ObjFW  Check-in [f3c452dfef]

		4B2B3E7E140D430500EC2F7C /* OFArray_adjacent.m in Sources */ = {isa = PBXBuildFile; fileRef = 4B2B3E74140D430500EC2F7C /* OFArray_adjacent.m */; };
		4B2B3E7F140D430500EC2F7C /* OFDictionary_hashtable.h in Headers */ = {isa = PBXBuildFile; fileRef = 4B2B3E75140D430500EC2F7C /* OFDictionary_hashtable.h */; settings = {ATTRIBUTES = (); }; };
		4B2B3E80140D430500EC2F7C /* OFDictionary_hashtable.m in Sources */ = {isa = PBXBuildFile; fileRef = 4B2B3E76140D430500EC2F7C /* OFDictionary_hashtable.m */; };
		4B2B3E81140D430500EC2F7C /* OFMutableArray_adjacent.h in Headers */ = {isa = PBXBuildFile; fileRef = 4B2B3E77140D430500EC2F7C /* OFMutableArray_adjacent.h */; settings = {ATTRIBUTES = (); }; };
		4B2B3E82140D430500EC2F7C /* OFMutableArray_adjacent.m in Sources */ = {isa = PBXBuildFile; fileRef = 4B2B3E78140D430500EC2F7C /* OFMutableArray_adjacent.m */; };
		4B2B3E83140D430500EC2F7C /* OFMutableDictionary_hashtable.h in Headers */ = {isa = PBXBuildFile; fileRef = 4B2B3E79140D430500EC2F7C /* OFMutableDictionary_hashtable.h */; settings = {ATTRIBUTES = (); }; };
		4B2B3E84140D430500EC2F7C /* OFMutableDictionary_hashtable.m in Sources */ = {isa = PBXBuildFile; fileRef = 4B2B3E7A140D430500EC2F7C /* OFMutableDictionary_hashtable.m */; };
		4B2C728B1B888B8300717583 /* OFFileManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 4B2C72891B888B6900717583 /* OFFileManager.m */; };
		4B2C728C1B888B8700717583 /* OFFileManager.h in Headers */ = {isa = PBXBuildFile; fileRef = 4B2C72881B888B6900717583 /* OFFileManager.h */; settings = {ATTRIBUTES = (Public, ); }; };
		4B325EDD1605F3A0007836CA /* OFRunLoop.h in Headers */ = {isa = PBXBuildFile; fileRef = 4B325ED91605F3A0007836CA /* OFRunLoop.h */; settings = {ATTRIBUTES = (Public, ); }; };
		4B325EDE1605F3A0007836CA /* OFRunLoop.m in Sources */ = {isa = PBXBuildFile; fileRef = 4B325EDA1605F3A0007836CA /* OFRunLoop.m */; };
		4B325EDF1605F3A0007836CA /* OFTimer.h in Headers */ = {isa = PBXBuildFile; fileRef = 4B325EDB1605F3A0007836CA /* OFTimer.h */; settings = {ATTRIBUTES = (Public, ); }; };
		4B325EE01605F3A0007836CA /* OFTimer.m in Sources */ = {isa = PBXBuildFile; fileRef = 4B325EDC1605F3A0007836CA /* OFTimer.m */; };
		4B3379CF1979326A0088E97E /* threading.m in Sources */ = {isa = PBXBuildFile; fileRef = 4B3379CE1979326A0088E97E /* threading.m */; };
		4B35C64E1ADAD30A003DB666 /* OFObserveFailedException.h in Headers */ = {isa = PBXBuildFile; fileRef = 4B35C64C1ADAD30A003DB666 /* OFObserveFailedException.h */; settings = {ATTRIBUTES = (Public, ); }; };
		4B35C64F1ADAD30A003DB666 /* OFObserveFailedException.m in Sources */ = {isa = PBXBuildFile; fileRef = 4B35C64D1ADAD30A003DB666 /* OFObserveFailedException.m */; };

		4B2B3E74140D430500EC2F7C /* OFArray_adjacent.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = OFArray_adjacent.m; path = src/OFArray_adjacent.m; sourceTree = "<group>"; };
		4B2B3E75140D430500EC2F7C /* OFDictionary_hashtable.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = OFDictionary_hashtable.h; path = src/OFDictionary_hashtable.h; sourceTree = "<group>"; };
		4B2B3E76140D430500EC2F7C /* OFDictionary_hashtable.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = OFDictionary_hashtable.m; path = src/OFDictionary_hashtable.m; sourceTree = "<group>"; };
		4B2B3E77140D430500EC2F7C /* OFMutableArray_adjacent.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = OFMutableArray_adjacent.h; path = src/OFMutableArray_adjacent.h; sourceTree = "<group>"; };
		4B2B3E78140D430500EC2F7C /* OFMutableArray_adjacent.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = OFMutableArray_adjacent.m; path = src/OFMutableArray_adjacent.m; sourceTree = "<group>"; };
		4B2B3E79140D430500EC2F7C /* OFMutableDictionary_hashtable.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = OFMutableDictionary_hashtable.h; path = src/OFMutableDictionary_hashtable.h; sourceTree = "<group>"; };
		4B2B3E7A140D430500EC2F7C /* OFMutableDictionary_hashtable.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = OFMutableDictionary_hashtable.m; path = src/OFMutableDictionary_hashtable.m; sourceTree = "<group>"; };
		4B2C72881B888B6900717583 /* OFFileManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = OFFileManager.h; path = src/OFFileManager.h; sourceTree = "<group>"; };
		4B2C72891B888B6900717583 /* OFFileManager.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = OFFileManager.m; path = src/OFFileManager.m; sourceTree = "<group>"; };
		4B325ED91605F3A0007836CA /* OFRunLoop.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = OFRunLoop.h; path = src/OFRunLoop.h; sourceTree = "<group>"; };
		4B325EDA1605F3A0007836CA /* OFRunLoop.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = OFRunLoop.m; path = src/OFRunLoop.m; sourceTree = "<group>"; };
		4B325EDB1605F3A0007836CA /* OFTimer.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = OFTimer.h; path = src/OFTimer.h; sourceTree = "<group>"; };
		4B325EDC1605F3A0007836CA /* OFTimer.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = OFTimer.m; path = src/OFTimer.m; sourceTree = "<group>"; };
		4B3379CE1979326A0088E97E /* threading.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = threading.m; path = src/threading.m; sourceTree = "<group>"; };
		4B35C64C1ADAD30A003DB666 /* OFObserveFailedException.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = OFObserveFailedException.h; path = src/exceptions/OFObserveFailedException.h; sourceTree = "<group>"; };
		4B35C64D1ADAD30A003DB666 /* OFObserveFailedException.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = OFObserveFailedException.m; path = src/exceptions/OFObserveFailedException.m; sourceTree = "<group>"; };

				4B6799631099E7C50041064A /* OFDictionary.m */,
				4B2B3E75140D430500EC2F7C /* OFDictionary_hashtable.h */,
				4B2B3E76140D430500EC2F7C /* OFDictionary_hashtable.m */,
				4B0108C910EB8C9300631877 /* OFEnumerator.h */,
				4B0108CA10EB8C9300631877 /* OFEnumerator.m */,
				4B6799661099E7C50041064A /* OFFile.h */,
				4B6799671099E7C50041064A /* OFFile.m */,
				4B2C72881B888B6900717583 /* OFFileManager.h */,
				4B2C72891B888B6900717583 /* OFFileManager.m */,
				4BF1BCC011C9663F0025511F /* OFHash.h */,
				4BB4B53F16775FF4002A2DCE /* OFHTTPClient.h */,
				4BB4B54016775FF4002A2DCE /* OFHTTPClient.m */,
				4B99250F12E0780000215DBE /* OFHTTPRequest.h */,
				4B99251012E0780000215DBE /* OFHTTPRequest.m */,
				4B7161AB17A6FC7600B74970 /* OFHTTPResponse.h */,
				4B7161AC17A6FC7600B74970 /* OFHTTPResponse.m */,

				4B3D23C31337FC8300DD29B8 /* OFDataArray+Hashing.h in Headers */,
				4B879A8C177231F000EBCEA4 /* OFDataArray+MessagePackValue.h in Headers */,
				4B3D23C41337FC8300DD29B8 /* OFDate.h in Headers */,
				4B3D23C51337FCB000DD29B8 /* OFDictionary.h in Headers */,
				4B3D23C61337FCB000DD29B8 /* OFEnumerator.h in Headers */,
				4B17FF74133A2AAB003E6DCD /* OFException.h in Headers */,
				4B3D23C81337FCB000DD29B8 /* OFFile.h in Headers */,
				4B2C728C1B888B8700717583 /* OFFileManager.h in Headers */,
				4B3D23C91337FCB000DD29B8 /* OFHash.h in Headers */,
				4BB4B54416775FF4002A2DCE /* OFHTTPClient.h in Headers */,
				4B3D23CA1337FCB000DD29B8 /* OFHTTPRequest.h in Headers */,
				4B7161AD17A6FC7600B74970 /* OFHTTPResponse.h in Headers */,
				4BB4B54616775FF4002A2DCE /* OFHTTPServer.h in Headers */,
				4B70A9921B07DEBF00CC5593 /* OFInflate64Stream.h in Headers */,
				4B70A9931B07DEBF00CC5593 /* OFInflateStream.h in Headers */,

