+GLOBAL bool
+Channel_Join( CLIENT *Client, char *Name )
+{
+ CHANNEL *chan;
+
+ assert( Client != NULL );
+ assert( Name != NULL );
+
+ if( ! Channel_IsValidName( Name )) {
+ IRC_WriteStrClient( Client, ERR_NOSUCHCHANNEL_MSG, Client_ID( Client ), Name );
+ return false;
+ }
+
+ chan = Channel_Search( Name );
+ if( chan ) {
+ /* Ist der Client bereits Mitglied? */
+ if( Get_Cl2Chan( chan, Client )) return false;
+ }
+ else
+ {
+ /* Gibt es noch nicht? Dann neu anlegen: */
+ chan = Channel_Create( Name );
+ if (!chan) return false;
+ }
+
+ /* User dem Channel hinzufuegen */
+ if( ! Add_Client( chan, Client )) return false;
+ else return true;
+} /* Channel_Join */
+
+
+GLOBAL bool
+Channel_Part( CLIENT *Client, CLIENT *Origin, char *Name, char *Reason )
+{
+ CHANNEL *chan;
+
+ assert( Client != NULL );
+ assert( Name != NULL );
+ assert( Reason != NULL );
+
+ chan = Channel_Search( Name );
+ if(( ! chan ) || ( ! Get_Cl2Chan( chan, Client )))
+ {
+ IRC_WriteStrClient( Client, ERR_NOSUCHCHANNEL_MSG, Client_ID( Client ), Name );
+ return false;
+ }
+
+ /* User aus Channel entfernen */
+ if( ! Remove_Client( REMOVE_PART, chan, Client, Origin, Reason, true)) return false;
+ else return true;
+} /* Channel_Part */
+
+
+GLOBAL void
+Channel_Kick( CLIENT *Client, CLIENT *Origin, char *Name, char *Reason )
+{
+ CHANNEL *chan;
+
+ assert( Client != NULL );
+ assert( Origin != NULL );
+ assert( Name != NULL );
+ assert( Reason != NULL );
+
+ chan = Channel_Search( Name );
+ if( ! chan )
+ {
+ IRC_WriteStrClient( Origin, ERR_NOSUCHCHANNEL_MSG, Client_ID( Origin ), Name );
+ return;
+ }
+
+ if( ! Channel_IsMemberOf( chan, Origin ))
+ {
+ IRC_WriteStrClient( Origin, ERR_NOTONCHANNEL_MSG, Client_ID( Origin ), Name );
+ return;
+ }
+
+ /* Is User Channel-Operator? */
+ if( ! strchr( Channel_UserModes( chan, Origin ), 'o' ))
+ {
+ IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Name);
+ return;
+ }
+
+ /* Ist the kickED User member of channel? */
+ if( ! Channel_IsMemberOf( chan, Client ))
+ {
+ IRC_WriteStrClient( Origin, ERR_USERNOTINCHANNEL_MSG, Client_ID( Origin ), Client_ID( Client ), Name );
+ return;
+ }
+
+ Remove_Client( REMOVE_KICK, chan, Client, Origin, Reason, true);
+} /* Channel_Kick */
+
+
+GLOBAL void
+Channel_Quit( CLIENT *Client, char *Reason )
+{
+ CHANNEL *c, *next_c;
+
+ assert( Client != NULL );
+ assert( Reason != NULL );
+
+ IRC_WriteStrRelatedPrefix( Client, Client, false, "QUIT :%s", Reason );
+
+ c = My_Channels;
+ while( c )
+ {
+ next_c = c->next;
+ Remove_Client( REMOVE_QUIT, c, Client, Client, Reason, false );
+ c = next_c;
+ }
+} /* Channel_Quit */
+
+
+GLOBAL unsigned long
+Channel_Count( void )
+{
+ CHANNEL *c;
+ unsigned long count = 0;
+
+ c = My_Channels;
+ while( c )
+ {
+ count++;
+ c = c->next;
+ }
+ return count;
+} /* Channel_Count */
+
+
+GLOBAL unsigned long
+Channel_MemberCount( CHANNEL *Chan )
+{
+ CL2CHAN *cl2chan;
+ unsigned long count = 0;
+
+ assert( Chan != NULL );
+
+ cl2chan = My_Cl2Chan;
+ while( cl2chan )
+ {
+ if( cl2chan->channel == Chan ) count++;
+ cl2chan = cl2chan->next;
+ }
+ return count;
+} /* Channel_MemberCount */
+
+
+GLOBAL int
