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#ifndef O_EXLOCK
# define O_EXLOCK 0
#endif
#ifndef OF_AMIGAOS
# define closeHandle(h) close(h)
#else
static struct of_file_handle {
of_file_handle_t previous, next;
static struct _OFFileHandle
struct _OFFileHandle *previous, *next;
BPTR handle;
bool append;
} *firstHandle = NULL;
static void
closeHandle(of_file_handle_t handle)
closeHandle(OFFileHandle handle)
{
Close(handle->handle);
if (handle->previous != NULL)
handle->previous->next = handle->next;
if (handle->next != NULL)
handle->next->previous = handle->previous;
if (firstHandle == handle)
firstHandle = handle->next;
free(handle);
OFFreeMemory(handle);
}
OF_DESTRUCTOR()
{
for (of_file_handle_t iter = firstHandle; iter != NULL;
for (OFFileHandle iter = firstHandle; iter != NULL;
iter = iter->next)
Close(iter->handle);
}
#endif
#ifndef OF_AMIGAOS
static int
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}
+ (instancetype)fileWithURL: (OFURL *)URL mode: (OFString *)mode
{
return [[[self alloc] initWithURL: URL mode: mode] autorelease];
}
+ (instancetype)fileWithHandle: (of_file_handle_t)handle
+ (instancetype)fileWithHandle: (OFFileHandle)handle
{
return [[[self alloc] initWithHandle: handle] autorelease];
}
- (instancetype)init
{
OF_INVALID_INIT_METHOD
}
- (instancetype)initWithPath: (OFString *)path mode: (OFString *)mode
{
of_file_handle_t handle;
OFFileHandle handle;
@try {
void *pool = objc_autoreleasePoolPush();
int flags;
#ifndef OF_AMIGAOS
if ((flags = parseMode(mode.UTF8String)) == -1)
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if (handle == -1)
@throw [OFOpenItemFailedException
exceptionWithPath: path
mode: mode
errNo: errno];
#else
handle = of_alloc(1, sizeof(*handle));
handle = OFAllocMemory(1, sizeof(*handle));
@try {
if ((flags = parseMode(mode.UTF8String,
&handle->append)) == -1)
@throw [OFInvalidArgumentException exception];
if ((handle->handle = Open([path cStringWithEncoding:
[OFLocale encoding]], flags)) == 0) {
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handle->next = firstHandle;
if (firstHandle != NULL)
firstHandle->previous = handle;
firstHandle = handle;
} @catch (id e) {
free(handle);
OFFreeMemory(handle);
@throw e;
}
#endif
objc_autoreleasePoolPop(pool);
} @catch (id e) {
[self release];
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self = [self initWithPath: fileSystemRepresentation mode: mode];
objc_autoreleasePoolPop(pool);
return self;
}
- (instancetype)initWithHandle: (of_file_handle_t)handle
- (instancetype)initWithHandle: (OFFileHandle)handle
{
self = [super init];
_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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bytesWritten: 0
errNo: errno];
#endif
return (size_t)bytesWritten;
}
- (of_offset_t)lowlevelSeekToOffset: (of_offset_t)offset whence: (int)whence
- (OFFileOffset)lowlevelSeekToOffset: (OFFileOffset)offset whence: (int)whence
{
of_offset_t ret;
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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