, f, ORDWR); }
void
wintagwrite(Window *w, char *s, int n)
{
void wintagwrite(Window* w, char* s, int n) {
CFid* fid;
fid = winopenfile(w, "tag");
if(fswrite(fid, s, n) != n)
if (fswrite(fid, s, n) != n)
error("tag write: %r");
fsclose(fid);
}
void
winname(Window *w, char *s)
{
void winname(Window* w, char* s) {
int len;
char *ns, *sp;
Rune r = L''; /* visible space */
len = 0;
ns = emalloc(strlen(s)*runelen(r) + 1);
for(sp = s; *sp != '\0'; sp++, len++){
if(isspace(*sp)){
len += runetochar(ns+len, &r)-1;
ns = emalloc(strlen(s) * runelen(r) + 1);
for (sp = s; *sp != '\0'; sp++, len++) {
if (isspace(*sp)) {
len += runetochar(ns + len, &r) - 1;
continue;
}
*(ns+len) = *sp;
*(ns + len) = *sp;
}
ctlprint(w->ctl, "name %s\n", ns);
free(ns);
return;
}
void
winopenbody(Window *w, int mode)
{
void winopenbody(Window* w, int mode) {
char buf[256];
CFid* fid;
sprint(buf, "%d/body", w->id);
fid = fsopen(acmefs, buf, mode|OCEXEC);
fid = fsopen(acmefs, buf, mode | OCEXEC);
w->body = fid;
if(w->body == nil)
if (w->body == nil)
error("can't open window body file: %r");
}
void
winclosebody(Window *w)
{
if(w->body != nil){
void winclosebody(Window* w) {
if (w->body != nil) {
fsclose(w->body);
w->body = nil;
}
}
void
winwritebody(Window *w, char *s, int n)
{
if(w->body == nil)
void winwritebody(Window* w, char* s, int n) {
if (w->body == nil)
winopenbody(w, OWRITE);
if(fswrite(w->body, s, n) != n)
if (fswrite(w->body, s, n) != n)
error("write error to window: %r");
}
int
wingetec(Window *w)
{
if(w->nbuf == 0){
int wingetec(Window* w) {
if (w->nbuf == 0) {
w->nbuf = fsread(w->event, w->buf, sizeof w->buf);
if(w->nbuf <= 0){
/* probably because window has exited, and only called by wineventproc, so just shut down */
if (w->nbuf <= 0) {
/* probably because window has exited, and only called by wineventproc, so
* just shut down */
windecref(w);
threadexits(nil);
}
@ -170,30 +143,26 @@ wingetec(Window *w)
return *w->bufp++;
}
int
wingeten(Window *w)
{
int wingeten(Window* w) {
int n, c;
n = 0;
while('0'<=(c=wingetec(w)) && c<='9')
n = n*10+(c-'0');
if(c != ' ')
while ('0' <= (c = wingetec(w)) && c <= '9')
n = n * 10 + (c - '0');
if (c != ' ')
error("event number syntax");
return n;
}
int
wingeter(Window *w, char *buf, int *nb)
{
int wingeter(Window* w, char* buf, int* nb) {
Rune r;
int n;
r = wingetec(w);
buf[0] = r;
n = 1;
if(r >= Runeself) {
while(!fullrune(buf, n))
if (r >= Runeself) {
while (!fullrune(buf, n))
buf[n++] = wingetec(w);
chartorune(&r, buf);
}
@ -201,9 +170,7 @@ wingeter(Window *w, char *buf, int *nb)
return r;
}
void
wingetevent(Window *w, Event *e)
{
void wingetevent(Window* w, Event* e) {
int i, nb;
e->c1 = wingetec(w);
@ -212,49 +179,47 @@ wingetevent(Window *w, Event *e)
e->q1 = wingeten(w);
e->flag = wingeten(w);
e->nr = wingeten(w);
if(e->nr > EVENTSIZE)
if (e->nr > EVENTSIZE)
error("event string too long");
e->nb = 0;
for(i=0; i<e->nr; i++){
e->r[i] = wingeter(w, e->b+e->nb, &nb);
for (i = 0; i < e->nr; i++) {
e->r[i] = wingeter(w, e->b + e->nb, &nb);
e->nb += nb;
}
e->r[e->nr] = 0;
e->b[e->nb] = 0;
if(wingetec(w) != '\n')
if (wingetec(w) != '\n')
error("event syntax error");
}
void
winwriteevent(Window *w, Event *e)
{
void winwriteevent(Window* w, Event* e) {
fsprint(w->event, "%c%c%d %d\n", e->c1, e->c2, e->q0, e->q1);
}
void
winread(Window *w, uint q0, uint q1, char *data)
{
void winread(Window* w, uint q0, uint q1, char* data) {
int m, n, nr;
char buf[256];
if(w->addr == nil)
if (w->addr == nil)
w->addr = winopenfile(w, "addr");
if(w->data == nil)
if (w->data == nil)
w->data = winopenfile(w, "data");
m = q0;
while(m < q1){
while (m < q1) {
n = sprint(buf, "#%d", m);
if(fswrite(w->addr, buf, n) != n)
if (fswrite(w->addr, buf, n) != n)
error("error writing addr: %r");
n = fsread(w->data, buf, sizeof buf);
if(n <= 0)
if (n <= 0)
error("reading data: %r");
nr = utfnlen(buf, n);
while(m+nr >q1){
do; while(n>0 && (buf[--n]&0xC0)==0x80);
while (m + nr > q1) {
do
;
while (n > 0 && (buf[--n] & 0xC0) == 0x80);
--nr;
}
if(n == 0)
if (n == 0)
break;
memmove(data, buf, n);
data += n;
@ -263,30 +228,25 @@ winread(Window *w, uint q0, uint q1, char *data)
}
}
void
windormant(Window *w)
{
if(w->addr != nil){
void windormant(Window* w) {
if (w->addr != nil) {
fsclose(w->addr);
w->addr = nil;
}
if(w->body != nil){
if (w->body != nil) {
fsclose(w->body);
w->body = nil;
}
if(w->data != nil){
if (w->data != nil) {
fsclose(w->data);
w->data = nil;
}
}
int
windel(Window *w, int sure)
{
if(sure)
int windel(Window* w, int sure) {
if (sure)
fswrite(w->ctl, "delete\n", 7);
else if(fswrite(w->ctl, "del\n", 4) != 4)
else if (fswrite(w->ctl, "del\n", 4) != 4)
return 0;
/* event proc will die due to read error from event file */
windormant(w);
@ -295,54 +255,47 @@ windel(Window *w, int sure)
return 1;
}
void
winclean(Window *w)
{
ctlprint(w->ctl, "clean\n");
}
void winclean(Window* w) { ctlprint(w->ctl, "clean\n"); }
int
winsetaddr(Window *w, char *addr, int errok)
{
if(w->addr == nil)
int winsetaddr(Window* w, char* addr, int errok) {
if (w->addr == nil)
w->addr = winopenfile(w, "addr");
if(fswrite(w->addr, addr, strlen(addr)) < 0){
if(!errok)
if (fswrite(w->addr, addr, strlen(addr)) < 0) {
if (!errok)
error("error writing addr(%s): %r", addr);
return 0;
}
return 1;
}
int
winselect(Window *w, char *addr, int errok)
{
if(winsetaddr(w, addr, errok)){
int winselect(Window* w, char* addr, int errok) {
if (winsetaddr(w, addr, errok)) {
ctlprint(w->ctl, "dot=addr\n");
return 1;
}
return 0;
}
char*
winreadbody(Window *w, int *np) /* can't use readfile because acme doesn't report the length */
char* winreadbody(
Window* w,
int* np) /* can't use readfile because acme doesn't report the length */
{
char *s;
char* s;
int m, na, n;
if(w->body != nil)
if (w->body != nil)
winclosebody(w);
winopenbody(w, OREAD);
s = nil;
na = 0;
n = 0;
for(;;){
if(na < n+512){
for (;;) {
if (na < n + 512) {
na += 1024;
s = realloc(s, na+1);
s = realloc(s, na + 1);
}
m = fsread(w->body, s+n, na-n);
if(m <= 0)
m = fsread(w->body, s + n, na - n);
if (m <= 0)
break;
n += m;
}
@ -352,25 +305,23 @@ winreadbody(Window *w, int *np) /* can't use readfile because acme doesn't repor
return s;
}
char*
winselection(Window *w)
{
char* winselection(Window* w) {
int m, n;
char *buf;
char* buf;
char tmp[256];
CFid* fid;
fid = winopenfile1(w, "rdsel", OREAD);
if(fid == nil)
if (fid == nil)
error("can't open rdsel: %r");
n = 0;
buf = nil;
for(;;){
for (;;) {
m = fsread(fid, tmp, sizeof tmp);
if(m <= 0)
if (m <= 0)
break;
buf = erealloc(buf, n+m+1);
memmove(buf+n, tmp, m);
buf = erealloc(buf, n + m + 1);
memmove(buf + n, tmp, m);
n += m;
buf[n] = '\0';
}

Binary file not shown.

