1 files changed, 3 insertions, 1 deletions

diff --git a/bufaux.c b/bufaux.c
index 23bc0c814..7dafed26e 100644
--- a/bufaux.c
+++ b/bufaux.c
@@ -37,7 +37,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: bufaux.c,v 1.22 2002/01/18 18:14:17 stevesk Exp $");
+RCSID("$OpenBSD: bufaux.c,v 1.23 2002/03/18 17:25:29 provos Exp $");
 
 #include <openssl/bn.h>
 #include "bufaux.h"
@@ -221,6 +221,8 @@ buffer_put_string(Buffer *buffer, const void *buf, u_int len)
 void
 buffer_put_cstring(Buffer *buffer, const char *s)
 {
+        if (s == NULL)
+                fatal("buffer_put_cstring: s == NULL");
         buffer_put_string(buffer, s, strlen(s));
 }