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diff --git a/dom/media/webrtc/transport/third_party/nrappkit/src/util/libekr/r_list.c b/dom/media/webrtc/transport/third_party/nrappkit/src/util/libekr/r_list.c
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+++ b/dom/media/webrtc/transport/third_party/nrappkit/src/util/libekr/r_list.c
@@ -0,0 +1,273 @@
+/**
+ r_list.c
+
+
+ Copyright (C) 2002-2003, Network Resonance, Inc.
+ Copyright (C) 2006, Network Resonance, Inc.
+ All Rights Reserved
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ 3. Neither the name of Network Resonance, Inc. nor the name of any
+ contributors to this software may be used to endorse or promote
+ products derived from this software without specific prior written
+ permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+
+
+ */
+
+/**
+ r_list.c
+
+
+ Copyright (C) 1999-2000 RTFM, Inc.
+ All Rights Reserved
+
+ This package is a SSLv3/TLS protocol analyzer written by Eric Rescorla
+ <ekr@rtfm.com> and licensed by RTFM, Inc.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ 3. All advertising materials mentioning features or use of this software
+ must display the following acknowledgement:
+
+ This product includes software developed by Eric Rescorla for
+ RTFM, Inc.
+
+ 4. Neither the name of RTFM, Inc. nor the name of Eric Rescorla may be
+ used to endorse or promote products derived from this
+ software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY ERIC RESCORLA AND RTFM, INC. ``AS IS'' AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY SUCH DAMAGE.
+
+ $Id: r_list.c,v 1.2 2006/08/16 19:39:17 adamcain Exp $
+
+
+ ekr@rtfm.com Tue Jan 19 08:36:39 1999
+ */
+
+#include <r_common.h>
+#include "r_list.h"
+
+typedef struct r_list_el_ {
+ void *data;
+ struct r_list_el_ *next;
+ struct r_list_el_ *prev;
+ int (*copy)(void **new,void *old);
+ int (*destroy)(void **ptr);
+} r_list_el;
+
+struct r_list_ {
+ struct r_list_el_ *first;
+ struct r_list_el_ *last;
+};
+
+int r_list_create(listp)
+ r_list **listp;
+ {
+ r_list *list=0;
+ int _status;
+
+ if(!(list=(r_list *)RCALLOC(sizeof(r_list))))
+ ABORT(R_NO_MEMORY);
+
+ list->first=0;
+ list->last=0;
+ *listp=list;
+
+ _status=0;
+ abort:
+ return(_status);
+ }
+
+int r_list_destroy(listp)
+ r_list **listp;
+ {
+ r_list *list;
+ r_list_el *el;
+
+ if(!listp || !*listp)
+ return(0);
+ list=*listp;
+
+ el=list->first;
+
+ while(el){
+ r_list_el *el_t;
+
+ if(el->destroy && el->data)
+ el->destroy(&el->data);
+ el_t=el;
+ el=el->next;
+ RFREE(el_t);
+ }
+
+ RFREE(list);
+ *listp=0;
+
+ return(0);
+ }
+
+int r_list_copy(outp,in)
+ r_list**outp;
+ r_list *in;
+ {
+ r_list *out=0;
+ r_list_el *el,*el2,*last=0;
+ int r, _status;
+
+ if(!in){
+ *outp=0;
+ return(0);
+ }
+
+ if(r=r_list_create(&out))
+ ABORT(r);
+
+ for(el=in->first;el;el=el->next){
+ if(!(el2=(r_list_el *)RCALLOC(sizeof(r_list_el))))
+ ABORT(R_NO_MEMORY);
+
+ if(el->copy && el->data){
+ if(r=el->copy(&el2->data,el->data))
+ ABORT(r);
+ }
+
+ el2->copy=el->copy;
+ el2->destroy=el->destroy;
+
+ if(!(out->first))
+ out->first=el2;
+
+ el2->prev=last;
+ if(last) last->next=el2;
+ last=el2;
+ }
+
+ out->last=last;
+
+ *outp=out;
+
+ _status=0;
+ abort:
+ if(_status)
+ r_list_destroy(&out);
+ return(_status);
+ }
+
+int r_list_insert(list,value,copy,destroy)
+ r_list *list;
+ void *value;
+ int (*copy)(void **out, void *in);
+ int (*destroy)(void **val);
+ {
+ r_list_el *el=0;
+ int _status;
+
+ if(!(el=(r_list_el *)RCALLOC(sizeof(r_list_el))))
+ ABORT(R_NO_MEMORY);
+ el->data=value;
+ el->copy=copy;
+ el->destroy=destroy;
+
+ el->prev=0;
+ el->next=list->first;
+ if(list->first){
+ list->first->prev=el;
+ }
+ list->first=el;
+
+ _status=0;
+ abort:
+ return(_status);
+ }
+
+int r_list_append(list,value,copy,destroy)
+ r_list *list;
+ void *value;
+ int (*copy)(void **out, void *in);
+ int (*destroy)(void **val);
+ {
+ r_list_el *el=0;
+ int _status;
+
+ if(!(el=(r_list_el *)RCALLOC(sizeof(r_list_el))))
+ ABORT(R_NO_MEMORY);
+ el->data=value;
+ el->copy=copy;
+ el->destroy=destroy;
+
+ el->prev=list->last;
+ el->next=0;
+
+ if(list->last) list->last->next=el;
+ else list->first=el;
+
+ list->last=el;
+
+ _status=0;
+ abort:
+ return(_status);
+ }
+
+int r_list_init_iter(list,iter)
+ r_list *list;
+ r_list_iterator *iter;
+ {
+ iter->list=list;
+ iter->ptr=list->first;
+
+ return(0);
+ }
+
+int r_list_iter(iter,val)
+ r_list_iterator *iter;
+ void **val;
+ {
+ if(!iter->ptr)
+ return(R_EOD);
+
+ *val=iter->ptr->data;
+ iter->ptr=iter->ptr->next;
+
+ return(0);
+ }
+
+
+
+
+
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