mirror of
https://github.com/php/php-src.git
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009025e00d
* fixed --enable-thread-safety build for UNIX I don't have a Win32 environment available, could someone please try compiling on Win32 to see if I got all the header file stuff right there?
772 lines
20 KiB
C
772 lines
20 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) 1998, 1999 Andi Gutmans, Zeev Suraski |
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+----------------------------------------------------------------------+
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| This source file is subject to version 0.91 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 at through the world-wide-web at |
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| http://www.zend.com/license/0_91.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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#include "zend.h"
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#include "zend_variables.h"
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#include "zend_execute.h"
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#include "zend_API.h"
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#include "modules.h"
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#include "zend_constants.h"
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#include "zend_operators.h"
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#ifdef HAVE_STDARG_H
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# include <stdarg.h>
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#endif
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/* these variables are true statics/globals, and have to be mutex'ed on every access */
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static int module_count=0;
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HashTable list_destructors, module_registry;
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/* this function doesn't check for too many parameters */
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ZEND_API int getParameters(int ht, int param_count,...)
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{
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void **p;
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int arg_count;
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va_list ptr;
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zval **param, *param_ptr;
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ELS_FETCH();
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ALS_FETCH();
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p = EG(argument_stack).top_element-1;
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arg_count = (ulong) *p;
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if (param_count>arg_count) {
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return FAILURE;
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}
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va_start(ptr, param_count);
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while (param_count>0) {
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param = va_arg(ptr, zval **);
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param_ptr = *(p-param_count);
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if (!PZVAL_IS_REF(param_ptr) && param_ptr->refcount>1) {
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zval *new_tmp;
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new_tmp = (zval *) emalloc(sizeof(zval));
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*new_tmp = *param_ptr;
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zval_copy_ctor(new_tmp);
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INIT_PZVAL(new_tmp);
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param_ptr = new_tmp;
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((zval *) *(p-param_count))->refcount--;
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*(p-param_count) = param_ptr;
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}
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*param = param_ptr;
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param_count--;
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}
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va_end(ptr);
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return SUCCESS;
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}
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ZEND_API int getParametersArray(int ht, int param_count, zval **argument_array)
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{
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void **p;
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int arg_count;
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zval *param_ptr;
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ELS_FETCH();
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p = EG(argument_stack).top_element-1;
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arg_count = (ulong) *p;
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if (param_count>arg_count) {
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return FAILURE;
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}
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while (param_count>0) {
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param_ptr = *(p-param_count);
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if (!PZVAL_IS_REF(param_ptr) && param_ptr->refcount>1) {
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zval *new_tmp;
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new_tmp = (zval *) emalloc(sizeof(zval));
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*new_tmp = *param_ptr;
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zval_copy_ctor(new_tmp);
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INIT_PZVAL(new_tmp);
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param_ptr = new_tmp;
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((zval *) *(p-param_count))->refcount--;
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*(p-param_count) = param_ptr;
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}
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*(argument_array++) = param_ptr;
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param_count--;
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}
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return SUCCESS;
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}
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/* Zend-optimized Extended functions */
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/* this function doesn't check for too many parameters */
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ZEND_API int getParametersEx(int param_count,...)
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{
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void **p;
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int arg_count;
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va_list ptr;
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zval ***param;
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ELS_FETCH();
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p = EG(argument_stack).top_element-1;
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arg_count = (ulong) *p;
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if (param_count>arg_count) {
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return FAILURE;
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}
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va_start(ptr, param_count);
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while (param_count>0) {
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param = va_arg(ptr, zval ***);
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*param = (zval **) p-(param_count--);
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}
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va_end(ptr);
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return SUCCESS;
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}
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ZEND_API int getParametersArrayEx(int param_count, zval ***argument_array)
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{
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void **p;
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int arg_count;
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ELS_FETCH();
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p = EG(argument_stack).top_element-1;
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arg_count = (ulong) *p;
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if (param_count>arg_count) {
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return FAILURE;
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}
