+ x[0] = Mode; x[1] = '\0';
+ if( ! strchr( cl2chan->modes, x[0] ))
+ {
+ /* mode not set, -> set it */
+ strlcat( cl2chan->modes, x, sizeof( cl2chan->modes ));
+ return true;
+ }
+ else return false;
+} /* Channel_UserModeAdd */
+
+
+GLOBAL bool
+Channel_UserModeDel( CHANNEL *Chan, CLIENT *Client, char Mode )
+{
+ /* Delete Channel-User-Mode.
+ * If Mode was removed, return true.
+ * If User did not have the Channel-Mode, return false.
+ */
+
+ CL2CHAN *cl2chan;
+ char x[2], *p;
+
+ assert( Chan != NULL );
+ assert( Client != NULL );
+
+ cl2chan = Get_Cl2Chan( Chan, Client );
+ assert( cl2chan != NULL );
+
+ x[0] = Mode; x[1] = '\0';
+
+ p = strchr( cl2chan->modes, x[0] );
+ if( ! p ) return false;
+
+ /* Client has Mode -> delete */
+ while( *p )
+ {
+ *p = *(p + 1);
+ p++;
+ }
+ return true;
+} /* Channel_UserModeDel */
+
+
+GLOBAL char *
+Channel_UserModes( CHANNEL *Chan, CLIENT *Client )
+{
+ /* return Users' Channel-Modes */
+
+ CL2CHAN *cl2chan;
+
+ assert( Chan != NULL );
+ assert( Client != NULL );
+
+ cl2chan = Get_Cl2Chan( Chan, Client );
+ assert( cl2chan != NULL );
+
+ return cl2chan->modes;
+} /* Channel_UserModes */
+
+
+GLOBAL bool
+Channel_IsMemberOf( CHANNEL *Chan, CLIENT *Client )
+{
+ /* Test if Client is on Channel Chan */
+
+ assert( Chan != NULL );
+ assert( Client != NULL );
+
+ if( Get_Cl2Chan( Chan, Client )) return true;
+ else return false;
+} /* Channel_IsMemberOf */
+
+
+GLOBAL char *
+Channel_Topic( CHANNEL *Chan )
+{
+ char *ret;
+ assert( Chan != NULL );
+ ret = array_start(&Chan->topic);
+ return ret ? ret : "";
+} /* Channel_Topic */
+
+
+GLOBAL void
+Channel_SetTopic( CHANNEL *Chan, char *Topic )
+{
+ size_t len;
+ assert( Chan != NULL );
+ assert( Topic != NULL );
+
+ len = strlen(Topic);
+ if (len < array_bytes(&Chan->topic))
+ array_free(&Chan->topic);
+
+ if (!array_copyb(&Chan->topic, Topic, len))
+ Log(LOG_WARNING, "could not set new Topic %s: %s", Topic, strerror(errno));
+
+ array_cat0(&Chan->topic);
+} /* Channel_SetTopic */
+
+
+GLOBAL void
+Channel_SetModes( CHANNEL *Chan, char *Modes )
+{
+ assert( Chan != NULL );
+ assert( Modes != NULL );
+
+ strlcpy( Chan->modes, Modes, sizeof( Chan->modes ));
+} /* Channel_SetModes */
+
+
+GLOBAL void
+Channel_SetKey( CHANNEL *Chan, char *Key )
+{
+ assert( Chan != NULL );
+ assert( Key != NULL );
+
+ strlcpy( Chan->key, Key, sizeof( Chan->key ));
+ Log( LOG_DEBUG, "Channel %s: Key is now \"%s\".", Chan->name, Chan->key );
+} /* Channel_SetKey */
+
+
+GLOBAL void
+Channel_SetMaxUsers( CHANNEL *Chan, long Count )
+{
+ assert( Chan != NULL );
+
+ Chan->maxusers = Count;
+ Log( LOG_DEBUG, "Channel %s: Member limit is now %ld.", Chan->name, Chan->maxusers );
+} /* Channel_SetMaxUsers */
+
+
+GLOBAL bool
+Channel_Write( CHANNEL *Chan, CLIENT *From, CLIENT *Client, char *Text )
+{
+ bool is_member, has_voice, is_op, ok;
+
+ /* Okay, target is a channel */
+ is_member = has_voice = is_op = false;
+ if( Channel_IsMemberOf( Chan, From ))
+ {
+ is_member = true;
+ if( strchr( Channel_UserModes( Chan, From ), 'v' )) has_voice = true;
+ if( strchr( Channel_UserModes( Chan, From ), 'o' )) is_op = true;
+ }
+
+ /* Is the client allowed to write to channel? */
+ ok = true;
+ if( strchr( Channel_Modes( Chan ), 'n' ) && ( ! is_member )) ok = false;
+ if( strchr( Channel_Modes( Chan ), 'm' ) && ( ! is_op ) && ( ! has_voice )) ok = false;
+
+ /* Is the client banned? */
+ if( Lists_CheckBanned( From, Chan ))
+ {
+ /* Client is banned, bus is he channel operator or has voice? */
+ if(( ! has_voice ) && ( ! is_op )) ok = false;
+ }
+
+ if( ! ok ) return IRC_WriteStrClient( From, ERR_CANNOTSENDTOCHAN_MSG, Client_ID( From ), Channel_Name( Chan ));
+
+ /* Send text */
+ if( Client_Conn( From ) > NONE ) Conn_UpdateIdle( Client_Conn( From ));
+ return IRC_WriteStrChannelPrefix( Client, Chan, From, true, "PRIVMSG %s :%s", Channel_Name( Chan ), Text );
+} /* Channel_Write */
+
+
+GLOBAL CHANNEL *
+Channel_Create( char *Name )
+{
+ /* Create new CHANNEL structure and add it to linked list */