mirror of
https://github.com/php/php-src.git
synced 2024-12-11 10:54:47 +08:00
630 lines
18 KiB
C
630 lines
18 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) 1998-2003 Zend Technologies Ltd. (http://www.zend.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.00 of the Zend license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.zend.com/license/2_00.txt. |
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| If you did not receive a copy of the Zend license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@zend.com so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Andi Gutmans <andi@zend.com> |
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| Zeev Suraski <zeev@zend.com> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#ifndef ZEND_H
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#define ZEND_H
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#define ZEND_VERSION "2.0.0-dev"
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#define ZEND_ENGINE_2
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#ifdef __cplusplus
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#define BEGIN_EXTERN_C() extern "C" {
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#define END_EXTERN_C() }
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#else
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#define BEGIN_EXTERN_C()
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#define END_EXTERN_C()
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#endif
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#include <stdio.h>
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/*
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* general definitions
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*/
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#ifdef ZEND_WIN32
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# include "zend_config.w32.h"
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# define ZEND_PATHS_SEPARATOR ';'
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#elif defined(NETWARE)
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# include "zend_config.nw.h"
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# include "acconfig.h"
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#elif defined(__riscos__)
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# include "zend_config.h"
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# define ZEND_PATHS_SEPARATOR ';'
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#else
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# include "zend_config.h"
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# define ZEND_PATHS_SEPARATOR ':'
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#endif
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#ifdef ZEND_WIN32
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/* Only use this macro if you know for sure that all of the switches values
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are covered by its case statements */
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#define EMPTY_SWITCH_DEFAULT_CASE() \
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default: \
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__assume(0); \
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break;
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#else
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#define EMPTY_SWITCH_DEFAULT_CASE()
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#endif
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/* all HAVE_XXX test have to be after the include of zend_config above */
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#ifdef HAVE_UNIX_H
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# include <unix.h>
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#endif
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#ifdef HAVE_STDARG_H
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# include <stdarg.h>
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#endif
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#ifdef HAVE_DLFCN_H
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# include <dlfcn.h>
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#endif
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#if HAVE_MACH_O_DYLD_H
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#include <mach-o/dyld.h>
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/* MH_BUNDLE loading functions for Mac OS X / Darwin */
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void *zend_mh_bundle_load (char* bundle_path);
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int zend_mh_bundle_unload (void *bundle_handle);
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void *zend_mh_bundle_symbol(void *bundle_handle, const char *symbol_name);
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const char *zend_mh_bundle_error(void);
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#endif /* HAVE_MACH_O_DYLD_H */
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#if defined(HAVE_LIBDL)
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# ifndef RTLD_LAZY
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# define RTLD_LAZY 1 /* Solaris 1, FreeBSD's (2.1.7.1 and older) */
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# endif
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# ifndef RTLD_GLOBAL
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# define RTLD_GLOBAL 0
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# endif
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# define DL_LOAD(libname) dlopen(libname, RTLD_LAZY | RTLD_GLOBAL)
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# define DL_UNLOAD dlclose
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# if defined(DLSYM_NEEDS_UNDERSCORE)
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# define DL_FETCH_SYMBOL(h,s) dlsym((h), "_" s)
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# else
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# define DL_FETCH_SYMBOL dlsym
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# endif
