ObjFW  Diff

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
 *   Jonathan Schleifer <js@webkeks.org>
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
 *   Jonathan Schleifer <js@heap.zone>
 *
 * 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.
 *

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

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

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

# 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

		     length: (size_t)length
{
	if (_fd == -1 || _atEndOfStream)
		@throw [OFWriteFailedException exceptionWithObject: self
						   requestedLength: length];

#ifndef _WIN32
	if (length > SSIZE_MAX)
		@throw [OFOutOfRangeException exception];

	if (write(_fd, buffer, length) < length)
	if (write(_fd, buffer, length) != (ssize_t)length)
		@throw [OFWriteFailedException exceptionWithObject: self
						   requestedLength: length
							     errNo: errno];
#else
	if (length > UINT_MAX)
	if (length > INT_MAX)
		@throw [OFOutOfRangeException exception];

	if (write(_fd, buffer, (unsigned int)length) < length)
	if (write(_fd, buffer, (int)length) != (int)length)
		@throw [OFWriteFailedException exceptionWithObject: self
						   requestedLength: length
							     errNo: errno];
#endif
}

- (of_offset_t)lowlevelSeekToOffset: (of_offset_t)offset