diff options
| -rw-r--r-- | src/xdgmimecache.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/src/xdgmimecache.c b/src/xdgmimecache.c index 57d7e2b..bdcd6a6 100644 --- a/src/xdgmimecache.c +++ b/src/xdgmimecache.c @@ -245,10 +245,15 @@ cache_magic_compare_to_data (XdgMimeCache *cache, size_t len, int *prio) { - xdg_uint32_t priority = GET_UINT32 (cache->buffer, offset); - xdg_uint32_t mimetype_offset = GET_UINT32 (cache->buffer, offset + 4); - xdg_uint32_t n_matchlets = GET_UINT32 (cache->buffer, offset + 8); - xdg_uint32_t matchlet_offset = GET_UINT32 (cache->buffer, offset + 12); + xdg_uint32_t priority, mimetype_offset, n_matchlets, matchlet_offset; + + assert (cache->buffer != NULL); + + priority = GET_UINT32 (cache->buffer, offset); + mimetype_offset = GET_UINT32 (cache->buffer, offset + 4); + n_matchlets = GET_UINT32 (cache->buffer, offset + 8); + matchlet_offset = GET_UINT32 (cache->buffer, offset + 12); + if (OUT_OF_BOUNDS (matchlet_offset, n_matchlets, 32, cache->size)) return NULL; @@ -280,6 +285,8 @@ cache_magic_lookup_data (XdgMimeCache *cache, xdg_uint32_t j; + assert (cache->buffer != NULL); + *prio = 0; list_offset = GET_UINT32 (cache->buffer, 24); |