459
regx.c
View file

@ -13,39 +13,37 @@
#include "fns.h"
Rangeset sel;
Rune *lastregexp;
Rune* lastregexp;
/*
* Machine Information
*/
typedef struct Inst Inst;
struct Inst
{
struct Inst {
uint type; /* < OPERATOR ==> literal, otherwise action */
union {
int sid;
int subid;
int class;
Inst *other;
Inst *right;
Inst* other;
Inst* right;
} u;
union{
Inst *left;
Inst *next;
union {
Inst* left;
Inst* next;
} u1;
};
#define NPROG 1024
Inst program[NPROG];
Inst *progp;
Inst *startinst; /* First inst. of program; might not be program[0] */
Inst *bstartinst; /* same for backwards machine */
Channel *rechan; /* chan(Inst*) */
Inst* progp;
Inst* startinst; /* First inst. of program; might not be program[0] */
Inst* bstartinst; /* same for backwards machine */
Channel* rechan; /* chan(Inst*) */
typedef struct Ilist Ilist;
struct Ilist
{
Inst *inst; /* Instruction of the thread */
struct Ilist {
Inst* inst; /* Instruction of the thread */
Rangeset se;
uint startp; /* first char of match */
};
@ -53,7 +51,7 @@ struct Ilist
#define NLIST 127
Ilist *tl, *nl; /* This list, next list */
Ilist list[2][NLIST+1]; /* +1 for trailing null */
Ilist list[2][NLIST + 1]; /* +1 for trailing null */
static Rangeset sempty;
/*
@ -63,21 +61,21 @@ static Rangeset sempty;
* 0x20000xx are tokens, i.e. operands for operators
*/
#define OPERATOR 0x1000000 /* Bit set in all operators */
#define START (OPERATOR+0) /* Start, used for marker on stack */
#define RBRA (OPERATOR+1) /* Right bracket, ) */
#define LBRA (OPERATOR+2) /* Left bracket, ( */
#define OR (OPERATOR+3) /* Alternation, | */
#define CAT (OPERATOR+4) /* Concatentation, implicit operator */
#define STAR (OPERATOR+5) /* Closure, * */
#define PLUS (OPERATOR+6) /* a+ == aa* */
#define QUEST (OPERATOR+7) /* a? == a|nothing, i.e. 0 or 1 a's */
#define START (OPERATOR + 0) /* Start, used for marker on stack */
#define RBRA (OPERATOR + 1) /* Right bracket, ) */
#define LBRA (OPERATOR + 2) /* Left bracket, ( */
#define OR (OPERATOR + 3) /* Alternation, | */
#define CAT (OPERATOR + 4) /* Concatentation, implicit operator */
#define STAR (OPERATOR + 5) /* Closure, * */
#define PLUS (OPERATOR + 6) /* a+ == aa* */
#define QUEST (OPERATOR + 7) /* a? == a|nothing, i.e. 0 or 1 a's */
#define ANY 0x2000000 /* Any character but newline, . */
#define NOP (ANY+1) /* No operation, internal use only */
#define BOL (ANY+2) /* Beginning of line, ^ */
#define EOL (ANY+3) /* End of line, $ */
#define CCLASS (ANY+4) /* Character class, [] */
#define NCCLASS (ANY+5) /* Negated character class, [^] */
#define END (ANY+0x77) /* Terminate: match found */
#define NOP (ANY + 1) /* No operation, internal use only */
#define BOL (ANY + 2) /* Beginning of line, ^ */
#define EOL (ANY + 3) /* End of line, $ */
#define CCLASS (ANY + 4) /* Character class, [] */
#define NCCLASS (ANY + 5) /* Negated character class, [^] */
#define END (ANY + 0x77) /* Terminate: match found */
#define ISATOR OPERATOR
#define ISAND ANY
@ -88,36 +86,35 @@ static Rangeset sempty;
* Parser Information
*/
typedef struct Node Node;
struct Node
{
Inst *first;
Inst *last;
struct Node {
Inst* first;
Inst* last;
};
#define NSTACK 20
Node andstack[NSTACK];
Node *andp;
Node* andp;
int atorstack[NSTACK];
int *atorp;
int* atorp;
int lastwasand; /* Last token was operand */
int cursubid;
int subidstack[NSTACK];
int *subidp;
int* subidp;
int backwards;
int nbra;
Rune *exprp; /* pointer to next character in source expression */
Rune* exprp; /* pointer to next character in source expression */
#define DCLASS 10 /* allocation increment */
int nclass; /* number active */
int Nclass; /* high water mark */
Rune **class;
Rune** class;
int negateclass;
int addinst(Ilist *l, Inst *inst, Rangeset *sep);
int addinst(Ilist* l, Inst* inst, Rangeset* sep);
void newmatch(Rangeset*);
void bnewmatch(Rangeset*);
void pushand(Inst*, Inst*);
void pushator(int);
Node *popand(int);
Node* popand(int);
int popator(void);
void startlex(Rune*);
int lex(void);
@ -127,27 +124,21 @@ void evaluntil(int);
void optimize(Inst*);
void bldcclass(void);
void
rxinit(void)
{
void rxinit(void) {
rechan = chancreate(sizeof(Inst*), 0);
chansetname(rechan, "rechan");
lastregexp = runemalloc(1);
}
void
regerror(char *e)
{
void regerror(char* e) {
lastregexp[0] = 0;
warning(nil, "regexp: %s\n", e);
sendp(rechan, nil);
threadexits(nil);
}
Inst *
newinst(int t)
{
if(progp >= &program[NPROG])
Inst* newinst(int t) {
if (progp >= &program[NPROG])
regerror("expression too long");
progp->type = t;
progp->u1.left = nil;
@ -155,11 +146,9 @@ newinst(int t)
return progp++;
}
void
realcompile(void *arg)
{
void realcompile(void* arg) {
int token;
Rune *s;
Rune* s;
threadsetname("regcomp");
s = arg;
@ -170,9 +159,9 @@ realcompile(void *arg)
cursubid = 0;
lastwasand = FALSE;
/* Start with a low priority operator to prime parser */
pushator(START-1);
while((token=lex()) != END){
if((token&ISATOR) == OPERATOR)
pushator(START - 1);
while ((token = lex()) != END) {
if ((token & ISATOR) == OPERATOR)
operator(token);
else
operand(token);
@ -182,7 +171,7 @@ realcompile(void *arg)
/* Force END */
operand(END);
evaluntil(START);
if(nbra)
if (nbra)
regerror("unmatched `('");
--andp; /* points to first and only operand */
sendp(rechan, andp->first);
@ -190,17 +179,15 @@ realcompile(void *arg)
}
/* r is null terminated */
int
rxcompile(Rune *r)
{
int rxcompile(Rune* r) {
int i, nr;
Inst *oprogp;
Inst* oprogp;
nr = runestrlen(r)+1;
if(runeeq(lastregexp, runestrlen(lastregexp)+1, r, nr)==TRUE)
nr = runestrlen(r) + 1;
if (runeeq(lastregexp, runestrlen(lastregexp) + 1, r, nr) == TRUE)
return TRUE;
lastregexp[0] = 0;
for(i=0; i<nclass; i++)
for (i = 0; i < nclass; i++)
free(class[i]);
nclass = 0;
progp = program;
@ -208,14 +195,14 @@ rxcompile(Rune *r)
bstartinst = nil;
threadcreate(realcompile, r, STACK);
startinst = recvp(rechan);
if(startinst == nil)
if (startinst == nil)
return FALSE;
optimize(program);
oprogp = progp;
backwards = TRUE;
threadcreate(realcompile, r, STACK);
bstartinst = recvp(rechan);
if(bstartinst == nil)
if (bstartinst == nil)
return FALSE;
optimize(oprogp);
lastregexp = runerealloc(lastregexp, nr);
@ -223,94 +210,80 @@ rxcompile(Rune *r)
return TRUE;
}
void
operand(int t)
{
Inst *i;
if(lastwasand)
void operand(int t) {
Inst* i;
if (lastwasand)
operator(CAT); /* catenate is implicit */
i = newinst(t);
if(t == CCLASS){
if(negateclass)
if (t == CCLASS) {
if (negateclass)
i->type = NCCLASS; /* UGH */
i->u.class = nclass-1; /* UGH */
i->u.class = nclass - 1; /* UGH */
}
pushand(i, i);
lastwasand = TRUE;
}
void
operator(int t)
{
if(t==RBRA && --nbra<0)
void operator(int t) {
if (t == RBRA && --nbra < 0)
regerror("unmatched `)'");
if(t==LBRA){
if (t == LBRA) {
cursubid++; /* silently ignored */
nbra++;
if(lastwasand)
if (lastwasand)
operator(CAT);
}else
} else
evaluntil(t);
if(t!=RBRA)
if (t != RBRA)
pushator(t);
lastwasand = FALSE;
if(t==STAR || t==QUEST || t==PLUS || t==RBRA)
if (t == STAR || t == QUEST || t == PLUS || t == RBRA)
lastwasand = TRUE; /* these look like operands */
}
void
pushand(Inst *f, Inst *l)
{
if(andp >= &andstack[NSTACK])
void pushand(Inst* f, Inst* l) {
if (andp >= &andstack[NSTACK])
error("operand stack overflow");
andp->first = f;
andp->last = l;
andp++;
}
void
pushator(int t)
{
if(atorp >= &atorstack[NSTACK])
void pushator(int t) {
if (atorp >= &atorstack[NSTACK])
error("operator stack overflow");
*atorp++=t;
if(cursubid >= NRange)
*subidp++= -1;
*atorp++ = t;
if (cursubid >= NRange)
*subidp++ = -1;
else
*subidp++=cursubid;
*subidp++ = cursubid;
}
Node *
popand(int op)
{
Node* popand(int op) {
char buf[64];
if(andp <= &andstack[0])
if(op){
if (andp <= &andstack[0])
if (op) {
sprint(buf, "missing operand for %c", op);
regerror(buf);
}else
} else
regerror("malformed regexp");
return --andp;
}
int
popator()
{
if(atorp <= &atorstack[0])
int popator() {
if (atorp <= &atorstack[0])
error("operator stack underflow");
--subidp;
return *--atorp;
}
void
evaluntil(int pri)
{
void evaluntil(int pri) {
Node *op1, *op2, *t;
Inst *inst1, *inst2;
while(pri==RBRA || atorp[-1]>=pri){
switch(popator()){
while (pri == RBRA || atorp[-1] >= pri) {
switch (popator()) {
case LBRA:
op1 = popand('(');
inst2 = newinst(RBRA);
@ -338,7 +311,7 @@ evaluntil(int pri)
case CAT:
op2 = popand(0);
op1 = popand(0);
if(backwards && op2->first->type!=END){
if (backwards && op2->first->type != END) {
t = op1;
op1 = op2;
op2 = t;
@ -373,38 +346,31 @@ evaluntil(int pri)
}
}
void
optimize(Inst *start)
{
void optimize(Inst* start) {
Inst *inst, *target;
for(inst=start; inst->type!=END; inst++){
for (inst = start; inst->type != END; inst++) {
target = inst->u1.next;
while(target->type == NOP)
while (target->type == NOP)
target = target->u1.next;
inst->u1.next = target;
}
}
void
startlex(Rune *s)
{
void startlex(Rune* s) {
exprp = s;
nbra = 0;
}
int
lex(void){
int lex(void) {
int c;
c = *exprp++;
switch(c){
switch (c) {
case '\\':
if(*exprp)
if((c= *exprp++)=='n')
c='\n';
if (*exprp)
if ((c = *exprp++) == 'n')
c = '\n';
break;
case 0:
c = END;
@ -445,79 +411,73 @@ lex(void){
return c;
}
int
nextrec(void)
{
if(exprp[0]==0 || (exprp[0]=='\\' && exprp[1]==0))
int nextrec(void) {
if (exprp[0] == 0 || (exprp[0] == '\\' && exprp[1] == 0))
regerror("malformed `[]'");
if(exprp[0] == '\\'){
if (exprp[0] == '\\') {
exprp++;
if(*exprp=='n'){
if (*exprp == 'n') {
exprp++;
return '\n';
}
return *exprp++|QUOTED;
return *exprp++ | QUOTED;
}
return *exprp++;
}
void
bldcclass(void)
{
void bldcclass(void) {
int c1, c2, n, na;
Rune *classp;
Rune* classp;
classp = runemalloc(DCLASS);
n = 0;
na = DCLASS;
/* we have already seen the '[' */
if(*exprp == '^'){
if (*exprp == '^') {
classp[n++] = '\n'; /* don't match newline in negate case */
negateclass = TRUE;
exprp++;
}else
} else
negateclass = FALSE;
while((c1 = nextrec()) != ']'){
if(c1 == '-'){
while ((c1 = nextrec()) != ']') {
