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Fixed crash in testpalette and potential crash in SDL_LoadBMP_RW()

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--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%403312
This commit is contained in:
Sam Lantinga 2008-12-07 22:25:16 +00:00
parent a1b17450ce
commit 45899bac10
2 changed files with 16 additions and 0 deletions
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14
src/video/SDL_bmp.c
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@ -218,6 +218,20 @@ SDL_LoadBMP_RW(SDL_RWops * src, int freesrc)
if (biClrUsed == 0) {
biClrUsed = 1 << biBitCount;
}
if (biClrUsed > palette->ncolors) {
palette->ncolors = biClrUsed;
palette->colors =
(SDL_Color *) SDL_realloc(palette->colors,
palette->ncolors *
sizeof(*palette->colors));
if (!palette->colors) {
SDL_OutOfMemory();
was_error = 1;
goto done;
}
} else if (biClrUsed < palette->ncolors) {
palette->ncolors = biClrUsed;
}
if (biSize == 12) {
for (i = 0; i < (int) biClrUsed; ++i) {
SDL_RWread(src, &palette->colors[i].b, 1, 1);