Added strcasestr
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2 changed files with 14 additions and 0 deletions
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@ -35,6 +35,19 @@ char *StringUtil::strdup(const char *s) {
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return n;
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}
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//------- strcasestr --------------
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// TODO: comment this
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//---------------------------------
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const char * StringUtil::strcasestr(const char *str, const char *ptn) {
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const char *s2, *p2;
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for( ; *str; str++) {
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for(s2=str,p2=ptn; ; s2++,p2++) {
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if (!*p2) return str;
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if (toupper(*s2) != toupper(*p2)) break;
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}
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}
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return 0;
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}
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//------------- expandFilename ----------------------
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// if ~ then expand it to home of user
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@ -24,6 +24,7 @@
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struct StringUtil
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{
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static char *strdup(const char *);
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static const char *strcasestr(const char *str, const char *ptn);
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static char *expandFilename(const char *filename);
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};
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