ObjFW  Check-in [1ffd8f9f16]

# define BOOL EXEC_BOOL
# include <proto/dos.h>
# undef BOOL
# define OF_INVALID_FILE_HANDLE ((of_file_handle_t){ 0, false })
# define OF_FILE_HANDLE_IS_VALID(h) (h.handle != 0)
typedef struct of_file_handle_t {
	BPTR handle;
	size_t index;
	bool append;
} of_file_handle_t;
#endif

OF_ASSUME_NONNULL_BEGIN

/*!

 * 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.
 */

#include "config.h"

#include <assert.h>
#include <errno.h>

#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
#include "unistd_wrapper.h"

#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif

#import "OFFile.h"
#import "OFString.h"
#import "OFLocalization.h"
#import "OFDataArray.h"

#import "OFInitializationFailedException.h"
#import "OFInvalidArgumentException.h"
#import "OFOpenItemFailedException.h"
#import "OFOutOfRangeException.h"
#import "OFReadFailedException.h"
#import "OFSeekFailedException.h"

#endif
#ifndef O_EXCL
# define O_EXCL 0
#endif
#ifndef O_EXLOCK
# define O_EXLOCK 0
#endif

#if !defined(OF_MORPHOS) || defined(OF_IXEMUL)
# define closeHandle(h) close(h)
#else
static OFDataArray *openHandles = nil;

static void
closeHandle(of_file_handle_t handle)
{
	if (handle.index != SIZE_MAX) {
		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];
	}

	Close(handle.handle);
}

OF_DESTRUCTOR()
{
	BPTR *handles = [openHandles items];
	size_t count = [openHandles count];

	for (size_t i = 0; i < count; i++)
		Close(handles[i]);
}
#endif

#if !defined(OF_MORPHOS) || defined(OF_IXEMUL)
static int
parseMode(const char *mode)
{
	if (strcmp(mode, "r") == 0)
		return O_RDONLY;

#endif

@implementation OFFile
+ (void)initialize
{
	if (self != [OFFile class])
		return;

#if defined(OF_MORPHOS) && !defined(OF_IXEMUL)
	openHandles = [[OFDataArray alloc] initWithItemSize: sizeof(BPTR)];
#endif

#ifdef OF_WII
	if (!fatInitDefault())
		@throw [OFInitializationFailedException
		    exceptionWithClass: self];
#endif

		    [OFLocalization encoding]], flags, 0666)) == -1)
# endif
			@throw [OFOpenItemFailedException
			    exceptionWithPath: path
					 mode: mode
					errNo: errno];
#else
		handle.index = SIZE_MAX;

		if ((flags = parseMode([mode UTF8String],
		    &handle.append)) == -1)
			@throw [OFInvalidArgumentException exception];

		if ((handle.handle = Open([path cStringWithEncoding:
		    [OFLocalization encoding]], flags)) == 0)
			@throw [OFOpenItemFailedException
			    exceptionWithPath: path
					 mode: mode];

		[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];
			}
		}
#endif

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

	@try {
		self = [self initWithHandle: handle];
	} @catch (id e) {

		closeHandle(handle);



		@throw e;
	}

	return self;
}

- initWithHandle: (of_file_handle_t)handle

	return _handle;
}
#endif

- (void)close
{
	if (OF_FILE_HANDLE_IS_VALID(_handle))

		closeHandle(_handle);




	_handle = OF_INVALID_FILE_HANDLE;

	[super close];
}

- (void)dealloc
{
	[self close];

	[super dealloc];
}
@end