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Avoid segfaults due to frame image cache being absent

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* src/image.c (cache_image): If the frame doesn't have an image
cache, create it.  (Bug#23028)
This commit is contained in:
Eli Zaretskii 2016-03-16 19:04:16 +02:00
parent bc7f6f6329
commit d6d164f611
1 changed files with 3 additions and 0 deletions
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3
src/image.c
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@ -1830,6 +1830,9 @@ cache_image (struct frame *f, struct image *img)
struct image_cache *c = FRAME_IMAGE_CACHE (f); struct image_cache *c = FRAME_IMAGE_CACHE (f);
ptrdiff_t i; ptrdiff_t i;
if (!c)
c = FRAME_IMAGE_CACHE (f) = make_image_cache ();
/* Find a free slot in c->images. */ /* Find a free slot in c->images. */
for (i = 0; i < c->used; ++i) for (i = 0; i < c->used; ++i)
if (c->images[i] == NULL) if (c->images[i] == NULL)