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/* +----------------------------------------------------------------------+ \| Zend Engine \| +----------------------------------------------------------------------+ \| Copyright (c) 1998-2018 Zend Technologies Ltd. (http://www.zend.com) \| +----------------------------------------------------------------------+ \| This source file is subject to version 2.00 of the Zend license, \| \| that is bundled with this package in the file LICENSE, and is \| \| available through the world-wide-web at the following url: \| \| http://www.zend.com/license/2_00.txt. \| \| If you did not receive a copy of the Zend license and are unable to \| \| obtain it through the world-wide-web, please send a note to \| \| license@zend.com so we can mail you a copy immediately. \| +----------------------------------------------------------------------+ \| Authors: Andi Gutmans <andi@zend.com> \| \| Zeev Suraski <zeev@zend.com> \| \| Dmitry Stogov <zeev@zend.com> \| +----------------------------------------------------------------------+ / / $Id$ / #ifndef ZEND_PORTABILITY_H #define ZEND_PORTABILITY_H #ifdef __cplusplus #define BEGIN_EXTERN_C() extern "C" { #define END_EXTERN_C() } #else #define BEGIN_EXTERN_C() #define END_EXTERN_C() #endif / * general definitions / #ifdef ZEND_WIN32 # include "zend_config.w32.h" # define ZEND_PATHS_SEPARATOR ';' #elif defined(NETWARE) # include <zend_config.h> # define ZEND_PATHS_SEPARATOR ';' #elif defined(__riscos__) # include <zend_config.h> # define ZEND_PATHS_SEPARATOR ';' #else # include <zend_config.h> # define ZEND_PATHS_SEPARATOR ':' #endif #include "../TSRM/TSRM.h" #include <stdio.h> #include <assert.h> #ifdef HAVE_UNIX_H # include <unix.h> #endif #ifdef HAVE_STDARG_H # include <stdarg.h> #endif #ifdef HAVE_DLFCN_H # include <dlfcn.h> #endif #ifdef HAVE_LIMITS_H # include <limits.h> #endif #if HAVE_ALLOCA_H && !defined(_ALLOCA_H) # include <alloca.h> #endif #if defined(ZEND_WIN32) #include <intrin.h> #endif #include "zend_range_check.h" / GCC x.y.z supplies __GNUC__ = x and __GNUC_MINOR__ = y / #ifdef __GNUC__ # define ZEND_GCC_VERSION (__GNUC__ 1000 + __GNUC_MINOR__) #else # define ZEND_GCC_VERSION 0 #endif /* Compatibility with non-clang compilers / #ifndef __has_attribute # define __has_attribute(x) 0 #endif #ifndef __has_builtin # define __has_builtin(x) 0 #endif #if defined(ZEND_WIN32) && !defined(__clang__) # define ZEND_ASSUME(c) __assume(c) #elif ((defined(__GNUC__) && ZEND_GCC_VERSION >= 4005) \|\| __has_builtin(__builtin_unreachable)) && PHP_HAVE_BUILTIN_EXPECT # define ZEND_ASSUME(c) do { \ if (__builtin_expect(!(c), 0)) __builtin_unreachable(); \ } while (0) #else # define ZEND_ASSUME(c) #endif #if ZEND_DEBUG # define ZEND_ASSERT(c) assert(c) #else # define ZEND_ASSERT(c) ZEND_ASSUME(c) #endif / Only use this macro if you know for sure that all of the switches values are covered by its case statements / #if ZEND_DEBUG # define EMPTY_SWITCH_DEFAULT_CASE() default: ZEND_ASSERT(0); break; #else # define EMPTY_SWITCH_DEFAULT_CASE() default: ZEND_ASSUME(0); break; #endif #if defined(__GNUC__) && __GNUC__ >= 4 # define ZEND_IGNORE_VALUE(x) (({ __typeof__ (x) __x = (x); (void) __x; })) #else # define ZEND_IGNORE_VALUE(x) ((void) (x)) #endif #define zend_quiet_write(...) ZEND_IGNORE_VALUE(write(__VA_ARGS__)) / all