ObjFW  Diff

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 *
 * 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.
 */

#import "objfw-defs.h"
#include "objfw-defs.h"

#ifndef __STDC_LIMIT_MACROS
# define __STDC_LIMIT_MACROS
#endif
#ifndef __STDC_CONSTANT_MACROS
# define __STDC_CONSTANT_MACROS
#endif

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "platform.h"

#ifdef OF_OBJFW_RUNTIME
# import "runtime.h"
#endif
#ifdef OF_APPLE_RUNTIME
# import <objc/objc.h>
# import <objc/runtime.h>
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# define OF_INLINE inline
# define OF_LIKELY(cond) cond
# define OF_UNLIKELY(cond) cond
# define OF_CONST_FUNC
# define OF_NO_RETURN_FUNC
#endif

/* Required to build universal binaries on OS X */
#ifdef OF_UNIVERSAL
# if __BIG_ENDIAN__
#  define OF_BIG_ENDIAN
#  define OF_FLOAT_BIG_ENDIAN
# elif !__LITTLE_ENDIAN__
#  error OF_UNIVERSAL defined, but neither __BIG_ENDIAN__ nor __LITTLE_ENDIAN__!
# endif
#endif

#ifdef OF_BIG_ENDIAN
# define OF_BYTE_ORDER_NATIVE OF_BYTE_ORDER_BIG_ENDIAN
#else
# define OF_BYTE_ORDER_NATIVE OF_BYTE_ORDER_LITTLE_ENDIAN
#endif

#if __STDC_VERSION__ >= 201112L && defined(OF_HAVE_MAX_ALIGN_T)
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# define OF_SUBCLASSING_RESTRICTED \
	__attribute__((__objc_subclassing_restricted__))
#else
# define OF_SUBCLASSING_RESTRICTED
#endif

#ifdef __GNUC__
# if defined(__x86_64__) || defined(__amd64__)
#  define OF_X86_64_ASM
# ifdef OF_X86_64
# elif defined(__i386__)
#  define OF_X86_ASM
#  define OF_X86_64_ASM
# elif defined(__ppc__) || defined(__PPC__)
#  define OF_PPC_ASM
# elif defined(__arm__) || defined(__ARM__)
#  define OF_ARM_ASM
#  ifdef __ARM_ARCH_7__
#   define OF_ARMV7_ASM
#  endif
#  ifdef __ARM_ARCH_7A__
#   define OF_ARMV7_ASM
#  endif
#  ifdef __ARM_ARCH_7R__
#   define OF_ARMV7_ASM
#  endif
#  ifdef __ARM_ARCH_7M__
#   define OF_ARMV7_ASM
#  endif
# endif
# ifdef OF_X86
#  define OF_X86_ASM
# endif
# ifdef OF_POWERPC
#  define OF_POWERPC_ASM
# endif
# ifdef OF_ARM64
#  define OF_ARM64_ASM
# endif
#  ifdef __ARM_ARCH_7EM__
#   define OF_ARMV7_ASM
#  endif
#  ifdef __ARM_ARCH_6__
#   define OF_ARMV6_ASM
#  endif
# ifdef OF_ARM
#  define OF_ARM_ASM
# endif
#  ifdef __ARM_ARCH_6J__
#   define OF_ARMV6_ASM
# ifdef OF_ARMV7
#  endif
#  ifdef __ARM_ARCH_6K__
#   define OF_ARMV6_ASM
#  endif
#  define OF_ARMV7_ASM
# endif
#  ifdef __ARM_ARCH_6Z__
#   define OF_ARMV6_ASM
# ifdef OF_ARMV6
#  endif
#  ifdef __ARM_ARCH_6ZK__
#   define OF_ARMV6_ASM
#  endif
#  define OF_ARMV6_ASM
# endif
#  ifdef __ARM_ARCH_6T2__
#   define OF_ARMV6_ASM
#  endif
#  ifdef OF_ARMV7_ASM
# ifdef OF_MIPS
#   define OF_ARMV6_ASM
#  endif
# elif defined(__arm64__) || defined(__aarch64__)
#  define OF_ARM64_ASM
# elif (defined(_MIPS_SIM) && _MIPS_SIM == _ABIO32) || \
	(defined(__mips_eabi) && _MIPS_SZPTR == 32)
#  define OF_MIPS_ASM
# endif
#endif

