00001 /* Licensed to the Apache Software Foundation (ASF) under one or more 00002 * contributor license agreements. See the NOTICE file distributed with 00003 * this work for additional information regarding copyright ownership. 00004 * The ASF licenses this file to You under the Apache License, Version 2.0 00005 * (the "License"); you may not use this file except in compliance with 00006 * the License. You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00017 #ifndef APR_ENV_H 00018 #define APR_ENV_H 00019 /** 00020 * @file apr_env.h 00021 * @brief APR Environment functions 00022 */ 00023 #include "apr_errno.h" 00024 #include "apr_pools.h" 00025 00026 #ifdef __cplusplus 00027 extern "C" { 00028 #endif /* __cplusplus */ 00029 00030 /** 00031 * @defgroup apr_env Functions for manipulating the environment 00032 * @ingroup APR 00033 * @{ 00034 */ 00035 00036 /** 00037 * Get the value of an environment variable 00038 * @param value the returned value, allocated from @a pool 00039 * @param envvar the name of the environment variable 00040 * @param pool where to allocate @a value and any temporary storage from 00041 */ 00042 APR_DECLARE(apr_status_t) apr_env_get(char **value, const char *envvar, 00043 apr_pool_t *pool); 00044 00045 /** 00046 * Set the value of an environment variable 00047 * @param envvar the name of the environment variable 00048 * @param value the value to set 00049 * @param pool where to allocate temporary storage from 00050 */ 00051 APR_DECLARE(apr_status_t) apr_env_set(const char *envvar, const char *value, 00052 apr_pool_t *pool); 00053 00054 /** 00055 * Delete a variable from the environment 00056 * @param envvar the name of the environment variable 00057 * @param pool where to allocate temporary storage from 00058 */ 00059 APR_DECLARE(apr_status_t) apr_env_delete(const char *envvar, apr_pool_t *pool); 00060 00061 /** @} */ 00062 00063 #ifdef __cplusplus 00064 } 00065 #endif 00066 00067 #endif /* ! APR_ENV_H */
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