ObjFW  Check-in [005a10d3ec]

# define trunc(x) ((int64_t)(x))
#endif

#if (!defined(HAVE_GMTIME_R) || !defined(HAVE_LOCALTIME_R)) && \
    defined(OF_HAVE_THREADS)
static OFMutex *mutex;
#endif

#ifdef OF_WINDOWS
static WINAPI __time64_t (*func__mktime64)(struct tm *);
#endif

#ifdef HAVE_GMTIME_R
# define GMTIME_RET(field)						\
	time_t seconds = (time_t)_seconds;				\
	struct tm tm;							\
									\
	if (seconds != trunc(_seconds))					\

	/* Time zone */
	seconds += -(double)*tz * 60;

	return seconds;
}

@implementation OFDate
#if (!defined(HAVE_GMTIME_R) || !defined(HAVE_LOCALTIME_R)) && \
    defined(OF_HAVE_THREADS)
+ (void)initialize
{
#ifdef OF_WINDOWS
	HMODULE module;
#endif

	if (self == [OFDate class])
		mutex = [[OFMutex alloc] init];
}
	if (self != [OFDate class])
		return;

#if (!defined(HAVE_GMTIME_R) || !defined(HAVE_LOCALTIME_R)) && \
    defined(OF_HAVE_THREADS)
	mutex = [[OFMutex alloc] init];
#endif

#ifdef OF_WINDOWS
	if ((module = LoadLibrary("msvcrt.dll")) != NULL)
		func__mktime64 = (WINAPI __time64_t (*)(struct tm *))
		    GetProcAddress(module, "_mktime64");
#endif
}

+ (instancetype)date
{
	return [[[self alloc] init] autorelease];
}

+ (instancetype)dateWithTimeIntervalSince1970: (of_time_interval_t)seconds

		tm.tm_isdst = -1;

		if (of_strptime(UTF8String, format.UTF8String,
		    &tm, &tz) != UTF8String + string.UTF8StringLength)
			@throw [OFInvalidFormatException exception];

		if (tz == INT16_MAX) {
#ifndef OF_WINDOWS
			if ((_seconds = mktime(&tm)) == -1)
				@throw [OFInvalidFormatException exception];
#else
			if ((_seconds = _mktime64(&tm)) == -1)
				@throw [OFInvalidFormatException exception];
#ifdef OF_WINDOWS
			if (func__mktime64 != NULL) {
				if ((_seconds = func__mktime64(&tm)) == -1)
					@throw [OFInvalidFormatException
					    exception];
			} else {
#endif
				if ((_seconds = mktime(&tm)) == -1)
					@throw [OFInvalidFormatException
					    exception];
#ifdef OF_WINDOWS
			}
#endif
		} else
			_seconds = tmAndTzToTime(&tm, &tz);
	} @catch (id e) {
		[self release];
		@throw e;
	}