+Channel_CountForUser( CLIENT *Client )
+{
+ /* Count number of channels a user is member of. */
+
+ CL2CHAN *cl2chan;
+ int count = 0;
+
+ assert( Client != NULL );
+
+ cl2chan = My_Cl2Chan;
+ while( cl2chan )
+ {
+ if( cl2chan->client == Client ) count++;
+ cl2chan = cl2chan->next;
+ }
+
+ return count;
+} /* Channel_CountForUser */
+
+
+GLOBAL int
+Channel_PCount( void )
+{
+ /* Count the number of persistent (mode 'P') channels */
+
+ CHANNEL *chan;
+ int count = 0;
+
+ chan = My_Channels;
+ while( chan )
+ {
+ if( strchr( chan->modes, 'P' )) count++;
+ chan = chan->next;
+ }
+
+ return count;
+} /* Channel_PCount */
+
+
+GLOBAL const char *
+Channel_Name( const CHANNEL *Chan )
+{
+ assert( Chan != NULL );
+ return Chan->name;
+} /* Channel_Name */
+
+
+GLOBAL char *
+Channel_Modes( CHANNEL *Chan )
+{
+ assert( Chan != NULL );
+ return Chan->modes;
+} /* Channel_Modes */
+
+
+GLOBAL char *
+Channel_Key( CHANNEL *Chan )
+{
+ assert( Chan != NULL );
+ return Chan->key;
+} /* Channel_Key */
+
+
+GLOBAL unsigned long
+Channel_MaxUsers( CHANNEL *Chan )
+{
+ assert( Chan != NULL );
+ return Chan->maxusers;
+} /* Channel_MaxUsers */
+
+
+GLOBAL CHANNEL *
+Channel_First( void )
+{
+ return My_Channels;
+} /* Channel_First */
+
+
+GLOBAL CHANNEL *
+Channel_Next( CHANNEL *Chan )
+{
+ assert( Chan != NULL );
+ return Chan->next;
+} /* Channel_Next */
+
+
+GLOBAL CHANNEL *
+Channel_Search( char *Name )
+{
+ /* Channel-Struktur suchen */
+
+ CHANNEL *c;
+ UINT32 search_hash;
+
+ assert( Name != NULL );
+
+ search_hash = Hash( Name );
+ c = My_Channels;
+ while( c )
+ {
+ if( search_hash == c->hash )
+ {
+ /* lt. Hash-Wert: Treffer! */
+ if( strcasecmp( Name, c->name ) == 0 ) return c;
+ }
+ c = c->next;
+ }
+ return NULL;
+} /* Channel_Search */
+
+
+GLOBAL CL2CHAN *
+Channel_FirstMember( CHANNEL *Chan )
+{
+ assert( Chan != NULL );
+ return Get_First_Cl2Chan( NULL, Chan );
+} /* Channel_FirstMember */
+
+
+GLOBAL CL2CHAN *
+Channel_NextMember( CHANNEL *Chan, CL2CHAN *Cl2Chan )
+{
+ assert( Chan != NULL );
+ assert( Cl2Chan != NULL );
+ return Get_Next_Cl2Chan( Cl2Chan->next, NULL, Chan );
+} /* Channel_NextMember */
+
+
+GLOBAL CL2CHAN *
+Channel_FirstChannelOf( CLIENT *Client )
+{
+ assert( Client != NULL );
+ return Get_First_Cl2Chan( Client, NULL );
+} /* Channel_FirstChannelOf */
+
+
+GLOBAL CL2CHAN *
+Channel_NextChannelOf( CLIENT *Client, CL2CHAN *Cl2Chan )
+{
+ assert( Client != NULL );
+ assert( Cl2Chan != NULL );
+ return Get_Next_Cl2Chan( Cl2Chan->next, Client, NULL );
+} /* Channel_NextChannelOf */
+
+
+GLOBAL CLIENT *
+Channel_GetClient( CL2CHAN *Cl2Chan )
+{
+ assert( Cl2Chan != NULL );
+ return Cl2Chan->client;
+} /* Channel_GetClient */
+
+
+GLOBAL CHANNEL *
+Channel_GetChannel( CL2CHAN *Cl2Chan )
+{
+ assert( Cl2Chan != NULL );
+ return Cl2Chan->channel;
+} /* Channel_GetChannel */
+
+
+GLOBAL bool
+Channel_IsValidName( const char *Name )
+{
+ assert( Name != NULL );
+
+ if(( Name[0] != '#' ) || ( strlen( Name ) >= CHANNEL_NAME_LEN )) return false;
+
+ return Name[strcspn(Name, " ,:\007")] == 0;
+} /* Channel_IsValidName */
+
+
+GLOBAL bool
+Channel_ModeAdd( CHANNEL *Chan, char Mode )
+{
+ /* set Mode.
