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2104bea5d7
php-src/Zend/zend_portability.h
Kalle Sommer Nielsen 2104bea5d7 Remove Netware support 
If this does not break the Unix system somehow, I'll be amazed. This should get most of it out, apologies for any errors this may cause on non-Windows ends which I cannot test atm.
2016-11-12 11:20:01 +01:00

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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2016 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(__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>
#include <math.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
/* all HAVE_XXX test have to be after the include of zend_config above */
#if defined(HAVE_LIBDL) && !defined(ZEND_WIN32)
# 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)
# 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
#if defined(__GNUC__) && ZEND_GCC_VERSION >= 3004
#else
# define __restrict__
#endif
#define restrict __restrict__
#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(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))
/* We always define a function, even if there's a macro or expression we could
* alias, so that using it in contexts where we can't make function calls
* won't fail to compile on some machines and not others.
*/
static zend_always_inline double _zend_get_inf(void) /* {{{ */
{
#ifdef INFINITY
return INFINITY;
#elif HAVE_HUGE_VAL_INF
return HUGE_VAL;
#elif defined(__i386__) || defined(_X86_) || defined(ALPHA) || defined(_ALPHA) || defined(__alpha)
# define _zend_DOUBLE_INFINITY_HIGH 0x7ff00000
double val = 0.0;
((uint32_t*)&val)[1] = _zend_DOUBLE_INFINITY_HIGH;
((uint32_t*)&val)[0] = 0;
return val;
#elif HAVE_ATOF_ACCEPTS_INF
return atof("INF");
#else
return 1.0/0.0;
#endif
} /* }}} */
#define ZEND_INFINITY (_zend_get_inf())
static zend_always_inline double _zend_get_nan(void) /* {{{ */
{
#ifdef NAN
return NAN;
#elif HAVE_HUGE_VAL_NAN
return HUGE_VAL + -HUGE_VAL;
#elif defined(__i386__) || defined(_X86_) || defined(ALPHA) || defined(_ALPHA) || defined(__alpha)
# define _zend_DOUBLE_QUIET_NAN_HIGH 0xfff80000
double val = 0.0;
((uint32_t*)&val)[1] = _zend_DOUBLE_QUIET_NAN_HIGH;
((uint32_t*)&val)[0] = 0;
return val;
#elif HAVE_ATOF_ACCEPTS_NAN
return atof("NAN");
#else
return 0.0/0.0;
#endif
} /* }}} */
#define ZEND_NAN (_zend_get_nan())
#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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