mirror of
https://github.com/php/php-src.git
synced 2024-12-12 11:23:53 +08:00
288 lines
11 KiB
C
288 lines
11 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) 1998-2004 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_OPERATORS_H
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#define ZEND_OPERATORS_H
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#include <errno.h>
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#include <math.h>
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#ifdef HAVE_IEEEFP_H
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#include <ieeefp.h>
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#endif
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#if 0&&HAVE_BCMATH
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#include "ext/bcmath/libbcmath/src/bcmath.h"
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#endif
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#define MAX_LENGTH_OF_LONG 20
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#define MAX_LENGTH_OF_DOUBLE 32
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BEGIN_EXTERN_C()
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ZEND_API int add_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
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ZEND_API int sub_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
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ZEND_API int mul_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
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ZEND_API int div_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
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ZEND_API int mod_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
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ZEND_API int boolean_xor_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
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ZEND_API int boolean_not_function(zval *result, zval *op1 TSRMLS_DC);
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ZEND_API int bitwise_not_function(zval *result, zval *op1 TSRMLS_DC);
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ZEND_API int bitwise_or_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
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ZEND_API int bitwise_and_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
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ZEND_API int bitwise_xor_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
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ZEND_API int shift_left_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
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ZEND_API int shift_right_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
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ZEND_API int concat_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
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ZEND_API int is_equal_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
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ZEND_API int is_identical_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
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ZEND_API int is_not_identical_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
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ZEND_API int is_not_equal_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
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ZEND_API int is_smaller_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
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ZEND_API int is_smaller_or_equal_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
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ZEND_API zend_bool instanceof_function_ex(zend_class_entry *instance_ce, zend_class_entry *ce, zend_bool interfaces_only TSRMLS_DC);
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ZEND_API zend_bool instanceof_function(zend_class_entry *instance_ce, zend_class_entry *ce TSRMLS_DC);
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END_EXTERN_C()
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static inline zend_bool is_numeric_string(char *str, int length, long *lval, double *dval, zend_bool allow_errors)
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{
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long local_lval;
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double local_dval;
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char *end_ptr_long, *end_ptr_double;
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int conv_base=10;
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if (!length) {
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return 0;
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}
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/* handle hex numbers */
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if (length>=2 && str[0]=='0' && (str[1]=='x' || str[1]=='X')) {
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conv_base=16;
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}
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errno=0;
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local_lval = strtol(str, &end_ptr_long, conv_base);
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if (errno!=ERANGE) {
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if (end_ptr_long == str+length) { /* integer string */
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if (lval) {
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*lval = local_lval;
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}
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return IS_LONG;
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} else if (end_ptr_long == str && *end_ptr_long != '\0') { /* ignore partial string matches */
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return 0;
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}
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} else {
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end_ptr_long=NULL;
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}
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if (conv_base==16) { /* hex string, under UNIX strtod() messes it up */
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return 0;
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}
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errno=0;
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local_dval = strtod(str, &end_ptr_double);
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if (errno != ERANGE) {
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if (end_ptr_double == str+length) { /* floating point string */
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if (!zend_finite(local_dval)) {
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/* "inf","nan" and maybe other weird ones */
