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/** @file
*
* Submitted by Edwin Groothuis <wireshark@mavetju.org>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef __TIME_SHIFT_H__
#define __TIME_SHIFT_H__
#include "cfile.h"
#include <wsutil/nstime.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/*
* XXX - We might want to move all of this somewhere more accessible to
* editcap so that we can make its time adjustments more versatile.
*/
/**
* Parse a time string and fill in each component.
*
* If year, month, and day are non-NULL a full time format "[YYYY-MM-DD] hh:mm:ss[.decimals]"
* is allowed. Otherwise an offset format "[-][[hh:]mm:]ss[.decimals]" is allowed.
*
* @param time_text Time string
* @param year Year. May be NULL
* @param month Month. May be NULL
* @param day Day. May be NULL.
* @param negative Time offset is negative. May be NULL if year, month, and day are not NULL.
* @param hour Hours. Must not be NULL.
* @param minute Minutes. Must not be NULL.
* @param second Seconds. Must not be NULL.
*
* @return NULL on success or an error description on failure.
*/
const char * time_string_parse(const char *time_text, int *year, int *month, int *day, bool *negative, int *hour, int *minute, long double *second);
/** Shift all packets by an offset
*
* @param cf Capture file to shift
* @param offset_text String representation of the offset.
*
* @return NULL on success or an error description on failure.
*/
const char * time_shift_all(capture_file *cf, const char *offset_text);
/* Set the time for a single packet
*
* @param cf Capture file to set
* @param packet_num Packet to set
* @param time_text String representation of the time
*
* @return NULL on success or an error description on failure.
*/
const char * time_shift_settime(capture_file *cf, unsigned packet_num, const char *time_text);
/* Set the time for two packets and extrapolate the rest
*
* @param cf Capture file to set
* @param packet1_num First packet to set
* @param time1_text String representation of the first packet time
* @param packet2_num Second packet to set
* @param time2_text String representation of the second packet time
*
* @return NULL on success or an error description on failure.
*/
const char * time_shift_adjtime(capture_file *cf, unsigned packet1_num, const char *time1_text, unsigned packet2_num, const char *time2_text);
/* Reset the times for all packets
*
* @param cf Capture file to set
*
* @return NULL on success or an error description on failure.
*/
const char * time_shift_undo(capture_file *cf);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __TIME_SHIFT_H__ */
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