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image.argb32(): Check for zero height or width
This makes image.argb32() fail in a better way if it is called with a zero size. Bug found by anrxc and reported a FS#597 and FS#599. Signed-off-by: Uli Schlachter <psychon@znc.in> Signed-off-by: Julien Danjou <julien@danjou.info>
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image.c
5
image.c
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@ -303,6 +303,11 @@ luaA_image_argb32_new(lua_State *L)
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unsigned int width = luaL_checknumber(L, 1);
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unsigned int height = luaL_checknumber(L, 2);
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if (width == 0)
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luaL_error(L, "image.argb32() called with zero width");
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if (height == 0)
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luaL_error(L, "image.argb32() called with zero height");
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if(lua_isnil(L, 3))
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{
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uint32_t *data = p_new(uint32_t, width * height);
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