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/********************************************************************\
* BitlBee -- An IRC to other IM-networks gateway *
* *
* Copyright 2002-2004 Wilmer van der Gaast and others *
\********************************************************************/
/* Stuff to handle, save and search buddies */
/*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License with
the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
if not, write to the Free Software Foundation, Inc., 59 Temple Place,
Suite 330, Boston, MA 02111-1307 USA
*/
#define BITLBEE_CORE
#include "bitlbee.h"
user_t *user_add( irc_t *irc, char *nick )
{
user_t *u, *lu = NULL;
char *key;
if( !nick_ok( nick ) )
return( NULL );
if( user_find( irc, nick ) != NULL )
return( NULL );
if( ( u = irc->users ) )
{
while( u )
{
if( nick_cmp( nick, u->nick ) < 0 )
break;
lu = u;
u = u->next;
}
u = g_new0( user_t, 1 );
if( lu )
{
u->next = lu->next;
lu->next = u;
}
else
{
u->next = irc->users;
irc->users = u;
}
}
else
{
irc->users = u = g_new0( user_t, 1 );
}
u->user = u->realname = u->host = u->nick = g_strdup( nick );
u->is_private = set_getint( irc, "private" );
key = g_strdup( nick );
nick_lc( key );
g_hash_table_insert( irc->userhash, key, u );
return( u );
}
int user_del( irc_t *irc, char *nick )
{
user_t *u, *t;
char *key;
gpointer okey, ovalue;
if( !nick_ok( nick ) )
return( 0 );
u = irc->users;
t = NULL;
while( u )
{
if( nick_cmp( u->nick, nick ) == 0 )
{
/* Get this key now already, since "nick" might be free()d
at the time we start playing with the hash... */
key = g_strdup( nick );
nick_lc( key );
if( t )
t->next = u->next;
else
irc->users = u->next;
if( u->online )
irc_kill( irc, u );
g_free( u->nick );
if( u->nick != u->user ) g_free( u->user );
if( u->nick != u->host ) g_free( u->host );
if( u->nick != u->realname ) g_free( u->realname );
if( u->away ) g_free( u->away );
if( u->handle ) g_free( u->handle );
if( u->sendbuf ) g_free( u->sendbuf );
if( u->sendbuf_timer ) g_source_remove( u->sendbuf_timer );
g_free( u );
if( !g_hash_table_lookup_extended( irc->userhash, key, &okey, &ovalue ) || ovalue != u )
{
g_free( key );
return( 1 ); /* Although this is a severe error, the user is removed from the list... */
}
g_hash_table_remove( irc->userhash, key );
g_free( key );
g_free( okey );
return( 1 );
}
u = (t=u)->next;
}
return( 0 );
}
user_t *user_find( irc_t *irc, char *nick )
{
char key[512] = "";
strncpy( key, nick, sizeof( key ) - 1 );
if( nick_lc( key ) )
return( g_hash_table_lookup( irc->userhash, key ) );
else
return( NULL );
}
user_t *user_findhandle( struct gaim_connection *gc, char *handle )
{
user_t *u = gc->irc->users;
while( u )
{
if( u->gc == gc && u->handle && handle_cmp( u->handle, handle, gc->protocol ) == 0 )
break;
u = u->next;
}
return( u );
}
void user_rename( irc_t *irc, char *oldnick, char *newnick )
{
user_t *u = user_find( irc, oldnick );
gpointer okey, ovalue;
char *key;
if( !u ) return; /* Should've been checked by the caller... */
g_free( u->nick );
if( u->nick == u->user ) u->user = NULL;
if( u->nick == u->host ) u->host = NULL;
if( u->nick == u->realname ) u->realname = NULL;
u->nick = g_strdup( newnick );
if( !u->user ) u->user = u->nick;
if( !u->host ) u->user = u->host;
if( !u->realname ) u->user = u->realname;
/* Remove the old reference to this user from the hash and create a
new one with the new nick. This is indeed a bit messy. */
key = g_strdup( oldnick );
nick_lc( key );
if( !g_hash_table_lookup_extended( irc->userhash, key, &okey, &ovalue ) || ovalue != u )
{
g_free( key );
return; /* This really shouldn't happen! */
}
g_hash_table_remove( irc->userhash, key );
g_free( key );
g_free( okey );
key = g_strdup( newnick );
nick_lc( key );
g_hash_table_insert( irc->userhash, key, u );
/* Also, let's try to keep the linked list nicely sorted. Fear this
code. If my teacher would see this, she would cry. ;-) */
{
user_t *u1, *lu1;
/* Remove the user from the old position in the chain. */
if( u == irc->users )
{
irc->users = u->next;
}
else
{
u1 = u;
for( lu1 = irc->users; lu1->next != u1; lu1 = lu1->next );
lu1->next = u1->next;
}
/* Search for the new position. */
for( lu1 = NULL, u1 = irc->users; u1; u1 = u1->next )
{
if( nick_cmp( newnick, u1->nick ) < 0 )
break;
lu1 = u1;
}
/* Insert it at this new position. */
u->next = u1;
if( lu1 )
lu1->next = u;
else
irc->users = u;
}
}
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