Merge branch mtr-packet into 'master'

diff --cc mtr.8.in
Simple merge

diff --cc mtr.c
index 0f0650ec158677139286d4f0298fadfa2af748e4,5b2033535668135964a8984c8efc16f3821fe1b2..97ad3a3de14ea4392c95f322fd1c17ccc49d00a8
--- 1/mtr.c
--- 2/mtr.c
+++ b/mtr.c
@@@ -101,9 -102,11 +101,11 @@@ static void __attribute__((__noreturn__
    fputs("\n", out);
    fputs(" -F, --filename FILE        read hostname(s) from a file\n", out);
    fputs(" -4                         use IPv4 only\n", out);
+ #ifdef ENABLE_IPV6
    fputs(" -6                         use IPv6 only\n", out);
 -  fputs(" -u, --udp                  use udp instead of icmp echo\n", out);
 -  fputs(" -T, --tcp                  use tcp instead of icmp echo\n", out);
+ #endif
 +  fputs(" -u, --udp                  use UDP instead of ICMP echo\n", out);
 +  fputs(" -T, --tcp                  use TCP instead of ICMP echo\n", out);
    fputs(" -a, --address ADDRESS      bind the outgoing socket to ADDRESS\n", out);
    fputs(" -f, --first-ttl NUMBER     set what TTL to start\n", out);
    fputs(" -m, --max-ttl NUMBER       maximum number of hops\n", out);
@@@ -116,8 -119,10 +118,10 @@@
    fputs(" -G, --gracetime SECONDS    number of seconds to wait for responses\n", out);
    fputs(" -Q, --tos NUMBER           type of service field in IP header\n", out);
    fputs(" -e, --mpls                 display information from ICMP extensions\n", out);
 -  fputs(" -Z, --timeout SECONDS      seconds to keep the TCP socket open\n", out);
 +  fputs(" -Z, --timeout SECONDS      seconds to keep probe sockets open\n", out);
+ #ifdef SO_MARK
    fputs(" -M, --mark MARK            mark each sent packet\n", out);
+ #endif
    fputs(" -r, --report               output using report mode\n", out);
    fputs(" -w, --report-wide          output wide report\n", out);
    fputs(" -c, --report-cycles COUNT  set the number of pings sent\n", out);
@@@ -320,10 -330,12 +329,12 @@@ static void parse_arg (struct mtr_ctl *
        { "max-unknown",    1, NULL, 'U' },
      { "udp",            0, NULL, 'u' }, /* UDP (default is ICMP) */
      { "tcp",            0, NULL, 'T' }, /* TCP (default is ICMP) */
+ #ifdef HAS_SCTP
      { "sctp",           0, NULL, 'S' }, /* SCTP (default is ICMP) */
+ #endif
      { "port",           1, NULL, 'P' }, /* target port number for TCP/SCTP/UDP */
      { "localport",      1, NULL, 'L' }, /* source port number for UDP */
 -    { "timeout",        1, NULL, 'Z' }, /* timeout for TCP sockets */
 +    { "timeout",        1, NULL, 'Z' }, /* timeout for probe sockets */
      { "gracetime",      1, NULL, 'G' }, /* gracetime for replies after last probe */
  #ifdef SO_MARK
      { "mark",           1, NULL, 'M' }, /* use SO_MARK */
@@@ -630,8 -629,9 +627,8 @@@ extern int main(int argc, char **argv
  #ifdef ENABLE_IPV6
    struct sockaddr_in6 * sa6;
  #endif
-   names_t *names_root = NULL;
-   names_t **names_head = &names_root;
 -  time_t now;
+   names_t *names_head = NULL;
+   names_t *names_walk;
  
    struct mtr_ctl ctl;
    memset(&ctl, 0, sizeof(ctl));
@@@ -681,15 -688,21 +678,16 @@@
  
    while (optind < argc) {
      char* name = argv[optind++];
-     append_to_names(names_head, name);
+     append_to_names(&names_head, name);
    }
  
-   if (!names_root) append_to_names (names_head, "localhost"); /* default: localhost. */
 -  /* Now that we know mtrtype we can select which socket to use */
 -  if (net_selectsocket(&ctl) != 0) {
 -    error(EXIT_FAILURE, 0, "Couldn't determine raw socket type");
 -  }
 -
+   /* default: localhost. */
+   if (!names_head) append_to_names(&names_head, "localhost");
  
-   names_head = &names_root;
-   while (*names_head != NULL) {
+   names_walk = names_head;
+   while (names_walk != NULL) {
  
-     ctl.Hostname = names_root->name;
+     ctl.Hostname = names_walk->name;
      if (gethostname(ctl.LocalHostname, sizeof(ctl.LocalHostname))) {
        xstrncpy(ctl.LocalHostname, "UNKNOWNHOST", sizeof(ctl.LocalHostname));
      }
@@@ -752,7 -775,17 +750,6 @@@
        }
      }
  
 -    if (net_set_interfaceaddress (&ctl) != 0) {
 -      error(0, 0, "Couldn't set interface address: %s", ctl.InterfaceAddress);
 -      if (ctl.Interactive)
 -        exit(EXIT_FAILURE);
 -      else {
 -        names_walk = names_walk->next;
 -        continue;
 -      }
 -    }
 -
--
      lock(stdout);
        dns_open(&ctl);
        display_open(&ctl);
@@@ -760,13 -793,14 +757,13 @@@
        display_loop(&ctl);
  
        net_end_transit();
 -      now = time(NULL);
 -      display_close(&ctl, now);
 +      display_close(&ctl);
      unlock(stdout);
  
-     if (ctl.DisplayMode != DisplayCSV)
+     if (ctl.Interactive)
        break;
      else
-       names_root = names_root->next;
+       names_walk = names_walk->next;
  
    }