KDK_SYSTEM_SET_LONG_DATEFORMAT(3) Library Functions Manual KDK_SYSTEM_SET_LONG_DATEFORMAT(3)

kdk_system_set_long_dateformat - 设置日期长格式

#include <libkydate.h>

extern int kdk_system_set_long_dateformat(char *format);

Link with -lkydate.

The main function of this interface is to set the long date format.

The argument format is the date format, Please pass in one of the long formats.

On success, returns 1

On error, return -1.

#include "libkydate.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <stdlib.h>
#include <glib.h>
#include <glib-object.h>
int main()
{
	int ret = kdk_system_set_long_dateformat("2230年3月4日");
	ret = kdk_system_set_short_dateformat("22/5/3");
	char *ld = kdk_system_get_longformat_date();
	printf("long res = %s0, ld);
	free(ld);

	char *sd = kdk_system_get_shortformat_date();
	printf("short res = %s0, sd);
	free(sd);
	char *ll = kdk_system_get_longformat();
	printf("longformat = %s0, ll);
	free(ll);
	char *ss = kdk_system_get_shortformat();
	printf("shortformat = %s0, ss);
	free(ss);
	struct tm ptr;

	ptr.tm_year = 2322;
	ptr.tm_mon = 9;
	ptr.tm_mday = 3;
	char *lt = kdk_system_longformat_transform(&ptr);
	printf("longformat_transform = %s0, lt);
	free(lt);
	ptr.tm_year = 2022;
	ptr.tm_mon = 3;
	ptr.tm_mday = 2;
	char *st = kdk_system_shortformat_transform(&ptr);
	printf("shortformat_transform = %s0, st);
	free(st);
	kdk_logn_dateinfo *info = kdk_system_login_lock_dateinfo("szm");
	printf("date = %s,time = %s,week = %s0,info->date,info->time,info->week);
	kdk_free_logn_dateinfo(info);
	ptr.tm_hour = 19;
	ptr.tm_min = 3;
	ptr.tm_sec = 2;
	kdk_timeinfo *ti = kdk_system_timeformat_transform(&ptr);
	printf("time = %s, timesec = %s0, ti->time, ti->timesec);
	kdk_free_timeinfo(ti);
    return 0;
}

These functions are as per the withdrawn POSIX.1e draft specification. The following functions are Linux extensions: kdk_system_get_dateformat(), kdk_system_set_dateformat(), kdk_system_set_24_timeformat(), kdk_system_set_12_timeformat(), kdk_system_get_now_dateformat(), kdk_system_get_now_timeformat(), kdk_system_tran_dateformat(), kdk_system_nowtime(), kdk_system_nowdate(), kdk_system_shortweek(), kdk_system_longweek(), kdk_system_second(), kdk_system_logn_dateinfo(), kdk_system_gjx_time(), kdk_date_freeall(), kdk_free_dateinfo(), kdk_free_logn_dateinfo(), kdk_system_set_short_dateformat(), kdk_system_get_longformat_date(), kdk_system_get_shortformat_date(), kdk_system_get_longformat(), kdk_system_get_shortformat(), kdk_system_longformat_transform(), kdk_system_shortformat_transform(), kdk_system_login_lock_dateinfo(), kdk_system_timeformat_transform() and kdk_free_timeinfo().

kdk_system_get_dateformat(3), kdk_system_set_dateformat(3), kdk_system_set_24_timeformat(3), kdk_system_set_12_timeformat(3), kdk_system_get_now_dateformat(3), kdk_system_get_now_timeformat(3), kdk_system_tran_dateformat(3), kdk_system_nowtime(3), kdk_system_nowdate(3), kdk_system_shortweek(3), kdk_system_longweek(3), kdk_system_second(3), kdk_system_logn_dateinfo(3), kdk_system_gjx_time(3), kdk_date_freeall(3), kdk_free_dateinfo(3), kdk_free_logn_dateinfo(3), kdk_system_set_short_dateformat(3), kdk_system_get_longformat_date(3), kdk_system_get_shortformat_date(3), kdk_system_get_longformat(3), kdk_system_get_shortformat(3), kdk_system_longformat_transform(3), kdk_system_shortformat_transform(3), kdk_system_login_lock_dateinfo(3), kdk_system_timeformat_transform(3) and kdk_free_timeinfo(3).

Tue Sep 19 2023 Linux Programmer's Manual