Convert Port to numeric form before sending it to other nodes.

[tinc] / src / netutl.c

diff --git a/src/netutl.c b/src/netutl.c
index b8ecdd1..6acdffa 100644 (file)
--- a/src/netutl.c
+++ b/src/netutl.c
@@ -102,8 +102,10 @@ void sockaddr2str(const sockaddr_t *sa, char **addrstr, char **portstr) {
        if(scopeid)
                *scopeid = '\0';                /* Descope. */
 
-       *addrstr = xstrdup(address);
-       *portstr = xstrdup(port);
+       if(addrstr)
+               *addrstr = xstrdup(address);
+       if(portstr)
+               *portstr = xstrdup(port);
 }
 
 char *sockaddr2hostname(const sockaddr_t *sa) {