ObjFW  Check-in [c01ed004b0]

AC_CHECK_FUNC(objc_autoreleasePoolPush, [], [
	AC_SUBST(AUTORELEASE_M, "autorelease.m")
])

AC_CHECK_FUNC(objc_enumerationMutation, [
	AC_DEFINE(HAVE_OBJC_ENUMERATIONMUTATION, 1,
		[Whether we have objc_enumerationMutation()])
])

case "$host_os" in
	darwin*)
		AC_SUBST(LDFLAGS_REEXPORT, ["-Wl,-reexport-lobjfw"])
		AS_IF([test x"$objc_runtime" = x"Apple runtime"], [
			AC_SUBST(REEXPORT_LIBOBJC, ["-Wl,-reexport-lobjc"])

			have_asprintf="no"
			AC_SUBST(ASPRINTF_M, "asprintf.m")
			ac_cv_snprintf_useful_ret="yes"
			;;
		*)
			have_asprintf="yes"
			AC_DEFINE(OF_HAVE_ASPRINTF, 1,
				[Whether we have asprintf()])
			AC_SUBST(ASPRINTF_DEF, "-DOF_HAVE_ASPRINTF")
		;;
	esac
], [
	have_asprintf="no"
	AC_SUBST(ASPRINTF_M, "asprintf.m")

			AC_CHECK_FUNC(pthread_spin_lock, [
				AC_DEFINE(OF_HAVE_PTHREAD_SPINLOCKS, 1,
					[Whether we have pthread spinlocks])
			])

			AC_CHECK_FUNC(sched_yield, [
				AC_DEFINE(OF_HAVE_SCHED_YIELD, 1,
					[Whether we have sched_yield()])
			])
		], [
			AC_MSG_ERROR(No supported threads found!)
		])
		;;
	esac

AS_IF([test x"$atomic_ops" != x"none"], [
	AC_DEFINE(OF_HAVE_ATOMIC_OPS, 1, [Whether we have atomic operations])
	AC_SUBST(ATOMIC_H, "atomic.h")
])
AC_MSG_RESULT($atomic_ops)

AC_CHECK_FUNCS([gmtime_r localtime_r nanosleep])

AC_CHECK_HEADERS([pwd.h grp.h])
AC_CHECK_FUNC(chmod, [
	AC_DEFINE(OF_HAVE_CHMOD, 1, [Whether we have chmod()])
])
AC_CHECK_FUNC(chown, [
	AC_DEFINE(OF_HAVE_CHOWN, 1, [Whether we have chown()])
])
AC_CHECK_FUNC(link, [
	AC_DEFINE(OF_HAVE_LINK, 1, [Whether we have link()])
])
AC_CHECK_FUNC(symlink, [
	AC_DEFINE(OF_HAVE_SYMLINK, 1, [Whether we have symlink()])
])

AC_ARG_ENABLE(sockets,
	AS_HELP_STRING([--disable-sockets], [disable socket support]))
AS_IF([test x"$enable_sockets" != x"no"], [
	AC_DEFINE(OF_HAVE_SOCKETS, 1, [Whether we have sockets])
	AC_SUBST(USE_SRCS_SOCKETS, '${SRCS_SOCKETS}')

		# include <ws2tcpip.h>
		#endif
	], [
		struct addrinfo ai;
		getaddrinfo(NULL, NULL, NULL, NULL);
	], [
		AC_MSG_RESULT(yes)
		AC_DEFINE(HAVE_GETADDRINFO, 1, [Whether we have getaddrinfo()])

		AS_IF([test x"$enable_threads" != x"no"], [
			AC_MSG_CHECKING(whether getaddrinfo is thread-safe)

			case "$host_os" in
				darwin[[12345]].*)
					have_threadsafe_getaddrinfo="no"

/*!
 * @brief Returns the date of the last modification of the file.
 *
 * @return The date of the last modification of the file
 */
+ (OFDate*)modificationDateOfFileAtPath: (OFString*)path;

#ifdef OF_HAVE_CHMOD
/*!
 * @brief Changes the mode of a file.
 *
 * Only changes read-only flag on Windows.
 *
 * @param path The path to the file of which the mode should be changed as a
 *	       string
 * @param mode The new mode for the file
 */
+ (void)changeModeOfFileAtPath: (OFString*)path
			  mode: (mode_t)mode;
#endif

#ifdef OF_HAVE_CHOWN
/*!
 * @brief Changes the owner of a file.
 *
 * Not available on Windows.
 *
 * @param path The path to the file of which the owner should be changed as a
 *	       string

/*!
 * @brief Deletes an empty directory.
 *
 * @param path The path to the directory which should be deleted as a string
 */
+ (void)deleteDirectoryAtPath: (OFString*)path;

#ifdef OF_HAVE_LINK
/*!
 * @brief Creates a hard link for a file.
 *
 * Not available on Windows.
 *
 * @param source The path to the file of which should be linked as a string
 * @param destination The path to where the file should be linked as a string
 */
+ (void)linkFileAtPath: (OFString*)source
		toPath: (OFString*)destination;
#endif