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# define DL_ERROR dlerror
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# define DL_HANDLE void *
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# define ZEND_EXTENSIONS_SUPPORT 1
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#elif defined(HAVE_MACH_O_DYLD_H)
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# define DL_LOAD(libname) zend_mh_bundle_load(libname)
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# define DL_UNLOAD(handle) zend_mh_bundle_unload(handle)
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# define DL_FETCH_SYMBOL(h,s) zend_mh_bundle_symbol(h,s)
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# define DL_ERROR zend_mh_bundle_error
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# define DL_HANDLE void *
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# define ZEND_EXTENSIONS_SUPPORT 1
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#elif defined(ZEND_WIN32)
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# define DL_LOAD(libname) LoadLibrary(libname)
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# define DL_FETCH_SYMBOL GetProcAddress
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# define DL_UNLOAD FreeLibrary
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# define DL_HANDLE HMODULE
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# define ZEND_EXTENSIONS_SUPPORT 1
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#else
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# define DL_HANDLE void *
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# define ZEND_EXTENSIONS_SUPPORT 0
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#endif
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#if HAVE_ALLOCA_H && !defined(_ALLOCA_H)
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# include <alloca.h>
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#endif
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/* AIX requires this to be the first thing in the file. */
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#ifndef __GNUC__
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# ifndef HAVE_ALLOCA_H
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# ifdef _AIX
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#pragma alloca
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# else
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# ifndef alloca /* predefined by HP cc +Olibcalls */
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char *alloca ();
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# endif
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# endif
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# endif
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#endif
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#ifdef __GNUC__
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# define ZEND_GCC_VERSION (__GNUC__ * 1000 + __GNUC_MINOR__)
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#else
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# define ZEND_GCC_VERSION 0
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#endif
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#if ZEND_GCC_VERSION >= 2096
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# define ZEND_ATTRIBUTE_MALLOC __attribute__ ((__malloc__))
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#else
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# define ZEND_ATTRIBUTE_MALLOC
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#endif
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#if ZEND_GCC_VERSION >= 2007
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# define ZEND_ATTRIBUTE_FORMAT(type, idx, first) __attribute__ ((format(type, idx, first)))
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#else
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# define ZEND_ATTRIBUTE_FORMAT(type, idx, first)
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#endif
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#if ZEND_GCC_VERSION >= 3002
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# define ZEND_ATTRIBUTE_PTR_FORMAT(type, idx, first) __attribute__ ((format(type, idx, first)))
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#else
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# define ZEND_ATTRIBUTE_PTR_FORMAT(type, idx, first)
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#endif
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#if (HAVE_ALLOCA || (defined (__GNUC__) && __GNUC__ >= 2)) && !(defined(ZTS) && defined(ZEND_WIN32)) && !(defined(ZTS) && defined(NETWARE)) && !(defined(ZTS) && defined(HPUX)) && !defined(__darwin__) && !defined(__APPLE__)
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# define do_alloca(p) alloca(p)
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# define free_alloca(p)
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#else
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# define do_alloca(p) emalloc(p)
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# define free_alloca(p) efree(p)
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#endif
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#if ZEND_DEBUG
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#define ZEND_FILE_LINE_D char *__zend_filename, uint __zend_lineno
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#define ZEND_FILE_LINE_DC , ZEND_FILE_LINE_D
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#define ZEND_FILE_LINE_ORIG_D char *__zend_orig_filename, uint __zend_orig_lineno
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#define ZEND_FILE_LINE_ORIG_DC , ZEND_FILE_LINE_ORIG_D
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#define ZEND_FILE_LINE_RELAY_C __zend_filename, __zend_lineno
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#define ZEND_FILE_LINE_RELAY_CC , ZEND_FILE_LINE_RELAY_C
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#define ZEND_FILE_LINE_C __FILE__, __LINE__
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#define ZEND_FILE_LINE_CC , ZEND_FILE_LINE_C
