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- add sanity checks for alloc error in gdImageFill

master
pajoye 2007-01-05 04:11:10 +00:00
parent f462306516
commit 4770e2b2d5
1 changed files with 10 additions and 3 deletions
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13
src/gd.c
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@ -1775,8 +1775,9 @@ static int gdImageTileGet (gdImagePtr im, int x, int y)
srcx = x % gdImageSX(im->tile);
srcy = y % gdImageSY(im->tile);
p = gdImageGetPixel(im->tile, srcx, srcy);
if (im->trueColor) {
if (p == im->tile->transparent) {
tileColor = im->transparent;
} else if (im->trueColor) {
if (im->tile->trueColor) {
tileColor = p;
} else {
@ -1821,7 +1822,7 @@ BGD_DECLARE(void) gdImageFill(gdImagePtr im, int x, int y, int nc)
struct seg *stack;
struct seg *sp;
if (!im->trueColor && nc > im->colorsTotal) {
if (!im->trueColor && nc > (im->colorsTotal - 1)) {
return;
}
@ -1841,6 +1842,9 @@ BGD_DECLARE(void) gdImageFill(gdImagePtr im, int x, int y, int nc)
}
stack = (struct seg *)gdMalloc(sizeof(struct seg) * ((int)(im->sy*im->sx)/4));
if (!stack) {
return;
}
sp = stack;
/* required! */
@ -1907,6 +1911,9 @@ void _gdImageFillTiled(gdImagePtr im, int x, int y, int nc)
}
stack = (struct seg *)gdMalloc(sizeof(struct seg) * ((int)(im->sy*im->sx)/4));
if (!stack) {
return;
}
sp = stack;
oc = gdImageGetPixel(im, x, y);