irc: add variables "user_max_length" and "host_max_length" in server structure (issue #1387)

5 files changed, 81 insertions, 0 deletions

diff --git a/ChangeLog.adoc b/ChangeLog.adoc
index 490cea521..ca7443af2 100644
--- a/ChangeLog.adoc
+++ b/ChangeLog.adoc
@@ -25,6 +25,7 @@ New features::
   * api: add argument "strip_items" in function string_split
   * buflist: add infolist "buflist" with list of buffer pointers (issue #1375)
   * exec: evaluate option exec.command.shell, change default value to "${env:SHELL}" (issue #1356)
+  * irc: add variables "user_max_length" and "host_max_length" in server structure (issue #1387)
 
 Bug fixes::
 
diff --git a/src/plugins/irc/irc-protocol.c b/src/plugins/irc/irc-protocol.c
index b869e59d6..868e714e0 100644
--- a/src/plugins/irc/irc-protocol.c
+++ b/src/plugins/irc/irc-protocol.c
@@ -2944,6 +2944,38 @@ IRC_PROTOCOL_CALLBACK(005)
             pos2[0] = ' ';
     }
 
+    /* save max user length */
+    pos = strstr (argv_eol[3], "USERLEN=");
+    if (pos)
+    {
+        pos += 8;
+        pos2 = strchr (pos, ' ');
+        if (pos2)
+            pos2[0] = '\0';
+        error = NULL;
+        value = strtol (pos, &error, 10);
+        if (error && !error[0] && (value > 0))
+            server->user_max_length = (int)value;
+        if (pos2)
+            pos2[0] = ' ';
+    }
+
+    /* save max host length */
+    pos = strstr (argv_eol[3], "HOSTLEN=");
+    if (pos)
+    {
+        pos += 8;
+        pos2 = strchr (pos, ' ');
+        if (pos2)
+            pos2[0] = '\0';
+        error = NULL;
+        value = strtol (pos, &error, 10);
+        if (error && !error[0] && (value > 0))
+            server->host_max_length = (int)value;
+        if (pos2)
+            pos2[0] = ' ';
+    }
+
     /* save casemapping */
     pos = strstr (argv_eol[3], "CASEMAPPING=");
     if (pos)
diff --git a/src/plugins/irc/irc-server.c b/src/plugins/irc/irc-server.c
index 22907d7b7..7b1945bc4 100644
--- a/src/plugins/irc/irc-server.c
+++ b/src/plugins/irc/irc-server.c
@@ -1398,6 +1398,8 @@ irc_server_alloc (const char *name)
     new_server->prefix_modes = NULL;
     new_server->prefix_chars = NULL;
     new_server->nick_max_length = 0;
+    new_server->user_max_length = 0;
+    new_server->host_max_length = 0;
     new_server->casemapping = IRC_SERVER_CASEMAPPING_RFC1459;
     new_server->chantypes = NULL;
     new_server->chanmodes = NULL;
@@ -5694,6 +5696,8 @@ irc_server_hdata_server_cb (const void *pointer, void *data,
         WEECHAT_HDATA_VAR(struct t_irc_server, prefix_modes, STRING, 0, NULL, NULL);
         WEECHAT_HDATA_VAR(struct t_irc_server, prefix_chars, STRING, 0, NULL, NULL);
         WEECHAT_HDATA_VAR(struct t_irc_server, nick_max_length, INTEGER, 0, NULL, NULL);
+        WEECHAT_HDATA_VAR(struct t_irc_server, user_max_length, INTEGER, 0, NULL, NULL);
+        WEECHAT_HDATA_VAR(struct t_irc_server, host_max_length, INTEGER, 0, NULL, NULL);
         WEECHAT_HDATA_VAR(struct t_irc_server, casemapping, INTEGER, 0, NULL, NULL);
         WEECHAT_HDATA_VAR(struct t_irc_server, chantypes, STRING, 0, NULL, NULL);
         WEECHAT_HDATA_VAR(struct t_irc_server, chanmodes, STRING, 0, NULL, NULL);
@@ -5929,6 +5933,10 @@ irc_server_add_to_infolist (struct t_infolist *infolist,
         return 0;
     if (!weechat_infolist_new_var_integer (ptr_item, "nick_max_length", server->nick_max_length))
         return 0;
+    if (!weechat_infolist_new_var_integer (ptr_item, "user_max_length", server->user_max_length))
+        return 0;
+    if (!weechat_infolist_new_var_integer (ptr_item, "host_max_length", server->host_max_length))
+        return 0;
     if (!weechat_infolist_new_var_integer (ptr_item, "casemapping", server->casemapping))
         return 0;
     if (!weechat_infolist_new_var_string (ptr_item, "casemapping_string", irc_server_casemapping_string[server->casemapping]))
@@ -6312,6 +6320,8 @@ irc_server_print_log ()
         weechat_log_printf ("  prefix_modes . . . . : '%s'",  ptr_server->prefix_modes);
