ObjFW  Diff

#import "OFNotImplementedException.h"
#import "OFNotOpenException.h"
#import "OFOpenItemFailedException.h"
#import "OFOutOfRangeException.h"
#import "OFSeekFailedException.h"
#import "OFTruncatedDataException.h"
#import "OFUnsupportedVersionException.h"
#import "OFWriteFailedException.h"

/*
 * FIXME: Current limitations:
 *  - Split archives are not supported.
 *  - Encrypted files cannot be read.
 */

	[_entry release];

	[super dealloc];
}

- (size_t)lowlevelWriteBuffer: (const void *)buffer length: (size_t)length
{
	size_t bytesWritten;

#if SIZE_MAX >= INT64_MAX
	if (length > INT64_MAX)
		@throw [OFOutOfRangeException exception];
#endif

	if (INT64_MAX - _bytesWritten < (int64_t)length)
		@throw [OFOutOfRangeException exception];

	@try {
	bytesWritten = [_stream writeBuffer: buffer length: length];
		[_stream writeBuffer: buffer length: length];
	} @catch (OFWriteFailedException *e) {
		OFEnsure(e.bytesWritten < length);

	_bytesWritten += (int64_t)bytesWritten;
	_CRC32 = OFCRC32(_CRC32, buffer, length);
		_bytesWritten += (int64_t)e.bytesWritten;
		_CRC32 = OFCRC32(_CRC32, buffer, e.bytesWritten);

		if (e.errNo == EWOULDBLOCK)
	return bytesWritten;
			return e.bytesWritten;

		@throw e;
	}

	_bytesWritten += (int64_t)length;
	_CRC32 = OFCRC32(_CRC32, buffer, length);

	return length;
}

- (void)close
{
	if (_stream == nil)
		@throw [OFNotOpenException exceptionWithObject: self];