Fix for bug 633247

[m6w6/libmemcached] / libmemcached / connect.c

diff --git a/libmemcached/connect.c b/libmemcached/connect.c
index c4b263e1fe2fadcd8f917aa223b81e17146cf418..75d174b459e3418839a251a9dd2fa14483088d19 100644 (file)
--- a/libmemcached/connect.c
+++ b/libmemcached/connect.c
@@ -95,7 +95,9 @@ static memcached_return_t set_hostinfo(memcached_server_st *server)
   char str_port[NI_MAXSERV];
   uint32_t counter= 5;
 
-  snprintf(str_port, NI_MAXSERV, "%u", (uint32_t)server->port);
+  int length= snprintf(str_port, NI_MAXSERV, "%u", (uint32_t)server->port);
+  if (length >= NI_MAXSERV || length < 0)
+    return MEMCACHED_FAILURE;
 
   memset(&hints, 0, sizeof(hints));