				4B3D23911337FC0D00DD29B8 /* OFDataArray+Hashing.m in Sources */,
				4B879A8D177231F000EBCEA4 /* OFDataArray+MessagePackValue.m in Sources */,
				4B3D23921337FC0D00DD29B8 /* OFDate.m in Sources */,
				4B3D23931337FC0D00DD29B8 /* OFDictionary.m in Sources */,
				4B2B3E80140D430500EC2F7C /* OFDictionary_hashtable.m in Sources */,
				4B3D23941337FC0D00DD29B8 /* OFEnumerator.m in Sources */,
				4B3D23961337FC0D00DD29B8 /* OFFile.m in Sources */,
				4B2C728B1B888B8300717583 /* OFFileManager.m in Sources */,
				4BB4B54516775FF4002A2DCE /* OFHTTPClient.m in Sources */,
				4B3D23981337FC0D00DD29B8 /* OFHTTPRequest.m in Sources */,
				4B7161AE17A6FC7600B74970 /* OFHTTPResponse.m in Sources */,
				4BB4B54716775FF4002A2DCE /* OFHTTPServer.m in Sources */,
				4B70A9961B07DF9700CC5593 /* OFInflate64Stream.m in Sources */,
				4B70A9971B07DF9700CC5593 /* OFInflateStream.m in Sources */,
				4B06855418B2AD3800FC731A /* OFINICategory.m in Sources */,

       of_strptime.m			\
       unicode.m			\
       ${USE_SRCS_FILES}		\
       ${USE_SRCS_PLUGINS}		\
       ${USE_SRCS_SOCKETS}		\
       ${USE_SRCS_THREADS}
SRCS_FILES = OFFile.m			\
	     OFFileManager.m		\
	     OFINICategory.m		\
	     OFINIFile.m		\
	     OFSettings.m		\
	     OFZIPArchive.m		\
	     OFZIPArchiveEntry.m
SRCS_PLUGINS = OFPlugin.m
SRCS_SOCKETS = OFHTTPClient.m		\

#include <string.h>
#include <limits.h>

#import "OFDataArray.h"
#import "OFString.h"
#ifdef OF_HAVE_FILES
# import "OFFile.h"
# import "OFFileManager.h"
#endif
#import "OFURL.h"
#ifdef OF_HAVE_SOCKETS
# import "OFHTTPClient.h"
# import "OFHTTPRequest.h"
# import "OFHTTPResponse.h"
#endif

#ifdef OF_HAVE_FILES
- initWithContentsOfFile: (OFString*)path
{
	@try {
		OFFile *file = [[OFFile alloc] initWithPath: path
						       mode: @"rb"];
		of_offset_t size = [[OFFileManager defaultManager]
		of_offset_t size = [OFFile sizeOfFileAtPath: path];
		    sizeOfFileAtPath: path];

		if (size > SIZE_MAX)
			@throw [OFOutOfRangeException exception];

		self = [self initWithItemSize: 1
				     capacity: (size_t)size];

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

#import "OFSeekableStream.h"

OF_ASSUME_NONNULL_BEGIN

@class OFArray OF_GENERIC(ObjectType);
@class OFDate;

#if defined(_WIN32)
typedef struct __stat64 of_stat_t;
#elif defined(OF_HAVE_OFF64_T)
typedef struct stat64 of_stat_t;
#else
typedef struct stat of_stat_t;
#endif

/*!
 * @class OFFile OFFile.h ObjFW/OFFile.h
 *
 * @brief A class which provides functions to read, write and manipulate files.
 * @brief A class which provides functions to read and write files.
 */
@interface OFFile: OFSeekableStream
{
	int  _fd;
	bool _atEndOfStream;
}

 *
 * @param fd A file descriptor, returned from for example open().
 *	     It is not closed when the OFFile object is deallocated!
 * @return A new autoreleased OFFile
 */
+ (instancetype)fileWithFileDescriptor: (int)fd;

/*!
 * @brief Returns the path fo the current working directory.
 *
 * @return The path of the current working directory
 */
+ (OFString*)currentDirectoryPath;

/*!
 * @brief Checks whether a file exists at the specified path.
 *
 * @param path The path to check
 * @return A boolean whether there is a file at the specified path
 */
+ (bool)fileExistsAtPath: (OFString*)path;

/*!
 * @brief Checks whether a directory exists at the specified path.
 *
 * @param path The path to check
 * @return A boolean whether there is a directory at the specified path
 */
+ (bool)directoryExistsAtPath: (OFString*)path;

#ifdef OF_HAVE_SYMLINK
/*!
 * @brief Checks whether a symbolic link exists at the specified path.
 *
 * @param path The path to check
 * @return A boolean whether there is a symbolic link at the specified path
 */
+ (bool)symbolicLinkExistsAtPath: (OFString*)path;
#endif

/*!
 * @brief Creates a directory at the specified path.
 *
 * @param path The path of the directory
 */
+ (void)createDirectoryAtPath: (OFString*)path;

/*!
 * @brief Creates a directory at the specified path.
 *
 * @param path The path of the directory
 * @param createParents Whether to create the parents of the directory
 */
+ (void)createDirectoryAtPath: (OFString*)path
		createParents: (bool)createParents;

/*!
 * @brief Returns an array with the items in the specified directory.
 *
 * @note `.` and `..` are not part of the returned array.
 *
 * @param path The path to the directory whose items should be returned
 * @return An array of OFStrings with the items in the specified directory
 */
+ (OFArray OF_GENERIC(OFString*)*)contentsOfDirectoryAtPath: (OFString*)path;

/*!
 * @brief Changes the current working directory.
 *
 * @param path The new directory to change to
 */
+ (void)changeCurrentDirectoryPath: (OFString*)path;

/*!
 * @brief Returns the size of the specified file.
 *
 * @return The size of the specified file
 */
+ (of_offset_t)sizeOfFileAtPath: (OFString*)path;

/*!
 * @brief Returns the last access time of the specified file.
 *
 * @return The last access time of the specified file
 */
+ (OFDate*)accessTimeOfItemAtPath: (OFString*)path;

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

/*!
 * @brief Returns the last status change time of the specified file.
 *
 * @return The last status change time of the specified file
 */
+ (OFDate*)statusChangeTimeOfItemAtPath: (OFString*)path;

#ifdef OF_HAVE_CHMOD
/*!
 * @brief Changes the permissions of an item.
 *
 * This method only changes the read-only flag on Windows.
 *
 * @param path The path to the item whose permissions should be changed
 * @param permissions The new permissions for the item
 */
+ (void)changePermissionsOfItemAtPath: (OFString*)path
			  permissions: (mode_t)permissions;
#endif

#ifdef OF_HAVE_CHOWN
/*!
 * @brief Changes the owner of an item.
 *
 * This method is not available on some systems, most notably Windows.
 *
 * @param path The path to the item whose owner should be changed
 * @param owner The new owner for the item
 * @param group The new group for the item
 */
+ (void)changeOwnerOfItemAtPath: (OFString*)path
			  owner: (OFString*)owner
			  group: (OFString*)group;
#endif

/*!
 * @brief Copies a file, directory or symlink (if supported by the OS).
 *
 * The destination path must be a full path, which means it must include the
 * name of the item.
 *
 * If an item already exists, the copy operation fails. This is also the case
 * if a directory is copied and an item already exists in the destination
 * directory.
 *
 * @param source The file, directory or symlink to copy
 * @param destination The destination path
 */
+ (void)copyItemAtPath: (OFString*)source
		toPath: (OFString*)destination;

/*!
 * @brief Moves an item.
 *
 * The destination path must be a full path, which means it must include the
 * name of the item.
 *
 * If the destination is on a different logical device, the source will be
 * copied to the destination using @ref copyItemAtPath:toPath: and the source
 * removed using @ref removeItemAtPath:.
 *
 * @param source The item to rename
 * @param destination The new name for the item
 */
+ (void)moveItemAtPath: (OFString*)source
		toPath: (OFString*)destination;

/*!
 * @brief Removes the item at the specified path.
 *
 * If the item at the specified path is a directory, it is removed recursively.
 *
 * @param path The path to the item which should be removed
 */
+ (void)removeItemAtPath: (OFString*)path;

#ifdef OF_HAVE_LINK
/*!
 * @brief Creates a hard link for the specified item.
 *
 * The destination path must be a full path, which means it must include the
 * name of the item.
 *
 * This method is not available on some systems, most notably Windows.
 *
 * @param source The path of the item for which a link should be created
 * @param destination The path of the item which should link to the source
 */
+ (void)linkItemAtPath: (OFString*)source
		toPath: (OFString*)destination;
#endif

#ifdef OF_HAVE_SYMLINK
/*!
 * @brief Creates a symbolic link for an item.
 *
 * The destination path must be a full path, which means it must include the
 * name of the item.
 *
 * This method is not available on some systems, most notably Windows.
 *
 * @param destination The path of the item which should symbolically link to the
 *		      source
 * @param source The path of the item for which a symbolic link should be
 *		 created
 */
+ (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.
 *
 * @param path The path to the file to open as a string
 * @param mode The mode in which the file should be opened.@n
 *	       Possible modes are:
 *	       Mode           | Description