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#define ZEND_FILE_LINE_EMPTY_C NULL, 0
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#define ZEND_FILE_LINE_EMPTY_CC , ZEND_FILE_LINE_EMPTY_C
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#define ZEND_FILE_LINE_ORIG_RELAY_C __zend_orig_filename, __zend_orig_lineno
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#define ZEND_FILE_LINE_ORIG_RELAY_CC , ZEND_FILE_LINE_ORIG_RELAY_C
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#else
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#define ZEND_FILE_LINE_D
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#define ZEND_FILE_LINE_DC
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#define ZEND_FILE_LINE_ORIG_D
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#define ZEND_FILE_LINE_ORIG_DC
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#define ZEND_FILE_LINE_RELAY_C
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#define ZEND_FILE_LINE_RELAY_CC
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#define ZEND_FILE_LINE_C
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#define ZEND_FILE_LINE_CC
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#define ZEND_FILE_LINE_EMPTY_C
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#define ZEND_FILE_LINE_EMPTY_CC
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#define ZEND_FILE_LINE_ORIG_RELAY_C
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#define ZEND_FILE_LINE_ORIG_RELAY_CC
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#endif /* ZEND_DEBUG */
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#ifdef ZTS
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#define ZTS_V 1
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#else
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#define ZTS_V 0
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#endif
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#include "zend_errors.h"
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#include "zend_alloc.h"
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#include "zend_types.h"
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#ifdef HAVE_LIMITS_H
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# include <limits.h>
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#endif
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#ifndef LONG_MAX
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#define LONG_MAX 2147483647L
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#endif
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#ifndef LONG_MIN
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#define LONG_MIN (- LONG_MAX - 1)
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#endif
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#undef SUCCESS
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#undef FAILURE
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#define SUCCESS 0
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#define FAILURE -1 /* this MUST stay a negative number, or it may affect functions! */
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#include "zend_hash.h"
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#include "zend_ts_hash.h"
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#include "zend_llist.h"
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#define INTERNAL_FUNCTION_PARAMETERS int ht, zval *return_value, zval *this_ptr, int return_value_used TSRMLS_DC
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#define INTERNAL_FUNCTION_PARAM_PASSTHRU ht, return_value, this_ptr, return_value_used TSRMLS_CC
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/*
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* zval
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*/
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typedef struct _zval_struct zval;
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typedef struct _zend_class_entry zend_class_entry;
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typedef struct _zend_object {
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zend_class_entry *ce;
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HashTable *properties;
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unsigned int in_get:1;
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unsigned int in_set:1;
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} zend_object;
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typedef unsigned int zend_object_handle;
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typedef struct _zend_object_value zend_object_value;
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#include "zend_object_handlers.h"
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struct _zend_object_value {
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zend_object_handle handle;
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zend_object_handlers *handlers;
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};
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typedef union _zvalue_value {
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long lval; /* long value */
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double dval; /* double value */
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struct {
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char *val;
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int len;
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} str;
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HashTable *ht; /* hash table value */
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zend_object_value obj;
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} zvalue_value;
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struct _zval_struct {
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/* Variable information */
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zvalue_value value; /* value */
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zend_uint refcount;
