ObjFW  Check-in [343501981b]

/*!
 * @brief The standard error as an OFStream.
 */
extern OFStdIOStream *_Nullable of_stderr;

/*!
 * @brief Log the specified printf-style format to @ref of_stderr.
 * @brief Logs the specified printf-style format to @ref of_stderr.
 *
 * This prefixes the output with the date, timestamp, process name and PID and
 * allows `%@` as a printf-style formatted to print objects.
 */
extern void of_log(OFConstantString *format, ...);

/*!
 * @brief Logs the specified printf-style format to @ref of_stderr.
 *
 * This prefixes the output with the date, timestamp, process name and PID and
 * allows `%@` as a printf-style formatted to print objects.
 */
extern void of_logv(OFConstantString *format, va_list arguments);
#ifdef __cplusplus
}
#endif

OF_ASSUME_NONNULL_END

	[of_stderr dealloc];
}
#endif

void
of_log(OFConstantString *format, ...)
{
	va_list arguments;

	va_start(arguments, format);
	of_logv(format, arguments);
	va_end(arguments);
}

void
of_logv(OFConstantString *format, va_list arguments)
{
	void *pool = objc_autoreleasePoolPush();
	OFDate *date;
	OFString *dateString, *me, *msg;
	va_list arguments;

	date = [OFDate date];
	dateString = [date localDateStringWithFormat: @"%Y-%m-%d %H:%M:%S"];
#ifdef OF_HAVE_FILES
	me = [OFApplication programName].lastPathComponent;
#else
	me = [OFApplication programName];
#endif

	va_start(arguments, format);
	msg = [[[OFString alloc] initWithFormat: format
				      arguments: arguments] autorelease];
	va_end(arguments);

	[of_stderr writeFormat: @"[%@.%03d %@(%d)] %@\n", dateString,
				date.microsecond / 1000, me, getpid(), msg];

	objc_autoreleasePoolPop(pool);
}