 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#define __NO_EXT_QNX

#include "config.h"

/* Work around a bug with Clang + glibc */
#ifdef __clang__
# define _HAVE_STRING_ARCH_strcmp
#endif

#include <errno.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

/* Work around __block being used by glibc */
#ifdef __GLIBC__
# undef __USE_XOPEN
#endif

#include <unistd.h>
#include <fcntl.h>

#include <dirent.h>
#include <fcntl.h>
#include <unistd.h>

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

#ifdef __wii__
# define BOOL OGC_BOOL
# include <fat.h>
# undef BOOL
#endif

#ifdef OF_NINTENDO_DS
# include <filesystem.h>
#endif

#import "OFFile.h"
#import "OFString.h"
#import "OFArray.h"
#ifdef OF_HAVE_THREADS
# import "threading.h"
#endif
#import "OFDate.h"
#import "OFSystemInfo.h"

#import "OFChangeCurrentDirectoryPathFailedException.h"
#import "OFChangeOwnerFailedException.h"
#import "OFChangePermissionsFailedException.h"
#import "OFCopyItemFailedException.h"
#import "OFCreateDirectoryFailedException.h"
#import "OFCreateSymbolicLinkFailedException.h"
#import "OFInitializationFailedException.h"
#import "OFInvalidArgumentException.h"
#import "OFLinkFailedException.h"
#import "OFLockFailedException.h"
#import "OFMoveItemFailedException.h"
#import "OFOpenItemFailedException.h"
#import "OFOutOfMemoryException.h"
#import "OFOutOfRangeException.h"
#import "OFReadFailedException.h"
#import "OFRemoveItemFailedException.h"
#import "OFStatItemFailedException.h"
#import "OFSeekFailedException.h"
#import "OFUnlockFailedException.h"
#import "OFWriteFailedException.h"

#ifdef _WIN32
# include <windows.h>
# include <direct.h>
#endif

#ifndef O_BINARY
# define O_BINARY 0
#endif
#ifndef O_CLOEXEC
# define O_CLOEXEC 0

# define S_IWGRP 0
#endif
#ifndef S_IWOTH
# 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;
#endif
#if !defined(HAVE_READDIR_R) && !defined(_WIN32) && defined(OF_HAVE_THREADS)
static of_mutex_t mutex;
#endif

int
of_stat(OFString *path, of_stat_t *buffer)
{
#if defined(_WIN32)
	return _wstat64([path UTF16String], buffer);
#elif defined(OF_HAVE_OFF64_T)
	return stat64([path cStringWithEncoding:
	    [OFSystemInfo native8BitEncoding]], buffer);
#else
	return stat([path cStringWithEncoding:
	    [OFSystemInfo native8BitEncoding]], buffer);
#endif
}

int
of_lstat(OFString *path, of_stat_t *buffer)
{
#if defined(_WIN32)
	return _wstat64([path UTF16String], buffer);
#elif defined(HAVE_LSTAT)
# ifdef OF_HAVE_OFF64_T
	return lstat64([path cStringWithEncoding:
	    [OFSystemInfo native8BitEncoding]], buffer);
# else
	return lstat([path cStringWithEncoding:
	    [OFSystemInfo native8BitEncoding]], buffer);
# endif
#else
# ifdef OF_HAVE_OFF64_T
	return stat64([path cStringWithEncoding:
	    [OFSystemInfo native8BitEncoding]], buffer);
# else
	return stat([path cStringWithEncoding:
	    [OFSystemInfo native8BitEncoding]], buffer);
# endif
#endif
}

static int
parseMode(const char *mode)
{
	if (strcmp(mode, "r") == 0)
		return O_RDONLY;
	if (strcmp(mode, "w") == 0)

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

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

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

#ifdef __wii__
	if (!fatInitDefault())
		@throw [OFInitializationFailedException
		    exceptionWithClass: self];
#endif

#ifdef OF_NINTENDO_DS

+ (instancetype)fileWithFileDescriptor: (int)filedescriptor
{
	return [[[self alloc]
	    initWithFileDescriptor: filedescriptor] autorelease];
}

+ (OFString*)currentDirectoryPath
{
	OFString *ret;
#ifndef _WIN32
	char *buffer = getcwd(NULL, 0);
#else
	wchar_t *buffer = _wgetcwd(NULL, 0);
#endif

	@try {
#ifndef _WIN32
		ret = [OFString
		    stringWithCString: buffer
			     encoding: [OFSystemInfo native8BitEncoding]];
#else
		ret = [OFString stringWithUTF16String: buffer];
#endif
	} @finally {
		free(buffer);
	}

	return ret;
}

+ (bool)fileExistsAtPath: (OFString*)path
{
	of_stat_t s;

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	if (of_stat(path, &s) == -1)
		return false;

	if (S_ISREG(s.st_mode))
		return true;

	return false;
}

+ (bool)directoryExistsAtPath: (OFString*)path
{
	of_stat_t s;

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	if (of_stat(path, &s) == -1)
		return false;

	if (S_ISDIR(s.st_mode))
		return true;

	return false;
}

#ifdef OF_HAVE_SYMLINK
+ (bool)symbolicLinkExistsAtPath: (OFString*)path
{
	of_stat_t s;

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	if (of_lstat(path, &s) == -1)
		return false;

	if (S_ISLNK(s.st_mode))
		return true;

	return false;
}
#endif

+ (void)createDirectoryAtPath: (OFString*)path
{
	if (path == nil)
		@throw [OFInvalidArgumentException exception];

#ifndef _WIN32
	if (mkdir([path cStringWithEncoding: [OFSystemInfo native8BitEncoding]],
	    DIR_MODE) != 0)
#else
	if (_wmkdir([path UTF16String]) != 0)
#endif
		@throw [OFCreateDirectoryFailedException
		    exceptionWithPath: path
				errNo: errno];
}

+ (void)createDirectoryAtPath: (OFString*)path
		createParents: (bool)createParents
{
	void *pool;
	OFArray *pathComponents;
	OFString *currentPath = nil, *component;
	OFEnumerator *enumerator;

	if (!createParents) {
		[OFFile createDirectoryAtPath: path];
		return;
	}

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	pool = objc_autoreleasePoolPush();

	pathComponents = [path pathComponents];
	enumerator = [pathComponents objectEnumerator];
	while ((component = [enumerator nextObject]) != nil) {
		void *pool2 = objc_autoreleasePoolPush();

		if (currentPath != nil)
			currentPath = [currentPath
			    stringByAppendingPathComponent: component];
		else
			currentPath = component;

		if ([currentPath length] > 0 &&
		    ![OFFile directoryExistsAtPath: currentPath])
			[OFFile createDirectoryAtPath: currentPath];

		[currentPath retain];

		objc_autoreleasePoolPop(pool2);

		[currentPath autorelease];
	}

	objc_autoreleasePoolPop(pool);
}

+ (OFArray*)contentsOfDirectoryAtPath: (OFString*)path
{
	OFMutableArray *files;
#ifndef _WIN32
	of_string_encoding_t encoding;
#endif

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	files = [OFMutableArray array];

#ifndef _WIN32
	DIR *dir;

	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))
		@throw [OFLockFailedException exception];
# endif

	@try {
		for (;;) {
			struct dirent *dirent;
# ifdef HAVE_READDIR_R
			struct dirent buffer;
# endif
			void *pool;
			OFString *file;

# ifdef HAVE_READDIR_R
			if (readdir_r(dir, &buffer, &dirent) != 0)
				@throw [OFReadFailedException
				    exceptionWithObject: self
					requestedLength: 0
						  errNo: errno];

			if (dirent == NULL)
				break;
# else
			if ((dirent = readdir(dir)) == NULL) {
				if (errno == 0)
					break;
				else
					@throw [OFReadFailedException
					    exceptionWithObject: self
						requestedLength: 0
							  errNo: errno];
			}
# endif

			if (strcmp(dirent->d_name, ".") == 0 ||
			    strcmp(dirent->d_name, "..") == 0)
				continue;

			pool = objc_autoreleasePoolPush();

			file = [OFString stringWithCString: dirent->d_name
						  encoding: encoding];
			[files addObject: file];

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

	path = [path stringByAppendingString: @"\\*"];

	if ((handle = FindFirstFileW([path UTF16String],
	    &fd)) == INVALID_HANDLE_VALUE) {
		int errNo = 0;

		if (GetLastError() == ERROR_FILE_NOT_FOUND)
			errNo = ENOENT;

		@throw [OFOpenItemFailedException exceptionWithPath: path
							      errNo: errNo];
	}

