mirror of
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428 lines
11 KiB
C
428 lines
11 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP HTML Embedded Scripting Language Version 4.0 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997,1998 PHP Development Team (See Credits file) |
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+----------------------------------------------------------------------+
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| This program is free software; you can redistribute it and/or modify |
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| it under the terms of one of the following licenses: |
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| |
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| A) the GNU General Public License as published by the Free Software |
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| Foundation; either version 2 of the License, or (at your option) |
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| any later version. |
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| |
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| B) the PHP License as published by the PHP Development Team and |
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| included in the distribution in the file: LICENSE |
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| |
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| This program is distributed in the hope that it will be useful, |
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| but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| GNU General Public License for more details. |
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| |
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| You should have received a copy of both licenses referred to here. |
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| If you did not, or have any questions about PHP licensing, please |
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| contact core@php.net. |
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+----------------------------------------------------------------------+
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| Author: Zeev Suraski <zeev@zend.com> |
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+----------------------------------------------------------------------+
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*/
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#include <stdlib.h>
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#include "php.h"
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#include "php_ini.h"
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#include "zend_alloc.h"
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#include "php_globals.h"
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#include "ext/standard/info.h"
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static HashTable known_directives;
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/*
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* hash_apply functions
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*/
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static int php_remove_ini_entries(php_ini_entry *ini_entry, int *module_number)
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{
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if (ini_entry->module_number == *module_number) {
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return 1;
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} else {
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return 0;
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}
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}
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static int php_restore_ini_entry_cb(php_ini_entry *ini_entry)
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{
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if (ini_entry->modified) {
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if (ini_entry->on_modify) {
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ini_entry->on_modify(ini_entry, ini_entry->orig_value, ini_entry->orig_value_length, ini_entry->mh_arg1, ini_entry->mh_arg2, ini_entry->mh_arg3);
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}
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efree(ini_entry->value);
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ini_entry->value = ini_entry->orig_value;
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ini_entry->value_length = ini_entry->orig_value_length;
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ini_entry->modified = 0;
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ini_entry->orig_value = NULL;
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ini_entry->orig_value_length = 0;
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}
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return 0;
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}
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/*
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* Startup / shutdown
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*/
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int php_ini_mstartup()
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{
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if (_php3_hash_init(&known_directives, 100, NULL, NULL, 1)==FAILURE) {
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return FAILURE;
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}
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return SUCCESS;
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}
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int php_ini_mshutdown()
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{
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_php3_hash_destroy(&known_directives);
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return SUCCESS;
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}
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int php_ini_rshutdown()
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{
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_php3_hash_apply(&known_directives, (int (*)(void *)) php_restore_ini_entry_cb);
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return SUCCESS;
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}
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/*
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* Registration / unregistration
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*/
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PHPAPI int php_register_ini_entries(php_ini_entry *ini_entry, int module_number)
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{
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php_ini_entry *p = ini_entry;
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php_ini_entry *hashed_ini_entry;
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pval *default_value;
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while (p->name) {
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p->module_number = module_number;
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if (_php3_hash_add(&known_directives, p->name, p->name_length, p, sizeof(php_ini_entry), (void **) &hashed_ini_entry)==FAILURE) {
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php_unregister_ini_entries(module_number);
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return FAILURE;
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}
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if (hashed_ini_entry->on_modify) {
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hashed_ini_entry->on_modify(hashed_ini_entry, hashed_ini_entry->value, hashed_ini_entry->value_length, hashed_ini_entry->mh_arg1, hashed_ini_entry->mh_arg2, hashed_ini_entry->mh_arg3);
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}
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if ((default_value=cfg_get_entry(p->name, p->name_length))) {
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if (!hashed_ini_entry->on_modify
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|| hashed_ini_entry->on_modify(hashed_ini_entry, default_value->value.str.val, default_value->value.str.len, hashed_ini_entry->mh_arg1, hashed_ini_entry->mh_arg2, hashed_ini_entry->mh_arg3)==SUCCESS) {
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hashed_ini_entry->value = default_value->value.str.val;
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hashed_ini_entry->value_length = default_value->value.str.len;
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}
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} else {
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if (hashed_ini_entry->on_modify) {
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hashed_ini_entry->on_modify(hashed_ini_entry, hashed_ini_entry->value, hashed_ini_entry->value_length, hashed_ini_entry->mh_arg1, hashed_ini_entry->mh_arg2, hashed_ini_entry->mh_arg3);
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}
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}
