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cursor: Gracefully handle out of memory condition

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If the full path could not be constructed, avoid calling opendir(NULL)
which, depending on library, might trigger undefined behavior.

Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
This commit is contained in:
Tobias Stoeckmann 2024-09-12 20:52:15 +02:00 • committed by Simon Ser
parent 1bee7aa4a7
commit ce0ac4f29e
1 changed files with 5 additions and 1 deletions
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6
cursor/xcursor.c
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@ -686,11 +686,15 @@ load_all_cursors_from_dir(const char *path, int size,
void *user_data) void *user_data)
{ {
FILE *f; FILE *f;
DIR *dir = opendir(path); DIR *dir;
struct dirent *ent; struct dirent *ent;
char *full; char *full;
struct xcursor_images *images; struct xcursor_images *images;
if (!path)
return;
dir = opendir(path);
if (!dir) if (!dir)
return; return;