ObjFW  Changes On Branch d559a8b0a38c6b18

AC_INIT(ObjFW, 0.8-dev, js@webkeks.org)
AC_INIT(ObjFW, 0.8, js@webkeks.org)
BUILDSYS_INIT

AS_IF([test configure.ac -nt configure], [
	AC_MSG_ERROR([configure.ac is newer than configure! Run ./autogen.sh!])
])

AC_CONFIG_SRCDIR(src)

])
test x"$have_asprintf" != x"yes" -a x"$ac_cv_snprintf_useful_ret" != x"yes" && \
	AC_MSG_ERROR(No asprintf and no snprintf returning required space!)

AC_CHECK_FUNCS([arc4random random], break)

AC_CHECK_LIB(dl, dlopen, LIBS="$LIBS -ldl")
AC_CHECK_HEADERS(dlfcn.h)
AC_CHECK_HEADERS_ONCE(dlfcn.h)
case "$host_os" in
	netbsd*)
		dnl dladdr exists on NetBSD, but it is completely broken.
		dnl When using it with code that uses __thread, it freezes the
		dnl process so that it has to be killed using SIGKILL.
		dnl When disabling __thread, it doesn't freeze, but all symbols
		dnl are wrong.

	AC_DEFINE(OF_HAVE_THREADS, 1, [Whether we have threads])
	AC_SUBST(USE_SRCS_THREADS, '${SRCS_THREADS}')

	AC_ARG_ENABLE(compiler-tls,
		AS_HELP_STRING([--disable-compiler-tls],
			[disable compiler thread local storage]))
	AS_IF([test x"$enable_compiler_tls" != x"no"], [
		AC_CHECK_HEADERS(threads.h, [
		AC_CHECK_HEADER(threads.h, [
			AC_DEFINE(OF_HAVE_THREADS_H, 1,
				[Whether we have threads.h])
		])

		AC_MSG_CHECKING(whether _Thread_local works)
		AC_TRY_LINK([
			static _Thread_local int x = 0;

	AC_CHECK_LIB(network, socket, LIBS="$LIBS -lnetwork")
	AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32")

	AC_CHECK_HEADER(sys/socket.h, [
		AC_DEFINE(OF_HAVE_SYS_SOCKET_H, 1,
			[Whether we have sys/socket.h])
	])
	AC_CHECK_HEADERS(netinet/in.h, [
	AC_CHECK_HEADER(netinet/in.h, [
		AC_DEFINE(OF_HAVE_NETINET_IN_H, 1,
			[Whether we have netinet/in.h])
	])
	AC_CHECK_HEADERS(netinet/tcp.h, [
	AC_CHECK_HEADER(netinet/tcp.h, [
		AC_DEFINE(OF_HAVE_NETINET_TCP_H, 1,
			[Whether we have netinet/tcp.h])
	])
	AC_CHECK_HEADERS([arpa/inet.h netdb.h])

	AC_CHECK_FUNCS([paccept accept4])

		;;
esac
AS_IF([test x"$have_processes" = x"yes"], [
	AC_SUBST(OFPROCESS_M, "OFProcess.m")
	AC_DEFINE(OF_HAVE_PROCESSES, 1, [Whether we have processes])
])

AC_CHECK_HEADERS(sys/ioctl.h)
AC_CHECK_HEADERS_ONCE([sys/ioctl.h sys/termios.h])

AS_IF([test x"$objc_runtime" = x"Apple runtime"], [
	AC_CHECK_HEADER(Foundation/NSObject.h, [
		AC_SUBST(FOUNDATION_COMPAT_M, "foundation-compat.m")
		AC_SUBST(BRIDGE, "bridge")

