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#ifndef O_EXLOCK
# define O_EXLOCK 0
#endif
#ifndef OF_MORPHOS
# define closeHandle(h) close(h)
#else
struct of_file_handle {
of_file_handle_t previous, next;
static OFDataArray *openHandles = nil;
BPTR handle;
bool append;
} *firstHandle = NULL;
static void
closeHandle(of_file_handle_t handle)
{
if (handle.index != SIZE_MAX) {
Close(handle->handle);
BPTR *handles = [openHandles items];
size_t count = [openHandles count];
assert(handles[handle.index] == handle.handle);
handles[handle.index] = handles[count - 1];
[openHandles removeItemAtIndex: count - 1];
}
if (handle->previous != NULL)
handle->previous->next = handle->next;
if (handle->next != NULL)
handle->next->previous = handle->previous;
if (firstHandle == handle)
firstHandle = handle->next;
Close(handle.handle);
free(handle);
}
OF_DESTRUCTOR()
{
BPTR *handles = [openHandles items];
for (of_file_handle_t iter = firstHandle; iter != NULL;
size_t count = [openHandles count];
iter = iter->next)
for (size_t i = 0; i < count; i++)
Close(handles[i]);
Close(iter->handle);
}
#endif
#ifndef OF_MORPHOS
static int
parseMode(const char *mode)
{
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[OFLocalization encoding]], flags, 0666)) == -1)
# endif
@throw [OFOpenItemFailedException
exceptionWithPath: path
mode: mode
errNo: errno];
#else
handle.index = SIZE_MAX;
if ((handle = malloc(sizeof(*handle))) == NULL)
@throw [OFOutOfMemoryException
exceptionWithRequestedSize: sizeof(*handle)];
@try {
if ((flags = parseMode([mode UTF8String],
&handle.append)) == -1)
@throw [OFInvalidArgumentException exception];
if ((flags = parseMode([mode UTF8String],
&handle->append)) == -1)
@throw [OFInvalidArgumentException exception];
if ((handle.handle = Open([path cStringWithEncoding:
[OFLocalization encoding]], flags)) == 0) {
int errNo;
if ((handle->handle = Open([path cStringWithEncoding:
[OFLocalization encoding]], flags)) == 0) {
int errNo;
switch (IoErr()) {
case ERROR_OBJECT_IN_USE:
case ERROR_DISK_NOT_VALIDATED:
errNo = EBUSY;
break;
case ERROR_OBJECT_NOT_FOUND:
errNo = ENOENT;
break;
case ERROR_DISK_WRITE_PROTECTED:
errNo = EROFS;
break;
case ERROR_WRITE_PROTECTED:
case ERROR_READ_PROTECTED:
errNo = EACCES;
break;
default:
errNo = 0;
break;
}
switch (IoErr()) {
case ERROR_OBJECT_IN_USE:
case ERROR_DISK_NOT_VALIDATED:
errNo = EBUSY;
break;
case ERROR_OBJECT_NOT_FOUND:
errNo = ENOENT;
break;
case ERROR_DISK_WRITE_PROTECTED:
errNo = EROFS;
break;
case ERROR_WRITE_PROTECTED:
case ERROR_READ_PROTECTED:
errNo = EACCES;
break;
default:
errNo = 0;
break;
}
@throw [OFOpenItemFailedException
exceptionWithPath: path
mode: mode
errNo: errNo];
}
@throw [OFOpenItemFailedException
exceptionWithPath: path
mode: mode
errNo: errNo];
}
[openHandles addItem: &handle.handle];
handle.index = [openHandles count] - 1;
if (handle.append) {
if (Seek64(handle.handle, 0, OFFSET_END) == -1) {
closeHandle(handle);
@throw [OFOpenItemFailedException
exceptionWithPath: path
mode: mode
errNo: EIO];
}
if (handle->append) {
if (Seek64(handle->handle, 0,
OFFSET_END) == -1) {
Close(handle->handle);
@throw [OFOpenItemFailedException
exceptionWithPath: path
mode: mode
errNo: EIO];
}
}
handle->previous = NULL;
handle->next = firstHandle;
if (firstHandle != NULL)
firstHandle->previous = handle;
firstHandle = handle;
} @catch (id e) {
free(handle);
@throw e;
}
#endif
objc_autoreleasePoolPop(pool);
} @catch (id e) {
[self release];
@throw e;
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_handle = handle;
