ObjFW  Diff

 *
 * 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 OF_TAR_ARCHIVE_ENTRY_M

#include "config.h"

#include <inttypes.h>

#import "OFTarArchiveEntry.h"
#import "OFTarArchiveEntry+Private.h"
#import "OFStream.h"
#import "OFDate.h"

#import "OFNotOpenException.h"
#import "OFOutOfRangeException.h"

static OFString *
stringFromBuffer(const char *buffer, size_t length)
{
	for (size_t i = 0; i < length; i++)
		if (buffer[i] == '\0')

	if (value > max)
		@throw [OFOutOfRangeException exception];

	return value;
}

@implementation OFTarArchiveEntry
@synthesize fileName = _fileName, mode = _mode, size = _size;
+ (instancetype)entryWithFileName: (OFString *)fileName
@synthesize modificationDate = _modificationDate, type = _type;
@synthesize targetFileName = _targetFileName;
{
	return [[[self alloc] initWithFileName: fileName] autorelease];
@synthesize owner = _owner, group = _group;
@synthesize deviceMajor = _deviceMajor, deviceMinor = _deviceMinor;
}

- init
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)of_initWithHeader: (char [512])header
			   stream: (OFStream *)stream
{
	self = [super init];

	@try {
		void *pool = objc_autoreleasePoolPush();

		OFString *targetFileName;
		_stream = [stream retain];

		_fileName = [stringFromBuffer(header, 100) copy];
		_mode = (uint32_t)octalValueFromBuffer(
		    header + 100, 8, UINT32_MAX);
		_size = _toRead = (uint64_t)octalValueFromBuffer(
		_size = (uint64_t)octalValueFromBuffer(
		    header + 124, 12, UINT64_MAX);
		_modificationDate = [[OFDate alloc]
		    initWithTimeIntervalSince1970:
		    (of_time_interval_t)octalValueFromBuffer(
		    header + 136, 12, UINTMAX_MAX)];
		_type = header[156];

		_targetFileName = [stringFromBuffer(header + 157, 100) copy];
		targetFileName = stringFromBuffer(header + 157, 100);
		if ([targetFileName length] > 0)
			_targetFileName = [targetFileName copy];

		if (_type == '\0')
			_type = OF_TAR_ARCHIVE_ENTRY_TYPE_FILE;

		if (memcmp(header + 257, "ustar\0" "00", 8) == 0) {
			OFString *fileName;

	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- initWithFileName: (OFString *)fileName
{
	self = [super init];

	@try {
		_fileName = [fileName copy];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[self close];

	[_fileName release];
	[_modificationDate release];
	[_targetFileName release];
	[_owner release];
	[_group release];

	[super dealloc];
}

- (size_t)lowlevelReadIntoBuffer: (void *)buffer
- copy
			  length: (size_t)length
{
	size_t ret;

	if (_stream == nil)
	return [self retain];
}

		@throw [OFNotOpenException exceptionWithObject: self];

	if (_atEndOfStream)
- mutableCopy
{
	OFTarArchiveEntry *copy = [[OFMutableTarArchiveEntry alloc]
	    initWithFileName: _fileName];
		return 0;

	@try {
	if ((uint64_t)length > _toRead)
		length = (size_t)_toRead;

		copy->_mode = _mode;
		copy->_size = _size;
		copy->_modificationDate = [_modificationDate copy];
		copy->_type = _type;
		copy->_targetFileName = [_targetFileName copy];
		copy->_owner = [_owner copy];
		copy->_group = [_group copy];
		copy->_deviceMajor = _deviceMajor;
		copy->_deviceMinor = _deviceMinor;
	} @catch (id e) {
		[copy release];
		@throw e;
	}
	ret = [_stream readIntoBuffer: buffer
			       length: length];

	if (ret == 0)
	return copy;
		_atEndOfStream = true;

	_toRead -= ret;

	return ret;
}

- (OFString *)fileName
{
	return _fileName;
}

- (bool)lowlevelIsAtEndOfStream
- (uint32_t)mode
{
	if (_stream == nil)
	return _mode;
		@throw [OFNotOpenException exceptionWithObject: self];

}
	return _atEndOfStream;
}

- (bool)hasDataInReadBuffer

- (uint64_t)size
{
	return _size;
}

- (OFDate *)modificationDate
{
	return ([super hasDataInReadBuffer] || [_stream hasDataInReadBuffer]);
	return _modificationDate;
}

- (void)close
- (of_tar_archive_entry_type_t)type
{
	[_stream release];
	_stream = nil;

	return _type;
}
	[super close];
}


- (OFString *)targetFileName
{
- (void)of_skip
{
	char buffer[512];

	while (_toRead >= 512) {
	return _targetFileName;
}

- (OFString *)owner
{
	return _owner;
}

		[_stream readIntoBuffer: buffer
			    exactLength: 512];
- (OFString *)group
		_toRead -= 512;
	}
{
	return _group;
}

	if (_toRead > 0) {
		[_stream readIntoBuffer: buffer
			    exactLength: (size_t)_toRead];
		_toRead = 0;
	}
- (uint32_t)deviceMajor
{
	return _deviceMajor;
}

	if (_size % 512 != 0)
		[_stream readIntoBuffer: buffer
- (uint32_t)deviceMinor
			    exactLength: 512 - ((size_t)_size % 512)];
{
	return _deviceMinor;
}

- (OFString *)description
{
	void *pool = objc_autoreleasePoolPush();
	OFString *ret = [OFString stringWithFormat: @"<%@:\n"
	     @"\tFile name = %@\n"