+ * If the channel already had this mode, return false.
+ * If the channel mode was newly set return true.
+ */
+
+ char x[2];
+
+ assert( Chan != NULL );
+
+ x[0] = Mode; x[1] = '\0';
+ if( ! strchr( Chan->modes, x[0] ))
+ {
+ /* Channel does not have this mode yet, set it */
+ strlcat( Chan->modes, x, sizeof( Chan->modes ));
+ return true;
+ }
+ else return false;
+} /* Channel_ModeAdd */
+
+
+GLOBAL bool
+Channel_ModeDel( CHANNEL *Chan, char Mode )
+{
+ /* Delete mode.
+ * if the mode was removed return true.
+ * if the channel did not have the mode, return false.
+ */
+ char *p;
+
+ assert( Chan != NULL );
+
+ p = strchr( Chan->modes, Mode );
+ if( ! p ) return false;
+
+ /* Channel has mode -> delete */
+ while( *p )
+ {
+ *p = *(p + 1);
+ p++;
+ }
+ return true;
+} /* Channel_ModeDel */
+
+
+GLOBAL bool
+Channel_UserModeAdd( CHANNEL *Chan, CLIENT *Client, char Mode )
+{
+ /* Set Channel-User-Mode.
+ * if mode was newly set, return true.
+ * if the User already had this channel-mode, return false.
+ */
+
+ CL2CHAN *cl2chan;
+ char x[2];
+
+ assert( Chan != NULL );
+ assert( Client != NULL );
+
+ cl2chan = Get_Cl2Chan( Chan, Client );
+ assert( cl2chan != NULL );
+
+ 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 *p;
+
+ assert( Chan != NULL );
+ assert( Client != NULL );
+
+ cl2chan = Get_Cl2Chan( Chan, Client );
+ assert( cl2chan != NULL );
+
+ p = strchr( cl2chan->modes, Mode );
+ 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 */
+
+
+#ifndef STRICT_RFC
+
+GLOBAL unsigned int
+Channel_TopicTime(CHANNEL *Chan)
+{
+ assert(Chan != NULL);
+ return (unsigned int) Chan->topic_time;
+} /* Channel_TopicTime */
+
+
+GLOBAL char *
+Channel_TopicWho(CHANNEL *Chan)
+{
+ assert(Chan != NULL);
+ return Chan->topic_who;
+} /* Channel_TopicWho */
+
+#endif
+
+
+GLOBAL void
+Channel_SetTopic(CHANNEL *Chan, CLIENT *Client, 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 (len >= COMMAND_LEN || !array_copyb(&Chan->topic, Topic, len+1))
+ Log(LOG_WARNING, "could not set new Topic \"%s\" on %s: %s",
+ Topic, Chan->name, strerror(errno));
+#ifndef STRICT_RFC
+ Chan->topic_time = time(NULL);
+ if (Client != NULL && Client_Type(Client) != CLIENT_SERVER)
+ strlcpy(Chan->topic_who, Client_ID(Client),
+ sizeof Chan->topic_who);
+ else
+ strlcpy(Chan->topic_who, DEFAULT_TOPIC_ID,
+ sizeof Chan->topic_who);
+#else
+ (void) Client;
+#endif
+} /* 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 ));
+ LogDebug("Channel %s: Key is now \"%s\".", Chan->name, Chan->key );
+} /* Channel_SetKey */
+
+
+GLOBAL void
+Channel_SetMaxUsers(CHANNEL *Chan, unsigned long Count)
+{
+ assert( Chan != NULL );
+
+ Chan->maxusers = Count;
+ LogDebug("Channel %s: Member limit is now %lu.", 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_Check(&Chan->list_bans, From))
+ {
+ /* Client is banned, but 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 */
+ CHANNEL *c;
+
+ assert( Name != NULL );
+
+ c = (CHANNEL *)malloc( sizeof( CHANNEL ));
+ if( ! c )
+ {
+ Log( LOG_EMERG, "Can't allocate memory! [New_Chan]" );
+ return NULL;
+ }
+ memset( c, 0, sizeof( CHANNEL ));
