/*  * 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 * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. */#include "common/setup_before.h"#include <stdio.h>#ifdef HAVE_STDDEF_H# include <stddef.h>#else# ifndef NULL#  define NULL ((void *)0)# endif#endif#ifdef STDC_HEADERS# include <stdlib.h>#else# ifdef HAVE_MALLOC_H#  include <malloc.h># endif#endif#ifdef HAVE_STRING_H# include <string.h>#else# ifdef HAVE_STRINGS_H#  include <strings.h># endif#endif#include "compat/strcasecmp.h"#include "common/eventlog.h"#include "common/list.h"#include "common/xalloc.h"#include "account.h"#include "prefs.h"#include "friends.h"#include "common/setup_after.h"extern t_account * friend_get_account(t_friend * fr){    if (fr == NULL)    {        eventlog(eventlog_level_error, __FUNCTION__,"got NULL account");        return NULL;    }    return fr->friendacc;}extern int friend_set_account(t_friend * fr, t_account * acc){    if (fr == NULL)    {        eventlog(eventlog_level_error, __FUNCTION__,"got NULL account");        return -1;    }    fr->friendacc=acc;    return 0;}extern char friend_get_mutual(t_friend * fr){    if (fr == NULL)    {        eventlog(eventlog_level_error, __FUNCTION__,"got NULL account");        return 0;    }    return fr->mutual;}extern int friend_set_mutual(t_friend * fr, char mutual){    if (fr == NULL)    {        eventlog(eventlog_level_error, __FUNCTION__,"got NULL account");        return -1;    }    fr->mutual=mutual;    return 0;}extern int friendlist_unload(t_list * flist){    t_elem  * curr;    t_friend * fr;    if(flist==NULL)        return -1;    LIST_TRAVERSE(flist,curr)    {        if (!(fr = elem_get_data(curr)))        {            eventlog(eventlog_level_error,__FUNCTION__,"found NULL entry in list");            continue;        }        fr->mutual=-1;    }    return 0;}extern int friendlist_close(t_list * flist){    t_elem * curr;    t_friend * fr;    if(flist==NULL)        return -1;    LIST_TRAVERSE(flist,curr)    {        if (!(fr = elem_get_data(curr)))        {            eventlog(eventlog_level_error,__FUNCTION__,"found NULL entry in list");            continue;        }	if (list_remove_elem(flist, &curr) < 0) 	    eventlog(eventlog_level_error, __FUNCTION__, "could not remove elem from flist");        xfree((void *) fr);    }    list_destroy(flist);    return 0;}extern int friendlist_purge(t_list * flist){    t_elem  * curr;    t_friend * fr;    if(flist==NULL)        return -1;    LIST_TRAVERSE(flist,curr)    {        if (!(fr = elem_get_data(curr)))        {            eventlog(eventlog_level_error,__FUNCTION__,"found NULL entry in list");            continue;        }        if (fr->mutual<0)          {            if(list_remove_elem(flist, &curr)<0)                eventlog(eventlog_level_error,__FUNCTION__,"could not remove item from list");          }    }    return 0;}extern int friendlist_add_account(t_list * flist, t_account * acc, int mutual){    t_friend * fr;    if(flist==NULL)        return -1;    fr = xmalloc(sizeof(t_friend));    fr->friendacc = acc;    fr->mutual = mutual;    list_append_data(flist, fr);    return 0;}extern int friendlist_remove_friend(t_list * flist, t_friend * fr){    t_elem * elem;        if(flist==NULL)        return -1;    if(fr!=NULL)    {        if(list_remove_data(flist, fr, &elem)<0)        {            eventlog(eventlog_level_error,__FUNCTION__,"could not remove item from list");            return -1;        }	xfree((void *)fr);        return 0;    }    return -1;}extern int friendlist_remove_account(t_list * flist, t_account * acc){    t_elem * elem;    t_friend * fr;    if(flist==NULL)        return -1;    fr=friendlist_find_account(flist, acc);    if(fr!=NULL)    {        if(list_remove_data(flist, fr, &elem)<0)        {            eventlog(eventlog_level_error,__FUNCTION__,"could not remove item from list");            return -1;        }	xfree((void *)fr);        return 0;    }    return -1;}extern int friendlist_remove_username(t_list * flist, const char * accname){    t_elem * elem;    t_friend * fr;    if(flist==NULL)        return -1;    fr=friendlist_find_username(flist, accname);    if(fr!=NULL)    {        if(list_remove_data(flist, fr, &elem)<0)        {            eventlog(eventlog_level_error,__FUNCTION__,"could not remove item from list");            return -1;        }	xfree((void *)fr);        return 0;    }    return -1;}extern t_friend * friendlist_find_account(t_list * flist, t_account * acc){    t_elem  * curr;    t_friend * fr;    if(flist==NULL)        return NULL;    LIST_TRAVERSE(flist,curr)    {        if (!(fr = elem_get_data(curr)))        {            eventlog(eventlog_level_error,__FUNCTION__,"found NULL entry in list");            continue;        }        if (fr->friendacc == acc)            return fr;    }    return NULL;}extern t_friend * friendlist_find_username(t_list * flist, const char * accname){    t_elem  * curr;    t_friend * fr;    if(flist==NULL)        return NULL;    LIST_TRAVERSE(flist,curr)    {        if (!(fr = elem_get_data(curr)))        {            eventlog(eventlog_level_error,__FUNCTION__,"found NULL entry in list");            continue;        }        if (strcasecmp(account_get_name(fr->friendacc),accname)==0) return fr;    }    return NULL;}extern t_friend * friendlist_find_uid(t_list * flist, int uid){    t_elem  * curr;    t_friend * fr;    if(flist==NULL)        return NULL;    LIST_TRAVERSE(flist,curr)    {        if (!(fr = elem_get_data(curr)))        {            eventlog(eventlog_level_error,__FUNCTION__,"found NULL entry in list");            continue;        }        if (account_get_uid(fr->friendacc)==uid) return fr;    }    return NULL;}