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Fixed bug 984

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SDL_CreateTexture allows the creation of textures of size 0, which can lead to div by 0 errors
This commit is contained in:
Sam Lantinga 2010-04-15 21:27:32 -07:00
parent 2f71858a7e
commit 6f34ceab02
1 changed files with 4 additions and 0 deletions
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4
src/video/SDL_video.c
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@ -1649,6 +1649,10 @@ SDL_CreateTexture(Uint32 format, int access, int w, int h)
SDL_Unsupported();
return 0;
}
if (w <= 0 || h <= 0) {
SDL_SetError("Texture dimensions can't be 0");
return 0;
}
texture = (SDL_Texture *) SDL_calloc(1, sizeof(*texture));
if (!texture) {
SDL_OutOfMemory();