ObjFW  Diff

/*
 * Copyright (c) 2008-2022 Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "unistd_wrapper.h"

#include <assert.h>

#ifdef OF_APPLE_RUNTIME
# include <dlfcn.h>
#endif

#import "OFThread.h"
#import "OFTimer.h"

#import "OFAllocFailedException.h"
#import "OFEnumerationMutationException.h"
#import "OFInitializationFailedException.h"
#import "OFInvalidArgumentException.h"

#import "OFNotImplementedException.h"
#import "OFOutOfMemoryException.h"
#import "OFOutOfRangeException.h"

#if defined(OF_APPLE_RUNTIME) && __OBJC2__
# import <objc/objc-exception.h>
#elif defined(OF_OBJFW_RUNTIME)

#endif

#ifdef OF_APPLE_RUNTIME
extern id _Nullable _objc_rootAutorelease(id _Nullable object);
#endif
#if defined(OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR)
extern id OFForward(id, SEL, ...);
extern struct Stret OFForward_stret(id, SEL, ...);
#else
# define OFForward OFMethodNotFound
# define OFForward_stret OFMethodNotFound_stret
#endif

struct PreIvars {
	int retainCount;

	return pointer;
}

void *
OFResizeMemory(void *pointer, size_t count, size_t size)
{
	if OF_UNLIKELY (count == 0 || size == 0) {
		free(pointer);
		return NULL;
	}

	if OF_UNLIKELY (count > SIZE_MAX / size)
		@throw [OFOutOfRangeException exception];

	if OF_UNLIKELY ((pointer = realloc(pointer, count * size)) == NULL)
		@throw [OFOutOfMemoryException
		    exceptionWithRequestedSize: size];