if (c1 == '-') {
Error:
free(classp);
regerror("malformed `[]'");
}
if(n+4 >= na){ /* 3 runes plus NUL */
if (n + 4 >= na) { /* 3 runes plus NUL */
na += DCLASS;
classp = runerealloc(classp, na);
}
if(*exprp == '-'){
if (*exprp == '-') {
exprp++; /* eat '-' */
if((c2 = nextrec()) == ']')
if ((c2 = nextrec()) == ']')
goto Error;
classp[n+0] = Runemax;
classp[n+1] = c1;
classp[n+2] = c2;
classp[n + 0] = Runemax;
classp[n + 1] = c1;
classp[n + 2] = c2;
n += 3;
}else
} else
classp[n++] = c1 & ~QUOTED;
}
classp[n] = 0;
if(nclass == Nclass){
if (nclass == Nclass) {
Nclass += DCLASS;
class = realloc(class, Nclass*sizeof(Rune*));
class = realloc(class, Nclass * sizeof(Rune*));
}
class[nclass++] = classp;
}
int
classmatch(int classno, int c, int negate)
{
Rune *p;
int classmatch(int classno, int c, int negate) {
Rune* p;
p = class[classno];
while(*p){
if(*p == Runemax){
if(p[1]<=c && c<=p[2])
while (*p) {
if (*p == Runemax) {
if (p[1] <= c && c <= p[2])
return !negate;
p += 3;
}else if(*p++ == c)
} else if (*p++ == c)
return !negate;
}
return negate;
@ -528,37 +488,29 @@ classmatch(int classno, int c, int negate)
* *l must be pending when addinst called; if *l has been looked
* at already, the optimization is a bug.
*/
int
addinst(Ilist *l, Inst *inst, Rangeset *sep)
{
Ilist *p;
int addinst(Ilist* l, Inst* inst, Rangeset* sep) {
Ilist* p;
for(p = l; p->inst; p++){
if(p->inst==inst){
if((sep)->r[0].q0 < p->se.r[0].q0)
p->se= *sep; /* this would be bug */
for (p = l; p->inst; p++) {
if (p->inst == inst) {
if ((sep)->r[0].q0 < p->se.r[0].q0)
p->se = *sep; /* this would be bug */
return 0; /* It's already there */
}
}
p->inst = inst;
p->se= *sep;
(p+1)->inst = nil;
p->se = *sep;
(p + 1)->inst = nil;
return 1;
}
int
rxnull(void)
{
return startinst==nil || bstartinst==nil;
}
int rxnull(void) { return startinst == nil || bstartinst == nil; }
/* either t!=nil or r!=nil, and we match the string in the appropriate place */
int
rxexecute(Text *t, Rune *r, uint startp, uint eof, Rangeset *rp)
{
int rxexecute(Text* t, Rune* r, uint startp, uint eof, Rangeset* rp) {
int flag;
Inst *inst;
Ilist *tlp;
Inst* inst;
Ilist* tlp;
uint p;
int nnl, ntl;
int nc, c;
@ -570,24 +522,24 @@ rxexecute(Text *t, Rune *r, uint startp, uint eof, Rangeset *rp)
startchar = 0;
wrapped = 0;
nnl = 0;
if(startinst->type<OPERATOR)
if (startinst->type < OPERATOR)
startchar = startinst->type;
list[0][0].inst = list[1][0].inst = nil;
sel.r[0].q0 = -1;
if(t != nil)
if (t != nil)
nc = t->file->b.nc;
else
nc = runestrlen(r);
/* Execute machine once for each character */
for(;;p++){
for (;; p++) {
doloop:
if(p>=eof || p>=nc){
switch(wrapped++){
if (p >= eof || p >= nc) {
switch (wrapped++) {
case 0: /* let loop run one more click */
case 2:
break;
case 1: /* expired; wrap to beginning */
if(sel.r[0].q0>=0 || eof!=Infinity)
if (sel.r[0].q0 >= 0 || eof != Infinity)
goto Return;
list[0][0].inst = list[1][0].inst = nil;
p = 0;
@ -596,27 +548,27 @@ rxexecute(Text *t, Rune *r, uint startp, uint eof, Rangeset *rp)
goto Return;
}
c = 0;
}else{
if(((wrapped && p>=startp) || sel.r[0].q0>0) && nnl==0)
} else {
if (((wrapped && p >= startp) || sel.r[0].q0 > 0) && nnl == 0)
break;
if(t != nil)
if (t != nil)
c = textreadc(t, p);
else
c = r[p];
}
/* fast check for first char */
if(startchar && nnl==0 && c!=startchar)
if (startchar && nnl == 0 && c != startchar)
continue;
tl = list[flag];
nl = list[flag^=1];
nl = list[flag ^= 1];
nl->inst = nil;
ntl = nnl;
nnl = 0;
if(sel.r[0].q0<0 && (!wrapped || p<startp || startp==eof)){
if (sel.r[0].q0 < 0 && (!wrapped || p < startp || startp == eof)) {
/* Add first instruction to this list */
sempty.r[0].q0 = p;
if(addinst(tl, startinst, &sempty))
if(++ntl >= NLIST){
if (addinst(tl, startinst, &sempty))
if (++ntl >= NLIST) {
Overflow:
warning(nil, "regexp list overflow\n");
sel.r[0].q0 = -1;
@ -624,54 +576,56 @@ rxexecute(Text *t, Rune *r, uint startp, uint eof, Rangeset *rp)
}
}
/* Execute machine until this list is empty */
for(tlp = tl; inst = tlp->inst; tlp++){ /* assignment = */
for (tlp = tl; inst = tlp->inst; tlp++) { /* assignment = */
Switchstmt:
switch(inst->type){
switch (inst->type) {
default: /* regular character */
if(inst->type==c){
if (inst->type == c) {
Addinst:
if(addinst(nl, inst->u1.next, &tlp->se))
if(++nnl >= NLIST)
if (addinst(nl, inst->u1.next, &tlp->se))
if (++nnl >= NLIST)
goto Overflow;
}
break;
case LBRA:
if(inst->u.subid>=0)
if (inst->u.subid >= 0)
tlp->se.r[inst->u.subid].q0 = p;
inst = inst->u1.next;
goto Switchstmt;
case RBRA:
if(inst->u.subid>=0)
if (inst->u.subid >= 0)
tlp->se.r[inst->u.subid].q1 = p;
inst = inst->u1.next;
goto Switchstmt;
case ANY:
if(c!='\n')
if (c != '\n')
goto Addinst;
break;
case BOL:
if(p==0 || (t!=nil && textreadc(t, p-1)=='\n') || (r!=nil && r[p-1]=='\n')){
if (
p == 0 || (t != nil && textreadc(t, p - 1) == '\n') ||
(r != nil && r[p - 1] == '\n')) {
Step:
inst = inst->u1.next;
goto Switchstmt;
}
break;
case EOL:
if(c == '\n')
if (c == '\n')
goto Step;
break;
case CCLASS:
if(c>=0 && classmatch(inst->u.class, c, 0))
if (c >= 0 && classmatch(inst->u.class, c, 0))
goto Addinst;
break;
case NCCLASS:
if(c>=0 && classmatch(inst->u.class, c, 1))
if (c >= 0 && classmatch(inst->u.class, c, 1))
goto Addinst;
break;
case OR:
/* evaluate right choice later */
if(addinst(tlp, inst->u.right, &tlp->se))
if(++ntl >= NLIST)
if (addinst(tlp, inst->u.right, &tlp->se))
if (++ntl >= NLIST)
goto Overflow;
/* efficiency: advance and re-evaluate */
inst = inst->u1.left;
@ -683,25 +637,22 @@ rxexecute(Text *t, Rune *r, uint startp, uint eof, Rangeset *rp)
}
}
}
Return:
Return:
*rp = sel;
return sel.r[0].q0 >= 0;
}
void
newmatch(Rangeset *sp)
{
if(sel.r[0].q0<0 || sp->r[0].q0<sel.r[0].q0 ||
(sp->r[0].q0==sel.r[0].q0 && sp->r[0].q1>sel.r[0].q1))
void newmatch(Rangeset* sp) {
if (
sel.r[0].q0 < 0 || sp->r[0].q0 < sel.r[0].q0 ||
(sp->r[0].q0 == sel.r[0].q0 && sp->r[0].q1 > sel.r[0].q1))
sel = *sp;
}
int
rxbexecute(Text *t, uint startp, Rangeset *rp)
{
int rxbexecute(Text* t, uint startp, Rangeset* rp) {
int flag;
Inst *inst;
Ilist *tlp;
Inst* inst;
Ilist* tlp;
int p;
int nnl, ntl;
int c;
@ -713,20 +664,20 @@ rxbexecute(Text *t, uint startp, Rangeset *rp)
wrapped = 0;
p = startp;
startchar = 0;
if(bstartinst->type<OPERATOR)
if (bstartinst->type < OPERATOR)
startchar = bstartinst->type;
list[0][0].inst = list[1][0].inst = nil;
sel.r[0].q0= -1;
sel.r[0].q0 = -1;
/* Execute machine once for each character, including terminal NUL */
for(;;--p){
for (;; --p) {
doloop:
if(p <= 0){
switch(wrapped++){
if (p <= 0) {
switch (wrapped++) {
case 0: /* let loop run one more click */
case 2:
break;
case 1: /* expired; wrap to end */
if(sel.r[0].q0>=0)
if (sel.r[0].q0 >= 0)
goto Return;
list[0][0].inst = list[1][0].inst = nil;
p = t->file->b.nc;
@ -736,25 +687,25 @@ rxbexecute(Text *t, uint startp, Rangeset *rp)
goto Return;
}
c = 0;
}else{
if(((wrapped && p<=startp) || sel.r[0].q0>0) && nnl==0)
} else {
if (((wrapped && p <= startp) || sel.r[0].q0 > 0) && nnl == 0)
break;
c = textreadc(t, p-1);
c = textreadc(t, p - 1);
}
/* fast check for first char */
if(startchar && nnl==0 && c!=startchar)
if (startchar && nnl == 0 && c != startchar)
continue;
tl = list[flag];
nl = list[flag^=1];
nl = list[flag ^= 1];
nl->inst = nil;
ntl = nnl;
nnl = 0;
if(sel.r[0].q0<0 && (!wrapped || p>startp)){
if (sel.r[0].q0 < 0 && (!wrapped || p > startp)) {
/* Add first instruction to this list */
/* the minus is so the optimizations in addinst work */
sempty.r[0].q0 = -p;
if(addinst(tl, bstartinst, &sempty))
if(++ntl >= NLIST){
if (addinst(tl, bstartinst, &sempty))
if (++ntl >= NLIST) {
Overflow:
warning(nil, "regexp list overflow\n");
sel.r[0].q0 = -1;
@ -762,54 +713,54 @@ rxbexecute(Text *t, uint startp, Rangeset *rp)
}
}
/* Execute machine until this list is empty */
for(tlp = tl; inst = tlp->inst; tlp++){ /* assignment = */
for (tlp = tl; inst = tlp->inst; tlp++) { /* assignment = */
Switchstmt:
switch(inst->type){
switch (inst->type) {
default: /* regular character */
if(inst->type == c){
if (inst->type == c) {
Addinst:
if(addinst(nl, inst->u1.next, &tlp->se))
if(++nnl >= NLIST)
if (addinst(nl, inst->u1.next, &tlp->se))
if (++nnl >= NLIST)
goto Overflow;
}
break;
case LBRA:
if(inst->u.subid>=0)
if (inst->u.subid >= 0)
tlp->se.r[inst->u.subid].q0 = p;
inst = inst->u1.next;
goto Switchstmt;
case RBRA:
if(inst->u.subid >= 0)
if (inst->u.subid >= 0)
tlp->se.r[inst->u.subid].q1 = p;
inst = inst->u1.next;
goto Switchstmt;
case ANY:
if(c != '\n')
if (c != '\n')
goto Addinst;
break;
case BOL:
if(c=='\n' || p==0){
if (c == '\n' || p == 0) {
Step:
inst = inst->u1.next;
goto Switchstmt;
}
break;
case EOL:
if(p<t->file->b.nc && textreadc(t, p)=='\n')
if (p < t->file->b.nc && textreadc(t, p) == '\n')
goto Step;
break;
case CCLASS:
if(c>0 && classmatch(inst->u.class, c, 0))
if (c > 0 && classmatch(inst->u.class, c, 0))
goto Addinst;
break;
case NCCLASS:
if(c>0 && classmatch(inst->u.class, c, 1))
if (c > 0 && classmatch(inst->u.class, c, 1))
goto Addinst;
break;
case OR:
/* evaluate right choice later */
if(addinst(tl, inst->u.right, &tlp->se))
if(++ntl >= NLIST)
if (addinst(tl, inst->u.right, &tlp->se))
if (++ntl >= NLIST)
goto Overflow;
/* efficiency: advance and re-evaluate */
inst = inst->u1.left;
@ -822,18 +773,18 @@ rxbexecute(Text *t, uint startp, Rangeset *rp)
}
}
}
Return:
Return:
*rp = sel;
return sel.r[0].q0 >= 0;
}
void
bnewmatch(Rangeset *sp)
{
void bnewmatch(Rangeset* sp) {
int i;
if(sel.r[0].q0<0 || sp->r[0].q0>sel.r[0].q1 || (sp->r[0].q0==sel.r[0].q1 && sp->r[0].q1<sel.r[0].q0))
for(i = 0; i<NRange; i++){ /* note the reversal; q0<=q1 */
if (
sel.r[0].q0 < 0 || sp->r[0].q0 > sel.r[0].q1 ||
(sp->r[0].q0 == sel.r[0].q1 && sp->r[0].q1 < sel.r[0].q0))
for (i = 0; i < NRange; i++) { /* note the reversal; q0<=q1 */
sel.r[i].q0 = sp->r[i].q1;
sel.r[i].q1 = sp->r[i].q0;
}

