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Diffstat (limited to 'rubbos/app/httpd-2.0.64/srclib/apr/include/apr_hash.h')
| -rw-r--r-- | rubbos/app/httpd-2.0.64/srclib/apr/include/apr_hash.h | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/include/apr_hash.h b/rubbos/app/httpd-2.0.64/srclib/apr/include/apr_hash.h deleted file mode 100644 index 87795c4a..00000000 --- a/rubbos/app/httpd-2.0.64/srclib/apr/include/apr_hash.h +++ /dev/null @@ -1,201 +0,0 @@ -/* 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. - */ - -#ifndef APR_HASH_H -#define APR_HASH_H - -/** - * @file apr_hash.h - * @brief APR Hash Tables - */ - -#include "apr_pools.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/** - * @defgroup apr_hash Hash Tables - * @ingroup APR - * @{ - */ - -/** - * When passing a key to apr_hash_set or apr_hash_get, this value can be - * passed to indicate a string-valued key, and have apr_hash compute the - * length automatically. - * - * @remark apr_hash will use strlen(key) for the length. The null-terminator - * is not included in the hash value (why throw a constant in?). - * Since the hash table merely references the provided key (rather - * than copying it), apr_hash_this() will return the null-term'd key. - */ -#define APR_HASH_KEY_STRING (-1) - -/** - * Abstract type for hash tables. - */ -typedef struct apr_hash_t apr_hash_t; - -/** - * Abstract type for scanning hash tables. - */ -typedef struct apr_hash_index_t apr_hash_index_t; - -/** - * Create a hash table. - * @param pool The pool to allocate the hash table out of - * @return The hash table just created - */ -APR_DECLARE(apr_hash_t *) apr_hash_make(apr_pool_t *pool); - -/** - * Make a copy of a hash table - * @param pool The pool from which to allocate the new hash table - * @param h The hash table to clone - * @return The hash table just created - * @remark Makes a shallow copy - */ -APR_DECLARE(apr_hash_t *) apr_hash_copy(apr_pool_t *pool, - const apr_hash_t *h); - -/** - * Associate a value with a key in a hash table. - * @param ht The hash table - * @param key Pointer to the key - * @param klen Length of the key. Can be APR_HASH_KEY_STRING to use the string length. - * @param val Value to associate with the key - * @remark If the value is NULL the hash entry is deleted. - */ -APR_DECLARE(void) apr_hash_set(apr_hash_t *ht, const void *key, - apr_ssize_t klen, const void *val); - -/** - * Look up the value associated with a key in a hash table. - * @param ht The hash table - * @param key Pointer to the key - * @param klen Length of the key. Can be APR_HASH_KEY_STRING to use the string length. - * @return Returns NULL if the key is not present. - */ -APR_DECLARE(void *) apr_hash_get(apr_hash_t *ht, const void *key, - apr_ssize_t klen); - -/** - * Start iterating over the entries in a hash table. - * @param p The pool to allocate the apr_hash_index_t iterator. If this - * pool is NULL, then an internal, non-thread-safe iterator is used. - * @param ht The hash table - * @remark There is no restriction on adding or deleting hash entries during - * an iteration (although the results may be unpredictable unless all you do - * is delete the current entry) and multiple iterations can be in - * progress at the same time. - - * @example - */ -/** - * <PRE> - * - * int sum_values(apr_pool_t *p, apr_hash_t *ht) - * { - * apr_hash_index_t *hi; - * void *val; - * int sum = 0; - * for (hi = apr_hash_first(p, ht); hi; hi = apr_hash_next(hi)) { - * apr_hash_this(hi, NULL, NULL, &val); - * sum += *(int *)val; - * } - * return sum; - * } - * </PRE> - */ -APR_DECLARE(apr_hash_index_t *) apr_hash_first(apr_pool_t *p, apr_hash_t *ht); - -/** - * Continue iterating over the entries in a hash table. - * @param hi The iteration state - * @return a pointer to the updated iteration state. NULL if there are no more - * entries. - */ -APR_DECLARE(apr_hash_index_t *) apr_hash_next(apr_hash_index_t *hi); - -/** - * Get the current entry's details from the iteration state. - * @param hi The iteration state - * @param key Return pointer for the pointer to the key. - * @param klen Return pointer for the key length. - * @param val Return pointer for the associated value. - * @remark The return pointers should point to a variable that will be set to the - * corresponding data, or they may be NULL if the data isn't interesting. - */ -APR_DECLARE(void) apr_hash_this(apr_hash_index_t *hi, const void **key, - apr_ssize_t *klen, void **val); - -/** - * Get the number of key/value pairs in the hash table. - * @param ht The hash table - * @return The number of key/value pairs in the hash table. - */ -APR_DECLARE(unsigned int) apr_hash_count(apr_hash_t *ht); - -/** - * Merge two hash tables into one new hash table. The values of the overlay - * hash override the values of the base if both have the same key. - * @param p The pool to use for the new hash table - * @param overlay The table to add to the initial table - * @param base The table that represents the initial values of the new table - * @return A new hash table containing all of the data from the two passed in - */ -APR_DECLARE(apr_hash_t *) apr_hash_overlay(apr_pool_t *p, - const apr_hash_t *overlay, - const apr_hash_t *base); - -/** - * Merge two hash tables into one new hash table. If the same key - * is present in both tables, call the supplied merge function to - * produce a merged value for the key in the new table. - * @param p The pool to use for the new hash table - * @param h1 The first of the tables to merge - * @param h2 The second of the tables to merge - * @param merger A callback function to merge values, or NULL to - * make values from h1 override values from h2 (same semantics as - * apr_hash_overlay()) - * @param data Client data to pass to the merger function - * @return A new hash table containing all of the data from the two passed in - */ -APR_DECLARE(apr_hash_t *) apr_hash_merge(apr_pool_t *p, - const apr_hash_t *h1, - const apr_hash_t *h2, - void * (*merger)(apr_pool_t *p, - const void *key, - apr_ssize_t klen, - const void *h1_val, - const void *h2_val, - const void *data), - const void *data); - -/** - * Get a pointer to the pool which the hash table was created in - */ -APR_POOL_DECLARE_ACCESSOR(hash); - -/** @} */ - -#ifdef __cplusplus -} -#endif - -#endif /* !APR_HASH_H */ |