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tools/libtxt/font.c (free_image, free_font): allow NULL pointer

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This commit is contained in:
Werner Almesberger 2012-06-30 12:59:50 -03:00
parent 350283375c
commit 6ffcd815f9
1 changed files with 8 additions and 4 deletions
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12
tools/libtxt/font.c
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@ -152,8 +152,10 @@ struct image *load_image(const char *name, const char **error)
void free_image(struct image *img)
{
free(img->data);
free(img);
if (img) {
free(img->data);
free(img);
}
}
@ -238,8 +240,10 @@ struct font *make_font(struct image *img, const char **error)
void free_font(struct font *font)
{
free_image(font->img);
free(font);
if (font) {
free_image(font->img);
free(font);
}
}