//
// File: <timestamp.c>
//
// simple library to create timestamps for log files
//
// Written by: David M. Stanhope
//

#include <sys/time.h>

#include "timestamp.h"

char *
time_string_time_t(time_t t)
{
    static char buf[4][64]; static int idx = 0;

    char *s = ctime(&t);

    strcpy(buf[idx], s); s = buf[idx++];

    if(idx > 3) idx = 0;

    s[24] = '\0'; // drop '\n'

    return s;
}

char *
time_string_str(char *ts)
{
    time_t t = atol (ts);
    return time_string_time_t(t);
}

char *
timestamp(void)
{
    time_t t = RIGHT_NOW;
    return time_string_time_t(t);
}

//          Date: Wed, 03 Oct 2001 21:55:56 GMT
// Last-Modified: Mon, 01 Oct 2001 03:11:41 GMT

static char *day_name[] =
    {
    "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
    };

static char *mon_name[] =
    {
    "Jan", "Feb", "Mar", "Apr", "May", "Jun",
    "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
    };

char *
web_timestamp(void)
{
    static char buf[64];

    time_t t = RIGHT_NOW; struct tm *ts = gmtime(&t);

    sprintf(buf, "%s, %02d %s %d %02d:%02d:%02d GMT",
           day_name[ts->tm_wday], ts->tm_mday       ,
           mon_name[ts->tm_mon ], ts->tm_year + 1900,
                ts->tm_hour, ts->tm_min, ts->tm_sec);

    return buf;
}

//
// The End!
//