+ strlcpy( c->name, Name, sizeof( c->name ));
+ c->hash = Hash( c->name );
+ c->next = My_Channels;
+ My_Channels = c;
+ LogDebug("Created new channel structure for \"%s\".", Name);
+ return c;
+} /* Channel_Create */
+
+
+static CL2CHAN *
+Get_Cl2Chan( CHANNEL *Chan, CLIENT *Client )
+{
+ CL2CHAN *cl2chan;
+
+ assert( Chan != NULL );
+ assert( Client != NULL );
+
+ cl2chan = My_Cl2Chan;
+ while( cl2chan )
+ {
+ if(( cl2chan->channel == Chan ) && ( cl2chan->client == Client )) return cl2chan;
+ cl2chan = cl2chan->next;
+ }
+ return NULL;
+} /* Get_Cl2Chan */
+
+
+static CL2CHAN *
+Add_Client( CHANNEL *Chan, CLIENT *Client )
+{
+ CL2CHAN *cl2chan;
+
+ assert( Chan != NULL );
+ assert( Client != NULL );
+
+ /* neue CL2CHAN-Struktur anlegen */
+ cl2chan = (CL2CHAN *)malloc( sizeof( CL2CHAN ));
+ if( ! cl2chan )
+ {
+ Log( LOG_EMERG, "Can't allocate memory! [Add_Client]" );
+ return NULL;
+ }
+ cl2chan->channel = Chan;
+ cl2chan->client = Client;
+ strcpy( cl2chan->modes, "" );
+
+ /* Verketten */
+ cl2chan->next = My_Cl2Chan;
+ My_Cl2Chan = cl2chan;
+
+ Log( LOG_DEBUG, "User \"%s\" joined channel \"%s\".", Client_Mask( Client ), Chan->name );
+
+ return cl2chan;
+} /* Add_Client */
+
+
+static bool
+Remove_Client( int Type, CHANNEL *Chan, CLIENT *Client, CLIENT *Origin, char *Reason, bool InformServer )
+{
+ CL2CHAN *cl2chan, *last_cl2chan;
+ CHANNEL *c;
+
+ assert( Chan != NULL );
+ assert( Client != NULL );
+ assert( Origin != NULL );
+ assert( Reason != NULL );
+
+ last_cl2chan = NULL;
+ cl2chan = My_Cl2Chan;
+ while( cl2chan )
+ {
+ if(( cl2chan->channel == Chan ) && ( cl2chan->client == Client )) break;
+ last_cl2chan = cl2chan;
+ cl2chan = cl2chan->next;
+ }
+ if( ! cl2chan ) return false;
+
+ c = cl2chan->channel;
+ assert( c != NULL );
+
+ /* Aus Verkettung loesen und freigeben */
+ if( last_cl2chan ) last_cl2chan->next = cl2chan->next;
+ else My_Cl2Chan = cl2chan->next;
+ free( cl2chan );
+
+ switch( Type )
+ {
+ case REMOVE_QUIT:
+ /* QUIT: other servers have already been notified, see Client_Destroy();
+ * so only inform other clients in same channel. */
+ assert( InformServer == false );
+ LogDebug("User \"%s\" left channel \"%s\" (%s).",
+ Client_Mask( Client ), c->name, Reason );
+ break;
+ case REMOVE_KICK:
+ /* User was KICKed: inform other servers and all users in channel */
+ if( InformServer )
+ IRC_WriteStrServersPrefix( Client_NextHop( Origin ),
+ Origin, "KICK %s %s :%s", c->name, Client_ID( Client ), Reason);
+ IRC_WriteStrChannelPrefix(Client, c, Origin, false, "KICK %s %s :%s",
+ c->name, Client_ID( Client ), Reason );
+ if ((Client_Conn(Client) > NONE) &&
+ (Client_Type(Client) == CLIENT_USER))
+ {
+ IRC_WriteStrClientPrefix(Client, Origin, "KICK %s %s :%s",
+ c->name, Client_ID( Client ), Reason);
+ }
+ LogDebug("User \"%s\" has been kicked of \"%s\" by \"%s\": %s.",
+ Client_Mask( Client ), c->name, Client_ID(Origin), Reason);
+ break;
+ default: /* PART */
+ if (InformServer)
+ IRC_WriteStrServersPrefix(Origin, Client, "PART %s :%s", c->name, Reason);
+
+ IRC_WriteStrChannelPrefix(Origin, c, Client, false, "PART %s :%s",
+ c->name, Reason);
+