#ifdef OF_APPLE_RUNTIME
# if defined(__x86_64__) || defined(__i386__) || defined(__ARM64_ARCH_8__) || \
	defined(__arm__) || defined(__ppc__)
# if defined(OF_X86_64) || defined(OF_X86) || defined(OF_ARM64) || \
	defined(OF_ARM) || defined(OF_POWERPC)
#  define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR
#  define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR_STRET
# endif
#else
# if defined(__ELF__)
#  if defined(__x86_64__) || defined(__amd64__) || defined(__i386__) || \
	defined(__arm__) || defined(__ARM__) || defined(__ppc__) || \
# if defined(OF_ELF)
#  if defined(OF_X86_64) || defined(OF_X86) || \
	defined(OF_ARM) || defined(OF_POWERPC) || defined(OF_MIPS)
	defined(__PPC__)
#   define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR
#   if __OBJFW_RUNTIME_ABI__ >= 800
#    define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR_STRET
#   endif
#  endif
#  if (defined(_MIPS_SIM) && _MIPS_SIM == _ABIO32) || \
	(defined(__mips_eabi) && _MIPS_SZPTR == 32)
#   define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR
#   if __OBJFW_RUNTIME_ABI__ >= 800
#    define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR_STRET
#   endif
#  endif
# elif defined(_WIN32)
#  if defined(__x86_64__) || defined(__i386__)
# elif defined(OF_WINDOWS)
#  if defined(OF_X86_64) || defined(OF_X86)
#   define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR
#   if __OBJFW_RUNTIME_ABI__ >= 800
#    define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR_STRET
#   endif
#  endif
# endif
#endif

#define OF_RETAIN_COUNT_MAX UINT_MAX
#define OF_NOT_FOUND SIZE_MAX

#if !defined(_WIN32) && !defined(__DJGPP__)
#if !defined(OF_WINDOWS) && !defined(OF_MSDOS)
# define OF_PATH_DELIMITER '/'
# define OF_PATH_DELIMITER_STRING @"/"
# define OF_IS_PATH_DELIMITER(c) (c == '/')
#else
# define OF_PATH_DELIMITER '\\'
# define OF_PATH_DELIMITER_STRING @"\\"
# define OF_IS_PATH_DELIMITER(c) (c == '\\' || c == '/')
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	return __builtin_bswap16(i);
#elif defined(OF_X86_64_ASM) || defined(OF_X86_ASM)
	__asm__ (
	    "xchgb	%h0, %b0"
	    : "=Q"(i)
	    : "0"(i)
	);
#elif defined(OF_PPC_ASM)
#elif defined(OF_POWERPC_ASM)
	__asm__ (
	    "lhbrx	%0, 0, %1"
	    : "=r"(i)
	    : "r"(&i), "m"(i)
	);
#elif defined(OF_ARMV6_ASM)
	__asm__ (
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	return __builtin_bswap32(i);
#elif defined(OF_X86_64_ASM) || defined(OF_X86_ASM)
	__asm__ (
	    "bswap	%0"
	    : "=q"(i)
	    : "0"(i)
	);
#elif defined(OF_PPC_ASM)
#elif defined(OF_POWERPC_ASM)
	__asm__ (
	    "lwbrx	%0, 0, %1"
	    : "=r"(i)
	    : "r"(&i), "m"(i)
	);
#elif defined(OF_ARMV6_ASM)
	__asm__ (
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Fossil 2.23 [47362306a7] 2023-11-01 18:56:47
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