- begonnen, Channels zu implementieren :-)
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Alexander Barton
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4b0c9849d6
commit
bb19cfda95
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@ -9,11 +9,14 @@
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* Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
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* der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
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*
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* $Id: channel.c,v 1.4 2002/01/16 22:09:07 alex Exp $
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* $Id: channel.c,v 1.5 2002/01/21 00:12:29 alex Exp $
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*
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* channel.c: Management der Channels
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*
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* $Log: channel.c,v $
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* Revision 1.5 2002/01/21 00:12:29 alex
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* - begonnen, Channels zu implementieren :-)
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*
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* Revision 1.4 2002/01/16 22:09:07 alex
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* - neue Funktion Channel_Count().
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*
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@ -27,7 +30,6 @@
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*
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* Revision 1.1 2001/12/14 08:13:43 alex
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* - neues Modul begonnen :-)
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*
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*/
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@ -36,29 +38,343 @@
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#include <imp.h>
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include "client.h"
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#include "irc.h"
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#include "log.h"
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#include "messages.h"
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#include <exp.h>
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#include "channel.h"
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typedef struct _CHANNEL
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{
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struct _CHANNEL *next;
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CHAR name[CHANNEL_NAME_LEN]; /* Name des Channel */
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CHAR modes[CHANNEL_MODE_LEN]; /* Channel-Modes */
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} CHANNEL;
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typedef struct _CLIENT2CHAN
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{
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struct _CLIENT2CHAN *next;
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CLIENT *client;
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CHANNEL *channel;
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CHAR modes[CHANNEL_MODE_LEN]; /* User-Modes in dem Channel */
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} CL2CHAN;
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LOCAL CHANNEL *My_Channels;
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LOCAL CL2CHAN *My_Cl2Chan;
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LOCAL CHANNEL *Get_Chan( CHAR *Name );
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LOCAL CHANNEL *New_Chan( CHAR *Name );
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LOCAL CL2CHAN *Get_Cl2Chan( CHANNEL *Chan, CLIENT *Client );
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LOCAL CL2CHAN *Add_Client( CHANNEL *Chan, CLIENT *Client );
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LOCAL BOOLEAN Remove_Client( CHANNEL *Chan, CLIENT *Client, CLIENT *Origin, CHAR *Reason );
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LOCAL CL2CHAN *Get_First_Cl2Chan( CLIENT *Client, CHANNEL *Chan );
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LOCAL CL2CHAN *Get_Next_Cl2Chan( CL2CHAN *Start, CLIENT *Client, CHANNEL *Chan );
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LOCAL BOOLEAN Delete_Channel( CHANNEL *Chan );
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GLOBAL VOID Channel_Init( VOID )
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{
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My_Channels = NULL;
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My_Cl2Chan = NULL;
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} /* Channel_Init */
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GLOBAL VOID Channel_Exit( VOID )
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{
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CHANNEL *c, *c_next;
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CL2CHAN *cl2chan, *cl2chan_next;
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/* Channel-Strukturen freigeben */
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c = My_Channels;
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while( c )
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{
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c_next = c->next;
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free( c );
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c = c_next;
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}
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/* Channel-Zuordnungstabelle freigeben */
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cl2chan = My_Cl2Chan;
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while( c )
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{
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cl2chan_next = cl2chan->next;
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free( cl2chan );
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cl2chan = cl2chan_next;
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}
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} /* Channel_Exit */
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GLOBAL BOOLEAN Channel_Join( CLIENT *Client, CHAR *Name )
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{
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CHANNEL *chan;
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assert( Client != NULL );
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assert( Name != NULL );
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/* Valider Channel-Name? */
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if(( Name[0] != '#' ) || ( strlen( Name ) >= CHANNEL_NAME_LEN ))
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{
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IRC_WriteStrClient( Client, ERR_NOSUCHCHANNEL_MSG, Client_ID( Client ), Name );
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return FALSE;
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}
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/* Channel suchen */
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chan = Get_Chan( Name );
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if( chan )
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{
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/* Ist der Client bereits Mitglied? */
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if( Get_Cl2Chan( chan, Client )) return FALSE;
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}
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else
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{
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/* Gibt es noch nicht? Dann neu anlegen: */
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chan = New_Chan( Name );
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if( ! chan ) return FALSE;
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/* Verketten */
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chan->next = My_Channels;
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My_Channels = chan;
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}
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/* User dem Channel hinzufuegen */
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if( ! Add_Client( chan, Client )) return FALSE;
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else return TRUE;
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} /* Channel_Join */
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GLOBAL BOOLEAN Channel_Part( CLIENT *Client, CLIENT *Origin, CHAR *Name, CHAR *Reason )
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{
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CHANNEL *chan;
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assert( Client != NULL );
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assert( Name != NULL );
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/* Channel suchen */
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chan = Get_Chan( Name );
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if(( ! chan ) || ( ! Get_Cl2Chan( chan, Client )))
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{
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IRC_WriteStrClient( Client, ERR_NOSUCHCHANNEL_MSG, Client_ID( Client ), Name );
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return FALSE;
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}
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/* User aus Channel entfernen */
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if( ! Remove_Client( chan, Client, Origin, Reason )) return FALSE;
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else return TRUE;
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} /* Channel_Part */
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GLOBAL VOID Channel_RemoveClient( CLIENT *Client, CHAR *Reason )
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{
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CHANNEL *c, *next_c;
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assert( Client != NULL );
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c = My_Channels;
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while( c )
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{
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next_c = c->next;
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Remove_Client( c, Client, Client_ThisServer( ), Reason );
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c = next_c;
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}
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} /* Channel_RemoveClient */
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GLOBAL INT Channel_Count( VOID )
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{