646
rows.c

File diff suppressed because it is too large Load diff

114
scrl.c
View file

@ -12,77 +12,73 @@
#include "dat.h"
#include "fns.h"
static Image *scrtmp;
static Image* scrtmp;
static
Rectangle
scrpos(Rectangle r, uint p0, uint p1, uint tot)
{
static Rectangle scrpos(Rectangle r, uint p0, uint p1, uint tot) {
Rectangle q;
int h;
q = r;
h = q.max.y-q.min.y;
if(tot == 0)
h = q.max.y - q.min.y;
if (tot == 0)
return q;
if(tot > 1024*1024){
tot>>=10;
p0>>=10;
p1>>=10;
if (tot > 1024 * 1024) {
tot >>= 10;
p0 >>= 10;
p1 >>= 10;
}
if(p0 > 0)
q.min.y += h*p0/tot;
if(p1 < tot)
q.max.y -= h*(tot-p1)/tot;
if(q.max.y < q.min.y+2){
if(q.min.y+2 <= r.max.y)
q.max.y = q.min.y+2;
if (p0 > 0)
q.min.y += h * p0 / tot;
if (p1 < tot)
q.max.y -= h * (tot - p1) / tot;
if (q.max.y < q.min.y + 2) {
if (q.min.y + 2 <= r.max.y)
q.max.y = q.min.y + 2;
else
q.min.y = q.max.y-2;
q.min.y = q.max.y - 2;
}
return q;
}
void
scrlresize(void)
{
void scrlresize(void) {
freeimage(scrtmp);
scrtmp = allocimage(display, Rect(0, 0, 32, screen->r.max.y), screen->chan, 0, DNofill);
if(scrtmp == nil)
scrtmp = allocimage(
display,
Rect(0, 0, 32, screen->r.max.y),
screen->chan,
0,
DNofill);
if (scrtmp == nil)
error("scroll alloc");
}
void
textscrdraw(Text *t)
{
void textscrdraw(Text* t) {
Rectangle r, r1, r2;
Image *b;
Image* b;
if(t->w==nil || t!=&t->w->body)
if (t->w == nil || t != &t->w->body)
return;
if(scrtmp == nil)
if (scrtmp == nil)
scrlresize();
r = t->scrollr;
b = scrtmp;
r1 = r;
r1.min.x = 0;
r1.max.x = Dx(r);
r2 = scrpos(r1, t->org, t->org+t->fr.nchars, t->file->b.nc);
if(!eqrect(r2, t->lastsr)){
r2 = scrpos(r1, t->org, t->org + t->fr.nchars, t->file->b.nc);
if (!eqrect(r2, t->lastsr)) {
t->lastsr = r2;
draw(b, r1, t->fr.cols[BORD], nil, ZP);
draw(b, r2, t->fr.cols[BACK], nil, ZP);
r2.min.x = r2.max.x-1;
r2.min.x = r2.max.x - 1;
draw(b, r2, t->fr.cols[BORD], nil, ZP);
draw(t->fr.b, r, b, nil, Pt(0, r1.min.y));
/*flushimage(display, 1); // BUG? */
/*flushimage(display, 1); // BUG? */
}
}
void
scrsleep(uint dt)
{
Timer *timer;
void scrsleep(uint dt) {
Timer* timer;
static Alt alts[3];
timer = timerstart(dt);
@ -93,8 +89,8 @@ scrsleep(uint dt)
alts[1].v = &mousectl->m;
alts[1].op = CHANRCV;
alts[2].op = CHANEND;
for(;;)
switch(alt(alts)){
for (;;)
switch (alt(alts)) {
case 0:
timerstop(timer);
return;
@ -104,56 +100,54 @@ scrsleep(uint dt)
}
}
void
textscroll(Text *t, int but)
{
void textscroll(Text* t, int but) {
uint p0, oldp0;
Rectangle s;
int x, y, my, h, first;
s = insetrect(t->scrollr, 1);
h = s.max.y-s.min.y;
x = (s.min.x+s.max.x)/2;
h = s.max.y - s.min.y;
x = (s.min.x + s.max.x) / 2;
oldp0 = ~0;
first = TRUE;
do{
do {
flushimage(display, 1);
my = mouse->xy.y;
if(my < s.min.y)
if (my < s.min.y)
my = s.min.y;
if(my >= s.max.y)
if (my >= s.max.y)
my = s.max.y;
if(!eqpt(mouse->xy, Pt(x, my))){
if (!eqpt(mouse->xy, Pt(x, my))) {
moveto(mousectl, Pt(x, my));
readmouse(mousectl); /* absorb event generated by moveto() */
}
if(but == 2){
if (but == 2) {
y = my;
p0 = (vlong)t->file->b.nc*(y-s.min.y)/h;
if(p0 >= t->q1)
p0 = (vlong)t->file->b.nc * (y - s.min.y) / h;
if (p0 >= t->q1)
p0 = textbacknl(t, p0, 2);
if(oldp0 != p0)
if (oldp0 != p0)
textsetorigin(t, p0, FALSE);
oldp0 = p0;
readmouse(mousectl);
continue;
}
if(but == 1)
p0 = textbacknl(t, t->org, (my-s.min.y)/t->fr.font->height);
if (but == 1)
p0 = textbacknl(t, t->org, (my - s.min.y) / t->fr.font->height);
else
p0 = t->org+frcharofpt(&t->fr, Pt(s.max.x, my));
if(oldp0 != p0)
p0 = t->org + frcharofpt(&t->fr, Pt(s.max.x, my));
if (oldp0 != p0)
textsetorigin(t, p0, TRUE);
oldp0 = p0;
/* debounce */
if(first){
if (first) {
flushimage(display, 1);
sleep(200);
nbrecv(mousectl->c, &mousectl->m);
first = FALSE;
}
scrsleep(80);
}while(mouse->buttons & (1<<(but-1)));
while(mouse->buttons)
} while (mouse->buttons & (1 << (but - 1)));
while (mouse->buttons)
readmouse(mousectl);
}

1138
text.c

File diff suppressed because it is too large Load diff

69
time.c
View file

@ -13,32 +13,18 @@
#include "fns.h"
static Channel* ctimer; /* chan(Timer*)[100] */
static Timer *timer;
static Timer* timer;
static
uint
msec(void)
{
return nsec()/1000000;
}
static uint msec(void) { return nsec() / 1000000; }
void
timerstop(Timer *t)
{
void timerstop(Timer* t) {
t->next = timer;
timer = t;
}
void
timercancel(Timer *t)
{
t->cancel = TRUE;
}
void timercancel(Timer* t) { t->cancel = TRUE; }
static
void
timerproc(void *v)
{
static void timerproc(void* v) {
int i, nt, na, dt, del;
Timer **t, *x;
uint old, new;
@ -50,68 +36,65 @@ timerproc(void *v)
na = 0;
nt = 0;
old = msec();
for(;;){
sleep(10); /* longer sleeps here delay recv on ctimer, but 10ms should not be noticeable */
for (;;) {
sleep(10); /* longer sleeps here delay recv on ctimer, but 10ms should not
be noticeable */
new = msec();
dt = new-old;
dt = new - old;
old = new;
if(dt < 0) /* timer wrapped; go around, losing a tick */
if (dt < 0) /* timer wrapped; go around, losing a tick */
continue;
for(i=0; i<nt; i++){
for (i = 0; i < nt; i++) {
x = t[i];
x->dt -= dt;
del = FALSE;
if(x->cancel){
if (x->cancel) {
timerstop(x);
del = TRUE;
}else if(x->dt <= 0){
} else if (x->dt <= 0) {
/*
* avoid possible deadlock if client is
* now sending on ctimer
*/
if(nbsendul(x->c, 0) > 0)
if (nbsendul(x->c, 0) > 0)
del = TRUE;
}
if(del){
memmove(&t[i], &t[i+1], (nt-i-1)*sizeof t[0]);
if (del) {
memmove(&t[i], &t[i + 1], (nt - i - 1) * sizeof t[0]);
--nt;
--i;
}
}
if(nt == 0){
if (nt == 0) {
x = recvp(ctimer);
gotit:
if(nt == na){
if (nt == na) {
na += 10;
t = realloc(t, na*sizeof(Timer*));
if(t == nil)
t = realloc(t, na * sizeof(Timer*));
if (t == nil)
error("timer realloc failed");
}
t[nt++] = x;
old = msec();
}
if(nbrecv(ctimer, &x) > 0)
if (nbrecv(ctimer, &x) > 0)
goto gotit;
}
}
void
timerinit(void)
{
void timerinit(void) {
ctimer = chancreate(sizeof(Timer*), 100);
chansetname(ctimer, "ctimer");
proccreate(timerproc, nil, STACK);
}
Timer*
timerstart(int dt)
{
Timer *t;
Timer* timerstart(int dt) {
Timer* t;
t = timer;
if(t)
if (t)
timer = timer->next;
else{
else {
t = emalloc(sizeof(Timer));
t->c = chancreate(sizeof(int), 0);
chansetname(t->c, "tc%p", t->c);