         weechat_log_printf ("  prefix_chars . . . . : '%s'",  ptr_server->prefix_chars);
         weechat_log_printf ("  nick_max_length. . . : %d",    ptr_server->nick_max_length);
+        weechat_log_printf ("  user_max_length. . . : %d",    ptr_server->user_max_length);
+        weechat_log_printf ("  host_max_length. . . : %d",    ptr_server->host_max_length);
         weechat_log_printf ("  casemapping. . . . . : %d (%s)",
                             ptr_server->casemapping,
                             irc_server_casemapping_string[ptr_server->casemapping]);
diff --git a/src/plugins/irc/irc-server.h b/src/plugins/irc/irc-server.h
index 62c2c3063..2f55a15cd 100644
--- a/src/plugins/irc/irc-server.h
+++ b/src/plugins/irc/irc-server.h
@@ -201,6 +201,8 @@ struct t_irc_server
     char *prefix_modes;             /* prefix modes from msg 005 (eg "ohv")  */
     char *prefix_chars;             /* prefix chars from msg 005 (eg "@%+")  */
     int nick_max_length;            /* max length of nick (from msg 005)     */
+    int user_max_length;            /* max length of user (from msg 005)     */
+    int host_max_length;            /* max length of host (from msg 005)     */
     int casemapping;                /* casemapping from msg 005              */
     char *chantypes;                /* chantypes from msg 005 (eg "&#")      */
     char *chanmodes;                /* chanmodes from msg 005                */
diff --git a/src/plugins/irc/irc-upgrade.c b/src/plugins/irc/irc-upgrade.c
index 0d2ca9883..6f4f13612 100644
--- a/src/plugins/irc/irc-upgrade.c
+++ b/src/plugins/irc/irc-upgrade.c
@@ -476,6 +476,42 @@ irc_upgrade_read_cb (const void *pointer, void *data,
                         irc_upgrade_current_server->prefix_chars = strdup (str);
                     }
                     irc_upgrade_current_server->nick_max_length = weechat_infolist_integer (infolist, "nick_max_length");
+                    /* "user_max_length" is new in WeeChat 2.6  */
+                    if (weechat_infolist_search_var (infolist, "user_max_length"))
+                    {
+                        irc_upgrade_current_server->user_max_length = weechat_infolist_integer (infolist, "user_max_length");
+                    }
+                    else
+                    {
+                        /* WeeChat <= 2.5 */
+                        str = irc_server_get_isupport_value (irc_upgrade_current_server,
+                                                             "USERLEN");
+                        if (str)
+                        {
+                            error = NULL;
+                            number = strtol (str, &error, 10);
+                            if (error && !error[0])
+                                irc_upgrade_current_server->user_max_length = (int)number;
+                        }
+                    }
+                    /* "host_max_length" is new in WeeChat 2.6  */
+                    if (weechat_infolist_search_var (infolist, "host_max_length"))
+                    {
+                        irc_upgrade_current_server->host_max_length = weechat_infolist_integer (infolist, "host_max_length");
+                    }
+                    else
+                    {
+                        /* WeeChat <= 2.5 */
+                        str = irc_server_get_isupport_value (irc_upgrade_current_server,
+                                                             "HOSTLEN");
+                        if (str)
+                        {
+                            error = NULL;
+                            number = strtol (str, &error, 10);
+                            if (error && !error[0])
+                                irc_upgrade_current_server->host_max_length = (int)number;
+                        }
+                    }
                     irc_upgrade_current_server->casemapping = weechat_infolist_integer (infolist, "casemapping");
                     str = weechat_infolist_string (infolist, "chantypes");
                     if (str)