+ if ((Client_Conn(Origin) > NONE) &&
+ (Client_Type(Origin) == CLIENT_USER))
+ {
+ IRC_WriteStrClientPrefix( Origin, Client, "PART %s :%s", c->name, Reason);
+ LogDebug("User \"%s\" left channel \"%s\" (%s).",
+ Client_Mask(Client), c->name, Reason);
+ }
+ }
+
+ /* Wenn Channel nun leer und nicht pre-defined: loeschen */
+ if( ! strchr( Channel_Modes( Chan ), 'P' ))
+ {
+ if( ! Get_First_Cl2Chan( NULL, Chan )) Delete_Channel( Chan );
+ }
+
+ return true;
+} /* Remove_Client */
+
+
+GLOBAL bool
+Channel_AddBan(CHANNEL *c, const char *mask )
+{
+ struct list_head *h = Channel_GetListBans(c);
+ return Lists_Add(h, mask, false);
+}
+
+
+GLOBAL bool
+Channel_AddInvite(CHANNEL *c, const char *mask, bool onlyonce)
+{
+ struct list_head *h = Channel_GetListInvites(c);
+ return Lists_Add(h, mask, onlyonce);
+}
+
+
+static bool
+ShowInvitesBans(struct list_head *head, CLIENT *Client, CHANNEL *Channel, bool invite)
+{
+ struct list_elem *e;
+ char *msg = invite ? RPL_INVITELIST_MSG : RPL_BANLIST_MSG;
+ char *msg_end;
+
+ assert( Client != NULL );
+ assert( Channel != NULL );
+
+ e = Lists_GetFirst(head);
+ while (e) {
+ if( ! IRC_WriteStrClient( Client, msg, Client_ID( Client ),
+ Channel_Name( Channel ), Lists_GetMask(e) )) return DISCONNECTED;
+ e = Lists_GetNext(e);
+ }
+
+ msg_end = invite ? RPL_ENDOFINVITELIST_MSG : RPL_ENDOFBANLIST_MSG;
+ return IRC_WriteStrClient( Client, msg_end, Client_ID( Client ), Channel_Name( Channel ));
+}
+
+
+GLOBAL bool
+Channel_ShowBans( CLIENT *Client, CHANNEL *Channel )
+{
+ struct list_head *h;
+
+ assert( Channel != NULL );
+
+ h = Channel_GetListBans(Channel);
+ return ShowInvitesBans(h, Client, Channel, false);
+}
+
+
+GLOBAL bool
+Channel_ShowInvites( CLIENT *Client, CHANNEL *Channel )
+{
+ struct list_head *h;
+
+ assert( Channel != NULL );
+
+ h = Channel_GetListInvites(Channel);
+ return ShowInvitesBans(h, Client, Channel, true);
+}
+
+
+static CL2CHAN *
+Get_First_Cl2Chan( CLIENT *Client, CHANNEL *Chan )
+{
+ return Get_Next_Cl2Chan( My_Cl2Chan, Client, Chan );
+} /* Get_First_Cl2Chan */
+
+
+static CL2CHAN *
+Get_Next_Cl2Chan( CL2CHAN *Start, CLIENT *Client, CHANNEL *Channel )
+{
+ CL2CHAN *cl2chan;
+
+ assert( Client != NULL || Channel != NULL );
+
+ cl2chan = Start;
+ while( cl2chan )
+ {
+ if(( Client ) && ( cl2chan->client == Client )) return cl2chan;
+ if(( Channel ) && ( cl2chan->channel == Channel )) return cl2chan;
+ cl2chan = cl2chan->next;
+ }
+ return NULL;
+} /* Get_Next_Cl2Chan */
+
+
+static bool
+Delete_Channel( CHANNEL *Chan )
+{
+ /* Channel-Struktur loeschen */
+
+ CHANNEL *chan, *last_chan;
+
+ last_chan = NULL;
+ chan = My_Channels;
+ while( chan )
+ {
+ if( chan == Chan ) break;
+ last_chan = chan;
+ chan = chan->next;
+ }
+ if( ! chan ) return false;
+
+ Log( LOG_DEBUG, "Freed channel structure for \"%s\".", Chan->name );
+
+ /* Invite- und Ban-Lists aufraeumen */
+ Lists_Free( &chan->list_bans );
+ Lists_Free( &chan->list_invites );
+
+ /* Neu verketten und freigeben */
+ if( last_chan ) last_chan->next = chan->next;
+ else My_Channels = chan->next;
+ free( chan );
+
+ return true;
+} /* Delete_Channel */
+
+