	@try {
		do {
			void *pool2 = objc_autoreleasePoolPush();
			OFString *file;

			if (!wcscmp(fd.cFileName, L".") ||
			    !wcscmp(fd.cFileName, L".."))
				continue;

			file = [OFString stringWithUTF16String: fd.cFileName];
			[files addObject: file];

			objc_autoreleasePoolPop(pool2);
		} while (FindNextFileW(handle, &fd));

		if (GetLastError() != ERROR_NO_MORE_FILES)
			@throw [OFReadFailedException exceptionWithObject: self
							  requestedLength: 0];
	} @finally {
		FindClose(handle);
	}

	objc_autoreleasePoolPop(pool);
#endif

	[files makeImmutable];

	return files;
}

+ (void)changeCurrentDirectoryPath: (OFString*)path
{
	if (path == nil)
		@throw [OFInvalidArgumentException exception];

#ifndef _WIN32
	if (chdir([path cStringWithEncoding:
	    [OFSystemInfo native8BitEncoding]]) != 0)
#else
	if (_wchdir([path UTF16String]) != 0)
#endif
		@throw [OFChangeCurrentDirectoryPathFailedException
		    exceptionWithPath: path
				errNo: errno];
}

+ (of_offset_t)sizeOfFileAtPath: (OFString*)path
{
	of_stat_t s;

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	if (of_stat(path, &s) != 0)
		@throw [OFStatItemFailedException exceptionWithPath: path
							      errNo: errno];

	return s.st_size;
}

+ (OFDate*)accessTimeOfItemAtPath: (OFString*)path
{
	of_stat_t s;

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	if (of_stat(path, &s) != 0)
		@throw [OFStatItemFailedException exceptionWithPath: path
							      errNo: errno];

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

+ (OFDate*)modificationTimeOfItemAtPath: (OFString*)path
{
	of_stat_t s;

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	if (of_stat(path, &s) != 0)
		@throw [OFStatItemFailedException exceptionWithPath: path
							      errNo: errno];

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

+ (OFDate*)statusChangeTimeOfItemAtPath: (OFString*)path
{
	of_stat_t s;

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	if (of_stat(path, &s) != 0)
		@throw [OFStatItemFailedException exceptionWithPath: path
							      errNo: errno];

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

#ifdef OF_HAVE_CHMOD
+ (void)changePermissionsOfItemAtPath: (OFString*)path
			  permissions: (mode_t)permissions
{
	if (path == nil)
		@throw [OFInvalidArgumentException exception];

# ifndef _WIN32
	if (chmod([path cStringWithEncoding: [OFSystemInfo native8BitEncoding]],
	    permissions) != 0)
# else
	if (_wchmod([path UTF16String], permissions) != 0)
# endif
		@throw [OFChangePermissionsFailedException
		    exceptionWithPath: path
			  permissions: permissions
				errNo: errno];
}
#endif

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

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

	encoding = [OFSystemInfo native8BitEncoding];

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

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

			if ((passwd = getpwnam([owner
			    cStringWithEncoding: encoding])) == NULL)
				@throw [OFChangeOwnerFailedException
				    exceptionWithPath: path
						owner: owner
						group: group
						errNo: errno];

			uid = passwd->pw_uid;
		}

		if (group != nil) {
			struct group *group_;

			if ((group_ = getgrnam([group
			    cStringWithEncoding: encoding])) == NULL)
				@throw [OFChangeOwnerFailedException
				    exceptionWithPath: path
						owner: owner
						group: group
						errNo: errno];

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

	if (chown([path cStringWithEncoding: encoding], uid, gid) != 0)
		@throw [OFChangeOwnerFailedException exceptionWithPath: path
								 owner: owner
								 group: group
								 errNo: errno];
}
#endif

+ (void)copyItemAtPath: (OFString*)source
		toPath: (OFString*)destination
{
	void *pool;
	of_stat_t s;

	if (source == nil || destination == nil)
		@throw [OFInvalidArgumentException exception];

	pool = objc_autoreleasePoolPush();

	if (of_lstat(destination, &s) == 0)
		@throw [OFCopyItemFailedException
		    exceptionWithSourcePath: source
			    destinationPath: destination
				      errNo: EEXIST];

	if (of_lstat(source, &s) != 0)
		@throw [OFCopyItemFailedException
		    exceptionWithSourcePath: source
			    destinationPath: destination
				      errNo: errno];

	if (S_ISDIR(s.st_mode)) {
		OFArray *contents;
		OFEnumerator *enumerator;
		OFString *item;

		@try {
			[OFFile createDirectoryAtPath: destination];
#ifdef OF_HAVE_CHMOD
			[OFFile changePermissionsOfItemAtPath: destination
						  permissions: s.st_mode];
#endif

			contents = [OFFile contentsOfDirectoryAtPath: source];
		} @catch (id e) {
			/*
			 * Only convert exceptions to OFCopyItemFailedException
			 * that have an errNo property. This covers all I/O
			 * related exceptions from the operations used to copy
			 * an item, all others should be left as is.
			 */
			if ([e respondsToSelector: @selector(errNo)])
				@throw [OFCopyItemFailedException
				    exceptionWithSourcePath: source
					    destinationPath: destination
						      errNo: [e errNo]];

			@throw e;
		}

		enumerator = [contents objectEnumerator];
		while ((item = [enumerator nextObject]) != nil) {
			void *pool2 = objc_autoreleasePoolPush();
			OFString *sourcePath, *destinationPath;

			sourcePath =
			    [source stringByAppendingPathComponent: item];
			destinationPath =
			    [destination stringByAppendingPathComponent: item];

			[OFFile copyItemAtPath: sourcePath
					toPath: destinationPath];

			objc_autoreleasePoolPop(pool2);
		}
	} else if (S_ISREG(s.st_mode)) {
		size_t pageSize = [OFSystemInfo pageSize];
		OFFile *sourceFile = nil;
		OFFile *destinationFile = nil;
		char *buffer;

		if ((buffer = malloc(pageSize)) == NULL)
			@throw [OFOutOfMemoryException
			    exceptionWithRequestedSize: pageSize];

		@try {
			sourceFile = [OFFile fileWithPath: source
						     mode: @"rb"];
			destinationFile = [OFFile fileWithPath: destination
							  mode: @"wb"];

			while (![sourceFile isAtEndOfStream]) {
				size_t length;

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

#ifdef OF_HAVE_CHMOD
			[self changePermissionsOfItemAtPath: destination
						permissions: s.st_mode];
#endif
		} @catch (id e) {
			/*
			 * Only convert exceptions to OFCopyItemFailedException
			 * that have an errNo property. This covers all I/O
			 * related exceptions from the operations used to copy
			 * an item, all others should be left as is.
			 */
			if ([e respondsToSelector: @selector(errNo)])
				@throw [OFCopyItemFailedException
				    exceptionWithSourcePath: source
					    destinationPath: destination
						      errNo: [e errNo]];

			@throw e;
		} @finally {
			[sourceFile close];
			[destinationFile close];
			free(buffer);
		}
#ifdef OF_HAVE_SYMLINK
	} else if (S_ISLNK(s.st_mode)) {
		@try {
			source = [OFFile
			    destinationOfSymbolicLinkAtPath: source];

			[OFFile createSymbolicLinkAtPath: destination
				     withDestinationPath: source];
		} @catch (id e) {
			/*
			 * Only convert exceptions to OFCopyItemFailedException
			 * that have an errNo property. This covers all I/O
			 * related exceptions from the operations used to copy
			 * an item, all others should be left as is.
			 */
			if ([e respondsToSelector: @selector(errNo)])
				@throw [OFCopyItemFailedException
				    exceptionWithSourcePath: source
					    destinationPath: destination
						      errNo: [e errNo]];

			@throw e;
		}
#endif
	} else
		@throw [OFCopyItemFailedException
		    exceptionWithSourcePath: source
			    destinationPath: destination
				      errNo: ENOTSUP];

	objc_autoreleasePoolPop(pool);
}

+ (void)moveItemAtPath: (OFString*)source
		toPath: (OFString*)destination
{
	void *pool;
	of_stat_t s;
#ifndef _WIN32
	of_string_encoding_t encoding;
#endif

	if (source == nil || destination == nil)
		@throw [OFInvalidArgumentException exception];

	pool = objc_autoreleasePoolPush();

	if (of_lstat(destination, &s) == 0)
		@throw [OFCopyItemFailedException
		    exceptionWithSourcePath: source
			    destinationPath: destination
				      errNo: EEXIST];

#ifndef _WIN32
	encoding = [OFSystemInfo native8BitEncoding];

	if (rename([source cStringWithEncoding: encoding],
	    [destination cStringWithEncoding: encoding]) != 0) {
#else
	if (_wrename([source UTF16String], [destination UTF16String]) != 0) {
#endif
		if (errno != EXDEV)
			@throw [OFMoveItemFailedException
			    exceptionWithSourcePath: source
				    destinationPath: destination
					      errNo: errno];

		@try {
			[OFFile copyItemAtPath: source
					toPath: destination];
		} @catch (OFCopyItemFailedException *e) {
			[OFFile removeItemAtPath: destination];

			@throw [OFMoveItemFailedException
			    exceptionWithSourcePath: source
				    destinationPath: destination
					      errNo: [e errNo]];
		}