		AS_IF([test x"$enable_shared" != x"no"], [

{
	int flags = flags_ & (OF_BLOCK_FIELD_IS_BLOCK |
	    OF_BLOCK_FIELD_IS_OBJECT | OF_BLOCK_FIELD_IS_BYREF);

	if (src_ == NULL)
		return;

	if (flags_ & OF_BLOCK_BYREF_CALLER)
		return;

	switch (flags) {
	case OF_BLOCK_FIELD_IS_BLOCK:
		*(of_block_literal_t**)dst_ = _Block_copy(src_);
		break;
	case OF_BLOCK_FIELD_IS_OBJECT:
		if (!(flags_ & OF_BLOCK_BYREF_CALLER))
		*(id*)dst_ = [(id)src_ retain];
			*(id*)dst_ = [(id)src_ retain];
		break;
	case OF_BLOCK_FIELD_IS_BYREF:;
		of_block_byref_t *src = (of_block_byref_t*)src_;
		of_block_byref_t **dst = (of_block_byref_t**)dst_;

		if ((src->flags & OF_BLOCK_REFCOUNT_MASK) == 0) {
			if ((*dst = malloc(src->size)) == NULL) {
				alloc_failed_exception.isa =
				    [OFAllocFailedException class];
				@throw (OFAllocFailedException*)
				    &alloc_failed_exception;
			}

			if (src->forwarding == src)
				(*dst)->forwarding = *dst;

			memcpy(*dst, src, src->size);

			if (src->size >= sizeof(of_block_byref_t))
			if (src->flags & OF_BLOCK_HAS_COPY_DISPOSE)
				src->byref_keep(*dst, src);
		} else
			*dst = src;

		(*dst)->flags++;
		break;
	}
}

void
_Block_object_dispose(const void *obj_, const int flags_)
{
	const int flags = flags_ & (OF_BLOCK_FIELD_IS_BLOCK |
	    OF_BLOCK_FIELD_IS_OBJECT | OF_BLOCK_FIELD_IS_BYREF);

	if (obj_ == NULL)
		return;

	if (flags_ & OF_BLOCK_BYREF_CALLER)
		return;

	switch (flags) {
	case OF_BLOCK_FIELD_IS_BLOCK:
		_Block_release(obj_);
		break;
	case OF_BLOCK_FIELD_IS_OBJECT:
		if (!(flags_ & OF_BLOCK_BYREF_CALLER))
		[(id)obj_ release];
			[(id)obj_ release];
		break;
	case OF_BLOCK_FIELD_IS_BYREF:;
		of_block_byref_t *obj = (of_block_byref_t*)obj_;

		if ((--obj->flags & OF_BLOCK_REFCOUNT_MASK) == 0) {
			if (obj->size >= sizeof(of_block_byref_t))
			if (obj->flags & OF_BLOCK_HAS_COPY_DISPOSE)
				obj->byref_dispose(obj);

			free(obj);
		}
		break;
	}
}

 * @param path The new directory to change to
 */
+ (void)changeCurrentDirectoryPath: (OFString*)path;

/*!
 * @brief Returns the size of the specified file.
 *
 * @param path The path to the file whose path should be returned
 *
 * @return The size of the specified file
 */
+ (of_offset_t)sizeOfFileAtPath: (OFString*)path;

/*!
 * @brief Returns the last access time of the specified file.
 * @brief Returns the last access time of the specified item.
 *
 * @param path The path to the file whose last access time should be returned
 *
 * @return The last access time of the specified file
 * @return The last access time of the specified item
 */
+ (OFDate*)accessTimeOfItemAtPath: (OFString*)path;

/*!
 * @brief Returns the last modification time of the specified file.
 * @brief Returns the last modification time of the specified item.
 *
 * @param path The path to the file whose last modification time should be
 *	       returned
 *
 * @return The last modification time of the specified file
 * @return The last modification time of the specified item
 */
+ (OFDate*)modificationTimeOfItemAtPath: (OFString*)path;

/*!
 * @brief Returns the last status change time of the specified file.
 * @brief Returns the last status change time of the specified item.
 *
 * @param path The path to the file whose last status change time should be
 *	       returned
 *
 * @return The last status change time of the specified file
 * @return The last status change time of the specified item
 */
+ (OFDate*)statusChangeTimeOfItemAtPath: (OFString*)path;

#ifdef OF_HAVE_CHMOD
/*!
 * @brief Changes the permissions of an item.
 *

+ (void)createSymbolicLinkAtPath: (OFString*)destination
	     withDestinationPath: (OFString*)source;

/*!
 * @brief Returns the destination of the symbolic link at the specified path.
 *
 * @param path The path to the symbolic link
 *
 * @return The destination of the symbolic link at the specified path
 */
+ (OFString*)destinationOfSymbolicLinkAtPath: (OFString*)path;
#endif

/*!
 * @brief Initializes an already allocated OFFile.

