irc: fix parsing of MODE command when there are colons after the first mode argument (closes #1296)

src/plugins/irc/irc-mode.c

@@ -34,6 +34,49 @@
 #include "irc-modelist.h"
 
 
+/*
+ * Gets mode arguments: skip colons before arguments.
+ */
+
+char *
+irc_mode_get_arguments (const char *arguments)
+{
+    char **argv, **argv2, *new_arguments;
+    int argc, i;
+
+    if (!arguments || !arguments[0])
+        return strdup ("");
+
+    argv = weechat_string_split (arguments, " ",
+                                 WEECHAT_STRING_SPLIT_STRIP_LEFT
+                                 | WEECHAT_STRING_SPLIT_STRIP_RIGHT
+                                 | WEECHAT_STRING_SPLIT_COLLAPSE_SEPS,
+                                 0, &argc);
+    if (!argv)
+        return strdup ("");
+
+    argv2 = malloc (sizeof (*argv) * (argc + 1));
+    if (!argv2)
+    {
+        weechat_string_free_split (argv);
+        return strdup ("");;
+    }
+
+    for (i = 0; i < argc; i++)
+    {
+        argv2[i] = (argv[i][0] == ':') ? argv[i] + 1 : argv[i];
+    }
+    argv2[argc] = NULL;
+
+    new_arguments = weechat_string_build_with_split_string (
+        (const char **)argv2, " ");
+
+    weechat_string_free_split (argv);
+    free (argv2);
+
+    return new_arguments;
+}
+
 /*
  * Gets type of channel mode, which is a letter from 'A' to 'D':
  *   A = Mode that adds or removes a nick or address to a list. Always has a
@@ -397,7 +440,11 @@ irc_mode_channel_set (struct t_irc_server *server,
                         break;
                 }
                 if (ptr_arg)
+                {
+                    if (ptr_arg[0] == ':')
+                        ptr_arg++;
                     current_arg++;
+                }
 
                 if (smart_filter
                     && !irc_mode_smart_filtered (server, pos[0]))