		@try {
			[OFFile removeItemAtPath: source];
		} @catch (OFRemoveItemFailedException *e) {
			@throw [OFMoveItemFailedException
			    exceptionWithSourcePath: source
				    destinationPath: destination
					      errNo: [e errNo]];
		}
	}

	objc_autoreleasePoolPop(pool);
}

+ (void)removeItemAtPath: (OFString*)path
{
	void *pool;
	of_stat_t s;

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	pool = objc_autoreleasePoolPush();

	if (of_lstat(path, &s) != 0)
		@throw [OFRemoveItemFailedException exceptionWithPath: path
								errNo: errno];

	if (S_ISDIR(s.st_mode)) {
		OFArray *contents;
		OFEnumerator *enumerator;
		OFString *item;

		@try {
			contents = [OFFile contentsOfDirectoryAtPath: path];
		} @catch (id e) {
			/*
			 * Only convert exceptions to
			 * OFRemoveItemFailedException that have an errNo
			 * property. This covers all I/O related exceptions
			 * from the operations used to remove an item, all
			 * others should be left as is.
			 */
			if ([e respondsToSelector: @selector(errNo)])
				@throw [OFRemoveItemFailedException
				    exceptionWithPath: path
						errNo: [e errNo]];

			@throw e;
		}

		enumerator = [contents objectEnumerator];
		while ((item = [enumerator nextObject]) != nil) {
			void *pool2 = objc_autoreleasePoolPush();

			[OFFile removeItemAtPath:
			    [path stringByAppendingPathComponent: item]];

			objc_autoreleasePoolPop(pool2);
		}
	}

#ifndef _WIN32
	if (remove([path cStringWithEncoding:
	    [OFSystemInfo native8BitEncoding]]) != 0)
#else
	if (_wremove([path UTF16String]) != 0)
#endif
		@throw [OFRemoveItemFailedException exceptionWithPath: path
								errNo: errno];

	objc_autoreleasePoolPop(pool);
}

#ifdef OF_HAVE_LINK
+ (void)linkItemAtPath: (OFString*)source
		toPath: (OFString*)destination
{
	void *pool;
	of_string_encoding_t encoding;

	if (source == nil || destination == nil)
		@throw [OFInvalidArgumentException exception];

	pool = objc_autoreleasePoolPush();
	encoding = [OFSystemInfo native8BitEncoding];

	if (link([source cStringWithEncoding: encoding],
	    [destination cStringWithEncoding: encoding]) != 0)
		@throw [OFLinkFailedException
		    exceptionWithSourcePath: source
			    destinationPath: destination
				      errNo: errno];

	objc_autoreleasePoolPop(pool);
}
#endif

#ifdef OF_HAVE_SYMLINK
+ (void)createSymbolicLinkAtPath: (OFString*)destination
	     withDestinationPath: (OFString*)source
{
	void *pool;
	of_string_encoding_t encoding;

	if (source == nil || destination == nil)
		@throw [OFInvalidArgumentException exception];

	pool = objc_autoreleasePoolPush();
	encoding = [OFSystemInfo native8BitEncoding];

	if (symlink([source cStringWithEncoding: encoding],
	    [destination cStringWithEncoding: encoding]) != 0)
		@throw [OFCreateSymbolicLinkFailedException
		    exceptionWithSourcePath: source
			    destinationPath: destination
				      errNo: errno];

	objc_autoreleasePoolPop(pool);
}

+ (OFString*)destinationOfSymbolicLinkAtPath: (OFString*)path
{
	char destination[PATH_MAX];
	ssize_t length;
	of_string_encoding_t encoding;

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	encoding = [OFSystemInfo native8BitEncoding];
	length = readlink([path cStringWithEncoding: encoding],
	    destination, PATH_MAX);

	if (length < 0)
		@throw [OFStatItemFailedException exceptionWithPath: path
							      errNo: errno];

	return [OFString stringWithCString: destination
				  encoding: encoding
				    length: length];
}
#endif

- init
{
	OF_INVALID_INIT_METHOD
}

- initWithPath: (OFString*)path
	  mode: (OFString*)mode

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFObject.h"
#import "OFFile.h"

OF_ASSUME_NONNULL_BEGIN

@class OFArray OF_GENERIC(ObjectType);
@class OFDate;

/*!
 * @brief A class which provides management for files, e.g. reading contents of
 *	  directories, deleting files, renaming files, etc.
 */
@interface OFFileManager: OFObject
/*!
 * @brief Returns the default file manager.
 */
+ (OFFileManager*)defaultManager;

/*!
 * @brief Returns the path fo the current working directory.
 *
 * @return The path of the current working directory
 */
- (OFString*)currentDirectoryPath;

/*!
 * @brief Checks whether a file exists at the specified path.
 *
 * @param path The path to check
 * @return A boolean whether there is a file at the specified path
 */
- (bool)fileExistsAtPath: (OFString*)path;

/*!
 * @brief Checks whether a directory exists at the specified path.
 *
 * @param path The path to check
 * @return A boolean whether there is a directory at the specified path
 */
- (bool)directoryExistsAtPath: (OFString*)path;

#ifdef OF_HAVE_SYMLINK
/*!
 * @brief Checks whether a symbolic link exists at the specified path.
 *
 * @param path The path to check
 * @return A boolean whether there is a symbolic link at the specified path
 */
- (bool)symbolicLinkExistsAtPath: (OFString*)path;
#endif

/*!
 * @brief Creates a directory at the specified path.
 *
 * @param path The path of the directory
 */
- (void)createDirectoryAtPath: (OFString*)path;

/*!
 * @brief Creates a directory at the specified path.
 *
 * @param path The path of the directory
 * @param createParents Whether to create the parents of the directory
 */
- (void)createDirectoryAtPath: (OFString*)path
		createParents: (bool)createParents;

/*!
 * @brief Returns an array with the items in the specified directory.
 *
 * @note `.` and `..` are not part of the returned array.
 *
 * @param path The path to the directory whose items should be returned
 * @return An array of OFStrings with the items in the specified directory
 */
- (OFArray OF_GENERIC(OFString*)*)contentsOfDirectoryAtPath: (OFString*)path;

/*!
 * @brief Changes the current working directory.
 *
 * @param path The new directory to change to
 */
- (void)changeCurrentDirectoryPath: (OFString*)path;

/*!
 * @brief Returns the size of the specified file.
 *
 * @return The size of the specified file
 */
- (of_offset_t)sizeOfFileAtPath: (OFString*)path;

/*!
 * @brief Returns the last access time of the specified file.
 *
 * @return The last access time of the specified file
 */
- (OFDate*)accessTimeOfItemAtPath: (OFString*)path;

/*!
 * @brief Returns the last modification time of the specified file.
 *
 * @return The last modification time of the specified file
 */
- (OFDate*)modificationTimeOfItemAtPath: (OFString*)path;

/*!
 * @brief Returns the last status change time of the specified file.
 *
 * @return The last status change time of the specified file
 */
- (OFDate*)statusChangeTimeOfItemAtPath: (OFString*)path;

#ifdef OF_HAVE_CHMOD
/*!
 * @brief Changes the permissions of an item.
 *
 * This method only changes the read-only flag on Windows.
 *
 * @param path The path to the item whose permissions should be changed
 * @param permissions The new permissions for the item
 */
- (void)changePermissionsOfItemAtPath: (OFString*)path
			  permissions: (mode_t)permissions;
#endif

#ifdef OF_HAVE_CHOWN
/*!
 * @brief Changes the owner of an item.
 *
 * This method is not available on some systems, most notably Windows.
 *
 * @param path The path to the item whose owner should be changed
 * @param owner The new owner for the item
 * @param group The new group for the item
 */
- (void)changeOwnerOfItemAtPath: (OFString*)path
			  owner: (OFString*)owner
			  group: (OFString*)group;
#endif

/*!
 * @brief Copies a file, directory or symlink (if supported by the OS).
 *
 * The destination path must be a full path, which means it must include the
 * name of the item.
 *
 * If an item already exists, the copy operation fails. This is also the case
 * if a directory is copied and an item already exists in the destination
 * directory.
 *
 * @param source The file, directory or symlink to copy
 * @param destination The destination path
 */
- (void)copyItemAtPath: (OFString*)source
		toPath: (OFString*)destination;

/*!
 * @brief Moves an item.
 *
 * The destination path must be a full path, which means it must include the
 * name of the item.
 *
 * If the destination is on a different logical device, the source will be
 * copied to the destination using @ref copyItemAtPath:toPath: and the source
 * removed using @ref removeItemAtPath:.
 *
 * @param source The item to rename
 * @param destination The new name for the item
 */
- (void)moveItemAtPath: (OFString*)source
		toPath: (OFString*)destination;

/*!
 * @brief Removes the item at the specified path.
 *
 * If the item at the specified path is a directory, it is removed recursively.
 *
 * @param path The path to the item which should be removed
 */
- (void)removeItemAtPath: (OFString*)path;

#ifdef OF_HAVE_LINK
/*!
 * @brief Creates a hard link for the specified item.
 *
 * The destination path must be a full path, which means it must include the
 * name of the item.
 *
 * This method is not available on some systems, most notably Windows.
 *
 * @param source The path of the item for which a link should be created
 * @param destination The path of the item which should link to the source
 */
- (void)linkItemAtPath: (OFString*)source
		toPath: (OFString*)destination;
#endif