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while (param_count>0) {
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*(argument_array++) = (zval **) p-(param_count--);
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}
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return SUCCESS;
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}
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ZEND_API int ParameterPassedByReference(int ht, uint n)
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{
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void **p;
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ulong arg_count;
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zval *arg;
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ELS_FETCH();
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p = EG(argument_stack).elements+EG(argument_stack).top-1;
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arg_count = (ulong) *p;
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if (n>arg_count) {
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return FAILURE;
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}
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arg = (zval *) *(p-arg_count+n-1);
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return PZVAL_IS_REF(arg);
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}
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ZEND_API void wrong_param_count()
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{
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zend_error(E_WARNING,"Wrong parameter count for %s()",get_active_function_name());
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}
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ZEND_API inline int array_init(zval *arg)
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{
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arg->value.ht = (HashTable *) emalloc(sizeof(HashTable));
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if (!arg->value.ht || zend_hash_init(arg->value.ht, 0, NULL, PVAL_PTR_DTOR, 0)) {
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zend_error(E_CORE_ERROR, "Cannot allocate memory for array");
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return FAILURE;
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}
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arg->type = IS_ARRAY;
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return SUCCESS;
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}
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static void zval_update_const_and_ref(zval **p)
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{
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zval_update_constant(*p);
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zval_add_ref(p);
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}
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ZEND_API inline int object_init_ex(zval *arg, zend_class_entry *class_type)
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{
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zval *tmp;
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arg->value.obj.properties = (HashTable *) emalloc(sizeof(HashTable));
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zend_hash_init(arg->value.obj.properties, 0, NULL, PVAL_PTR_DTOR, 0);
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zend_hash_copy(arg->value.obj.properties, &class_type->default_properties, (void (*)(void *)) zval_update_const_and_ref, (void *) &tmp, sizeof(zval *));
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arg->type = IS_OBJECT;
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arg->value.obj.ce = class_type;
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return SUCCESS;
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}
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ZEND_API inline int object_init(zval *arg)
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{
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return object_init_ex(arg, &zend_standard_class_def);
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}
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ZEND_API inline int add_assoc_long(zval *arg, char *key, long n)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_LONG;
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tmp->value.lval = n;
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INIT_PZVAL(tmp);
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return zend_hash_update(arg->value.ht, key, strlen(key)+1, (void *) &tmp, sizeof(zval *), NULL);
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}
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ZEND_API inline int add_assoc_double(zval *arg, char *key, double d)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_DOUBLE;
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tmp->value.dval = d;
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INIT_PZVAL(tmp);
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return zend_hash_update(arg->value.ht, key, strlen(key)+1, (void *) &tmp, sizeof(zval *), NULL);
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}
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ZEND_API inline int add_assoc_string(zval *arg, char *key, char *str, int duplicate)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_STRING;
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tmp->value.str.len = strlen(str);
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if (duplicate) {
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tmp->value.str.val = estrndup(str,tmp->value.str.len);
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} else {
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tmp->value.str.val = str;
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}
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INIT_PZVAL(tmp);
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return zend_hash_update(arg->value.ht, key, strlen(key)+1, (void *) &tmp, sizeof(zval *), NULL);
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}
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ZEND_API inline int add_assoc_stringl(zval *arg, char *key, char *str, uint length, int duplicate)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_STRING;
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tmp->value.str.len = length;
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if (duplicate) {
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tmp->value.str.val = estrndup(str,tmp->value.str.len);
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} else {
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tmp->value.str.val = str;
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}
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INIT_PZVAL(tmp);
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return zend_hash_update(arg->value.ht, key, strlen(key)+1, (void *) &tmp, sizeof(zval *), NULL);
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}
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ZEND_API inline int add_assoc_function(zval *arg, char *key,void (*function_ptr)(INTERNAL_FUNCTION_PARAMETERS))
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{
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zend_error(E_WARNING, "add_assoc_function() is no longer supported");
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return FAILURE;
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}
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ZEND_API inline int add_index_long(zval *arg, uint index, long n)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_LONG;
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tmp->value.lval = n;
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INIT_PZVAL(tmp);
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return zend_hash_index_update(arg->value.ht, index, (void *) &tmp, sizeof(zval *),NULL);
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}
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ZEND_API inline int add_index_double(zval *arg, uint index, double d)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_DOUBLE;
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tmp->value.dval = d;
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INIT_PZVAL(tmp);
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return zend_hash_index_update(arg->value.ht, index, (void *) &tmp, sizeof(zval *),NULL);
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}
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ZEND_API inline int add_index_string(zval *arg, uint index, char *str, int duplicate)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_STRING;
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tmp->value.str.len = strlen(str);
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if (duplicate) {
