assert for fav_malloc size.

git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@3297 63ad8ddf-47c3-0310-b6dd-a9e9d9715204

1 files changed, 3 insertions, 1 deletions

diff --git a/mbbsd/fav.c b/mbbsd/fav.c
index 6e1398a9..a1f2336a 100644
--- a/mbbsd/fav.c
+++ b/mbbsd/fav.c
@@ -254,7 +254,9 @@ static int get_type_size(int type)
 }
 
 inline static void* fav_malloc(int size){
-    void *p = (void *)malloc(size);
+    void *p;
+    assert(size>0);
+    p = (void *)malloc(size);
     assert(p);
     memset(p, 0, size);
     return p;