#ifdef OF_HAVE_SYMLINK
/*!
 * @brief Creates a symbolic link for an item.
 *
 * The destination path must be a full path, which means it must include the
 * name of the item.
 *
 * This method is not available on some systems, most notably Windows.
 *
 * @param destination The path of the item which should symbolically link to the
 *		      source
 * @param source The path of the item for which a symbolic link should be
 *		 created
 */
- (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
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#include <errno.h>

#include <dirent.h>
#include <unistd.h>

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

#import "OFFileManager.h"
#import "OFFile.h"
#import "OFString.h"
#import "OFArray.h"
#import "OFDate.h"
#import "OFSystemInfo.h"

#ifdef OF_HAVE_THREADS
# import "threading.h"
#endif

#import "OFChangeCurrentDirectoryPathFailedException.h"
#import "OFChangeOwnerFailedException.h"
#import "OFChangePermissionsFailedException.h"
#import "OFCopyItemFailedException.h"
#import "OFCreateDirectoryFailedException.h"
#import "OFCreateSymbolicLinkFailedException.h"
#import "OFInitializationFailedException.h"
#import "OFInvalidArgumentException.h"
#import "OFLinkFailedException.h"
#import "OFLockFailedException.h"
#import "OFMoveItemFailedException.h"
#import "OFOpenItemFailedException.h"
#import "OFOutOfMemoryException.h"
#import "OFReadFailedException.h"
#import "OFRemoveItemFailedException.h"
#import "OFStatItemFailedException.h"
#import "OFUnlockFailedException.h"

#ifdef _WIN32
# include <windows.h>
# include <direct.h>
#endif

#ifndef S_IRGRP
# define S_IRGRP 0
#endif
#ifndef S_IROTH
# define S_IROTH 0
#endif
#ifndef S_IWGRP
# define S_IWGRP 0
#endif
#ifndef S_IWOTH
# 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

static OFFileManager *defaultManager;

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

int
of_stat(OFString *path, of_stat_t *buffer)
{
#if defined(_WIN32)
	return _wstat64([path UTF16String], buffer);
#elif defined(OF_HAVE_OFF64_T)
	return stat64([path cStringWithEncoding:
	    [OFSystemInfo native8BitEncoding]], buffer);
#else
	return stat([path cStringWithEncoding:
	    [OFSystemInfo native8BitEncoding]], buffer);
#endif
}

int
of_lstat(OFString *path, of_stat_t *buffer)
{
#if defined(_WIN32)
	return _wstat64([path UTF16String], buffer);
#elif defined(HAVE_LSTAT)
# ifdef OF_HAVE_OFF64_T
	return lstat64([path cStringWithEncoding:
	    [OFSystemInfo native8BitEncoding]], buffer);
# else
	return lstat([path cStringWithEncoding:
	    [OFSystemInfo native8BitEncoding]], buffer);
# endif
#else
# ifdef OF_HAVE_OFF64_T
	return stat64([path cStringWithEncoding:
	    [OFSystemInfo native8BitEncoding]], buffer);
# else
	return stat([path cStringWithEncoding:
	    [OFSystemInfo native8BitEncoding]], buffer);
# endif
#endif
}

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

	/*
	 * Make sure OFFile is initialized.
	 * On some systems, this is needed to initialize the file system driver.
	 */
	[OFFile class];

#if defined(OF_HAVE_CHOWN) && defined(OF_HAVE_THREADS)
	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(&readdirMutex))
		@throw [OFInitializationFailedException
		    exceptionWithClass: self];
#endif

	defaultManager = [[OFFileManager alloc] init];
}

+ (OFFileManager*)defaultManager
{
	return defaultManager;
}

- (OFString*)currentDirectoryPath
{
	OFString *ret;
#ifndef _WIN32
	char *buffer = getcwd(NULL, 0);
#else
	wchar_t *buffer = _wgetcwd(NULL, 0);
#endif

	@try {
#ifndef _WIN32
		ret = [OFString
		    stringWithCString: buffer
			     encoding: [OFSystemInfo native8BitEncoding]];
#else
		ret = [OFString stringWithUTF16String: buffer];
#endif
	} @finally {
		free(buffer);
	}

	return ret;
}

- (bool)fileExistsAtPath: (OFString*)path
{
	of_stat_t s;

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	if (of_stat(path, &s) == -1)
		return false;

	if (S_ISREG(s.st_mode))
		return true;

	return false;
}

- (bool)directoryExistsAtPath: (OFString*)path
{
	of_stat_t s;

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	if (of_stat(path, &s) == -1)
		return false;

	if (S_ISDIR(s.st_mode))
		return true;

	return false;
}

#ifdef OF_HAVE_SYMLINK
- (bool)symbolicLinkExistsAtPath: (OFString*)path
{
	of_stat_t s;

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	if (of_lstat(path, &s) == -1)
		return false;

	if (S_ISLNK(s.st_mode))
		return true;

	return false;
}
#endif

- (void)createDirectoryAtPath: (OFString*)path
{
	if (path == nil)
		@throw [OFInvalidArgumentException exception];

#ifndef _WIN32
	if (mkdir([path cStringWithEncoding: [OFSystemInfo native8BitEncoding]],
	    DIR_MODE) != 0)
#else
	if (_wmkdir([path UTF16String]) != 0)
#endif
		@throw [OFCreateDirectoryFailedException
		    exceptionWithPath: path
				errNo: errno];
}

- (void)createDirectoryAtPath: (OFString*)path
		createParents: (bool)createParents
{
	void *pool;
	OFArray *pathComponents;
	OFString *currentPath = nil, *component;
	OFEnumerator *enumerator;

	if (!createParents) {
		[self createDirectoryAtPath: path];
		return;
	}

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	pool = objc_autoreleasePoolPush();

	pathComponents = [path pathComponents];
	enumerator = [pathComponents objectEnumerator];
	while ((component = [enumerator nextObject]) != nil) {
		void *pool2 = objc_autoreleasePoolPush();

		if (currentPath != nil)
			currentPath = [currentPath
			    stringByAppendingPathComponent: component];
		else
			currentPath = component;

		if ([currentPath length] > 0 &&
		    ![self directoryExistsAtPath: currentPath])
			[self createDirectoryAtPath: currentPath];

		[currentPath retain];

		objc_autoreleasePoolPop(pool2);

		[currentPath autorelease];
	}

	objc_autoreleasePoolPop(pool);
}

- (OFArray*)contentsOfDirectoryAtPath: (OFString*)path
{
	OFMutableArray *files;
#ifndef _WIN32
	of_string_encoding_t encoding;
#endif

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	files = [OFMutableArray array];

#ifndef _WIN32
	DIR *dir;

	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(&readdirMutex))
		@throw [OFLockFailedException exception];
# endif

	@try {
		for (;;) {
			struct dirent *dirent;
# ifdef HAVE_READDIR_R
			struct dirent buffer;
# endif
			void *pool;
			OFString *file;

# ifdef HAVE_READDIR_R
			if (readdir_r(dir, &buffer, &dirent) != 0)
				@throw [OFReadFailedException
				    exceptionWithObject: self
					requestedLength: 0
						  errNo: errno];

			if (dirent == NULL)
				break;
# else
			if ((dirent = readdir(dir)) == NULL) {
				if (errno == 0)
					break;
				else
					@throw [OFReadFailedException
					    exceptionWithObject: self
						requestedLength: 0
							  errNo: errno];
			}
# endif

			if (strcmp(dirent->d_name, ".") == 0 ||
			    strcmp(dirent->d_name, "..") == 0)
				continue;

			pool = objc_autoreleasePoolPush();

			file = [OFString stringWithCString: dirent->d_name
						  encoding: encoding];
			[files addObject: file];

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

	path = [path stringByAppendingString: @"\\*"];

	if ((handle = FindFirstFileW([path UTF16String],
	    &fd)) == INVALID_HANDLE_VALUE) {
		int errNo = 0;

		if (GetLastError() == ERROR_FILE_NOT_FOUND)
			errNo = ENOENT;

		@throw [OFOpenItemFailedException exceptionWithPath: path
							      errNo: errNo];
	}

	@try {
		do {
			void *pool2 = objc_autoreleasePoolPush();
			OFString *file;

			if (!wcscmp(fd.cFileName, L".") ||
			    !wcscmp(fd.cFileName, L".."))
				continue;

			file = [OFString stringWithUTF16String: fd.cFileName];
			[files addObject: file];

			objc_autoreleasePoolPop(pool2);
		} while (FindNextFileW(handle, &fd));

		if (GetLastError() != ERROR_NO_MORE_FILES)
			@throw [OFReadFailedException exceptionWithObject: self
							  requestedLength: 0];
	} @finally {
		FindClose(handle);
	}

	objc_autoreleasePoolPop(pool);
#endif

	[files makeImmutable];

	return files;
}

- (void)changeCurrentDirectoryPath: (OFString*)path
{
	if (path == nil)
		@throw [OFInvalidArgumentException exception];