#ifdef OF_HAVE_SYMLINK
/*!
 * @brief Creates a symbolink link for a file.
 *
 * Not available on Windows.
 *
 * @param source The path to the file of which should be symlinked as a string
 * @param destination The path to where the file should be symlinked as a string

#include <unistd.h>

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <dirent.h>

#ifdef HAVE_PWD_H
# include <pwd.h>
#endif
#ifdef HAVE_GRP_H
# include <grp.h>
#endif

#import "OFFile.h"
#import "OFString.h"
#import "OFArray.h"
#ifdef OF_HAVE_THREADS

#define DEFAULT_MODE S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH
#define DIR_MODE DEFAULT_MODE | S_IXUSR | S_IXGRP | S_IXOTH

OFStream *of_stdin = nil;
OFStream *of_stdout = nil;
OFStream *of_stderr = nil;

#if defined(OF_HAVE_CHOWN) && defined(OF_HAVE_THREADS)
static of_mutex_t mutex;
#endif

static int parse_mode(const char *mode)
{
	if (!strcmp(mode, "r"))
		return O_RDONLY;

	objc_autoreleasePoolPop(pool);
}

@interface OFFileSingleton: OFFile
@end

@implementation OFFile
#if defined(OF_HAVE_CHOWN) && defined(OF_HAVE_THREADS)
+ (void)initialize
{
	if (self != [OFFile class])
		return;

	if (!of_mutex_new(&mutex))
		@throw [OFInitializationFailedException

	if (_wchdir([path UTF16String]))
#endif
		@throw [OFChangeDirectoryFailedException
		    exceptionWithClass: self
				  path: path];
}

#ifdef OF_HAVE_CHMOD
+ (void)changeModeOfFileAtPath: (OFString*)path
			  mode: (mode_t)mode
{
# ifndef _WIN32
	if (chmod([path cStringWithEncoding: OF_STRING_ENCODING_NATIVE], mode))
# else
	if (_wchmod([path UTF16String], mode))

								path: path
								mode: @"r"];

	/* FIXME: We could be more precise on some OSes */
	return [OFDate dateWithTimeIntervalSince1970: s.st_mtime];
}

#ifdef OF_HAVE_CHOWN
+ (void)changeOwnerOfFileAtPath: (OFString*)path
			  owner: (OFString*)owner
			  group: (OFString*)group
{
	uid_t uid = -1;
	gid_t gid = -1;

			length = [sourceFile readIntoBuffer: buffer
						     length: pageSize];
			[destinationFile writeBuffer: buffer
					      length: length];
		}

#ifdef OF_HAVE_CHMOD
		if (!override) {
			struct stat s;

			if (fstat(sourceFile->_fd, &s) == 0)
				fchmod(destinationFile->_fd, s.st_mode);
		}
#else

	if (_wrmdir([path UTF16String]))
#endif
		@throw [OFDeleteDirectoryFailedException
		    exceptionWithClass: self
				  path: path];
}

#ifdef OF_HAVE_LINK
+ (void)linkFileAtPath: (OFString*)source
		toPath: (OFString*)destination
{
	void *pool = objc_autoreleasePoolPush();

	if ([self directoryExistsAtPath: destination]) {
		OFString *filename = [source lastPathComponent];

						      sourcePath: source
						 destinationPath: destination];

	objc_autoreleasePoolPop(pool);
}
#endif

#ifdef OF_HAVE_SYMLINK
+ (void)symlinkFileAtPath: (OFString*)source
		   toPath: (OFString*)destination
{
	void *pool = objc_autoreleasePoolPush();

	if ([self directoryExistsAtPath: destination]) {
		OFString *filename = [source lastPathComponent];

 * file.
 */

#include "config.h"

#define OF_THREAD_M

#define _POSIX_TIMERS
#define __NO_EXT_QNX

#include <stdlib.h>
#include <math.h>
#include <time.h>

#ifndef _WIN32

#undef OF_APPLE_RUNTIME
#undef OF_BIG_ENDIAN
#undef OF_FLOAT_BIG_ENDIAN
#undef OF_HAVE_ASPRINTF
#undef OF_HAVE_ATOMIC_OPS
#undef OF_HAVE_CHMOD
#undef OF_HAVE_CHOWN
#undef OF_HAVE_COMPILER_TLS
#undef OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR
#undef OF_HAVE_GCC_ATOMIC_OPS
#undef OF_HAVE_LINK
#undef OF_HAVE_OSATOMIC
#undef OF_HAVE_OSATOMIC_64
#undef OF_HAVE_PTHREADS
#undef OF_HAVE_PLUGINS
#undef OF_HAVE_PROCESSES
#undef OF_HAVE_PTHREAD_SPINLOCKS
#undef OF_HAVE_RECURSIVE_PTHREAD_MUTEXES
#undef OF_HAVE_SCHED_YIELD
#undef OF_HAVE_SOCKETS
#undef OF_HAVE_SYMLINK
#undef OF_HAVE_THREADS
#undef OF_OBJFW_RUNTIME
#undef SIZE_MAX