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Fix memory leaks in GIF animation loader #116

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Merged
merged 1 commit into from
Jul 31, 2025
Merged

Fix memory leaks in GIF animation loader #116

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13 changes: 13 additions & 0 deletions src/image-gif.c
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Original file line number Diff line number Diff line change
Expand Up @@ -576,6 +576,8 @@ static twin_animation_t *_twin_animation_from_gif_file(const char *path)
uint8_t *color, *frame;
frame = malloc(gif->width * gif->height * 3);
if (!frame) {
free(anim->frame_delays);
free(anim->frames);
free(anim);
gif_close(gif);
return NULL;
Expand All @@ -584,6 +586,12 @@ static twin_animation_t *_twin_animation_from_gif_file(const char *path)
anim->frames[i] =
twin_pixmap_create(TWIN_ARGB32, gif->width, gif->height);
if (!anim->frames[i]) {
/* Free previously allocated pixmaps */
for (twin_count_t j = 0; j < i; j++)
twin_pixmap_destroy(anim->frames[j]);
free(frame);
free(anim->frame_delays);
free(anim->frames);
free(anim);
gif_close(gif);
return NULL;
Expand Down Expand Up @@ -617,7 +625,12 @@ static twin_animation_t *_twin_animation_from_gif_file(const char *path)
}
anim->iter = twin_animation_iter_init(anim);
if (!anim->iter) {
/* Free all allocated pixmaps */
for (twin_count_t i = 0; i < frame_count; i++)
twin_pixmap_destroy(anim->frames[i]);
free(frame);
free(anim->frame_delays);
free(anim->frames);
free(anim);
gif_close(gif);
return NULL;
Expand Down