/* Return the current time as a signed 64-bit number of seconds since
midnight, 1 January 1904. This is apparently when the Macintosh
was designed. */
int
macTime(int *hi, unsigned *lo)
{
unsigned long diff; /* Not time_t */
time_t macEpoch, current;
struct tm tm;
tm.tm_sec = 0;
tm.tm_min = 0;
tm.tm_hour = 0;
tm.tm_mday = 1;
tm.tm_mon = 1;
tm.tm_year = 4;
tm.tm_isdst = -1;
macEpoch = mktime_gmt(&tm);
if(macEpoch < 0) return -1;
current = time(NULL);
if(current < 0)
return -1;
if(current < macEpoch) {
errno = EINVAL;
return -1;
}
diff = current - macEpoch;
#if INT_MAX == LONG_MAX
*hi = 0;
#else
*hi = diff >> 32;
#endif
*lo = diff & 0xFFFFFFFF;
return 0;
}
//-----------------------------------------------------------------//
time_t mktime(const struct tm *tmp)
{
time_t t = mktime_gmt(tmp);
// GMT からの偏差(-9時間）
t -= (time_t)timezone_offset_ * 3600;
return t;
}
int parse_time(const char *buf, int offset, int len, time_t * time_return)
{
struct tm tm;
time_t t;
int i = offset;
i = skip_word(buf, i, len);
if (i < 0)
return -1;
i = skip_separator(buf, i, len);
if (i < 0)
return -1;
if (i >= len)
return -1;
if (d2i(buf[i]) >= 0) {
i = parse_int(buf, i, len, &tm.tm_mday);
if (i < 0)
return -1;
i = skip_separator(buf, i, len);
if (i < 0)
return -1;
i = parse_month(buf, i, len, &tm.tm_mon);
if (i < 0)
return -1;
i = skip_separator(buf, i, len);
if (i < 0)
return -1;
i = parse_int(buf, i, len, &tm.tm_year);
if (i < 0)
return -1;
if (tm.tm_year < 100)
tm.tm_year += 1900;
if (tm.tm_year < 1937)
tm.tm_year += 100;
if (tm.tm_year < 1937)
return -1;
i = skip_separator(buf, i, len);
if (i < 0)
return -1;
i = parse_int(buf, i, len, &tm.tm_hour);
if (i < 0)
return -1;
i = skip_separator(buf, i, len);
if (i < 0)
return -1;
i = parse_int(buf, i, len, &tm.tm_min);
if (i < 0)
return -1;
i = skip_separator(buf, i, len);
if (i < 0)
return -1;
i = parse_int(buf, i, len, &tm.tm_sec);
if (i < 0)
return -1;
i = skip_separator(buf, i, len);
if (i < 0)
return -1;
i = skip_word(buf, i, len);
if (i < 0)
return -1;
} else {
i = parse_month(buf, i, len, &tm.tm_mon);
if (i < 0)
return -1;
i = skip_separator(buf, i, len);
if (i < 0)
return -1;
i = parse_int(buf, i, len, &tm.tm_mday);
if (i < 0)
return -1;
i = skip_separator(buf, i, len);
if (i < 0)
return -1;
i = parse_int(buf, i, len, &tm.tm_hour);
if (i < 0)
return -1;
i = skip_separator(buf, i, len);
if (i < 0)
return -1;
i = parse_int(buf, i, len, &tm.tm_min);
if (i < 0)
return -1;
i = skip_separator(buf, i, len);
if (i < 0)
return -1;
i = parse_int(buf, i, len, &tm.tm_sec);
if (i < 0)
return -1;
i = skip_separator(buf, i, len);
if (i < 0)
return -1;
i = parse_int(buf, i, len, &tm.tm_year);
if (i < 0)
return -1;
if (tm.tm_year < 100)
tm.tm_year += 1900;
if (tm.tm_year < 1937)
tm.tm_year += 100;
if (tm.tm_year < 1937 || tm.tm_year > 2040)
return -1;
}
if (tm.tm_year < 2038) {
tm.tm_year -= 1900;
tm.tm_isdst = -1;
t = mktime_gmt(&tm);
if (t == -1)
return -1;
} else {
t = time_t_max;
}
*time_return = t;
return i;
}
