to_s

/*
 *  call-seq:
 *     time.inspect => string
 *     time.to_s    => string
 *  
 *  Returns a string representing <i>time</i>. Equivalent to calling
 *  <code>Time#strftime</code> with a format string of ``<code>%a</code>
 *  <code>%b</code> <code>%d</code> <code>%H:%M:%S</code>
 *  <code>%Z</code> <code>%Y</code>''.
 *     
 *     Time.now.to_s   #=> "Wed Apr 09 08:56:04 CDT 2003"
 */

static VALUE
time_to_s(time)
    VALUE time;
{
    struct time_object *tobj;
    char buf[128];
    int len;

    GetTimeval(time, tobj);
    if (tobj->tm_got == 0) {
        time_get_tm(time, tobj->gmt);
    }
    if (tobj->gmt == 1) {
        len = strftime(buf, 128, "%a %b %d %H:%M:%S UTC %Y", &tobj->tm);
    }
    else {
        time_t off;
        char buf2[32];
        char sign = '+';
#if defined(HAVE_STRUCT_TM_TM_GMTOFF)
        off = tobj->tm.tm_gmtoff;
#else
        VALUE tmp = time_utc_offset(time);
        off = NUM2INT(tmp);
#endif
        if (off < 0) {
            sign = '-';
            off = -off;
        }
        sprintf(buf2, "%%a %%b %%d %%H:%%M:%%S %c%02d%02d %%Y",
                sign, (int)(off/3600), (int)(off%3600/60));
        len = strftime(buf, 128, buf2, &tobj->tm);
    }
    return rb_str_new(buf, len);
}