HAVE_XXX test have to be after the include of zend_config above / #if defined(HAVE_LIBDL) && !defined(ZEND_WIN32) # if defined(__has_feature) # if __has_feature(address_sanitizer) # define __SANITIZE_ADDRESS__ # endif # endif # ifndef RTLD_LAZY # define RTLD_LAZY 1 / Solaris 1, FreeBSD's (2.1.7.1 and older) / # endif # ifndef RTLD_GLOBAL # define RTLD_GLOBAL 0 # endif # if defined(RTLD_GROUP) && defined(RTLD_WORLD) && defined(RTLD_PARENT) # define DL_LOAD(libname) dlopen(libname, RTLD_LAZY \| RTLD_GLOBAL \| RTLD_GROUP \| RTLD_WORLD \| RTLD_PARENT) # elif defined(RTLD_DEEPBIND) && !defined(__SANITIZE_ADDRESS__) # define DL_LOAD(libname) dlopen(libname, RTLD_LAZY \| RTLD_GLOBAL \| RTLD_DEEPBIND) # else # define DL_LOAD(libname) dlopen(libname, RTLD_LAZY \| RTLD_GLOBAL) # endif # define DL_UNLOAD dlclose # if defined(DLSYM_NEEDS_UNDERSCORE) # define DL_FETCH_SYMBOL(h,s) dlsym((h), "_" s) # else # define DL_FETCH_SYMBOL dlsym # endif # define DL_ERROR dlerror # define DL_HANDLE void # define ZEND_EXTENSIONS_SUPPORT 1 #elif defined(ZEND_WIN32) # define DL_LOAD(libname) LoadLibrary(libname) # define DL_FETCH_SYMBOL GetProcAddress # define DL_UNLOAD FreeLibrary # define DL_HANDLE HMODULE # define ZEND_EXTENSIONS_SUPPORT 1 #else # define DL_HANDLE void * # define ZEND_EXTENSIONS_SUPPORT 0 #endif /* AIX requires this to be the first thing in the file. / #ifndef __GNUC__ # ifndef HAVE_ALLOCA_H # ifdef _AIX # pragma alloca # else # ifndef alloca / predefined by HP cc +Olibcalls / char alloca(); # endif # endif # endif #endif #if ZEND_GCC_VERSION >= 2096 \|\| __has_attribute(__malloc__) # define ZEND_ATTRIBUTE_MALLOC __attribute__ ((__malloc__)) #else # define ZEND_ATTRIBUTE_MALLOC #endif #if ZEND_GCC_VERSION >= 4003 \|\| __has_attribute(alloc_size) # define ZEND_ATTRIBUTE_ALLOC_SIZE(X) __attribute__ ((alloc_size(X))) # define ZEND_ATTRIBUTE_ALLOC_SIZE2(X,Y) __attribute__ ((alloc_size(X,Y))) #else # define ZEND_ATTRIBUTE_ALLOC_SIZE(X) # define ZEND_ATTRIBUTE_ALLOC_SIZE2(X,Y) #endif /* Format string checks are disabled by default, because we use custom format modifiers (like %p), * which cause a large amount of false positives. You can enable format checks by adding * -DZEND_CHECK_FORMAT_STRINGS to CFLAGS. / #if defined(ZEND_CHECK_FORMAT_STRINGS) && (ZEND_GCC_VERSION >= 2007 \|\| __has_attribute(format)) # define ZEND_ATTRIBUTE_FORMAT(type, idx, first) __attribute__ ((format(type, idx, first))) #else # define ZEND_ATTRIBUTE_FORMAT(type, idx, first) #endif #if defined(ZEND_CHECK_FORMAT_STRINGS) && ((ZEND_GCC_VERSION >= 3001 && !defined(__INTEL_COMPILER)) \|\| __has_attribute(format)) # define ZEND_ATTRIBUTE_PTR_FORMAT(type, idx, first) __attribute__ ((format(type, idx, first))) #else # define ZEND_ATTRIBUTE_PTR_FORMAT(type, idx, first) #endif #if ZEND_GCC_VERSION >= 3001 \|\| __has_attribute(deprecated) # define ZEND_ATTRIBUTE_DEPRECATED __attribute__((deprecated)) #elif defined(ZEND_WIN32) # define ZEND_ATTRIBUTE_DEPRECATED __declspec(deprecated) #else # define ZEND_ATTRIBUTE_DEPRECATED #endif #if defined(__GNUC__) && ZEND_GCC_VERSION >= 4003 # define ZEND_ATTRIBUTE_UNUSED __attribute__((unused)) # define ZEND_ATTRIBUTE_UNUSED_LABEL __attribute__((cold, unused)); # define ZEND_COLD __attribute__((cold)) # define ZEND_HOT __attribute__((hot)) #else # define