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return 0;
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}
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if (dval) {
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*dval = local_dval;
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}
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return IS_DOUBLE;
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}
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} else {
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end_ptr_double=NULL;
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}
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if (allow_errors) {
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if (end_ptr_double>end_ptr_long && dval) {
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*dval = local_dval;
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return IS_DOUBLE;
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} else if (end_ptr_long && lval) {
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*lval = local_lval;
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return IS_LONG;
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}
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}
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return 0;
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}
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static inline char *
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zend_memnstr(char *haystack, char *needle, int needle_len, char *end)
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{
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char *p = haystack;
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char ne = needle[needle_len-1];
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end -= needle_len;
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while (p <= end) {
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if ((p = (char *)memchr(p, *needle, (end-p+1))) && ne == p[needle_len-1]) {
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if (!memcmp(needle, p, needle_len-1)) {
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return p;
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}
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}
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if (p == NULL) {
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return NULL;
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}
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p++;
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}
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return NULL;
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}
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BEGIN_EXTERN_C()
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ZEND_API int increment_function(zval *op1);
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ZEND_API int decrement_function(zval *op2);
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ZEND_API void convert_scalar_to_number(zval *op TSRMLS_DC);
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ZEND_API void _convert_to_string(zval *op ZEND_FILE_LINE_DC);
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ZEND_API void convert_to_long(zval *op);
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ZEND_API void convert_to_double(zval *op);
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ZEND_API void convert_to_long_base(zval *op, int base);
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ZEND_API void convert_to_null(zval *op);
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ZEND_API void convert_to_boolean(zval *op);
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ZEND_API void convert_to_array(zval *op);
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ZEND_API void convert_to_object(zval *op);
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ZEND_API void multi_convert_to_long_ex(int argc, ...);
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ZEND_API void multi_convert_to_double_ex(int argc, ...);
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ZEND_API void multi_convert_to_string_ex(int argc, ...);
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ZEND_API int add_char_to_string(zval *result, zval *op1, zval *op2);
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ZEND_API int add_string_to_string(zval *result, zval *op1, zval *op2);
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#define convert_to_string(op) _convert_to_string((op) ZEND_FILE_LINE_CC)
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ZEND_API double zend_string_to_double(const char *number, zend_uint length);
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ZEND_API int zval_is_true(zval *op);
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ZEND_API int compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
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ZEND_API int numeric_compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
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ZEND_API int string_compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
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ZEND_API void zend_str_tolower(char *str, unsigned int length);
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ZEND_API char *zend_str_tolower_copy(char *dest, const char *source, unsigned int length);
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END_EXTERN_C()
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static inline char *
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zend_str_tolower_dup(const char *source, unsigned int length)
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{
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return zend_str_tolower_copy((char *)emalloc(length+1), source, length);
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}
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BEGIN_EXTERN_C()
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ZEND_API int zend_binary_zval_strcmp(zval *s1, zval *s2);
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ZEND_API int zend_binary_zval_strncmp(zval *s1, zval *s2, zval *s3);
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ZEND_API int zend_binary_zval_strcasecmp(zval *s1, zval *s2);
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ZEND_API int zend_binary_zval_strncasecmp(zval *s1, zval *s2, zval *s3);
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ZEND_API int zend_binary_strcmp(char *s1, uint len1, char *s2, uint len2);
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ZEND_API int zend_binary_strncmp(char *s1, uint len1, char *s2, uint len2, uint length);
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ZEND_API int zend_binary_strcasecmp(char *s1, uint len1, char *s2, uint len2);
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ZEND_API int zend_binary_strncasecmp(char *s1, uint len1, char *s2, uint len2, uint length);