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hashed_ini_entry->modified = 0;
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p++;
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}
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return SUCCESS;
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}
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PHPAPI void php_unregister_ini_entries(int module_number)
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{
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_php3_hash_apply_with_argument(&known_directives, (int (*)(void *, void *)) php_remove_ini_entries, (void *) &module_number);
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}
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PHPAPI int php_alter_ini_entry(char *name, uint name_length, char *new_value, uint new_value_length, int modify_type)
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{
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php_ini_entry *ini_entry;
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char *duplicate;
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if (_php3_hash_find(&known_directives, name, name_length, (void **) &ini_entry)==FAILURE) {
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return FAILURE;
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}
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if (!(ini_entry->modifyable & modify_type)) {
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return FAILURE;
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}
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duplicate = estrndup(new_value, new_value_length);
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if (!ini_entry->on_modify
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|| ini_entry->on_modify(ini_entry, duplicate, new_value_length, ini_entry->mh_arg1, ini_entry->mh_arg2, ini_entry->mh_arg3)==SUCCESS) {
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if (!ini_entry->modified) {
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ini_entry->orig_value = ini_entry->value;
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ini_entry->orig_value_length = ini_entry->value_length;
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} else { /* we already changed the value, free the changed value */
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efree(ini_entry->value);
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}
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ini_entry->value = duplicate;
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ini_entry->value_length = new_value_length;
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ini_entry->modified = 1;
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} else {
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efree(duplicate);
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}
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return SUCCESS;
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}
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PHPAPI int php_restore_ini_entry(char *name, uint name_length)
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{
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php_ini_entry *ini_entry;
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if (_php3_hash_find(&known_directives, name, name_length, (void **) &ini_entry)==FAILURE) {
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return FAILURE;
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}
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php_restore_ini_entry_cb(ini_entry);
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return SUCCESS;
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}
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PHPAPI int php_ini_register_displayer(char *name, uint name_length, void (*displayer)(php_ini_entry *ini_entry, int type))
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{
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php_ini_entry *ini_entry;
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if (_php3_hash_find(&known_directives, name, name_length, (void **) &ini_entry)==FAILURE) {
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return FAILURE;
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}
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ini_entry->displayer = displayer;
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return SUCCESS;
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}
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/*
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* Data retrieval
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*/
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PHPAPI long php_ini_long(char *name, uint name_length, int orig)
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{
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php_ini_entry *ini_entry;
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if (_php3_hash_find(&known_directives, name, name_length, (void **) &ini_entry)==SUCCESS) {
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if (orig && ini_entry->modified) {
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return (ini_entry->orig_value ? strtol(ini_entry->orig_value, NULL, 0) : 0);
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} else if (ini_entry->value) {
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return strtol(ini_entry->value, NULL, 0);
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}
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}
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return 0;
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}
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PHPAPI double php_ini_double(char *name, uint name_length, int orig)
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{
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php_ini_entry *ini_entry;
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if (_php3_hash_find(&known_directives, name, name_length, (void **) &ini_entry)==SUCCESS) {
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if (orig && ini_entry->modified) {
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return (double) (ini_entry->orig_value ? strtod(ini_entry->orig_value, NULL) : 0.0);
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} else if (ini_entry->value) {
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return (double) strtod(ini_entry->value, NULL);
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}
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}
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return 0.0;
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}
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PHPAPI char *php_ini_string(char *name, uint name_length, int orig)
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{
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php_ini_entry *ini_entry;
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if (_php3_hash_find(&known_directives, name, name_length, (void **) &ini_entry)==SUCCESS) {
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if (orig && ini_entry->modified) {
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return ini_entry->orig_value;
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} else {
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return ini_entry->value;
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}
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}
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return "";
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}
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static void php_ini_displayer_cb(php_ini_entry *ini_entry, int type)
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{
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if (ini_entry->displayer) {
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ini_entry->displayer(ini_entry, type);
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} else {
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char *display_string;
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uint display_string_length;
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if (type==PHP_INI_DISPLAY_ORIG && ini_entry->modified) {
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if (ini_entry->orig_value) {
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display_string = ini_entry->orig_value;
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display_string_length = ini_entry->orig_value_length;
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} else {
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display_string = "<i>no value</i>";
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display_string_length = sizeof("<i>no value</i>")-1;
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}
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} else if (ini_entry->value && ini_entry->value[0]) {
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display_string = ini_entry->value;
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display_string_length = ini_entry->value_length;