ZEND_ATTRIBUTE_UNUSED # define ZEND_ATTRIBUTE_UNUSED_LABEL # define ZEND_COLD # define ZEND_HOT #endif #if defined(__GNUC__) && ZEND_GCC_VERSION >= 3004 && defined(__i386__) # define ZEND_FASTCALL __attribute__((fastcall)) #elif defined(_MSC_VER) && defined(_M_IX86) && _MSC_VER == 1700 # define ZEND_FASTCALL __fastcall #elif defined(_MSC_VER) && _MSC_VER >= 1800 && !defined(__clang__) # define ZEND_FASTCALL __vectorcall #else # define ZEND_FASTCALL #endif #ifndef restrict # if defined(__GNUC__) && ZEND_GCC_VERSION >= 3004 # else # define __restrict__ # endif # define restrict __restrict__ #endif #if (defined(__GNUC__) && __GNUC__ >= 3 && !defined(__INTEL_COMPILER) && !defined(DARWIN) && !defined(__hpux) && !defined(_AIX) && !defined(__osf__)) \|\| __has_attribute(noreturn) # define HAVE_NORETURN # define ZEND_NORETURN __attribute__((noreturn)) #elif defined(ZEND_WIN32) # define HAVE_NORETURN # define ZEND_NORETURN __declspec(noreturn) #else # define ZEND_NORETURN #endif #if (defined(__GNUC__) && __GNUC__ >= 3 && !defined(__INTEL_COMPILER) && !defined(DARWIN) && !defined(__hpux) && !defined(_AIX) && !defined(__osf__)) # define HAVE_NORETURN_ALIAS # define HAVE_ATTRIBUTE_WEAK #endif #if ZEND_GCC_VERSION >= 3001 \|\| __has_builtin(__builtin_constant_p) # define HAVE_BUILTIN_CONSTANT_P #endif #ifdef HAVE_BUILTIN_CONSTANT_P # define ZEND_CONST_COND(_condition, _default) \ (__builtin_constant_p(_condition) ? (_condition) : (_default)) #else # define ZEND_CONST_COND(_condition, _default) \ (_default) #endif #if ZEND_DEBUG # define zend_always_inline inline # define zend_never_inline #else # if defined(__GNUC__) # if __GNUC__ >= 3 # define zend_always_inline inline __attribute__((always_inline)) # define zend_never_inline __attribute__((noinline)) # else # define zend_always_inline inline # define zend_never_inline # endif # elif defined(_MSC_VER) # define zend_always_inline __forceinline # define zend_never_inline __declspec(noinline) # else # if __has_attribute(always_inline) # define zend_always_inline inline __attribute__((always_inline)) # else # define zend_always_inline inline # endif # if __has_attribute(noinline) # define zend_never_inline __attribute__((noinline)) # else # define zend_never_inline # endif # endif #endif / ZEND_DEBUG / #if PHP_HAVE_BUILTIN_EXPECT # define EXPECTED(condition) __builtin_expect(!!(condition), 1) # define UNEXPECTED(condition) __builtin_expect(!!(condition), 0) #else # define EXPECTED(condition) (condition) # define UNEXPECTED(condition) (condition) #endif #ifndef XtOffsetOf # if defined(CRAY) \|\| (defined(__ARMCC_VERSION) && !defined(LINUX)) # ifdef __STDC__ # define XtOffset(p_type, field) _Offsetof(p_type, field) # else # ifdef CRAY2 # define XtOffset(p_type, field) \ (sizeof(int)((unsigned int)&(((p_type)NULL)->field))) # else /* !CRAY2 / # define XtOffset(p_type, field) ((unsigned int)&(((p_type)NULL)->field)) # endif / !CRAY2 / # endif / __STDC__ / # else / ! (CRAY \|\| __arm) / # define XtOffset(p_type, field) \ ((zend_long) (((char ) (&(((p_type)NULL)->field))) - ((char ) NULL))) # endif / !CRAY / # ifdef offsetof # define XtOffsetOf(s_type, field) offsetof(s_type, field) # else # define XtOffsetOf(s_type, field) XtOffset(s_type, field) # endif #endif #if (HAVE_ALLOCA \|\| (defined (__GNUC__) && __GNUC__ >= 2)) && !