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add more size checks

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This commit is contained in:
Dana Jansens 2003-03-23 17:32:07 +00:00
parent 3994683200
commit 6adb3d4454
1 changed files with 2 additions and 3 deletions
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5
render/render.c
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@ -92,7 +92,7 @@ void x_paint(Window win, Appearance *l, int x, int y, int w, int h)
XImage *im = NULL;
Pixmap oldp;
if (w <= 0 || h <= 0) return;
if (w <= 0 || h <= 0 || x+w <= 0 || y+h <= 0) return;
g_assert(l->surface.type == Surface_Planar);
@ -106,8 +106,7 @@ void x_paint(Window win, Appearance *l, int x, int y, int w, int h)
render_colormap);
g_assert(l->xftdraw != NULL);
if (l->surface.data.planar.pixel_data != NULL)
g_free(l->surface.data.planar.pixel_data);
g_free(l->surface.data.planar.pixel_data);
l->surface.data.planar.pixel_data = g_new(pixel32, w * h);
if (l->surface.data.planar.grad == Background_Solid)