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zend_uchar type; /* active type */
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zend_uchar is_ref;
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};
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typedef struct _zend_property_reference {
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int type; /* read, write or r/w */
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zval *object;
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zend_llist *elements_list;
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} zend_property_reference;
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typedef struct _zend_overloaded_element {
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int type; /* array offset or object proprety */
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zval element;
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} zend_overloaded_element;
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/* excpt.h on Digital Unix 4.0 defines function_table */
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#undef function_table
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/* A lot of stuff needs shifiting around in order to include zend_compile.h here */
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union _zend_function;
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#define ZEND_CE_ABSTRACT ZEND_ACC_ABSTRACT /* same as ZEND_ACC_ABSTRACT */
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#include "zend_iterators.h"
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struct _zend_class_entry {
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char type;
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char *name;
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zend_uint name_length;
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struct _zend_class_entry *parent;
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int refcount;
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zend_bool constants_updated;
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zend_uint ce_flags;
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HashTable function_table;
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HashTable default_properties;
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HashTable properties_info;
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HashTable *static_members;
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HashTable constants_table;
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struct _zend_function_entry *builtin_functions;
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union _zend_function *constructor;
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union _zend_function *destructor;
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union _zend_function *clone;
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union _zend_function *__get;
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union _zend_function *__set;
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union _zend_function *__call;
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zend_class_iterator_funcs iterator_funcs;
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/* handlers */
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zend_object_value (*create_object)(zend_class_entry *class_type TSRMLS_DC);
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zend_object_iterator *(*get_iterator)(zend_class_entry *ce, zval *object TSRMLS_DC);
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int (*interface_gets_implemented)(zend_class_entry *iface, zend_class_entry *class_type TSRMLS_DC); /* a class implements this interface */
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zend_class_entry **interfaces;
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zend_uint num_interfaces;
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char *filename;
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zend_uint line_start;
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zend_uint line_end;
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char *doc_comment;
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zend_uint doc_comment_len;
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/* old handlers */
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#if 0
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void (*handle_function_call)(INTERNAL_FUNCTION_PARAMETERS, zend_property_reference *property_reference);
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zval (*handle_property_get)(zend_property_reference *property_reference);
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int (*handle_property_set)(zend_property_reference *property_reference, zval *value);
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#endif
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};
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#include "zend_stream.h"
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typedef struct _zend_utility_functions {
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void (*error_function)(int type, const char *error_filename, const uint error_lineno, const char *format, va_list args) ZEND_ATTRIBUTE_PTR_FORMAT(printf, 4, 0);
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int (*printf_function)(const char *format, ...) ZEND_ATTRIBUTE_PTR_FORMAT(printf, 1, 2);
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int (*write_function)(const char *str, uint str_length);
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FILE *(*fopen_function)(const char *filename, char **opened_path);
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void (*message_handler)(long message, void *data);
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void (*block_interruptions)(void);
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void (*unblock_interruptions)(void);
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int (*get_configuration_directive)(char *name, uint name_length, zval *contents);
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void (*ticks_function)(int ticks);