(defined(ZTS) && defined(NETWARE)) && !(defined(ZTS) && defined(HPUX)) && !defined(DARWIN) # define ZEND_ALLOCA_MAX_SIZE (32 * 1024) # define ALLOCA_FLAG(name) \ zend_bool name; # define SET_ALLOCA_FLAG(name) \ name = 1 # define do_alloca_ex(size, limit, use_heap) \ ((use_heap = (UNEXPECTED((size) > (limit)))) ? emalloc(size) : alloca(size)) # define do_alloca(size, use_heap) \ do_alloca_ex(size, ZEND_ALLOCA_MAX_SIZE, use_heap) # define free_alloca(p, use_heap) \ do { if (UNEXPECTED(use_heap)) efree(p); } while (0) #else # define ALLOCA_FLAG(name) # define SET_ALLOCA_FLAG(name) # define do_alloca(p, use_heap) emalloc(p) # define free_alloca(p, use_heap) efree(p) #endif #ifdef HAVE_SIGSETJMP # define SETJMP(a) sigsetjmp(a, 0) # define LONGJMP(a,b) siglongjmp(a, b) # define JMP_BUF sigjmp_buf #else # define SETJMP(a) setjmp(a) # define LONGJMP(a,b) longjmp(a, b) # define JMP_BUF jmp_buf #endif #if ZEND_DEBUG # define ZEND_FILE_LINE_D const char __zend_filename, const uint __zend_lineno # define ZEND_FILE_LINE_DC , ZEND_FILE_LINE_D # define ZEND_FILE_LINE_ORIG_D const char __zend_orig_filename, const uint __zend_orig_lineno # define ZEND_FILE_LINE_ORIG_DC , ZEND_FILE_LINE_ORIG_D # define ZEND_FILE_LINE_RELAY_C __zend_filename, __zend_lineno # define ZEND_FILE_LINE_RELAY_CC , ZEND_FILE_LINE_RELAY_C # define ZEND_FILE_LINE_C __FILE__, __LINE__ # define ZEND_FILE_LINE_CC , ZEND_FILE_LINE_C # define ZEND_FILE_LINE_EMPTY_C NULL, 0 # define ZEND_FILE_LINE_EMPTY_CC , ZEND_FILE_LINE_EMPTY_C # define ZEND_FILE_LINE_ORIG_RELAY_C __zend_orig_filename, __zend_orig_lineno # define ZEND_FILE_LINE_ORIG_RELAY_CC , ZEND_FILE_LINE_ORIG_RELAY_C #else # define ZEND_FILE_LINE_D # define ZEND_FILE_LINE_DC # define ZEND_FILE_LINE_ORIG_D # define ZEND_FILE_LINE_ORIG_DC # define ZEND_FILE_LINE_RELAY_C # define ZEND_FILE_LINE_RELAY_CC # define ZEND_FILE_LINE_C # define ZEND_FILE_LINE_CC # define ZEND_FILE_LINE_EMPTY_C # define ZEND_FILE_LINE_EMPTY_CC # define ZEND_FILE_LINE_ORIG_RELAY_C # define ZEND_FILE_LINE_ORIG_RELAY_CC #endif /* ZEND_DEBUG / #if ZEND_DEBUG # define Z_DBG(expr) (expr) #else # define Z_DBG(expr) #endif #ifdef ZTS # define ZTS_V 1 #else # define ZTS_V 0 #endif #ifndef LONG_MAX # define LONG_MAX 2147483647L #endif #ifndef LONG_MIN # define LONG_MIN (- LONG_MAX - 1) #endif #define MAX_LENGTH_OF_DOUBLE 32 #undef MIN #undef MAX #define MAX(a, b) (((a)>(b))?(a):(b)) #define MIN(a, b) (((a)<(b))?(a):(b)) #define ZEND_STRL(str) (str), (sizeof(str)-1) #define ZEND_STRS(str) (str), (sizeof(str)) #define ZEND_NORMALIZE_BOOL(n) \ ((n) ? (((n)<0) ? -1 : 1) : 0) #define ZEND_TRUTH(x) ((x) ? 1 : 0) #define ZEND_LOG_XOR(a, b) (ZEND_TRUTH(a) ^ ZEND_TRUTH(b)) #define ZEND_MAX_RESERVED_RESOURCES 4 / excpt.h on Digital Unix 4.0 defines function_table / #undef function_table #ifdef ZEND_WIN32 #define ZEND_SECURE_ZERO(var, size) RtlSecureZeroMemory((var), (size)) #else #define ZEND_SECURE_ZERO(var, size) memset((var), 0, (size)) #endif / This check should only be used on network socket, not file descriptors / #ifdef ZEND_WIN32 #define ZEND_VALID_SOCKET(sock) (INVALID_SOCKET != (sock)) #else #define ZEND_VALID_SOCKET(sock) ((sock) >= 0) #endif #endif / ZEND_PORTABILITY_H / / * Local variables: * tab-width: 4 * c-basic-offset: 4 * indent-tabs-mode: t * End: */

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