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tmp->value.str.val = estrndup(str,tmp->value.str.len);
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} else {
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tmp->value.str.val = str;
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}
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INIT_PZVAL(tmp);
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return zend_hash_index_update(arg->value.ht, index, (void *) &tmp, sizeof(zval *), NULL);
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}
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ZEND_API inline int add_index_stringl(zval *arg, uint index, char *str, uint length, int duplicate)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_STRING;
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tmp->value.str.len = length;
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if (duplicate) {
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tmp->value.str.val = estrndup(str,tmp->value.str.len);
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} else {
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tmp->value.str.val = str;
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}
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INIT_PZVAL(tmp);
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return zend_hash_index_update(arg->value.ht, index, (void *) &tmp, sizeof(zval *),NULL);
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}
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ZEND_API inline int add_next_index_long(zval *arg, long n)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_LONG;
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tmp->value.lval = n;
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INIT_PZVAL(tmp);
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return zend_hash_next_index_insert(arg->value.ht, &tmp, sizeof(zval *), NULL);
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}
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ZEND_API inline int add_next_index_double(zval *arg, double d)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_DOUBLE;
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tmp->value.dval = d;
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INIT_PZVAL(tmp);
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return zend_hash_next_index_insert(arg->value.ht, &tmp, sizeof(zval *), NULL);
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}
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ZEND_API inline int add_next_index_string(zval *arg, char *str, int duplicate)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_STRING;
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tmp->value.str.len = strlen(str);
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if (duplicate) {
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tmp->value.str.val = estrndup(str,tmp->value.str.len);
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} else {
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tmp->value.str.val = str;
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}
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INIT_PZVAL(tmp);
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return zend_hash_next_index_insert(arg->value.ht, &tmp, sizeof(zval *),NULL);
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}
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ZEND_API inline int add_next_index_stringl(zval *arg, char *str, uint length, int duplicate)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_STRING;
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tmp->value.str.len = length;
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if (duplicate) {
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tmp->value.str.val = estrndup(str,tmp->value.str.len);
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} else {
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tmp->value.str.val = str;
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}
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INIT_PZVAL(tmp);
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return zend_hash_next_index_insert(arg->value.ht, &tmp, sizeof(zval *),NULL);
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}
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ZEND_API inline int add_get_assoc_string(zval *arg, char *key, char *str, void **dest, int duplicate)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_STRING;
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tmp->value.str.len = strlen(str);
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if (duplicate) {
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tmp->value.str.val = estrndup(str,tmp->value.str.len);
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} else {
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tmp->value.str.val = str;
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}
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INIT_PZVAL(tmp);
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return zend_hash_update(arg->value.ht, key, strlen(key)+1, (void *) &tmp, sizeof(zval *), dest);
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}
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ZEND_API inline int add_get_assoc_stringl(zval *arg, char *key, char *str, uint length, void **dest, int duplicate)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_STRING;
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tmp->value.str.len = length;
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if (duplicate) {
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tmp->value.str.val = estrndup(str,tmp->value.str.len);
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} else {
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tmp->value.str.val = str;
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}
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INIT_PZVAL(tmp);
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return zend_hash_update(arg->value.ht, key, strlen(key)+1, (void *) &tmp, sizeof(zval *), dest);
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}
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ZEND_API inline int add_get_index_long(zval *arg, uint index, long l, void **dest)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_LONG;
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tmp->value.lval = l;
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INIT_PZVAL(tmp);
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return zend_hash_index_update(arg->value.ht, index, (void *) &tmp, sizeof(zval *),dest);
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}
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ZEND_API inline int add_get_index_double(zval *arg, uint index, double d, void **dest)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_DOUBLE;
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tmp->value.dval= d;
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INIT_PZVAL(tmp);
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return zend_hash_index_update(arg->value.ht, index, (void *) &tmp, sizeof(zval *),dest);
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}
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ZEND_API inline int add_get_index_string(zval *arg, uint index, char *str, void **dest, int duplicate)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_STRING;
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tmp->value.str.len = strlen(str);
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if (duplicate) {
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tmp->value.str.val = estrndup(str,tmp->value.str.len);
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} else {
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tmp->value.str.val = str;
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}
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INIT_PZVAL(tmp);
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return zend_hash_index_update(arg->value.ht, index, (void *) &tmp, sizeof(zval *),dest);
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}
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ZEND_API inline int add_get_index_stringl(zval *arg, uint index, char *str, uint length, void **dest, int duplicate)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_STRING;
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tmp->value.str.len = length;
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if (duplicate) {
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tmp->value.str.val = estrndup(str,tmp->value.str.len);
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} else {
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tmp->value.str.val = str;
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}
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INIT_PZVAL(tmp);