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void (*on_timeout)(int seconds TSRMLS_DC);
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int (*stream_open_function)(const char *filename, zend_file_handle *handle TSRMLS_DC);
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int (*vspprintf_function)(char **pbuf, size_t max_len, const char *format, va_list ap);
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} zend_utility_functions;
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typedef struct _zend_utility_values {
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char *import_use_extension;
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uint import_use_extension_length;
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zend_bool html_errors;
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} zend_utility_values;
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typedef int (*zend_write_func_t)(const char *str, uint str_length);
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#undef MIN
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#undef MAX
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#define MAX(a, b) (((a)>(b))?(a):(b))
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#define MIN(a, b) (((a)<(b))?(a):(b))
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#define ZEND_STRL(str) (str), (sizeof(str)-1)
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#define ZEND_STRS(str) (str), (sizeof(str)-1)
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#define ZEND_NORMALIZE_BOOL(n) \
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((n) ? (((n)>0) ? 1 : -1) : 0)
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#define ZEND_TRUTH(x) ((x) ? 1 : 0)
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#define ZEND_LOG_XOR(a, b) (ZEND_TRUTH(a) ^ ZEND_TRUTH(b))
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/* data types */
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#define IS_NULL 0
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#define IS_LONG 1
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#define IS_DOUBLE 2
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#define IS_STRING 3
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#define IS_ARRAY 4
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#define IS_OBJECT 5
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#define IS_BOOL 6
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#define IS_RESOURCE 7
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#define IS_CONSTANT 8
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#define IS_CONSTANT_ARRAY 9
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/* Special data type to temporarily mark large numbers */
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#define FLAG_IS_BC 10 /* for parser internal use only */
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/* Ugly hack to support constants as static array indices */
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#define IS_CONSTANT_INDEX 0x80
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/* overloaded elements data types */
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#define OE_IS_ARRAY (1<<0)
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#define OE_IS_OBJECT (1<<1)
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#define OE_IS_METHOD (1<<2)
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int zend_startup(zend_utility_functions *utility_functions, char **extensions, int start_builtin_functions);
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void zend_shutdown(TSRMLS_D);
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void zend_register_standard_ini_entries(TSRMLS_D);
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#ifdef ZTS
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void zend_post_startup(TSRMLS_D);
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#endif
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void zend_set_utility_values(zend_utility_values *utility_values);
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BEGIN_EXTERN_C()
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ZEND_API void _zend_bailout(char *filename, uint lineno);
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END_EXTERN_C()
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#define zend_bailout() _zend_bailout(__FILE__, __LINE__)
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#define zend_try \
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{ \
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jmp_buf orig_bailout; \
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zend_bool orig_bailout_set=EG(bailout_set); \
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\
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EG(bailout_set) = 1; \
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memcpy(&orig_bailout, &EG(bailout), sizeof(jmp_buf)); \
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if (setjmp(EG(bailout))==0)
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#define zend_catch \
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else
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#define zend_end_try() \
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memcpy(&EG(bailout), &orig_bailout, sizeof(jmp_buf)); \
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EG(bailout_set) = orig_bailout_set; \
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}
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#define zend_first_try EG(bailout_set)=0; zend_try
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ZEND_API char *get_zend_version(void);
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ZEND_API void zend_make_printable_zval(zval *expr, zval *expr_copy, int *use_copy);
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ZEND_API int zend_print_zval(zval *expr, int indent);
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ZEND_API int zend_print_zval_ex(zend_write_func_t write_func, zval *expr, int indent);
