[vlc-commits] vlc_arrays: mitigate bsearch signed overflow

[Francois Cartegnie]

vlc | branch: master | Francois Cartegnie <fcvlcdev at free.fr> | Wed Sep 14 18:16:12 2016 +0200| [53b76149dc42788a58aa160d4590af0e5cfa722d] | committer: Francois Cartegnie

vlc_arrays: mitigate bsearch signed overflow

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=53b76149dc42788a58aa160d4590af0e5cfa722d
---

 include/vlc_arrays.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/vlc_arrays.h b/include/vlc_arrays.h
index 886a7f9..ec3c85c 100644
--- a/include/vlc_arrays.h
+++ b/include/vlc_arrays.h
@@ -168,7 +168,7 @@ static inline void *realloc_down( void *ptr, size_t size )
     int low = 0, high = count - 1;   \
     answer = -1; \
     while( low <= high ) {\
-        int mid = (low + high ) / 2; /* Just don't care about 2^30 tables */ \
+        int mid = ((unsigned int)low + (unsigned int)high) >> 1;\
         zetype mid_val = entries[mid] elem;\
         if( mid_val < key ) \
             low = mid + 1; \