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return zend_hash_index_update(arg->value.ht, index, (void *) &tmp, sizeof(zval *),dest);
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}
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ZEND_API inline int add_property_long(zval *arg, char *key, long n)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_LONG;
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tmp->value.lval = n;
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INIT_PZVAL(tmp);
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return zend_hash_update(arg->value.obj.properties, key, strlen(key)+1, (void *) &tmp, sizeof(zval *), NULL);
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}
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ZEND_API inline int add_property_double(zval *arg, char *key, double d)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_DOUBLE;
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tmp->value.dval = d;
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INIT_PZVAL(tmp);
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return zend_hash_update(arg->value.obj.properties, key, strlen(key)+1, (void *) &tmp, sizeof(zval *), NULL);
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}
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ZEND_API inline int add_property_string(zval *arg, char *key, char *str, int duplicate)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_STRING;
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tmp->value.str.len = strlen(str);
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if (duplicate) {
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tmp->value.str.val = estrndup(str,tmp->value.str.len);
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} else {
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tmp->value.str.val = str;
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}
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INIT_PZVAL(tmp);
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return zend_hash_update(arg->value.obj.properties, key, strlen(key)+1, (void *) &tmp, sizeof(zval *), NULL);
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}
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ZEND_API inline int add_property_stringl(zval *arg, char *key, char *str, uint length, int duplicate)
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{
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zval *tmp = (zval *) emalloc(sizeof(zval));
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tmp->type = IS_STRING;
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tmp->value.str.len = length;
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if (duplicate) {
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tmp->value.str.val = estrndup(str,tmp->value.str.len);
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} else {
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tmp->value.str.val = str;
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}
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INIT_PZVAL(tmp);
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return zend_hash_update(arg->value.obj.properties, key, strlen(key)+1, (void *) &tmp, sizeof(zval *), NULL);
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}
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int zend_startup_module(zend_module_entry *module)
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{
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if (module) {
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module->module_number = zend_next_free_module();
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if (module->module_startup_func) {
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if (module->module_startup_func(MODULE_PERSISTENT, module->module_number)==FAILURE) {
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zend_error(E_CORE_ERROR,"Unable to start %s module",module->name);
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return FAILURE;
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}
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}
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module->type = MODULE_PERSISTENT;
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zend_register_module(module);
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}
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return SUCCESS;
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}
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ZEND_API int _register_list_destructors(void (*list_destructor)(void *), void (*plist_destructor)(void *), int module_number)
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{
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list_destructors_entry ld;
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#if 0
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printf("Registering destructors %d for module %d\n", list_destructors.nNextFreeElement, module_number);
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#endif
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ld.list_destructor=(void (*)(void *)) list_destructor;
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ld.plist_destructor=(void (*)(void *)) plist_destructor;
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ld.module_number = module_number;
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ld.resource_id = list_destructors.nNextFreeElement;
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if (zend_hash_next_index_insert(&list_destructors,(void *) &ld,sizeof(list_destructors_entry),NULL)==FAILURE) {
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return FAILURE;
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}
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return list_destructors.nNextFreeElement-1;
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}
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/* registers all functions in *library_functions in the function hash */
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int zend_register_functions(zend_function_entry *functions, HashTable *function_table)
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{
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zend_function_entry *ptr = functions;
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zend_internal_function internal_function;
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int count=0,unload=0;
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HashTable *target_function_table = function_table;
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CLS_FETCH();
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if (!target_function_table) {
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target_function_table = CG(function_table);
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}
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internal_function.type = ZEND_INTERNAL_FUNCTION;
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while (ptr->fname) {
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internal_function.handler = ptr->handler;
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internal_function.arg_types = ptr->func_arg_types;
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internal_function.function_name = ptr->fname;
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if (!internal_function.handler) {
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zend_error(E_CORE_WARNING,"Null function defined as active function");
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zend_unregister_functions(functions, count, target_function_table);
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return FAILURE;
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}
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if (zend_hash_add(target_function_table, ptr->fname, strlen(ptr->fname)+1, &internal_function, sizeof(zend_internal_function), NULL) == FAILURE) {
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unload=1;
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break;
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}
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ptr++;
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count++;
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}
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if (unload) { /* before unloading, display all remaining bad function in the module */
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while (ptr->fname) {
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if (zend_hash_exists(target_function_table, ptr->fname, strlen(ptr->fname)+1)) {
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zend_error(E_CORE_WARNING, "Function registration failed - duplicate name - %s",ptr->fname);
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}
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ptr++;