305
util.c
View file

@ -13,11 +13,9 @@
#include "fns.h"
static Point prevmouse;
static Window *mousew;
static Window* mousew;
Range
range(int q0, int q1)
{
Range range(int q0, int q1) {
Range r;
r.q0 = q0;
@ -25,9 +23,7 @@ range(int q0, int q1)
return r;
}
Runestr
runestr(Rune *r, uint n)
{
Runestr runestr(Rune* r, uint n) {
Runestr rs;
rs.r = r;
@ -35,11 +31,9 @@ runestr(Rune *r, uint n)
return rs;
}
void
cvttorunes(char *p, int n, Rune *r, int *nb, int *nr, int *nulls)
{
uchar *q;
Rune *s;
void cvttorunes(char* p, int n, Rune* r, int* nb, int* nr, int* nulls) {
uchar* q;
Rune* s;
int j, w;
/*
@ -51,80 +45,74 @@ cvttorunes(char *p, int n, Rune *r, int *nb, int *nr, int *nulls)
*/
q = (uchar*)p;
s = r;
for(j=0; j<n; j+=w){
if(*q < Runeself){
for (j = 0; j < n; j += w) {
if (*q < Runeself) {
w = 1;
*s = *q++;
}else{
} else {
w = chartorune(s, (char*)q);
q += w;
}
if(*s)
if (*s)
s++;
else if(nulls)
else if (nulls)
*nulls = TRUE;
}
*nb = (char*)q-p;
*nr = s-r;
*nb = (char*)q - p;
*nr = s - r;
}
void
error(char *s)
{
void error(char* s) {
fprint(2, "acme: %s: %r\n", s);
threadexitsall(nil);
}
Window*
errorwin1(Rune *dir, int ndir, Rune **incl, int nincl)
{
Window *w;
Rune *r;
Window* errorwin1(Rune* dir, int ndir, Rune** incl, int nincl) {
Window* w;
Rune* r;
int i, n;
static Rune Lpluserrors[] = { '+', 'E', 'r', 'r', 'o', 'r', 's', 0 };
static Rune Lpluserrors[] = {'+', 'E', 'r', 'r', 'o', 'r', 's', 0};
r = runemalloc(ndir+8);
if((n = ndir) != 0){
r = runemalloc(ndir + 8);
if ((n = ndir) != 0) {
runemove(r, dir, ndir);
r[n++] = L'/';
}
runemove(r+n, Lpluserrors, 7);
runemove(r + n, Lpluserrors, 7);
n += 7;
w = lookfile(r, n);
if(w == nil){
if(row.ncol == 0)
if(rowadd(&row, nil, -1) == nil)
if (w == nil) {
if (row.ncol == 0)
if (rowadd(&row, nil, -1) == nil)
error("can't create column to make error window");
w = coladd(row.col[row.ncol-1], nil, nil, -1);
w = coladd(row.col[row.ncol - 1], nil, nil, -1);
w->filemenu = FALSE;
winsetname(w, r, n);
xfidlog(w, "new");
}
free(r);
for(i=nincl; --i>=0; ){
for (i = nincl; --i >= 0;) {
n = runestrlen(incl[i]);
r = runemalloc(n);
runemove(r, incl[i], n);
winaddincl(w, r, n);
}
for(i=0; i<NINDENT; i++)
for (i = 0; i < NINDENT; i++)
w->indent[i] = globalindent[i];
return w;
}
/* make new window, if necessary; return with it locked */
Window*
errorwin(Mntdir *md, int owner)
{
Window *w;
Window* errorwin(Mntdir* md, int owner) {
Window* w;
for(;;){
if(md == nil)
for (;;) {
if (md == nil)
w = errorwin1(nil, 0, nil, 0);
else
w = errorwin1(md->dir, md->ndir, md->incl, md->nincl);
winlock(w, owner);
if(w->col != nil)
if (w->col != nil)
break;
/* window was deleted too fast */
winunlock(w);
@ -137,37 +125,35 @@ errorwin(Mntdir *md, int owner)
* It will be unlocked and returned window
* will be locked in its place.
*/
Window*
errorwinforwin(Window *w)
{
Window* errorwinforwin(Window* w) {
int i, n, nincl, owner;
Rune **incl;
Rune** incl;
Runestr dir;
Text *t;
Text* t;
t = &w->body;
dir = dirname(t, nil, 0);
if(dir.nr==1 && dir.r[0]=='.'){ /* sigh */
if (dir.nr == 1 && dir.r[0] == '.') { /* sigh */
free(dir.r);
dir.r = nil;
dir.nr = 0;
}
incl = nil;
nincl = w->nincl;
if(nincl > 0){
incl = emalloc(nincl*sizeof(Rune*));
for(i=0; i<nincl; i++){
if (nincl > 0) {
incl = emalloc(nincl * sizeof(Rune*));
for (i = 0; i < nincl; i++) {
n = runestrlen(w->incl[i]);
incl[i] = runemalloc(n+1);
incl[i] = runemalloc(n + 1);
runemove(incl[i], w->incl[i], n);
}
}
owner = w->owner;
winunlock(w);
for(;;){
for (;;) {
w = errorwin1(dir.r, dir.nr, incl, nincl);
winlock(w, owner);
if(w->col != nil)
if (w->col != nil)
break;
/* window deleted too fast */
winunlock(w);
@ -177,22 +163,19 @@ errorwinforwin(Window *w)
typedef struct Warning Warning;
struct Warning{
Mntdir *md;
struct Warning {
Mntdir* md;
Buffer buf;
Warning *next;
Warning* next;
};
static Warning *warnings;
static Warning* warnings;
static
void
addwarningtext(Mntdir *md, Rune *r, int nr)
{
Warning *warn;
static void addwarningtext(Mntdir* md, Rune* r, int nr) {
Warning* warn;
for(warn = warnings; warn; warn=warn->next){
if(warn->md == md){
for (warn = warnings; warn; warn = warn->next) {
if (warn->md == md) {
bufinsert(&warn->buf, warn->buf.nc, r, nr);
return;
}
@ -200,7 +183,7 @@ addwarningtext(Mntdir *md, Rune *r, int nr)
warn = emalloc(sizeof(Warning));
warn->next = warnings;
warn->md = md;
if(md)
if (md)
fsysincid(md);
warnings = warn;
bufinsert(&warn->buf, 0, r, nr);
@ -208,20 +191,18 @@ addwarningtext(Mntdir *md, Rune *r, int nr)
}
/* called while row is locked */
void
flushwarnings(void)
{
void flushwarnings(void) {
Warning *warn, *next;
Window *w;
Text *t;
Window* w;
Text* t;
int owner, nr, q0, n;
Rune *r;
Rune* r;
for(warn=warnings; warn; warn=next) {
for (warn = warnings; warn; warn = next) {
w = errorwin(warn->md, 'E');
t = &w->body;
owner = w->owner;
if(owner == 0)
if (owner == 0)
w->owner = 'E';
wincommit(w, t);
/*
@ -234,9 +215,9 @@ flushwarnings(void)
*/
r = fbufalloc();
q0 = t->file->b.nc;
for(n = 0; n < warn->buf.nc; n += nr){
for (n = 0; n < warn->buf.nc; n += nr) {
nr = warn->buf.nc - n;
if(nr > RBUFSIZE)
if (nr > RBUFSIZE)
nr = RBUFSIZE;
bufread(&warn->buf, n, r, nr);
textbsinsert(t, t->file->b.nc, r, nr, TRUE, &nr);
@ -250,117 +231,95 @@ flushwarnings(void)
winunlock(w);
bufclose(&warn->buf);
next = warn->next;
if(warn->md)
if (warn->md)
fsysdelid(warn->md);
free(warn);
}
warnings = nil;
}
void
warning(Mntdir *md, char *s, ...)
{
Rune *r;
void warning(Mntdir* md, char* s, ...) {
Rune* r;
va_list arg;
va_start(arg, s);
r = runevsmprint(s, arg);
va_end(arg);
if(r == nil)
if (r == nil)
error("runevsmprint failed");
addwarningtext(md, r, runestrlen(r));
free(r);
}
int
runeeq(Rune *s1, uint n1, Rune *s2, uint n2)
{
if(n1 != n2)
int runeeq(Rune* s1, uint n1, Rune* s2, uint n2) {
if (n1 != n2)
return FALSE;
return memcmp(s1, s2, n1*sizeof(Rune)) == 0;
return memcmp(s1, s2, n1 * sizeof(Rune)) == 0;
}
uint
min(uint a, uint b)
{
if(a < b)
uint min(uint a, uint b) {
if (a < b)
return a;
return b;
}
uint
max(uint a, uint b)
{
if(a > b)
uint max(uint a, uint b) {
if (a > b)
return a;
return b;
}
char*
runetobyte(Rune *r, int n)
{
char *s;
char* runetobyte(Rune* r, int n) {
char* s;
if(r == nil)
if (r == nil)
return nil;
s = emalloc(n*UTFmax+1);
s = emalloc(n * UTFmax + 1);
setmalloctag(s, getcallerpc(&r));
snprint(s, n*UTFmax+1, "%.*S", n, r);
snprint(s, n * UTFmax + 1, "%.*S", n, r);
return s;
}
Rune*
bytetorune(char *s, int *ip)
{
Rune *r;
Rune* bytetorune(char* s, int* ip) {
Rune* r;
int nb, nr;
nb = strlen(s);
r = runemalloc(nb+1);
r = runemalloc(nb + 1);
cvttorunes(s, nb, r, &nb, &nr, nil);
r[nr] = '\0';
*ip = nr;
return r;
}
int
isalnum(Rune c)
{
int isalnum(Rune c) {
/*
* Hard to get absolutely right. Use what we know about ASCII
* and assume anything above the Latin control characters is
* potentially an alphanumeric.
*/
if(c <= ' ')
if (c <= ' ')
return FALSE;
if(0x7F<=c && c<=0xA0)
if (0x7F <= c && c <= 0xA0)
return FALSE;
if(utfrune("!\"#$%&'()*+,-./:;<=>?@[\\]^`{|}~", c))
if (utfrune("!\"#$%&'()*+,-./:;<=>?@[\\]^`{|}~", c))
return FALSE;
return TRUE;
}
int
rgetc(void *v, uint n)
{
return ((Rune*)v)[n];
}
int rgetc(void* v, uint n) { return ((Rune*)v)[n]; }
int
tgetc(void *a, uint n)
{
Text *t;
int tgetc(void* a, uint n) {
Text* t;
t = a;
if(n >= t->file->b.nc)
if (n >= t->file->b.nc)
return 0;
return textreadc(t, n);
}
Rune*
skipbl(Rune *r, int n, int *np)
{
while(n>0 && (*r==' ' || *r=='\t' || *r=='\n')){
Rune* skipbl(Rune* r, int n, int* np) {
while (n > 0 && (*r == ' ' || *r == '\t' || *r == '\n')) {
--n;
r++;
}
@ -368,10 +327,8 @@ skipbl(Rune *r, int n, int *np)
return r;
}
Rune*
findbl(Rune *r, int n, int *np)
{
while(n>0 && *r!=' ' && *r!='\t' && *r!='\n'){
Rune* findbl(Rune* r, int n, int* np) {
while (n > 0 && *r != ' ' && *r != '\t' && *r != '\n') {
--n;
r++;
}
@ -379,20 +336,16 @@ findbl(Rune *r, int n, int *np)
return r;
}
void
savemouse(Window *w)
{
void savemouse(Window* w) {
prevmouse = mouse->xy;
mousew = w;
}
int
restoremouse(Window *w)
{
int restoremouse(Window* w) {
int did;
did = 0;
if(mousew!=nil && mousew==w) {
if (mousew != nil && mousew == w) {
moveto(mousectl, prevmouse);
did = 1;
}
@ -400,42 +353,32 @@ restoremouse(Window *w)
return did;
}
void
clearmouse()
{
mousew = nil;
}
void clearmouse() { mousew = nil; }
char*
estrdup(char *s)
{
char *t;
char* estrdup(char* s) {
char* t;
t = strdup(s);
if(t == nil)
if (t == nil)
error("strdup failed");
setmalloctag(t, getcallerpc(&s));
return t;
}
void*
emalloc(uint n)
{
void *p;
void* emalloc(uint n) {
void* p;
p = malloc(n);
if(p == nil)
if (p == nil)
error("malloc failed");
setmalloctag(p, getcallerpc(&n));
memset(p, 0, n);
return p;
}
void*
erealloc(void *p, uint n)
{
void* erealloc(void* p, uint n) {
p = realloc(p, n);
if(p == nil)
if (p == nil)
error("realloc failed");
setmalloctag(p, getcallerpc(&n));
return p;
@ -444,53 +387,53 @@ erealloc(void *p, uint n)
/*
* Heuristic city.
*/
Window*
makenewwindow(Text *t)
{
Column *c;
Window* makenewwindow(Text* t) {
Column* c;
Window *w, *bigw, *emptyw;
Text *emptyb;
Text* emptyb;
int i, y, el;
if(activecol)
if (activecol)
c = activecol;
else if(seltext && seltext->col)
else if (seltext && seltext->col)
c = seltext->col;
else if(t && t->col)
else if (t && t->col)
c = t->col;
else{
if(row.ncol==0 && rowadd(&row, nil, -1)==nil)
else {
if (row.ncol == 0 && rowadd(&row, nil, -1) == nil)
error("can't make column");
c = row.col[row.ncol-1];
c = row.col[row.ncol - 1];
}
activecol = c;
if(t==nil || t->w==nil || c->nw==0)
if (t == nil || t->w == nil || c->nw == 0)
return coladd(c, nil, nil, -1);
/* find biggest window and biggest blank spot */
emptyw = c->w[0];
bigw = emptyw;
for(i=1; i<c->nw; i++){
for (i = 1; i < c->nw; i++) {
w = c->w[i];
/* use >= to choose one near bottom of screen */
if(w->body.fr.maxlines >= bigw->body.fr.maxlines)
if (w->body.fr.maxlines >= bigw->body.fr.maxlines)
bigw = w;
if(w->body.fr.maxlines-w->body.fr.nlines >= emptyw->body.fr.maxlines-emptyw->body.fr.nlines)
if (
w->body.fr.maxlines - w->body.fr.nlines >=
emptyw->body.fr.maxlines - emptyw->body.fr.nlines)
emptyw = w;
}
emptyb = &emptyw->body;
el = emptyb->fr.maxlines-emptyb->fr.nlines;
el = emptyb->fr.maxlines - emptyb->fr.nlines;
/* if empty space is big, use it */
if(el>15 || (el>3 && el>(bigw->body.fr.maxlines-1)/2))
y = emptyb->fr.r.min.y+emptyb->fr.nlines*font->height;
else{
if (el > 15 || (el > 3 && el > (bigw->body.fr.maxlines - 1) / 2))
y = emptyb->fr.r.min.y + emptyb->fr.nlines * font->height;
else {
/* if this window is in column and isn't much smaller, split it */
if(t->col==c && Dy(t->w->r)>2*Dy(bigw->r)/3)
if (t->col == c && Dy(t->w->r) > 2 * Dy(bigw->r) / 3)
bigw = t->w;
y = (bigw->r.min.y + bigw->r.max.y)/2;
y = (bigw->r.min.y + bigw->r.max.y) / 2;
}
w = coladd(c, nil, nil, y);
if(w->body.fr.maxlines < 2)
if (w->body.fr.maxlines < 2)
colgrow(w->col, w, 1);
return w;
}

