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ap_regkey.h
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/* Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * @file ap_regkey.h * @brief APR-style Win32 Registry Manipulation */ #ifndef AP_REGKEY_H #define AP_REGKEY_H #if defined(WIN32) || defined(DOXYGEN) #include "apr.h" #include "apr_pools.h" #include "ap_config.h" /* Just for AP_DECLARE */ #ifdef __cplusplus extern "C" { #endif typedef struct ap_regkey_t ap_regkey_t; /* Used to recover AP_REGKEY_* constants */ AP_DECLARE(const ap_regkey_t *) ap_regkey_const(int i); /** * Win32 Only: Constants for ap_regkey_open() */ #define AP_REGKEY_CLASSES_ROOT ap_regkey_const(0) #define AP_REGKEY_CURRENT_CONFIG ap_regkey_const(1) #define AP_REGKEY_CURRENT_USER ap_regkey_const(2) #define AP_REGKEY_LOCAL_MACHINE ap_regkey_const(3) #define AP_REGKEY_USERS ap_regkey_const(4) #define AP_REGKEY_PERFORMANCE_DATA ap_regkey_const(5) #define AP_REGKEY_DYN_DATA ap_regkey_const(6) /** * Win32 Only: Flags for ap_regkey_value_set() */ #define AP_REGKEY_EXPAND 0x0001 /** * Win32 Only: Open the specified registry key. * @param newkey The opened registry key * @param parentkey The open registry key of the parent, or one of * <PRE> * AP_REGKEY_CLASSES_ROOT * AP_REGKEY_CURRENT_CONFIG * AP_REGKEY_CURRENT_USER * AP_REGKEY_LOCAL_MACHINE * AP_REGKEY_USERS * AP_REGKEY_PERFORMANCE_DATA * AP_REGKEY_DYN_DATA * </PRE> * @param keyname The path of the key relative to the parent key * @param flags Or'ed value of: * <PRE> * APR_READ open key for reading * APR_WRITE open key for writing * APR_CREATE create the key if it doesn't exist * APR_EXCL return error if APR_CREATE and key exists * </PRE> * @param pool The pool in which newkey is allocated */ AP_DECLARE(apr_status_t) ap_regkey_open(ap_regkey_t **newkey, const ap_regkey_t *parentkey, const char *keyname, apr_int32_t flags, apr_pool_t *pool); /** * Win32 Only: Close the registry key opened or created by ap_regkey_open(). * @param key The registry key to close */ AP_DECLARE(apr_status_t) ap_regkey_close(ap_regkey_t *key); /** * Win32 Only: Remove the given registry key. * @param parent The open registry key of the parent, or one of * <PRE> * AP_REGKEY_CLASSES_ROOT * AP_REGKEY_CURRENT_CONFIG * AP_REGKEY_CURRENT_USER * AP_REGKEY_LOCAL_MACHINE * AP_REGKEY_USERS * AP_REGKEY_PERFORMANCE_DATA * AP_REGKEY_DYN_DATA * </PRE> * @param keyname The path of the key relative to the parent key * @param pool The pool used for temp allocations * @remark ap_regkey_remove() is not recursive, although it removes * all values within the given keyname, it will not remove a key * containing subkeys. */ AP_DECLARE(apr_status_t) ap_regkey_remove(const ap_regkey_t *parent, const char *keyname, apr_pool_t *pool); /** * Win32 Only: Retrieve a registry value string from an open key. * @param result The string value retrieved * @param key The registry key to retrieve the value from * @param valuename The named value to retrieve (pass "" for the default) * @param pool The pool used to store the result * @remark There is no toggle to prevent environment variable expansion * if the registry value is set with AP_REG_EXPAND (REG_EXPAND_SZ), such * expansions are always performed. */ AP_DECLARE(apr_status_t) ap_regkey_value_get(char **result, ap_regkey_t *key, const char *valuename, apr_pool_t *pool); /** * Win32 Only: Store a registry value string into an open key. * @param key The registry key to store the value into * @param valuename The named value to store (pass "" for the default) * @param value The string to store for the named value * @param flags The option AP_REGKEY_EXPAND or 0, where AP_REGKEY_EXPAND * values will find all %foo% variables expanded from the environment. * @param pool The pool used for temp allocations */ AP_DECLARE(apr_status_t) ap_regkey_value_set(ap_regkey_t *key, const char *valuename, const char *value, apr_int32_t flags, apr_pool_t *pool); /** * Win32 Only: Retrieve a raw byte value from an open key. * @param result The raw bytes value retrieved * @param resultsize Pointer to a variable to store the number raw bytes retrieved * @param resulttype Pointer to a variable to store the registry type of the value retrieved * @param key The registry key to retrieve the value from * @param valuename The named value to retrieve (pass "" for the default) * @param pool The pool used to store the result */ AP_DECLARE(apr_status_t) ap_regkey_value_raw_get(void **result, apr_size_t *resultsize, apr_int32_t *resulttype, ap_regkey_t *key, const char *valuename, apr_pool_t *pool); /** * Win32 Only: Store a raw bytes value into an open key. * @param key The registry key to store the value into * @param valuename The named value to store (pass "" for the default) * @param value The bytes to store for the named value * @param valuesize The number of bytes for value * @param valuetype The * values will find all %foo% variables expanded from the environment. * @param pool The pool used for temp allocations */ AP_DECLARE(apr_status_t) ap_regkey_value_raw_set(ap_regkey_t *key, const char *valuename, const void *value, apr_size_t valuesize, apr_int32_t valuetype, apr_pool_t *pool); /** * Win32 Only: Retrieve a registry value string from an open key. * @param result The string elements retrieved from a REG_MULTI_SZ string array * @param key The registry key to retrieve the value from * @param valuename The named value to retrieve (pass "" for the default) * @param pool The pool used to store the result */ AP_DECLARE(apr_status_t) ap_regkey_value_array_get(apr_array_header_t **result, ap_regkey_t *key, const char *valuename, apr_pool_t *pool); /** * Win32 Only: Store a registry value string array into an open key. * @param key The registry key to store the value into * @param valuename The named value to store (pass "" for the default) * @param nelts The string elements to store in a REG_MULTI_SZ string array * @param elts The number of elements in the elts string array * @param pool The pool used for temp allocations */ AP_DECLARE(apr_status_t) ap_regkey_value_array_set(ap_regkey_t *key, const char *valuename, int nelts, const char * const * elts, apr_pool_t *pool); /** * Win32 Only: Remove a registry value from an open key. * @param key The registry key to remove the value from * @param valuename The named value to remove (pass "" for the default) * @param pool The pool used for temp allocations */ AP_DECLARE(apr_status_t) ap_regkey_value_remove(const ap_regkey_t *key, const char *valuename, apr_pool_t *pool); #ifdef __cplusplus } #endif #endif /* def WIN32 || def DOXYGEN */ #endif /* AP_REGKEY_H */