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ZEND_API void zend_print_zval_r(zval *expr, int indent TSRMLS_DC);
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ZEND_API void zend_print_flat_zval_r(zval *expr TSRMLS_DC);
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ZEND_API void zend_print_zval_r_ex(zend_write_func_t write_func, zval *expr, int indent TSRMLS_DC);
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ZEND_API void zend_output_debug_string(zend_bool trigger_break, char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
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void zend_activate(TSRMLS_D);
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void zend_deactivate(TSRMLS_D);
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void zend_activate_modules(TSRMLS_D);
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void zend_deactivate_modules(TSRMLS_D);
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void zend_exec_finished(TSRMLS_D);
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#if ZEND_DEBUG
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#define Z_DBG(expr) (expr)
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#else
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#define Z_DBG(expr)
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#endif
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ZEND_API extern char *empty_string;
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ZEND_API void free_estring(char **str_p);
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|
|
|
|
#define STR_FREE(ptr) if (ptr && ptr!=empty_string) { efree(ptr); }
|
|
#define STR_FREE_REL(ptr) if (ptr && ptr!=empty_string) { efree_rel(ptr); }
|
|
|
|
#define STR_REALLOC(ptr, size) \
|
|
if (ptr!=empty_string) { \
|
|
ptr = (char *) erealloc(ptr, size); \
|
|
} else { \
|
|
ptr = (char *) emalloc(size); \
|
|
memset(ptr, 0, size); \
|
|
}
|
|
|
|
/* output support */
|
|
#define ZEND_WRITE(str, str_len) zend_write((str), (str_len))
|
|
#define ZEND_PUTS(str) zend_write((str), strlen((str)))
|
|
#define ZEND_PUTC(c) zend_write(&(c), 1), (c)
|
|
|
|
|
|
BEGIN_EXTERN_C()
|
|
extern ZEND_API int (*zend_printf)(const char *format, ...) ZEND_ATTRIBUTE_PTR_FORMAT(printf, 1, 2);
|
|
extern ZEND_API zend_write_func_t zend_write;
|
|
extern ZEND_API FILE *(*zend_fopen)(const char *filename, char **opened_path);
|
|
extern ZEND_API void (*zend_block_interruptions)(void);
|
|
extern ZEND_API void (*zend_unblock_interruptions)(void);
|
|
extern ZEND_API void (*zend_ticks_function)(int ticks);
|
|
extern ZEND_API void (*zend_error_cb)(int type, const char *error_filename, const uint error_lineno, const char *format, va_list args) ZEND_ATTRIBUTE_PTR_FORMAT(printf, 4, 0);
|
|
extern void (*zend_on_timeout)(int seconds TSRMLS_DC);
|
|
extern ZEND_API int (*zend_stream_open_function)(const char *filename, zend_file_handle *handle TSRMLS_DC);
|
|
extern int (*zend_vspprintf)(char **pbuf, size_t max_len, const char *format, va_list ap);
|
|
|
|
|
|
ZEND_API void zend_error(int type, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
|
|
|
|
void zenderror(char *error);
|
|
|
|
/* The following #define is used for code duality in PHP for Engine 1 & 2 */
|
|
#define ZEND_STANDARD_CLASS_DEF_PTR zend_standard_class_def
|
|
extern ZEND_API zend_class_entry *zend_standard_class_def;
|
|
extern ZEND_API zend_utility_values zend_uv;
|
|
extern ZEND_API zval zval_used_for_init;
|
|
|
|
END_EXTERN_C()
|
|
|
|
#define ZEND_UV(name) (zend_uv.name)
|
|
|
|
|
|
#define HANDLE_BLOCK_INTERRUPTIONS() if (zend_block_interruptions) { zend_block_interruptions(); }
|
|
#define HANDLE_UNBLOCK_INTERRUPTIONS() if (zend_unblock_interruptions) { zend_unblock_interruptions(); }
|
|
|
|
BEGIN_EXTERN_C()
|
|
ZEND_API void zend_message_dispatcher(long message, void *data);
|
|
END_EXTERN_C()
|
|
|
|
ZEND_API int zend_get_configuration_directive(char *name, uint name_length, zval *contents);
|
|
|
|
|
|
/* Messages for applications of Zend */
|
|
#define ZMSG_FAILED_INCLUDE_FOPEN 1L
|
|
#define ZMSG_FAILED_REQUIRE_FOPEN 2L
|
|
#define ZMSG_FAILED_HIGHLIGHT_FOPEN 3L
|
|
#define ZMSG_MEMORY_LEAK_DETECTED 4L
|
|
#define ZMSG_MEMORY_LEAK_REPEATED 5L
|
|
#define ZMSG_LOG_SCRIPT_NAME 6L
|
|
#define ZMSG_MEMORY_LEAKS_GRAND_TOTAL 7L
|
|
|
|
|
|
#define ZVAL_ADDREF(pz) (++(pz)->refcount)
|
|
#define ZVAL_DELREF(pz) (--(pz)->refcount)
|
|
#define ZVAL_REFCOUNT(pz) ((pz)->refcount)
|
|
|
|
#define INIT_PZVAL(z) \
|
|
(z)->refcount = 1; \
|
|
(z)->is_ref = 0;
|
|
|
|
#define INIT_ZVAL(z) z = zval_used_for_init;
|
|
|
|
#define ALLOC_INIT_ZVAL(zp) \
|
|
ALLOC_ZVAL(zp); \
|
|
INIT_ZVAL(*zp);
|
|
|
|
#define MAKE_STD_ZVAL(zv) \
|
|
ALLOC_ZVAL(zv); \
|
|
INIT_PZVAL(zv);
|
|
|
|
#define PZVAL_IS_REF(z) ((z)->is_ref)
|
|
|
|
#define SEPARATE_ZVAL(ppzv) \
|
|
{ \
|
|
zval *orig_ptr = *(ppzv); \
|
|
\
|
|
if (orig_ptr->refcount>1) { \
|
|
orig_ptr->refcount--; \
|
|
ALLOC_ZVAL(*(ppzv)); \
|
|
**(ppzv) = *orig_ptr; \
|
|
zval_copy_ctor(*(ppzv)); \
|
|
(*(ppzv))->refcount=1; \
|
|
(*(ppzv))->is_ref = 0; \
|
|
} \
|
|
}
|
|
|
|
#define SEPARATE_ZVAL_IF_NOT_REF(ppzv) \
|
|
if (!PZVAL_IS_REF(*ppzv)) { \
|
|
SEPARATE_ZVAL(ppzv); \
|
|
}
|
|
|
|
#define SEPARATE_ZVAL_TO_MAKE_IS_REF(ppzv) \
|
|
if (!PZVAL_IS_REF(*ppzv)) { \
|
|
SEPARATE_ZVAL(ppzv); \
|
|
(*(ppzv))->is_ref = 1; \
|
|
}
|
|
|
|
#define COPY_PZVAL_TO_ZVAL(zv, pzv) \
|
|
(zv) = *(pzv); \
|
|
if ((pzv)->refcount>1) { \
|
|
zval_copy_ctor(&(zv)); \
|
|
(pzv)->refcount--; \
|
|
} else { \
|
|
FREE_ZVAL(pzv); \
|
|
} \
|
|
INIT_PZVAL(&(zv));
|
|
|
|
#define REPLACE_ZVAL_VALUE(ppzv_dest, pzv_src, copy) { \
|
|
int is_ref, refcount; \
|
|
\
|
|
SEPARATE_ZVAL_IF_NOT_REF(ppzv_dest); \
|
|
is_ref = (*ppzv_dest)->is_ref; \
|
|
refcount = (*ppzv_dest)->refcount; \
|
|
zval_dtor(*ppzv_dest); \
|
|
**ppzv_dest = *pzv_src; \
|
|
if (copy) { \
|
|
zval_copy_ctor(*ppzv_dest); \
|
|
} \
|
|
(*ppzv_dest)->is_ref = is_ref; \
|
|
(*ppzv_dest)->refcount = refcount; \
|
|
}
|
|
|
|
#define ZEND_MAX_RESERVED_RESOURCES 4
|
|
|
|
|
|
#endif /* ZEND_H */
|
|
|
|
/*
|
|
* Local variables:
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* indent-tabs-mode: t
|
|
* End:
|
|
*/
|