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} else {
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display_string = "<i>no value</i>";
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display_string_length = sizeof("<i>no value</i>")-1;
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}
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PHPWRITE(display_string, display_string_length);
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}
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}
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PHP_INI_DISP(php_ini_boolean_displayer_cb)
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{
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int value;
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if (type==PHP_INI_DISPLAY_ORIG && ini_entry->modified) {
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value = (ini_entry->orig_value ? atoi(ini_entry->orig_value) : 0);
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} else if (ini_entry->value) {
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value = atoi(ini_entry->value);
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} else {
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value = 0;
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}
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if (value) {
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PUTS("On");
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} else {
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PUTS("Off");
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}
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}
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PHP_INI_DISP(php_ini_color_displayer_cb)
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{
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char *value;
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if (type==PHP_INI_DISPLAY_ORIG && ini_entry->modified) {
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value = ini_entry->orig_value;
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} else if (ini_entry->value) {
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value = ini_entry->value;
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} else {
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value = NULL;
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}
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if (value) {
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php3_printf("<font color=\"%s\">%s</font>", value, value);
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} else {
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PUTS("<i>no value</i>;");
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}
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}
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static int php_ini_displayer(php_ini_entry *ini_entry, int module_number)
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{
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if (ini_entry->module_number != module_number) {
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return 0;
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}
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PUTS("<tr><td align=\"center\" bgcolor=\"" PHP_ENTRY_NAME_COLOR "\">");
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PHPWRITE(ini_entry->name, ini_entry->name_length-1);
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PUTS("<td align=\"center\" bgcolor=\"" PHP_CONTENTS_COLOR "\">");
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php_ini_displayer_cb(ini_entry, PHP_INI_DISPLAY_ACTIVE);
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PUTS("</td><td align=\"center\" bgcolor=\"" PHP_CONTENTS_COLOR "\">");
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php_ini_displayer_cb(ini_entry, PHP_INI_DISPLAY_ORIG);
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PUTS("</td></tr>\n");
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return 0;
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}
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PHPAPI void display_ini_entries(zend_module_entry *module)
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{
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int module_number;
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if (module) {
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module_number = module->module_number;
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} else {
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module_number = 0;
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}
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PUTS("<table border=5 width=\"600\">\n");
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php_info_print_table_header(3, "Directive", "Local Value", "Master Value");
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zend_hash_apply_with_argument(&known_directives, (int (*)(void *, void *)) php_ini_displayer, (void *) (long) module_number);
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PUTS("</table>\n");
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}
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/* Standard message handlers */
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PHP_INI_MH(OnUpdateInt)
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{
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long *p;
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#ifndef ZTS
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char *base = (char *) mh_arg2;
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#else
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char *base;
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base = (char *) ts_resource(*((int *) mh_arg2));
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#endif
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p = (long *) (base+(size_t) mh_arg1);
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*p = atoi(new_value);
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return SUCCESS;
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}
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PHP_INI_MH(OnUpdateReal)
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{
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double *p;
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#ifndef ZTS
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char *base = (char *) mh_arg2;
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#else
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char *base;
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base = (char *) ts_resource(*((int *) mh_arg2));
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#endif
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p = (double *) (base+(size_t) mh_arg1);
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*p = strtod(new_value, NULL);
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return SUCCESS;
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}
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PHP_INI_MH(OnUpdateString)
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{
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char **p;
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#ifndef ZTS
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char *base = (char *) mh_arg2;
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#else
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char *base;
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base = (char *) ts_resource(*((int *) mh_arg2));
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#endif
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p = (char **) (base+(size_t) mh_arg1);
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*p = new_value;
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return SUCCESS;
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}
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PHP_INI_MH(OnUpdateStringUnempty)
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{
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char **p;
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#ifndef ZTS
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char *base = (char *) mh_arg2;
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#else
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char *base;
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base = (char *) ts_resource(*((int *) mh_arg2));
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#endif
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if (new_value && !new_value[0]) {
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return FAILURE;
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}
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p = (char **) (base+(size_t) mh_arg1);
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*p = new_value;
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return SUCCESS;
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}
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