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ZEND_API void zendi_smart_strcmp(zval *result, zval *s1, zval *s2);
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ZEND_API void zend_compare_symbol_tables(zval *result, HashTable *ht1, HashTable *ht2 TSRMLS_DC);
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ZEND_API void zend_compare_arrays(zval *result, zval *a1, zval *a2 TSRMLS_DC);
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ZEND_API void zend_compare_objects(zval *result, zval *o1, zval *o2 TSRMLS_DC);
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ZEND_API int zend_atoi(const char *str, int str_len);
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ZEND_API void zend_locale_sprintf_double(zval *op ZEND_FILE_LINE_DC);
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END_EXTERN_C()
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#define convert_to_ex_master(ppzv, lower_type, upper_type) \
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if ((*ppzv)->type!=IS_##upper_type) { \
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SEPARATE_ZVAL_IF_NOT_REF(ppzv); \
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convert_to_##lower_type(*ppzv); \
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}
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#define convert_to_boolean_ex(ppzv) convert_to_ex_master(ppzv, boolean, BOOL)
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#define convert_to_long_ex(ppzv) convert_to_ex_master(ppzv, long, LONG)
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#define convert_to_double_ex(ppzv) convert_to_ex_master(ppzv, double, DOUBLE)
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#define convert_to_string_ex(ppzv) convert_to_ex_master(ppzv, string, STRING)
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#define convert_to_array_ex(ppzv) convert_to_ex_master(ppzv, array, ARRAY)
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#define convert_to_object_ex(ppzv) convert_to_ex_master(ppzv, object, OBJECT)
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#define convert_to_null_ex(ppzv) convert_to_ex_master(ppzv, null, NULL)
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#define convert_scalar_to_number_ex(ppzv) \
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if ((*ppzv)->type!=IS_LONG && (*ppzv)->type!=IS_DOUBLE) { \
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if (!(*ppzv)->is_ref) { \
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SEPARATE_ZVAL(ppzv); \
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} \
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convert_scalar_to_number(*ppzv TSRMLS_CC); \
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}
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#define Z_LVAL(zval) (zval).value.lval
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#define Z_BVAL(zval) ((zend_bool)(zval).value.lval)
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#define Z_DVAL(zval) (zval).value.dval
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#define Z_STRVAL(zval) (zval).value.str.val
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#define Z_STRLEN(zval) (zval).value.str.len
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#define Z_ARRVAL(zval) (zval).value.ht
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#define Z_OBJ_HANDLE(zval) (zval).value.obj.handle
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#define Z_OBJ_HT(zval) (zval).value.obj.handlers
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#define Z_OBJCE(zval) zend_get_class_entry(&(zval) TSRMLS_CC)
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#define Z_OBJPROP(zval) Z_OBJ_HT((zval))->get_properties(&(zval) TSRMLS_CC)
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#define Z_OBJ_HANDLER(zval, hf) Z_OBJ_HT((zval))->hf
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#define Z_RESVAL(zval) (zval).value.lval
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#define Z_LVAL_P(zval_p) Z_LVAL(*zval_p)
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#define Z_BVAL_P(zval_p) Z_BVAL(*zval_p)
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#define Z_DVAL_P(zval_p) Z_DVAL(*zval_p)
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#define Z_STRVAL_P(zval_p) Z_STRVAL(*zval_p)
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#define Z_STRLEN_P(zval_p) Z_STRLEN(*zval_p)
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#define Z_ARRVAL_P(zval_p) Z_ARRVAL(*zval_p)
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#define Z_OBJPROP_P(zval_p) Z_OBJPROP(*zval_p)
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#define Z_OBJCE_P(zval_p) Z_OBJCE(*zval_p)
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#define Z_RESVAL_P(zval_p) Z_RESVAL(*zval_p)
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#define Z_OBJ_HANDLE_P(zval_p) Z_OBJ_HANDLE(*zval_p)
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#define Z_OBJ_HT_P(zval_p) Z_OBJ_HT(*zval_p)
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#define Z_OBJ_HANDLER_P(zval_p, h) Z_OBJ_HANDLER(*zval_p, h)
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#define Z_LVAL_PP(zval_pp) Z_LVAL(**zval_pp)
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#define Z_BVAL_PP(zval_pp) Z_BVAL(**zval_pp)
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#define Z_DVAL_PP(zval_pp) Z_DVAL(**zval_pp)
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#define Z_STRVAL_PP(zval_pp) Z_STRVAL(**zval_pp)
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#define Z_STRLEN_PP(zval_pp) Z_STRLEN(**zval_pp)
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#define Z_ARRVAL_PP(zval_pp) Z_ARRVAL(**zval_pp)
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#define Z_OBJPROP_PP(zval_pp) Z_OBJPROP(**zval_pp)
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#define Z_OBJCE_PP(zval_pp) Z_OBJCE(**zval_pp)
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#define Z_RESVAL_PP(zval_pp) Z_RESVAL(**zval_pp)
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#define Z_OBJ_HANDLE_PP(zval_p) Z_OBJ_HANDLE(**zval_p)
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#define Z_OBJ_HT_PP(zval_p) Z_OBJ_HT(**zval_p)
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#define Z_OBJ_HANDLER_PP(zval_p, h) Z_OBJ_HANDLER(**zval_p, h)
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#define Z_TYPE(zval) (zval).type
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#define Z_TYPE_P(zval_p) Z_TYPE(*zval_p)
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#define Z_TYPE_PP(zval_pp) Z_TYPE(**zval_pp)
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#endif
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* indent-tabs-mode: t
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* End:
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*/
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