osip_time.h
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/*
The oSIP library implements the Session Initiation Protocol (SIP -rfc3261-)
Copyright (C) 2001-2020 Aymeric MOIZARD amoizard@antisip.com
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _OSIP_TIME_H_
#define _OSIP_TIME_H_
#ifdef __cplusplus
extern "C" {
#endif
/* Common time-related functions and data types */
#if defined(_WIN32_WCE)
struct _timeb {
time_t time;
unsigned short millitm;
short timezone;
short dstflag;
};
#endif
/* struct timeval, as defined in <sys/time.h>, <winsock.h> or <winsock2.h> */
struct timeval;
/* Time manipulation functions */
void add_gettimeofday(struct timeval *atv, int ms);
void min_timercmp(struct timeval *tv1, struct timeval *tv2);
/* Operations on struct timeval */
#if !defined(timerisset)
#define osip_timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec)
#else
#define osip_timerisset(tvp) timerisset(tvp)
#endif
#if !defined(timercmp)
#define osip_timercmp(a, b, CMP) (((a)->tv_sec == (b)->tv_sec) ? ((a)->tv_usec CMP(b)->tv_usec) : ((a)->tv_sec CMP(b)->tv_sec))
#else
#define osip_timercmp(tvp, uvp, cmp) timercmp(tvp, uvp, cmp)
#endif
#if !defined(timerclear)
#define osip_timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0
#else
#define osip_timerclear(tvp) timerclear(tvp)
#endif
#if !defined(timersub)
#define osip_timersub(a, b, result) \
do { \
(result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
(result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
if ((result)->tv_usec < 0) { \
--(result)->tv_sec; \
(result)->tv_usec += 1000000; \
} \
} while (0)
#else
#define osip_timersub(a, b, result) timersub(a, b, result)
#endif
int osip_gettimeofday(struct timeval *tp, void *tz);
time_t osip_getsystemtime(time_t *t);
void osip_compensatetime(void);
#ifdef __cplusplus
}
#endif
#endif