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}
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zend_unregister_functions(functions, count, target_function_table);
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return FAILURE;
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}
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return SUCCESS;
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}
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/* count=-1 means erase all functions, otherwise,
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* erase the first count functions
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*/
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void zend_unregister_functions(zend_function_entry *functions, int count, HashTable *function_table)
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{
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zend_function_entry *ptr = functions;
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int i=0;
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HashTable *target_function_table = function_table;
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CLS_FETCH();
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if (!target_function_table) {
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target_function_table = CG(function_table);
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}
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while (ptr->fname) {
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if (count!=-1 && i>=count) {
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break;
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}
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#if 0
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zend_printf("Unregistering %s()\n", ptr->fname);
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#endif
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zend_hash_del(target_function_table, ptr->fname, strlen(ptr->fname)+1);
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ptr++;
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i++;
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}
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}
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ZEND_API int zend_register_module(zend_module_entry *module)
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{
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#if 0
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zend_printf("%s: Registering module %d\n",module->name, module->module_number);
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#endif
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if (module->functions && zend_register_functions(module->functions, NULL)==FAILURE) {
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zend_error(E_CORE_WARNING,"%s: Unable to register functions, unable to load",module->name);
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return FAILURE;
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}
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module->module_started=1;
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return zend_hash_add(&module_registry, module->name,strlen(module->name)+1,(void *)module,sizeof(zend_module_entry),NULL);
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}
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void module_destructor(zend_module_entry *module)
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{
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if (module->type == MODULE_TEMPORARY) {
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zend_hash_apply_with_argument(&list_destructors, (int (*)(void *,void *)) clean_module_resource_destructors, (void *) &(module->module_number));
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clean_module_constants(module->module_number);
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}
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if (module->request_started && module->request_shutdown_func) {
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#if 0
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zend_printf("%s: Request shutdown\n",module->name);
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#endif
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module->request_shutdown_func(module->type, module->module_number);
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}
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module->request_started=0;
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if (module->module_started && module->module_shutdown_func) {
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#if 0
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zend_printf("%s: Module shutdown\n",module->name);
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#endif
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module->module_shutdown_func(module->type, module->module_number);
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}
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module->module_started=0;
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if (module->functions) {
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zend_unregister_functions(module->functions, -1, NULL);
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}
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#if HAVE_LIBDL
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if (module->handle) {
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dlclose(module->handle);
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}
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#endif
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}
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|
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/* call request startup for all modules */
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int module_registry_request_startup(zend_module_entry *module)
|
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{
|
|
if (!module->request_started && module->request_startup_func) {
|
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#if 0
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zend_printf("%s: Request startup\n",module->name);
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#endif
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|
module->request_startup_func(module->type, module->module_number);
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|
}
|
|
module->request_started=1;
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|
return 0;
|
|
}
|
|
|
|
|
|
/* for persistent modules - call request shutdown and flag NOT to erase
|
|
* for temporary modules - do nothing, and flag to erase
|
|
*/
|
|
int module_registry_cleanup(zend_module_entry *module)
|
|
{
|
|
switch(module->type) {
|
|
case MODULE_PERSISTENT:
|
|
if (module->request_started && module->request_shutdown_func) {
|
|
#if 0
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|
zend_printf("%s: Request shutdown\n",module->name);
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|
#endif
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|
module->request_shutdown_func(module->type, module->module_number);
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|
}
|
|
module->request_started=0;
|
|
return 0;
|
|
break;
|
|
case MODULE_TEMPORARY:
|
|
return 1;
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
/* return the next free module number */
|
|
int zend_next_free_module(void)
|
|
{
|
|
return ++module_count;
|
|
}
|
|
|
|
|
|
ZEND_API zend_class_entry *register_internal_class(zend_class_entry *class_entry)
|
|
{
|
|
zend_class_entry *register_class;
|
|
char *lowercase_name = zend_strndup(class_entry->name, class_entry->name_length);
|
|
CLS_FETCH();
|
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|
|
zend_str_tolower(lowercase_name, class_entry->name_length);
|
|
|
|
class_entry->type = ZEND_INTERNAL_CLASS;
|
|
class_entry->parent = NULL;
|
|
class_entry->refcount = (int *) malloc(sizeof(int));
|
|
*class_entry->refcount = 1;
|
|
zend_hash_init(&class_entry->default_properties, 0, NULL, PVAL_PTR_DTOR, 1);
|
|
zend_hash_init(&class_entry->function_table, 0, NULL, ZEND_FUNCTION_DTOR, 1);
|
|
|
|
zend_hash_update(CG(class_table), lowercase_name, class_entry->name_length+1, class_entry, sizeof(zend_class_entry), (void **) ®ister_class);
|
|
free(lowercase_name);
|
|
|
|
if (class_entry->builtin_functions) {
|
|
zend_register_functions(class_entry->builtin_functions, &class_entry->function_table);
|
|
}
|
|
return register_class;
|
|
}
|
|
|
|
|
|
ZEND_API zend_module_entry *zend_get_module(int module_number)
|
|
{
|
|
zend_module_entry *module;
|
|
|
|
if (zend_hash_index_find(&module_registry, module_number, (void **) &module)==SUCCESS) {
|
|
return module;
|
|
} else {
|
|
return NULL;
|
|
}
|
|
}
|