+ /* Action modifier ("+"/"-") must be changed ... */
+ len = strlen( the_modes ) - 1;
+ if(( the_modes[len] == '+' ) || ( the_modes[len] == '-' ))
+ {
+ /* Adjust last action modifier in result */
+ the_modes[len] = *mode_ptr;
+ }
+ else
+ {
+ /* Append modifier character to result string */
+ x[0] = *mode_ptr;
+ strlcat( the_modes, x, sizeof( the_modes ));
+ }
+ if( *mode_ptr == '+' ) set = true;
+ else set = false;
+ }
+ continue;
+ }
+
+ /* Are there arguments left? */
+ if( arg_arg >= Req->argc ) arg_arg = -1;
+
+ /* Validate modes */
+ x[0] = '\0';
+ argadd[0] = '\0';
+ client = NULL;
+ switch( *mode_ptr )
+ {
+ /* --- Channel modes --- */
+
+ case 'i': /* Invite only */
+ case 'm': /* Moderated */
+ case 'n': /* Only members can write */
+ case 's': /* Secret channel */
+ case 't': /* Topic locked */
+ if( modeok ) x[0] = *mode_ptr;
+ else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
+ break;
+
+ case 'k': /* Channel key */
+ if( ! set )
+ {
+ if( modeok ) x[0] = *mode_ptr;
+ else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
+ break;
+ }
+ if( arg_arg > mode_arg )
+ {
+ if( modeok )
+ {
+ Channel_ModeDel( Channel, 'k' );
+ Channel_SetKey( Channel, Req->argv[arg_arg] );
+ strlcpy( argadd, Channel_Key( Channel ), sizeof( argadd ));
+ x[0] = *mode_ptr;
+ }
+ else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
+ Req->argv[arg_arg][0] = '\0';
+ arg_arg++;
+ }
+ else ok = IRC_WriteStrClient( Origin, ERR_NEEDMOREPARAMS_MSG, Client_ID( Origin ), Req->command );
+ break;
+
+ case 'l': /* Member limit */
+ if( ! set )
+ {
+ if( modeok ) x[0] = *mode_ptr;
+ else ok = IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Channel_Name( Channel ));
+ break;
+ }
+ if( arg_arg > mode_arg )
+ {
+ if( modeok )
+ {
+ l = atol( Req->argv[arg_arg] );
+ if( l > 0 && l < 0xFFFF )