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_handle = handle;
return self;
}
- (bool)lowlevelIsAtEndOfStream
{
if (_handle == OF_INVALID_FILE_HANDLE)
if (_handle == OFInvalidFileHandle)
@throw [OFNotOpenException exceptionWithObject: self];
return _atEndOfStream;
}
- (size_t)lowlevelReadIntoBuffer: (void *)buffer length: (size_t)length
{
ssize_t ret;
if (_handle == OF_INVALID_FILE_HANDLE)
if (_handle == OFInvalidFileHandle)
@throw [OFNotOpenException exceptionWithObject: self];
#if defined(OF_WINDOWS)
if (length > UINT_MAX)
@throw [OFOutOfRangeException exception];
if ((ret = read(_handle, buffer, (unsigned int)length)) < 0)
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_atEndOfStream = true;
return ret;
}
- (size_t)lowlevelWriteBuffer: (const void *)buffer length: (size_t)length
{
if (_handle == OF_INVALID_FILE_HANDLE)
if (_handle == OFInvalidFileHandle)
@throw [OFNotOpenException exceptionWithObject: self];
#if defined(OF_WINDOWS)
int bytesWritten;
if (length > INT_MAX)
@throw [OFOutOfRangeException exception];
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return (size_t)bytesWritten;
}
- (OFFileOffset)lowlevelSeekToOffset: (OFFileOffset)offset whence: (int)whence
{
OFFileOffset ret;
if (_handle == OF_INVALID_FILE_HANDLE)
if (_handle == OFInvalidFileHandle)
@throw [OFNotOpenException exceptionWithObject: self];
#ifndef OF_AMIGAOS
# if defined(OF_WINDOWS)
ret = _lseeki64(_handle, offset, whence);
# elif defined(HAVE_LSEEK64)
ret = lseek64(_handle, offset, whence);
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{
return _handle;
}
#endif
- (void)close
{
if (_handle == OF_INVALID_FILE_HANDLE)
if (_handle == OFInvalidFileHandle)
@throw [OFNotOpenException exceptionWithObject: self];
closeHandle(_handle);
_handle = OF_INVALID_FILE_HANDLE;
_handle = OFInvalidFileHandle;
[super close];
}
- (void)dealloc
{
if (_handle != OF_INVALID_FILE_HANDLE)
if (_handle != OFInvalidFileHandle)
[self close];
[super dealloc];
}
@end
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