only write if dest is non-NULL

2005-08-05 14:38:28 +00:00 · 2005-08-05 14:38:28 +00:00 · fdbb11a4e5
parent dd67233af1
commit fdbb11a4e5
1 changed files with 1 additions and 1 deletions
--- a/socket/fmt_ip6.c
+++ b/socket/fmt_ip6.c
@ -40,7 +40,7 @@ unsigned int fmt_ip6(char *s,const char ip[16])
      }
    }
  }
-  if (compressing) { *s++=':'; ++len; }
+  if (compressing) { if (s) *s++=':'; ++len; }

 /*  if (s) *s=0; */
  return len;