501
wind.c
View file

@ -14,13 +14,11 @@
int winid;
void
wininit(Window *w, Window *clone, Rectangle r)
{
void wininit(Window* w, Window* clone, Rectangle r) {
Rectangle r1, br;
File *f;
Reffont *rf;
Rune *rp;
File* f;
Reffont* rf;
Rune* rp;
int nc, i;
w->tag.w = w;
@ -29,7 +27,7 @@ wininit(Window *w, Window *clone, Rectangle r)
w->body.w = w;
w->id = ++winid;
incref(&w->ref);
if(globalincref)
if (globalincref)
incref(&w->ref);
w->ctlfid = ~0;
w->utflastqid = -1;
@ -37,14 +35,14 @@ wininit(Window *w, Window *clone, Rectangle r)
w->tagtop = r;
w->tagtop.max.y = r.min.y + font->height;
r1.max.y = r1.min.y + w->taglines*font->height;
r1.max.y = r1.min.y + w->taglines * font->height;
incref(&reffont.ref);
f = fileaddtext(nil, &w->tag);
textinit(&w->tag, f, r1, &reffont, tagcols);
w->tag.what = Tag;
/* tag is a copy of the contents, not a tracked image */
if(clone){
if (clone) {
textdelete(&w->tag, 0, w->tag.file->b.nc, TRUE);
nc = clone->tag.file->b.nc;
rp = runemalloc(nc);
@ -55,22 +53,22 @@ wininit(Window *w, Window *clone, Rectangle r)
textsetselect(&w->tag, nc, nc);
}
r1 = r;
r1.min.y += w->taglines*font->height + 1;
if(r1.max.y < r1.min.y)
r1.min.y += w->taglines * font->height + 1;
if (r1.max.y < r1.min.y)
r1.max.y = r1.min.y;
f = nil;
if(clone){
if (clone) {
f = clone->body.file;
w->body.org = clone->body.org;
w->isscratch = clone->isscratch;
rf = rfget(FALSE, FALSE, FALSE, clone->body.reffont->f->name);
}else
} else
rf = rfget(FALSE, FALSE, FALSE, nil);
f = fileaddtext(f, &w->body);
w->body.what = Body;
textinit(&w->body, f, r1, rf, textcols);
r1.min.y -= 1;
r1.max.y = r1.min.y+1;
r1.max.y = r1.min.y + 1;
draw(screen, r1, tagcols[BORD], nil, ZP);
textscrdraw(&w->body);
w->r = r;
@ -80,11 +78,11 @@ wininit(Window *w, Window *clone, Rectangle r)
draw(screen, br, button, nil, button->r.min);
w->filemenu = TRUE;
w->maxlines = w->body.fr.maxlines;
for(i=0; i<NINDENT; i++)
for (i = 0; i < NINDENT; i++)
w->indent[i] = globalindent[i];
if(clone){
if (clone) {
w->dirty = clone->dirty;
for(i=0; i<NINDENT; i++)
for (i = 0; i < NINDENT; i++)
w->indent[i] = clone->indent[i];
textsetselect(&w->body, clone->body.q0, clone->body.q1);
winsettag(w);
@ -94,14 +92,12 @@ wininit(Window *w, Window *clone, Rectangle r)
/*
* Draw the appropriate button.
*/
void
windrawbutton(Window *w)
{
Image *b;
void windrawbutton(Window* w) {
Image* b;
Rectangle br;
b = button;
if(!w->isdir && !w->isscratch && (w->body.file->mod || w->body.ncache))
if (!w->isdir && !w->isscratch && (w->body.file->mod || w->body.ncache))
b = modbutton;
br.min = w->tag.scrollr.min;
br.max.x = br.min.x + Dx(b->r);
@ -109,46 +105,42 @@ windrawbutton(Window *w)
draw(screen, br, b, nil, b->r.min);
}
int
delrunepos(Window *w)
{
int delrunepos(Window* w) {
int n;
Rune rune;
for(n=0; n<w->tag.file->b.nc; n++) {
for (n = 0; n < w->tag.file->b.nc; n++) {
bufread(&w->tag.file->b, n, &rune, 1);
if(rune == ' ')
if (rune == ' ')
break;
}
n += 2;
if(n >= w->tag.file->b.nc)
if (n >= w->tag.file->b.nc)
return -1;
return n;
}
void
movetodel(Window *w)
{
void movetodel(Window* w) {
int n;
n = delrunepos(w);
if(n < 0)
if (n < 0)
return;
moveto(mousectl, addpt(frptofchar(&w->tag.fr, n), Pt(4, w->tag.fr.font->height-4)));
moveto(
mousectl,
addpt(frptofchar(&w->tag.fr, n), Pt(4, w->tag.fr.font->height - 4)));
}
/*
* Compute number of tag lines required
* to display entire tag text.
*/
int
wintaglines(Window *w, Rectangle r)
{
int wintaglines(Window* w, Rectangle r) {
int n;
Rune rune;
Point p;
if(!w->tagexpand && !w->showdel)
if (!w->tagexpand && !w->showdel)
return 1;
w->showdel = FALSE;
w->tag.fr.noredraw = 1;
@ -156,34 +148,32 @@ wintaglines(Window *w, Rectangle r)
w->tag.fr.noredraw = 0;
w->tagsafe = FALSE;
if(!w->tagexpand) {
if (!w->tagexpand) {
/* use just as many lines as needed to show the Del */
n = delrunepos(w);
if(n < 0)
if (n < 0)
return 1;
p = subpt(frptofchar(&w->tag.fr, n), w->tag.fr.r.min);
return 1 + p.y / w->tag.fr.font->height;
}
/* can't use more than we have */
if(w->tag.fr.nlines >= w->tag.fr.maxlines)
if (w->tag.fr.nlines >= w->tag.fr.maxlines)
return w->tag.fr.maxlines;
/* if tag ends with \n, include empty line at end for typing */
n = w->tag.fr.nlines;
if(w->tag.file->b.nc > 0){
bufread(&w->tag.file->b, w->tag.file->b.nc-1, &rune, 1);
if(rune == '\n')
if (w->tag.file->b.nc > 0) {
bufread(&w->tag.file->b, w->tag.file->b.nc - 1, &rune, 1);
if (rune == '\n')
n++;
}
if(n == 0)
if (n == 0)
n = 1;
return n;
}
int
winresize(Window *w, Rectangle r, int safe, int keepextra)
{
int winresize(Window* w, Rectangle r, int safe, int keepextra) {
int oy, y, mouseintag, mouseinbody;
Point p;
Rectangle r1;
@ -193,36 +183,36 @@ winresize(Window *w, Rectangle r, int safe, int keepextra)
/* tagtop is first line of tag */
w->tagtop = r;
w->tagtop.max.y = r.min.y+font->height;
w->tagtop.max.y = r.min.y + font->height;
r1 = r;
r1.max.y = min(r.max.y, r1.min.y + w->taglines*font->height);
r1.max.y = min(r.max.y, r1.min.y + w->taglines * font->height);
/* If needed, recompute number of lines in tag. */
if(!safe || !w->tagsafe || !eqrect(w->tag.all, r1)){
if (!safe || !w->tagsafe || !eqrect(w->tag.all, r1)) {
w->taglines = wintaglines(w, r);
r1.max.y = min(r.max.y, r1.min.y + w->taglines*font->height);
r1.max.y = min(r.max.y, r1.min.y + w->taglines * font->height);
}
/* If needed, resize & redraw tag. */
y = r1.max.y;
if(!safe || !w->tagsafe || !eqrect(w->tag.all, r1)){
if (!safe || !w->tagsafe || !eqrect(w->tag.all, r1)) {
textresize(&w->tag, r1, TRUE);
y = w->tag.fr.r.max.y;
windrawbutton(w);
w->tagsafe = TRUE;
/* If mouse is in tag, pull up as tag closes. */
if(mouseintag && !ptinrect(mouse->xy, w->tag.all)){
if (mouseintag && !ptinrect(mouse->xy, w->tag.all)) {
p = mouse->xy;
p.y = w->tag.all.max.y-3;
p.y = w->tag.all.max.y - 3;
moveto(mousectl, p);
}
/* If mouse is in body, push down as tag expands. */
if(mouseinbody && ptinrect(mouse->xy, w->tag.all)){
if (mouseinbody && ptinrect(mouse->xy, w->tag.all)) {
p = mouse->xy;
p.y = w->tag.all.max.y+3;
p.y = w->tag.all.max.y + 3;
moveto(mousectl, p);
}
}
@ -230,16 +220,16 @@ winresize(Window *w, Rectangle r, int safe, int keepextra)
/* If needed, resize & redraw body. */
r1 = r;
r1.min.y = y;
if(!safe || !eqrect(w->body.all, r1)){
if (!safe || !eqrect(w->body.all, r1)) {
oy = y;
if(y+1+w->body.fr.font->height <= r.max.y){ /* room for one line */
if (y + 1 + w->body.fr.font->height <= r.max.y) { /* room for one line */
r1.min.y = y;
r1.max.y = y+1;
r1.max.y = y + 1;
draw(screen, r1, tagcols[BORD], nil, ZP);
y++;
r1.min.y = min(y, r.max.y);
r1.max.y = r.max.y;
}else{
} else {
r1.min.y = y;
r1.max.y = y;
}
@ -253,30 +243,24 @@ winresize(Window *w, Rectangle r, int safe, int keepextra)
return w->r.max.y;
}
void
winlock1(Window *w, int owner)
{
void winlock1(Window* w, int owner) {
incref(&w->ref);
qlock(&w->lk);
w->owner = owner;
}
void
winlock(Window *w, int owner)
{
void winlock(Window* w, int owner) {
int i;
File *f;
File* f;
f = w->body.file;