# define S_IWOTH 0
#endif

#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

#if defined(OF_HAVE_CHOWN) && defined(OF_HAVE_THREADS)
static of_mutex_t mutex;
static of_mutex_t chownMutex;
#endif
#if !defined(HAVE_READDIR_R) && !defined(_WIN32) && defined(OF_HAVE_THREADS)
static of_mutex_t mutex;
static of_mutex_t readdirMutex;
#endif

int
of_stat(OFString *path, of_stat_t *buffer)
{
#if defined(_WIN32)
	return _wstat64([path UTF16String], buffer);

@implementation OFFile
+ (void)initialize
{
	if (self != [OFFile class])
		return;

#if defined(OF_HAVE_CHOWN) && defined(OF_HAVE_THREADS)
	if (!of_mutex_new(&mutex))
	if (!of_mutex_new(&chownMutex))
		@throw [OFInitializationFailedException
		    exceptionWithClass: self];
#endif

#if !defined(HAVE_READDIR_R) && !defined(_WIN32) && defined(OF_HAVE_THREADS)
	if (!of_mutex_new(&mutex))
	if (!of_mutex_new(&readdirMutex))
		@throw [OFInitializationFailedException
		    exceptionWithClass: self];
#endif

#ifdef __wii__
	if (!fatInitDefault())
		@throw [OFInitializationFailedException

	encoding = [OFSystemInfo native8BitEncoding];

	if ((dir = opendir([path cStringWithEncoding: encoding])) == NULL)
		@throw [OFOpenItemFailedException exceptionWithPath: path
							      errNo: errno];

# if !defined(HAVE_READDIR_R) && defined(OF_HAVE_THREADS)
	if (!of_mutex_lock(&mutex))
	if (!of_mutex_lock(&readdirMutex))
		@throw [OFLockFailedException exception];
# endif

	@try {
		for (;;) {
			struct dirent *dirent;
# ifdef HAVE_READDIR_R

			[files addObject: file];

			objc_autoreleasePoolPop(pool);
		}
	} @finally {
		closedir(dir);
# if !defined(HAVE_READDIR_R) && defined(OF_HAVE_THREADS)
		if (!of_mutex_unlock(&mutex))
		if (!of_mutex_unlock(&readdirMutex))
			@throw [OFUnlockFailedException exception];
# endif
	}
#else
	void *pool = objc_autoreleasePoolPush();
	HANDLE handle;
	WIN32_FIND_DATAW fd;

	if (path == nil || (owner == nil && group == nil))
		@throw [OFInvalidArgumentException exception];

	encoding = [OFSystemInfo native8BitEncoding];

# ifdef OF_HAVE_THREADS
	if (!of_mutex_lock(&mutex))
	if (!of_mutex_lock(&chownMutex))
		@throw [OFLockFailedException exception];

	@try {
# endif
		if (owner != nil) {
			struct passwd *passwd;

						group: group
						errNo: errno];

			gid = group_->gr_gid;
		}
# ifdef OF_HAVE_THREADS
	} @finally {
		if (!of_mutex_unlock(&mutex))
		if (!of_mutex_unlock(&chownMutex))
			@throw [OFUnlockFailedException exception];
	}
# endif

	if (chown([path cStringWithEncoding: encoding], uid, gid) != 0)
		@throw [OFChangeOwnerFailedException exceptionWithPath: path
								 owner: owner

 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include <math.h>

#include <unistd.h>

#ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
#ifdef HAVE_SYS_TERMIOS_H
# include <sys/termios.h>
#endif

#import "OFDate.h"
#import "OFStdIOStream.h"
#import "OFTimer.h"

#import "ProgressBar.h"