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return 0;
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CHANNEL *c;
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INT count;
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count = 0;
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c = My_Channels;
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while( c )
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{
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count++;
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c = c->next;
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}
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return count;
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} /* Channel_Count */
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LOCAL CHANNEL *Get_Chan( CHAR *Name )
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{
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/* Channel-Struktur suchen */
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CHANNEL *c;
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assert( Name != NULL );
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c = My_Channels;
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while( c )
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{
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if( strcasecmp( Name, c->name ) == 0 ) return c;
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c = c->next;
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}
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return NULL;
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} /* Get_Chan */
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LOCAL CHANNEL *New_Chan( CHAR *Name )
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{
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/* Neue Channel-Struktur anlegen */
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CHANNEL *c;
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assert( Name != NULL );
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c = malloc( sizeof( CHANNEL ));
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if( ! c )
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{
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Log( LOG_EMERG, "Can't allocate memory!" );
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return NULL;
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}
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c->next = NULL;
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strncpy( c->name, Name, CHANNEL_NAME_LEN );
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c->name[CHANNEL_NAME_LEN - 1] = '\0';
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strcpy( c->modes, "" );
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Log( LOG_DEBUG, "Created new channel structure for \"%s\".", Name );
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return c;
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} /* New_Chan */
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LOCAL CL2CHAN *Get_Cl2Chan( CHANNEL *Chan, CLIENT *Client )
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{
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CL2CHAN *cl2chan;
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assert( Chan != NULL );
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assert( Client != NULL );
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cl2chan = My_Cl2Chan;
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while( cl2chan )
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{
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if(( cl2chan->channel == Chan ) && ( cl2chan->client == Client )) return cl2chan;
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cl2chan = cl2chan->next;
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}
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return NULL;
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} /* Get_Cl2Chan */
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LOCAL CL2CHAN *Add_Client( CHANNEL *Chan, CLIENT *Client )
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{
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CL2CHAN *cl2chan;
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assert( Chan != NULL );
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assert( Client != NULL );
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cl2chan = malloc( sizeof( CL2CHAN ));
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if( ! cl2chan )
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{
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Log( LOG_EMERG, "Can't allocate memory!" );
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return NULL;
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}
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cl2chan->channel = Chan;
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cl2chan->client = Client;
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/* Verketten */
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cl2chan->next = My_Cl2Chan;
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My_Cl2Chan = cl2chan;
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return cl2chan;
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} /* Add_Client */
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LOCAL BOOLEAN Remove_Client( CHANNEL *Chan, CLIENT *Client, CLIENT *Origin, CHAR *Reason )
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{
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CL2CHAN *cl2chan, *last_cl2chan;
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CHANNEL *c;
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assert( Chan != NULL );
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assert( Client != NULL );
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assert( Origin != NULL );
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assert( Reason != NULL );
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last_cl2chan = NULL;
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cl2chan = My_Cl2Chan;
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while( cl2chan )
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{
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if(( cl2chan->channel == Chan ) && ( cl2chan->client == Client )) break;
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last_cl2chan = cl2chan;
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cl2chan = cl2chan->next;
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}
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if( ! cl2chan ) return FALSE;
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c = cl2chan->channel;
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assert( c != NULL );
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/* Aus Verkettung loesen und freigeben */
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if( last_cl2chan ) last_cl2chan->next = cl2chan->next;
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else My_Cl2Chan = cl2chan->next;
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free( cl2chan );
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IRC_WriteStrServersPrefix( Origin, Client, "PART %s :%s", c->name, Reason );
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IRC_WriteStrRelatedChannelPrefix( Origin, c->name, Client, "PART %s :%s", c->name, Reason );
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Log( LOG_DEBUG, "User \"%s\" left channel \"%s\" (%s).", Client_Mask( Client ), c->name, Reason );
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/* Wenn Channel nun leer: loeschen */
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if( ! Get_First_Cl2Chan( NULL, Chan )) Delete_Channel( Chan );
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return TRUE;
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} /* Remove_Client */
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LOCAL CL2CHAN *Get_First_Cl2Chan( CLIENT *Client, CHANNEL *Chan )
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{
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return Get_Next_Cl2Chan( My_Cl2Chan, Client, Chan );
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} /* Get_First_Cl2Chan */
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LOCAL CL2CHAN *Get_Next_Cl2Chan( CL2CHAN *Start, CLIENT *Client, CHANNEL *Channel )
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{
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CL2CHAN *cl2chan;
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assert( Client != NULL || Channel != NULL );
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cl2chan = Start;
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while( cl2chan )
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{
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if(( Client ) && ( cl2chan->client == Client )) return cl2chan;
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if(( Channel ) && ( cl2chan->channel == Channel )) return cl2chan;
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cl2chan = cl2chan->next;
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}
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return NULL;
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} /* Get_Next_Cl2Chan */
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LOCAL BOOLEAN Delete_Channel( CHANNEL *Chan )
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{
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/* Channel-Struktur loeschen */
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CHANNEL *chan, *last_chan;
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last_chan = NULL;
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chan = My_Channels;
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while( chan )
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{
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if( chan == Chan ) break;
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last_chan = chan;
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chan = chan->next;
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}
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if( ! chan ) return FALSE;
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Log( LOG_DEBUG, "Freed channel structure for \"%s\".", Chan->name );
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/* Neu verketten und freigeben */
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if( last_chan ) last_chan->next = chan->next;
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else My_Channels = chan->next;
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free( chan );
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return TRUE;
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} /* Delete_Channel */
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/* -eof- */
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