return self;
}
- (bool)lowlevelIsAtEndOfStream
{
if (!OF_FILE_HANDLE_IS_VALID(_handle))
if (_handle == OF_INVALID_FILE_HANDLE)
@throw [OFNotOpenException exceptionWithObject: self];
return _atEndOfStream;
}
- (size_t)lowlevelReadIntoBuffer: (void *)buffer
length: (size_t)length
{
ssize_t ret;
if (!OF_FILE_HANDLE_IS_VALID(_handle))
if (_handle == OF_INVALID_FILE_HANDLE)
@throw [OFNotOpenException exceptionWithObject: self];
#if defined(OF_WINDOWS)
if (length > UINT_MAX)
@throw [OFOutOfRangeException exception];
if ((ret = read(_handle, buffer, (unsigned int)length)) < 0)
@throw [OFReadFailedException exceptionWithObject: self
requestedLength: length
errNo: errno];
#elif defined(OF_MORPHOS)
if (length > LONG_MAX)
@throw [OFOutOfRangeException exception];
if ((ret = Read(_handle.handle, buffer, length)) < 0)
if ((ret = Read(_handle->handle, buffer, length)) < 0)
@throw [OFReadFailedException exceptionWithObject: self
requestedLength: length
errNo: EIO];
#else
if ((ret = read(_handle, buffer, length)) < 0)
@throw [OFReadFailedException exceptionWithObject: self
requestedLength: length
errNo: errno];
#endif
if (ret == 0)
_atEndOfStream = true;
return ret;
}
- (void)lowlevelWriteBuffer: (const void *)buffer
length: (size_t)length
{
if (!OF_FILE_HANDLE_IS_VALID(_handle))
if (_handle == OF_INVALID_FILE_HANDLE)
@throw [OFNotOpenException exceptionWithObject: self];
#if defined(OF_WINDOWS)
if (length > INT_MAX)
@throw [OFOutOfRangeException exception];
if (write(_handle, buffer, (int)length) != (int)length)
@throw [OFWriteFailedException exceptionWithObject: self
requestedLength: length
errNo: errno];
#elif defined(OF_MORPHOS)
if (length > LONG_MAX)
@throw [OFOutOfRangeException exception];
if (_handle.append) {
if (Seek64(_handle.handle, 0, OFFSET_END) == -1)
if (_handle->append) {
if (Seek64(_handle->handle, 0, OFFSET_END) == -1)
@throw [OFWriteFailedException
exceptionWithObject: self
requestedLength: length
errNo: EIO];
}
if (Write(_handle.handle, (void *)buffer, length) != (LONG)length)
if (Write(_handle->handle, (void *)buffer, length) != (LONG)length)
@throw [OFWriteFailedException exceptionWithObject: self
requestedLength: length
errNo: EIO];
#else
if (length > SSIZE_MAX)
@throw [OFOutOfRangeException exception];
if (write(_handle, buffer, length) != (ssize_t)length)
@throw [OFWriteFailedException exceptionWithObject: self
requestedLength: length
errNo: errno];
#endif
}
- (of_offset_t)lowlevelSeekToOffset: (of_offset_t)offset
whence: (int)whence
{
of_offset_t ret;
if (!OF_FILE_HANDLE_IS_VALID(_handle))
if (_handle == OF_INVALID_FILE_HANDLE)
@throw [OFNotOpenException exceptionWithObject: self];
#ifndef OF_MORPHOS
# if defined(OF_WINDOWS)
ret = _lseeki64(_handle, offset, whence);
# elif defined(OF_HAVE_OFF64_T)
ret = lseek64(_handle, offset, whence);
# else
ret = lseek(_handle, offset, whence);
# endif
if (ret == -1)
@throw [OFSeekFailedException exceptionWithStream: self
offset: offset
whence: whence
errNo: errno];
#else
switch (whence) {
case SEEK_SET:
ret = Seek64(_handle.handle, offset, OFFSET_BEGINNING);
ret = Seek64(_handle->handle, offset, OFFSET_BEGINNING);
break;
case SEEK_CUR:
ret = Seek64(_handle.handle, offset, OFFSET_CURRENT);
ret = Seek64(_handle->handle, offset, OFFSET_CURRENT);
break;
case SEEK_END:
ret = Seek64(_handle.handle, offset, OFFSET_END);
ret = Seek64(_handle->handle, offset, OFFSET_END);
break;
default:
ret = -1;
break;
}
if (ret == -1)
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