util/disk_cache: error check asprintf()

Fixes: f3d911463e "util/disk_cache: stop using ralloc_asprintf() unnecessarily"

Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
This commit is contained in:
Timothy Arceri
2017-02-09 22:41:15 +11:00
parent 41ad178b13
commit a4086bb531

View File

@@ -339,7 +339,9 @@ get_cache_file(struct disk_cache *cache, cache_key key)
char *filename;
_mesa_sha1_format(buf, key);
asprintf(&filename, "%s/%c%c/%s", cache->path, buf[0], buf[1], buf + 2);
if (asprintf(&filename, "%s/%c%c/%s", cache->path, buf[0],
buf[1], buf + 2) == -1)
return NULL;
return filename;
}
@@ -356,9 +358,10 @@ make_cache_file_directory(struct disk_cache *cache, cache_key key)
char buf[41];
_mesa_sha1_format(buf, key);
asprintf(&dir, "%s/%c%c", cache->path, buf[0], buf[1]);
mkdir_if_needed(dir);
if (asprintf(&dir, "%s/%c%c", cache->path, buf[0], buf[1]) == -1)
return;
mkdir_if_needed(dir);
free(dir);
}
@@ -577,8 +580,7 @@ disk_cache_put(struct disk_cache *cache,
* final destination filename, (to prevent any readers from seeing
* a partially written file).
*/
asprintf(&filename_tmp, "%s.tmp", filename);
if (filename_tmp == NULL)
if (asprintf(&filename_tmp, "%s.tmp", filename) == -1)
goto done;
fd = open(filename_tmp, O_WRONLY | O_CLOEXEC | O_CREAT, 0644);