for(i=0; i<f->ntext; i++)
for (i = 0; i < f->ntext; i++)
winlock1(f->text[i]->w, owner);
}
void
winunlock(Window *w)
{
void winunlock(Window* w) {
int i;
File *f;
File* f;
/*
* subtle: loop runs backwards to avoid tripping over
@ -284,7 +268,7 @@ winunlock(Window *w)
* on the last iteration of the loop.
*/
f = w->body.file;
for(i=f->ntext-1; i>=0; i--){
for (i = f->ntext - 1; i >= 0; i--) {
w = f->text[i]->w;
w->owner = 0;
qunlock(&w->lk);
@ -292,21 +276,18 @@ winunlock(Window *w)
}
}
void
winmousebut(Window *w)
{
moveto(mousectl, addpt(w->tag.scrollr.min,
divpt(Pt(Dx(w->tag.scrollr), font->height), 2)));
void winmousebut(Window* w) {
moveto(
mousectl,
addpt(w->tag.scrollr.min, divpt(Pt(Dx(w->tag.scrollr), font->height), 2)));
}
void
windirfree(Window *w)
{
void windirfree(Window* w) {
int i;
Dirlist *dl;
Dirlist* dl;
if(w->isdir){
for(i=0; i<w->ndl; i++){
if (w->isdir) {
for (i = 0; i < w->ndl; i++) {
dl = w->dlp[i];
free(dl->r);
free(dl);
@ -317,19 +298,17 @@ windirfree(Window *w)
w->ndl = 0;
}
void
winclose(Window *w)
{
void winclose(Window* w) {
int i;
if(decref(&w->ref) == 0){
if (decref(&w->ref) == 0) {
xfidlog(w, "del");
windirfree(w);
textclose(&w->tag);
textclose(&w->body);
if(activewin == w)
if (activewin == w)
activewin = nil;
for(i=0; i<w->nincl; i++)
for (i = 0; i < w->nincl; i++)
free(w->incl[i]);
free(w->incl);
free(w->events);
@ -337,13 +316,11 @@ winclose(Window *w)
}
}
void
windelete(Window *w)
{
Xfid *x;
void windelete(Window* w) {
Xfid* x;
x = w->eventx;
if(x){
if (x) {
w->nevents = 0;
free(w->events);
w->events = nil;
@ -352,164 +329,183 @@ windelete(Window *w)
}
}
void
winundo(Window *w, int isundo)
{
Text *body;
void winundo(Window* w, int isundo) {
Text* body;
int i;
File *f;
Window *v;
File* f;
Window* v;
w->utflastqid = -1;
body = &w->body;
fileundo(body->file, isundo, &body->q0, &body->q1);
textshow(body, body->q0, body->q1, 1);
f = body->file;
for(i=0; i<f->ntext; i++){
for (i = 0; i < f->ntext; i++) {
v = f->text[i]->w;
v->dirty = (f->seq != v->putseq);
if(v != w){
v->body.q0 = v->body.fr.p0+v->body.org;
v->body.q1 = v->body.fr.p1+v->body.org;
if (v != w) {
v->body.q0 = v->body.fr.p0 + v->body.org;
v->body.q1 = v->body.fr.p1 + v->body.org;
}
}
winsettag(w);
}
void
winsetname(Window *w, Rune *name, int n)
{
Text *t;
Window *v;
void winsetname(Window* w, Rune* name, int n) {
Text* t;
Window* v;
int i;
static Rune Lslashguide[] = { '/', 'g', 'u', 'i', 'd', 'e', 0 };
static Rune Lpluserrors[] = { '+', 'E', 'r', 'r', 'o', 'r', 's', 0 };
static Rune Lslashguide[] = {'/', 'g', 'u', 'i', 'd', 'e', 0};
static Rune Lpluserrors[] = {'+', 'E', 'r', 'r', 'o', 'r', 's', 0};
t = &w->body;
if(runeeq(t->file->name, t->file->nname, name, n) == TRUE)
if (runeeq(t->file->name, t->file->nname, name, n) == TRUE)
return;
w->isscratch = FALSE;
if(n>=6 && runeeq(Lslashguide, 6, name+(n-6), 6))
if (n >= 6 && runeeq(Lslashguide, 6, name + (n - 6), 6))
w->isscratch = TRUE;
else if(n>=7 && runeeq(Lpluserrors, 7, name+(n-7), 7))
else if (n >= 7 && runeeq(Lpluserrors, 7, name + (n - 7), 7))
w->isscratch = TRUE;
filesetname(t->file, name, n);
for(i=0; i<t->file->ntext; i++){
for (i = 0; i < t->file->ntext; i++) {
v = t->file->text[i]->w;
winsettag(v);
v->isscratch = w->isscratch;
}
}
void
wintype(Window *w, Text *t, Rune r)
{
void wintype(Window* w, Text* t, Rune r) {
int i;
texttype(t, r);
if(t->what == Body)
for(i=0; i<t->file->ntext; i++)
if (t->what == Body)
for (i = 0; i < t->file->ntext; i++)
textscrdraw(t->file->text[i]);
winsettag(w);
}
void
wincleartag(Window *w)
{
void wincleartag(Window* w) {
int i, n;
Rune *r;
Rune* r;
/* w must be committed */
n = w->tag.file->b.nc;
r = runemalloc(n);
bufread(&w->tag.file->b, 0, r, n);
for(i=0; i<n; i++)
if(r[i]==' ' || r[i]=='\t')
r = parsetag(w, &i);
for (; i < n; i++)
if (r[i] == '|')
break;
for(; i<n; i++)
if(r[i] == '|')
break;
if(i == n)
if (i == n)
return;
i++;
textdelete(&w->tag, i, n, TRUE);
free(r);
w->tag.file->mod = FALSE;
if(w->tag.q0 > i)
if (w->tag.q0 > i)
w->tag.q0 = i;
if(w->tag.q1 > i)
if (w->tag.q1 > i)
w->tag.q1 = i;
textsetselect(&w->tag, w->tag.q0, w->tag.q1);
}
void
winsettag1(Window *w)
{
int i, j, k, n, bar, dirty, resize;
Rune *new, *old, *r;
uint q0, q1;
static Rune Ldelsnarf[] = { ' ', 'D', 'e', 'l', ' ',
'S', 'n', 'a', 'r', 'f', 0 };
static Rune Lundo[] = { ' ', 'U', 'n', 'd', 'o', 0 };
static Rune Lredo[] = { ' ', 'R', 'e', 'd', 'o', 0 };
static Rune Lget[] = { ' ', 'G', 'e', 't', 0 };
static Rune Lput[] = { ' ', 'P', 'u', 't', 0 };
static Rune Llook[] = { ' ', 'L', 'o', 'o', 'k', ' ', 0 };
static Rune Lpipe[] = { ' ', '|', 0 };
Rune* parsetag(Window* w, int* len) {
static Rune Ldelsnarf[] =
{' ', 'D', 'e', 'l', ' ', 'S', 'n', 'a', 'r', 'f', 0};
static Rune Lspacepipe[] = {' ', '|', 0};
static Rune Ltabpipe[] = {' ', '|', 0};
int i;
Rune *r, *p, *pipe;
/* there are races that get us here with stuff in the tag cache, so we take extra care to sync it */
if(w->tag.ncache!=0 || w->tag.file->mod)
wincommit(w, &w->tag); /* check file name; also guarantees we can modify tag contents */
old = runemalloc(w->tag.file->b.nc+1);
bufread(&w->tag.file->b, 0, old, w->tag.file->b.nc);
old[w->tag.file->b.nc] = '\0';
for(i=0; i<w->tag.file->b.nc; i++)
if(old[i]==' ' || old[i]=='\t')
r = runemalloc(w->tag.file->b.nc + 1);
bufread(&w->tag.file->b, 0, r, w->tag.file->b.nc);
r[w->tag.file->b.nc] = '\0';
for (i = 0; i < w->tag.file->b.nc; i++)
if (r[i] == ' ' || r[i] == '\t')
break;
if(runeeq(old, i, w->body.file->name, w->body.file->nname) == FALSE){
/*
* " |" or "\t|" ends left half of tag
* If we find " Del Snarf" in the left half of the tag
* (before the pipe), that ends the file name.
*/
pipe = runestrstr(r, Lspacepipe);
if ((p = runestrstr(r, Ltabpipe)) != nil && (pipe == nil || p < pipe))
pipe = p;
if ((p = runestrstr(r, Ldelsnarf)) != nil && (pipe == nil || p < pipe))
i = p - r;
else {
for (i = 0; i < w->tag.file->b.nc; i++)
if (r[i] == ' ' || r[i] == '\t')
break;
}
*len = i;
return r;
}
void winsettag1(Window* w) {
int i, j, k, n, bar, dirty, resize;
Rune* new, *old, *r;
uint q0, q1;
static Rune Ldelsnarf[] =
{' ', 'D', 'e', 'l', ' ', 'S', 'n', 'a', 'r', 'f', 0};
static Rune Lundo[] = {' ', 'U', 'n', 'd', 'o', 0};
static Rune Lredo[] = {' ', 'R', 'e', 'd', 'o', 0};
static Rune Lget[] = {' ', 'G', 'e', 't', 0};
static Rune Lput[] = {' ', 'P', 'u', 't', 0};
static Rune Llook[] = {' ', 'L', 'o', 'o', 'k', ' ', 0};
static Rune Lpipe[] = {' ', '|', 0};
/* there are races that get us here with stuff in the tag cache, so we take
* extra care to sync it */
if (w->tag.ncache != 0 || w->tag.file->mod)
wincommit(w, &w->tag); /* check file name; also guarantees we can modify tag
contents */
old = parsetag(w, &i);
if (runeeq(old, i, w->body.file->name, w->body.file->nname) == FALSE) {
textdelete(&w->tag, 0, i, TRUE);
textinsert(&w->tag, 0, w->body.file->name, w->body.file->nname, TRUE);
free(old);
old = runemalloc(w->tag.file->b.nc+1);
old = runemalloc(w->tag.file->b.nc + 1);
