forked from Mirrors/freeswitch
d2edcad66e
Thanks to Phil Zimmermann for the code and for the license exception we needed to include it. There remains some build system integration work to be done before this code will build properly in the FreeSWITCH tree.
67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
/*
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* libZRTP SDK library, implements the ZRTP secure VoIP protocol.
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* Copyright (c) 2006-2009 Philip R. Zimmermann. All rights reserved.
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* Contact: http://philzimmermann.com
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* For licensing and other legal details, see the file zrtp_legal.c.
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*
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* Viktor Krykun <v.krikun at zfoneproject.com>
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*/
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#ifndef __ZRTP_LIST_H__
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#define __ZRTP_LIST_H__
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#include "zrtp_config.h"
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typedef struct mlist mlist_t;
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struct mlist
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{
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mlist_t *next;
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mlist_t *prev;
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};
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#if defined(__cplusplus)
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extern "C"
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{
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#endif
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/*
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* \warning
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* We cast pointer to integer. There is bad thing for 64 bit platforms but
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* calculated offset couldn't be bigger then 2x32 and it will be casted
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* to integer correctly.
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*/
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#define mlist_list_offset(type, list_name) ((size_t)&(((type*)0)->list_name))
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#define mlist_get_struct(type, list_name, list_ptr) \
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((type*)(((char*)(list_ptr)) - mlist_list_offset(type,list_name)))
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#define mlist_for_each(pos, head) \
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for (pos = (head)->next; pos != (head); pos = pos->next)
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#define mlist_for_each_safe(pos, n, head) \
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for (pos = (head)->next, n = pos->next; pos != (head); \
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pos = n, n = pos->next)
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void init_mlist(mlist_t* head);
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void mlist_add(mlist_t* head, mlist_t* node);
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void mlist_add_tail(mlist_t *head, mlist_t *node);
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void mlist_insert(mlist_t *prev, mlist_t *node);
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void mlist_del(mlist_t *node);
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void mlist_del_tail(mlist_t *node);
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mlist_t* mlist_get(mlist_t *head);
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mlist_t* mlist_get_tail(mlist_t *head);
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int mlist_isempty(mlist_t *head);
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#if defined(__cplusplus)
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}
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#endif
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#endif /*__ZRTP_LIST_H__ */
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