Don't assume snprintf() returns the number of characters formatted.

On some UN*Xes (such as some versions of HP-UX), it doesn't.

diff --git a/print-icmp6.c b/print-icmp6.c
index eaa48b03a1ebd74f025cfa7a6f49e54b1dc891b2..ef5128c947d1c0accf7c47ad191fbc11ae762cac 100644 (file)
--- a/print-icmp6.c
+++ b/print-icmp6.c
@@ -660,8 +660,8 @@ rpl_format_dagid(char dagid_str[65], const u_char *dagid)
                 if(isprint(dagid[i])) {
                         *d++ = dagid[i];
                 } else {
-                        int cnt=snprintf(d,4,"0x%02x", dagid[i]);
-                        d += cnt;
+                        snprintf(d,4,"0x%02x", dagid[i]);
+                        d += 4;
                 }
         }
         *d++ = '\0';