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2b8200409c
git-svn-id: svn+ssh://svn.savannah.nongnu.org/linphone/trunk@1 3f6dc0c8-ddfe-455d-9043-3cd528dc4637
86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
/***************************************************************************
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* utils.c
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*
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* Wed Feb 23 14:15:36 2005
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* Copyright 2005 Simon Morlat
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* Email simon.morlat@linphone.org
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****************************************************************************/
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/*
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The oRTP library is an RTP (Realtime Transport Protocol - rfc3550) stack.
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Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "ortp/port.h"
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#include "utils.h"
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OList *o_list_new(void *data){
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OList *new_elem=(OList*)ortp_new0(OList,1);
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new_elem->data=data;
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return new_elem;
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}
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OList * o_list_append(OList *elem, void * data){
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OList *new_elem=o_list_new(data);
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OList *it=elem;
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if (elem==NULL) return new_elem;
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while (it->next!=NULL) it=o_list_next(it);
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it->next=new_elem;
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new_elem->prev=it;
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return elem;
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}
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OList * o_list_free(OList *list){
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OList *elem = list;
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OList *tmp;
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return_val_if_fail(list, list);
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while(elem->next!=NULL) {
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tmp = elem;
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elem = elem->next;
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ortp_free(tmp);
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}
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ortp_free(elem);
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return NULL;
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}
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OList *o_list_remove_link(OList *list, OList *elem){
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OList *ret;
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if (elem==list){
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ret=elem->next;
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elem->prev=NULL;
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elem->next=NULL;
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if (ret!=NULL) ret->prev=NULL;
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ortp_free(elem);
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return ret;
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}
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elem->prev->next=elem->next;
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if (elem->next!=NULL) elem->next->prev=elem->prev;
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elem->next=NULL;
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elem->prev=NULL;
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ortp_free(elem);
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return list;
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}
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OList * o_list_remove(OList *list, void *data){
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OList *it;
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for(it=list;it!=NULL;it=it->next){
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if (it->data==data){
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return o_list_remove_link(list,it);
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}
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}
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return list;
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}
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