[apple/mdnsresponder.git] / mDNSPosix / posix_utilities.c

//
//  posix_utilities.c
//  mDNSResponder
//
//  Copyright (c) 2019 Apple Inc. All rights reserved.
//

#include "posix_utilities.h"
#include "mDNSEmbeddedAPI.h"
#include <stdlib.h>                 // for NULL
#include <stdio.h>                  // for snprintf
#include <time.h>
#include <sys/time.h>               // for gettimeofday

mDNSexport void getLocalTimestamp(char * const buffer, mDNSu32 buffer_len)
{
    struct timeval      now;
    struct tm           local_time;
    char                date_time_str[32];
    char                time_zone_str[32];

    gettimeofday(&now, NULL);
    localtime_r(&now.tv_sec, &local_time);

    strftime(date_time_str, sizeof(date_time_str), "%F %T", &local_time);
    strftime(time_zone_str, sizeof(time_zone_str), "%z", &local_time);
    snprintf(buffer, buffer_len, "%s.%06lu%s", date_time_str, (unsigned long)now.tv_usec, time_zone_str);
}
Commit	Line	Data
f0cc3e7b A	1	//
	2	// posix_utilities.c
	3	// mDNSResponder
	4	//
	5	// Copyright (c) 2019 Apple Inc. All rights reserved.
	6	//
	7
	8	#include "posix_utilities.h"
	9	#include "mDNSEmbeddedAPI.h"
	10	#include <stdlib.h> // for NULL
	11	#include <stdio.h> // for snprintf
	12	#include <time.h>
	13	#include <sys/time.h> // for gettimeofday
	14
	15	mDNSexport void getLocalTimestamp(char * const buffer, mDNSu32 buffer_len)
	16	{
	17	struct timeval now;
	18	struct tm local_time;
	19	char date_time_str[32];
	20	char time_zone_str[32];
	21
	22	gettimeofday(&now, NULL);
	23	localtime_r(&now.tv_sec, &local_time);
	24
	25	strftime(date_time_str, sizeof(date_time_str), "%F %T", &local_time);
	26	strftime(time_zone_str, sizeof(time_zone_str), "%z", &local_time);
	27	snprintf(buffer, buffer_len, "%s.%06lu%s", date_time_str, (unsigned long)now.tv_usec, time_zone_str);
	28	}