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Track which list (images or saved_images) each image is on so they can be

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removed from the correct list when the total image count is reached. Fixes
crash reported by xlabai at tencent dot com.
This commit is contained in:
Nicholas Marriott
2026-04-27 13:09:07 +01:00
parent 61a7be0eab
commit fc6d94a9f8
3 changed files with 18 additions and 7 deletions
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7
image.c
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@@ -53,14 +53,12 @@ image_log(struct image *im, const char* from, const char* fmt, ...)
static void
image_free(struct image *im)
{
struct screen *s = im->s;
image_log(im, __func__, NULL);
TAILQ_REMOVE(&all_images, im, all_entry);
all_images_count--;
TAILQ_REMOVE(&s->images, im, entry);
TAILQ_REMOVE(im->list, im, entry);
sixel_free(im->data);
free(im->fallback);
free(im);
@@ -137,7 +135,8 @@ image_store(struct screen *s, struct sixel_image *si)
image_fallback(&im->fallback, im->sx, im->sy);
image_log(im, __func__, NULL);
TAILQ_INSERT_TAIL(&s->images, im, entry);
im->list = &s->images;
TAILQ_INSERT_TAIL(im->list, im, entry);
TAILQ_INSERT_TAIL(&all_images, im, all_entry);
if (++all_images_count == MAX_IMAGE_COUNT)