timezone.c

来自「ucos-II+移植到arm+s3c2410的全套代码」· C语言 代码 · 共 114 行

/*
** $Id: timezone.c,v 1.2 2003/09/28 09:53:34 weiym Exp $
**
** timezone.c: worldtime timezone for FHAS.
**
** Copyright (C) 2002, 2003 Feynman Software, all rights reserved.
**
** Use of this source package is subject to specific license terms
** from Beijing Feynman Software Technology Co., Ltd.
**
** URL: http://www.minigui.com
**
** Current maintainer: Wei Yongming ([e-mail]).
**
*/

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
  
static char* sys_tz = "TZ=GMT-8";

static char buffer[50];

static struct tm my_tm;
static char ctime_buff [50];

static const char *Week_C[] = {"日", "一", "二", "三", "四", "五", "六"}; 

const char* gettime (char *timezone)
{
    time_t cur_time;

    if ( (cur_time = time(NULL)) != -1) {
        putenv (timezone); tzset();
        localtime_r (&cur_time, &my_tm);
        putenv (sys_tz); tzset();
        sprintf (buffer, "%02d:%02d", my_tm.tm_hour, my_tm.tm_min);
    }                
    return (buffer);
}

const char* getday(char *timezone)
{
    time_t cur_time;
    char *p;

    if ( (cur_time = time(NULL)) != -1) {
        putenv (timezone); tzset();
        ctime_r (&cur_time, ctime_buff);
        putenv (sys_tz); tzset();
        p = ctime_buff;
        p += 4;
        if( *p == ' ' )
            p++;
        strncpy(buffer,p,6);
        buffer[6] = '\0';
    }                
    return (buffer);
}

const char* getdate(char *timezone)
{
    time_t cur_time;

    if ( (cur_time = time(NULL)) != -1) {
        putenv (timezone); tzset();
        localtime_r (&cur_time, &my_tm);
        putenv (sys_tz); tzset();
        sprintf (buffer, "%2d月%2d日 星期%s %02d:%02d", 
                my_tm.tm_mon+1, my_tm.tm_mday, Week_C[my_tm.tm_wday], 
                my_tm.tm_hour, my_tm.tm_min);
    }                
    return (buffer);
}

const char* getdatetime (char *timezone)
{
    time_t cur_time;

    if ( (cur_time = time(NULL)) != -1) {
        putenv (timezone); tzset();
        localtime_r (&cur_time, &my_tm);
        putenv (sys_tz); tzset();
        sprintf (buffer, "%4d-%02d-%02d 星期%s %02d:%02d:%02d", 
                my_tm.tm_year + 1900, my_tm.tm_mon+1, my_tm.tm_mday, 
                Week_C[my_tm.tm_wday], 
                my_tm.tm_hour, my_tm.tm_min, my_tm.tm_sec);
    }                
    return (buffer);
}

const char* getdatefull(char *timezone)
{
    time_t cur_time;
    char *p;
    char *space = " ";

    if ( (cur_time = time(NULL)) != -1) {
        putenv (timezone); tzset();
        ctime_r (&cur_time, ctime_buff);
        putenv (sys_tz); tzset();
        p = ctime_buff;
        p += 0;
        if( *p == ' ' )
            p++;
        strcpy(buffer, space);
        strcat(buffer, p);
    }                
    return (buffer);
}