#ifndef _WIN32
	if (chdir([path cStringWithEncoding:
	    [OFSystemInfo native8BitEncoding]]) != 0)
#else
	if (_wchdir([path UTF16String]) != 0)
#endif
		@throw [OFChangeCurrentDirectoryPathFailedException
		    exceptionWithPath: path
				errNo: errno];
}

- (of_offset_t)sizeOfFileAtPath: (OFString*)path
{
	of_stat_t s;

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	if (of_stat(path, &s) != 0)
		@throw [OFStatItemFailedException exceptionWithPath: path
							      errNo: errno];

	return s.st_size;
}

- (OFDate*)accessTimeOfItemAtPath: (OFString*)path
{
	of_stat_t s;

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	if (of_stat(path, &s) != 0)
		@throw [OFStatItemFailedException exceptionWithPath: path
							      errNo: errno];

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

- (OFDate*)modificationTimeOfItemAtPath: (OFString*)path
{
	of_stat_t s;

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	if (of_stat(path, &s) != 0)
		@throw [OFStatItemFailedException exceptionWithPath: path
							      errNo: errno];

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

- (OFDate*)statusChangeTimeOfItemAtPath: (OFString*)path
{
	of_stat_t s;

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	if (of_stat(path, &s) != 0)
		@throw [OFStatItemFailedException exceptionWithPath: path
							      errNo: errno];

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

#ifdef OF_HAVE_CHMOD
- (void)changePermissionsOfItemAtPath: (OFString*)path
			  permissions: (mode_t)permissions
{
	if (path == nil)
		@throw [OFInvalidArgumentException exception];

# ifndef _WIN32
	if (chmod([path cStringWithEncoding: [OFSystemInfo native8BitEncoding]],
	    permissions) != 0)
# else
	if (_wchmod([path UTF16String], permissions) != 0)
# endif
		@throw [OFChangePermissionsFailedException
		    exceptionWithPath: path
			  permissions: permissions
				errNo: errno];
}
#endif

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

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

	encoding = [OFSystemInfo native8BitEncoding];

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

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

			if ((passwd = getpwnam([owner
			    cStringWithEncoding: encoding])) == NULL)
				@throw [OFChangeOwnerFailedException
				    exceptionWithPath: path
						owner: owner
						group: group
						errNo: errno];

			uid = passwd->pw_uid;
		}

		if (group != nil) {
			struct group *group_;

			if ((group_ = getgrnam([group
			    cStringWithEncoding: encoding])) == NULL)
				@throw [OFChangeOwnerFailedException
				    exceptionWithPath: path
						owner: owner
						group: group
						errNo: errno];

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

	if (chown([path cStringWithEncoding: encoding], uid, gid) != 0)
		@throw [OFChangeOwnerFailedException exceptionWithPath: path
								 owner: owner
								 group: group
								 errNo: errno];
}
#endif

- (void)copyItemAtPath: (OFString*)source
		toPath: (OFString*)destination
{
	void *pool;
	of_stat_t s;

	if (source == nil || destination == nil)
		@throw [OFInvalidArgumentException exception];

	pool = objc_autoreleasePoolPush();

	if (of_lstat(destination, &s) == 0)
		@throw [OFCopyItemFailedException
		    exceptionWithSourcePath: source
			    destinationPath: destination
				      errNo: EEXIST];

	if (of_lstat(source, &s) != 0)
		@throw [OFCopyItemFailedException
		    exceptionWithSourcePath: source
			    destinationPath: destination
				      errNo: errno];

	if (S_ISDIR(s.st_mode)) {
		OFArray *contents;
		OFEnumerator *enumerator;
		OFString *item;

		@try {
			[self createDirectoryAtPath: destination];
#ifdef OF_HAVE_CHMOD
			[self changePermissionsOfItemAtPath: destination
						permissions: s.st_mode];
#endif

			contents = [self contentsOfDirectoryAtPath: source];
		} @catch (id e) {
			/*
			 * Only convert exceptions to OFCopyItemFailedException
			 * that have an errNo property. This covers all I/O
			 * related exceptions from the operations used to copy
			 * an item, all others should be left as is.
			 */
			if ([e respondsToSelector: @selector(errNo)])
				@throw [OFCopyItemFailedException
				    exceptionWithSourcePath: source
					    destinationPath: destination
						      errNo: [e errNo]];

			@throw e;
		}

		enumerator = [contents objectEnumerator];
		while ((item = [enumerator nextObject]) != nil) {
			void *pool2 = objc_autoreleasePoolPush();
			OFString *sourcePath, *destinationPath;

			sourcePath =
			    [source stringByAppendingPathComponent: item];
			destinationPath =
			    [destination stringByAppendingPathComponent: item];

			[self copyItemAtPath: sourcePath
				      toPath: destinationPath];

			objc_autoreleasePoolPop(pool2);
		}
	} else if (S_ISREG(s.st_mode)) {
		size_t pageSize = [OFSystemInfo pageSize];
		OFFile *sourceFile = nil;
		OFFile *destinationFile = nil;
		char *buffer;

		if ((buffer = malloc(pageSize)) == NULL)
			@throw [OFOutOfMemoryException
			    exceptionWithRequestedSize: pageSize];

		@try {
			sourceFile = [OFFile fileWithPath: source
						     mode: @"rb"];
			destinationFile = [OFFile fileWithPath: destination
							  mode: @"wb"];

			while (![sourceFile isAtEndOfStream]) {
				size_t length;

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

#ifdef OF_HAVE_CHMOD
			[self changePermissionsOfItemAtPath: destination
						permissions: s.st_mode];
#endif
		} @catch (id e) {
			/*
			 * Only convert exceptions to OFCopyItemFailedException
			 * that have an errNo property. This covers all I/O
			 * related exceptions from the operations used to copy
			 * an item, all others should be left as is.
			 */
			if ([e respondsToSelector: @selector(errNo)])
				@throw [OFCopyItemFailedException
				    exceptionWithSourcePath: source
					    destinationPath: destination
						      errNo: [e errNo]];

			@throw e;
		} @finally {
			[sourceFile close];
			[destinationFile close];
			free(buffer);
		}
#ifdef OF_HAVE_SYMLINK
	} else if (S_ISLNK(s.st_mode)) {
		@try {
			source = [self destinationOfSymbolicLinkAtPath: source];

			[self createSymbolicLinkAtPath: destination
				   withDestinationPath: source];
		} @catch (id e) {
			/*
			 * Only convert exceptions to OFCopyItemFailedException
			 * that have an errNo property. This covers all I/O
			 * related exceptions from the operations used to copy
			 * an item, all others should be left as is.
			 */
			if ([e respondsToSelector: @selector(errNo)])
				@throw [OFCopyItemFailedException
				    exceptionWithSourcePath: source
					    destinationPath: destination
						      errNo: [e errNo]];

			@throw e;
		}
#endif
	} else
		@throw [OFCopyItemFailedException
		    exceptionWithSourcePath: source
			    destinationPath: destination
				      errNo: ENOTSUP];

	objc_autoreleasePoolPop(pool);
}

- (void)moveItemAtPath: (OFString*)source
		toPath: (OFString*)destination
{
	void *pool;
	of_stat_t s;
#ifndef _WIN32
	of_string_encoding_t encoding;
#endif

	if (source == nil || destination == nil)
		@throw [OFInvalidArgumentException exception];

	pool = objc_autoreleasePoolPush();

	if (of_lstat(destination, &s) == 0)
		@throw [OFCopyItemFailedException
		    exceptionWithSourcePath: source
			    destinationPath: destination
				      errNo: EEXIST];

#ifndef _WIN32
	encoding = [OFSystemInfo native8BitEncoding];

	if (rename([source cStringWithEncoding: encoding],
	    [destination cStringWithEncoding: encoding]) != 0) {
#else
	if (_wrename([source UTF16String], [destination UTF16String]) != 0) {
#endif
		if (errno != EXDEV)
			@throw [OFMoveItemFailedException
			    exceptionWithSourcePath: source
				    destinationPath: destination
					      errNo: errno];

		@try {
			[self copyItemAtPath: source
				      toPath: destination];
		} @catch (OFCopyItemFailedException *e) {
			[self removeItemAtPath: destination];

			@throw [OFMoveItemFailedException
			    exceptionWithSourcePath: source
				    destinationPath: destination
					      errNo: [e errNo]];
		}

		@try {
			[self removeItemAtPath: source];
		} @catch (OFRemoveItemFailedException *e) {
			@throw [OFMoveItemFailedException
			    exceptionWithSourcePath: source
				    destinationPath: destination
					      errNo: [e errNo]];
		}
	}

	objc_autoreleasePoolPop(pool);
}

- (void)removeItemAtPath: (OFString*)path
{
	void *pool;
	of_stat_t s;

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	pool = objc_autoreleasePoolPush();

	if (of_lstat(path, &s) != 0)
		@throw [OFRemoveItemFailedException exceptionWithPath: path
								errNo: errno];

	if (S_ISDIR(s.st_mode)) {
		OFArray *contents;
		OFEnumerator *enumerator;
		OFString *item;