bufread(&w->tag.file->b, 0, old, w->tag.file->b.nc);
old[w->tag.file->b.nc] = '\0';
}
/* compute the text for the whole tag, replacing current only if it differs */
new = runemalloc(w->body.file->nname+100);
new = runemalloc(w->body.file->nname + 100);
i = 0;
runemove(new+i, w->body.file->name, w->body.file->nname);
runemove(new + i, w->body.file->name, w->body.file->nname);
i += w->body.file->nname;
runemove(new+i, Ldelsnarf, 10);
runemove(new + i, Ldelsnarf, 10);
i += 10;
if(w->filemenu){
if(w->body.needundo || w->body.file->delta.nc>0 || w->body.ncache){
runemove(new+i, Lundo, 5);
if (w->filemenu) {
if (w->body.needundo || w->body.file->delta.nc > 0 || w->body.ncache) {
runemove(new + i, Lundo, 5);
i += 5;
}
if(w->body.file->epsilon.nc > 0){
runemove(new+i, Lredo, 5);
if (w->body.file->epsilon.nc > 0) {
runemove(new + i, Lredo, 5);
i += 5;
}
dirty = w->body.file->nname && (w->body.ncache || w->body.file->seq!=w->putseq);
if(!w->isdir && dirty){
runemove(new+i, Lput, 4);
dirty =
w->body.file->nname && (w->body.ncache || w->body.file->seq != w->putseq);
if (!w->isdir && dirty) {
runemove(new + i, Lput, 4);
i += 4;
}
}
if(w->isdir){
runemove(new+i, Lget, 4);
if (w->isdir) {
runemove(new + i, Lget, 4);
i += 4;
}
runemove(new+i, Lpipe, 2);
runemove(new + i, Lpipe, 2);
i += 2;
r = runestrchr(old, '|');
if(r)
k = r-old+1;
else{
if (r)
k = r - old + 1;
else {
k = w->tag.file->b.nc;
if(w->body.file->seq == 0){
runemove(new+i, Llook, 6);
if (w->body.file->seq == 0) {
runemove(new + i, Llook, 6);
i += 6;
}
}
@ -517,80 +513,72 @@ winsettag1(Window *w)
/* replace tag if the new one is different */
resize = 0;
if(runeeq(new, i, old, k) == FALSE){
if (runeeq(new, i, old, k) == FALSE) {
resize = 1;
n = k;
if(n > i)
if (n > i)
n = i;
for(j=0; j<n; j++)
if(old[j] != new[j])
for (j = 0; j < n; j++)
if (old[j] != new[j])
break;
q0 = w->tag.q0;
q1 = w->tag.q1;
textdelete(&w->tag, j, k, TRUE);
textinsert(&w->tag, j, new+j, i-j, TRUE);
textinsert(&w->tag, j, new + j, i - j, TRUE);
/* try to preserve user selection */
r = runestrchr(old, '|');
if(r){
bar = r-old;
if(q0 > bar){
bar = (runestrchr(new, '|')-new)-bar;
w->tag.q0 = q0+bar;
w->tag.q1 = q1+bar;
if (r) {
bar = r - old;
if (q0 > bar) {
bar = (runestrchr(new, '|') - new) - bar;
w->tag.q0 = q0 + bar;
w->tag.q1 = q1 + bar;
}
}
}
free(old);
free(new);
w->tag.file->mod = FALSE;
n = w->tag.file->b.nc+w->tag.ncache;
if(w->tag.q0 > n)
n = w->tag.file->b.nc + w->tag.ncache;
if (w->tag.q0 > n)
w->tag.q0 = n;
if(w->tag.q1 > n)
if (w->tag.q1 > n)
w->tag.q1 = n;
textsetselect(&w->tag, w->tag.q0, w->tag.q1);
windrawbutton(w);
if(resize){
if (resize) {
w->tagsafe = 0;
winresize(w, w->r, TRUE, TRUE);
}
}
void
winsettag(Window *w)
{
void winsettag(Window* w) {
int i;
File *f;
Window *v;
File* f;
Window* v;
f = w->body.file;
for(i=0; i<f->ntext; i++){
for (i = 0; i < f->ntext; i++) {
v = f->text[i]->w;
if(v->col->safe || v->body.fr.maxlines>0)
if (v->col->safe || v->body.fr.maxlines > 0)
winsettag1(v);
}
}
void
wincommit(Window *w, Text *t)
{
Rune *r;
void wincommit(Window* w, Text* t) {
Rune* r;
int i;
File *f;
File* f;
textcommit(t, TRUE);
f = t->file;
if(f->ntext > 1)
for(i=0; i<f->ntext; i++)
if (f->ntext > 1)
for (i = 0; i < f->ntext; i++)
textcommit(f->text[i], FALSE); /* no-op for t */
if(t->what == Body)
if (t->what == Body)
return;
r = runemalloc(w->tag.file->b.nc);
bufread(&w->tag.file->b, 0, r, w->tag.file->b.nc);
for(i=0; i<w->tag.file->b.nc; i++)
if(r[i]==' ' || r[i]=='\t')
break;
if(runeeq(r, i, w->body.file->name, w->body.file->nname) == FALSE){
r = parsetag(w, &i);
if (runeeq(r, i, w->body.file->name, w->body.file->nname) == FALSE) {
seq++;
filemark(w->body.file);
w->body.file->mod = TRUE;
@ -601,17 +589,15 @@ wincommit(Window *w, Text *t)
free(r);
}
void
winaddincl(Window *w, Rune *r, int n)
{
char *a;
Dir *d;
void winaddincl(Window* w, Rune* r, int n) {
char* a;
Dir* d;
Runestr rs;
a = runetobyte(r, n);
d = dirstat(a);
if(d == nil){
if(a[0] == '/')
if (d == nil) {
if (a[0] == '/')
goto Rescue;
rs = dirname(&w->body, r, n);
r = rs.r;
@ -619,13 +605,13 @@ winaddincl(Window *w, Rune *r, int n)
free(a);
a = runetobyte(r, n);
d = dirstat(a);
if(d == nil)
if (d == nil)
goto Rescue;
r = runerealloc(r, n+1);
r = runerealloc(r, n + 1);
r[n] = 0;
}
free(a);
if((d->qid.type&QTDIR) == 0){
if ((d->qid.type & QTDIR) == 0) {
free(d);
warning(nil, "%s: not a directory\n", a);
free(r);
@ -633,9 +619,9 @@ winaddincl(Window *w, Rune *r, int n)
}
free(d);
w->nincl++;
w->incl = realloc(w->incl, w->nincl*sizeof(Rune*));
memmove(w->incl+1, w->incl, (w->nincl-1)*sizeof(Rune*));
w->incl[0] = runemalloc(n+1);
w->incl = realloc(w->incl, w->nincl * sizeof(Rune*));
memmove(w->incl + 1, w->incl, (w->nincl - 1) * sizeof(Rune*));
w->incl[0] = runemalloc(n + 1);
runemove(w->incl[0], r, n);
free(r);
return;
@ -647,18 +633,17 @@ Rescue:
return;
}
int
winclean(Window *w, int conservative)
{
if(w->isscratch || w->isdir) /* don't whine if it's a guide file, error window, etc. */
int winclean(Window* w, int conservative) {
if (w->isscratch || w->isdir) /* don't whine if it's a guide file, error
window, etc. */
return TRUE;
if(!conservative && w->nopen[QWevent]>0)
if (!conservative && w->nopen[QWevent] > 0)
return TRUE;
if(w->dirty){
if(w->body.file->nname)
if (w->dirty) {
if (w->body.file->nname)
warning(nil, "%.*S modified\n", w->body.file->nname, w->body.file->name);
else{
if(w->body.file->b.nc < 100) /* don't whine if it's too small */
else {
if (w->body.file->b.nc < 100) /* don't whine if it's too small */
return TRUE;
warning(nil, "unnamed file modified\n");
}
@ -668,42 +653,48 @@ winclean(Window *w, int conservative)
return TRUE;
}
char*
winctlprint(Window *w, char *buf, int fonts)
{
sprint(buf, "%11d %11d %11d %11d %11d ", w->id, w->tag.file->b.nc,
w->body.file->b.nc, w->isdir, w->dirty);
if(fonts)
return smprint("%s%11d %q %11d ", buf, Dx(w->body.fr.r),
w->body.reffont->f->name, w->body.fr.maxtab);
char* winctlprint(Window* w, char* buf, int fonts) {
sprint(
buf,
"%11d %11d %11d %11d %11d ",
w->id,
w->tag.file->b.nc,
w->body.file->b.nc,
w->isdir,
w->dirty);
if (fonts)
return smprint(
"%s%11d %q %11d ",
buf,
Dx(w->body.fr.r),
w->body.reffont->f->name,
w->body.fr.maxtab);
return buf;
}
void
winevent(Window *w, char *fmt, ...)
{
void winevent(Window* w, char* fmt, ...) {
int n;
char *b;
Xfid *x;
char* b;
Xfid* x;
va_list arg;
if(w->nopen[QWevent] == 0)
if (w->nopen[QWevent] == 0)
return;
if(w->owner == 0)
if (w->owner == 0)
error("no window owner");
va_start(arg, fmt);
b = vsmprint(fmt, arg);
va_end(arg);
if(b == nil)
if (b == nil)
error("vsmprint failed");
n = strlen(b);
w->events = erealloc(w->events, w->nevents+1+n);
w->events = erealloc(w->events, w->nevents + 1 + n);
w->events[w->nevents++] = w->owner;
memmove(w->events+w->nevents, b, n);
memmove(w->events + w->nevents, b, n);
free(b);
w->nevents += n;
x = w->eventx;
if(x){
if (x) {
w->eventx = nil;
sendp(x->c, nil);
}

605
xfid.c

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