		@try {
			contents = [self contentsOfDirectoryAtPath: path];
		} @catch (id e) {
			/*
			 * Only convert exceptions to
			 * OFRemoveItemFailedException that have an errNo
			 * property. This covers all I/O related exceptions
			 * from the operations used to remove an item, all
			 * others should be left as is.
			 */
			if ([e respondsToSelector: @selector(errNo)])
				@throw [OFRemoveItemFailedException
				    exceptionWithPath: path
						errNo: [e errNo]];

			@throw e;
		}

		enumerator = [contents objectEnumerator];
		while ((item = [enumerator nextObject]) != nil) {
			void *pool2 = objc_autoreleasePoolPush();

			[self removeItemAtPath:
			    [path stringByAppendingPathComponent: item]];

			objc_autoreleasePoolPop(pool2);
		}
	}

#ifndef _WIN32
	if (remove([path cStringWithEncoding:
	    [OFSystemInfo native8BitEncoding]]) != 0)
#else
	if (_wremove([path UTF16String]) != 0)
#endif
		@throw [OFRemoveItemFailedException exceptionWithPath: path
								errNo: errno];

	objc_autoreleasePoolPop(pool);
}

#ifdef OF_HAVE_LINK
- (void)linkItemAtPath: (OFString*)source
		toPath: (OFString*)destination
{
	void *pool;
	of_string_encoding_t encoding;

	if (source == nil || destination == nil)
		@throw [OFInvalidArgumentException exception];

	pool = objc_autoreleasePoolPush();
	encoding = [OFSystemInfo native8BitEncoding];

	if (link([source cStringWithEncoding: encoding],
	    [destination cStringWithEncoding: encoding]) != 0)
		@throw [OFLinkFailedException
		    exceptionWithSourcePath: source
			    destinationPath: destination
				      errNo: errno];

	objc_autoreleasePoolPop(pool);
}
#endif

#ifdef OF_HAVE_SYMLINK
- (void)createSymbolicLinkAtPath: (OFString*)destination
	     withDestinationPath: (OFString*)source
{
	void *pool;
	of_string_encoding_t encoding;

	if (source == nil || destination == nil)
		@throw [OFInvalidArgumentException exception];

	pool = objc_autoreleasePoolPush();
	encoding = [OFSystemInfo native8BitEncoding];

	if (symlink([source cStringWithEncoding: encoding],
	    [destination cStringWithEncoding: encoding]) != 0)
		@throw [OFCreateSymbolicLinkFailedException
		    exceptionWithSourcePath: source
			    destinationPath: destination
				      errNo: errno];

	objc_autoreleasePoolPop(pool);
}

- (OFString*)destinationOfSymbolicLinkAtPath: (OFString*)path
{
	char destination[PATH_MAX];
	ssize_t length;
	of_string_encoding_t encoding;

	if (path == nil)
		@throw [OFInvalidArgumentException exception];

	encoding = [OFSystemInfo native8BitEncoding];
	length = readlink([path cStringWithEncoding: encoding],
	    destination, PATH_MAX);

	if (length < 0)
		@throw [OFStatItemFailedException exceptionWithPath: path
							      errNo: errno];

	return [OFString stringWithCString: destination
				  encoding: encoding
				    length: length];
}
#endif
@end

#import "OFStream.h"
#import "OFStdIOStream.h"
#import "OFInflateStream.h"
#import "OFInflate64Stream.h"
#ifdef OF_HAVE_FILES
# import "OFFile.h"
# import "OFFileManager.h"
# import "OFINIFile.h"
# import "OFSettings.h"
# import "OFZIPArchive.h"
# import "OFZIPArchiveEntry.h"
#endif
#ifdef OF_HAVE_SOCKETS
# import "OFStreamSocket.h"

#include "config.h"

#import "OFINIFile.h"
#import "OFINICategory.h"
#import "OFString.h"
#import "OFArray.h"
#import "OFFile.h"
#import "OFFileManager.h"
#import "OFAutoreleasePool.h"

#import "TestsAppDelegate.h"

#ifdef _WIN32
# define NL @"\r\n"
#else

	TEST(@"-[writeToFile:encoding:]",
	    R([file writeToFile: @"tmpfile.ini"
		       encoding: OF_STRING_ENCODING_CODEPAGE_437]) &&
	    [[OFString
		stringWithContentsOfFile: @"tmpfile.ini"
				encoding: OF_STRING_ENCODING_CODEPAGE_437]
	    isEqual: output])
	[OFFile removeItemAtPath: @"tmpfile.ini"];
	[[OFFileManager defaultManager] removeItemAtPath: @"tmpfile.ini"];
#else
	(void)output;
#endif

	[pool drain];
}
@end

#include "config.h"

#import "OFApplication.h"
#import "OFArray.h"
#import "OFDataArray.h"
#import "OFDictionary.h"
#import "OFFile.h"
#import "OFFileManager.h"
#import "OFHTTPClient.h"
#import "OFHTTPRequest.h"
#import "OFHTTPResponse.h"
#import "OFOptionsParser.h"
#import "OFStdIOStream.h"
#import "OFSystemInfo.h"
#import "OFTCPSocket.h"

	[self performSelector: @selector(downloadNextURL)
		   afterDelay: 0];
	return false;
}

- (void)downloadNextURL
{
	OFFileManager *fileManager = [OFFileManager defaultManager];
	OFString *URLString = nil;
	OFURL *URL;
	OFMutableDictionary *clientHeaders;
	OFHTTPRequest *request;
	OFHTTPResponse *response;
	OFDictionary OF_GENERIC(OFString*, OFString*) *headers;
	OFString *fileName = nil, *lengthString, *type;

		fileName = _outputPath;

	if (fileName == nil)
		fileName = [[URL path] lastPathComponent];

	if (_continue) {
		@try {
			of_offset_t size = [OFFile sizeOfFileAtPath: fileName];
			of_offset_t size =
			    [fileManager sizeOfFileAtPath: fileName];
			OFString *range;

			if (size > INTMAX_MAX)
				@throw [OFOutOfRangeException exception];

			_resumedFrom = (intmax_t)size;

			[of_stdout writeFormat: @"  Size: %@\n", lengthString];
		}
	}

	if ([_outputPath isEqual: @"-"])
		_output = of_stdout;
	else {
		if (!_continue && [OFFile fileExistsAtPath: fileName]) {
		if (!_continue && [fileManager fileExistsAtPath: fileName]) {
			[of_stderr writeFormat:
			    @"%@: File %@ already exists!\n",
			    [OFApplication programName], fileName];

			_errorCode = 1;
			goto next;
		}

#include <string.h>

#import "OFApplication.h"
#import "OFArray.h"
#import "OFDate.h"
#import "OFFile.h"
#import "OFFileManager.h"
#import "OFOptionsParser.h"
#import "OFSet.h"
#import "OFStdIOStream.h"
#import "OFZIPArchive.h"
#import "OFZIPArchiveEntry.h"

#import "OFCreateDirectoryFailedException.h"

	if (([entry versionMadeBy] >> 8) ==
	    OF_ZIP_ARCHIVE_ENTRY_ATTR_COMPAT_UNIX) {
		uint32_t mode = [entry versionSpecificAttributes] >> 16;

		/* Only allow modes that are safe */
		mode &= (S_IRWXU | S_IRWXG | S_IRWXO);

		[[OFFileManager defaultManager]
		[OFFile changePermissionsOfItemAtPath: path
					  permissions: mode];
		    changePermissionsOfItemAtPath: path
				      permissions: mode];
	}
#endif
}

@implementation OFZIP
- (void)applicationDidFinishLaunching
{

		objc_autoreleasePoolPop(pool);
	}
}

- (void)extractFiles: (OFArray OF_GENERIC(OFString*)*)files
	 fromArchive: (OFZIPArchive*)archive
{
	OFFileManager *fileManager = [OFFileManager defaultManager];
	OFEnumerator OF_GENERIC(OFZIPArchiveEntry*) *entryEnumerator;
	OFZIPArchiveEntry *entry;
	bool all;
	OFMutableSet OF_GENERIC(OFString*) *missing;

	all = ([files count] == 0);
	missing = [OFMutableSet setWithArray: files];

		}
		outFileName = [OFString pathWithComponents: pathComponents];

		if (_outputLevel >= 0)
			[of_stdout writeFormat: @"Extracting %@...", fileName];

		if ([fileName hasSuffix: @"/"]) {
			[OFFile createDirectoryAtPath: outFileName
					createParents: true];
			[fileManager createDirectoryAtPath: outFileName
					     createParents: true];
			setPermissions(outFileName, entry);

			if (_outputLevel >= 0)
				[of_stdout writeLine: @" done"];

			goto outer_loop_end;
		}

		directory = [outFileName stringByDeletingLastPathComponent];
		if (![OFFile directoryExistsAtPath: directory])
			[OFFile createDirectoryAtPath: directory
					createParents: true];
		if (![fileManager directoryExistsAtPath: directory])
			[fileManager createDirectoryAtPath: directory
					     createParents: true];

		if ([OFFile fileExistsAtPath: outFileName] && _override != 1) {
		if ([fileManager fileExistsAtPath: outFileName] &&
		    _override != 1) {
			OFString *line;

			if (_override == -1) {
				if (_outputLevel >= 0)
					[of_stdout writeLine: @" skipped"];

				goto outer_loop_end;