From 6de7dc5879b3605a180dafa05f792f132eafdcaa Mon Sep 17 00:00:00 2001 From: Daniel Stenberg Date: Thu, 3 Jan 2002 10:22:59 +0000 Subject: Sterling Hughes' provided initial DNS cache source code. --- lib/hash.h | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 86 insertions(+) create mode 100644 lib/hash.h (limited to 'lib/hash.h') diff --git a/lib/hash.h b/lib/hash.h new file mode 100644 index 000000000..420bb899f --- /dev/null +++ b/lib/hash.h @@ -0,0 +1,86 @@ +#ifndef __HASH_H +#define __HASH_H +/***************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 2000, Daniel Stenberg, , et al. + * + * In order to be useful for every potential user, curl and libcurl are + * dual-licensed under the MPL and the MIT/X-derivate licenses. + * + * You may opt to use, copy, modify, merge, publish, distribute and/or sell + * copies of the Software, and permit persons to whom the Software is + * furnished to do so, under the terms of the MPL or the MIT/X-derivate + * licenses. You may pick one of these licenses. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + * $Id$ + *****************************************************************************/ + +#include "setup.h" + +#include "setup.h" + +#include + +#include "llist.h" + +#define CURL_HASH_KEY_IS_STRING 0 +#define CURL_HASH_KEY_IS_NUM 1 + +typedef void (*curl_hash_dtor)(void *); + +typedef struct _curl_hash { + curl_llist **table; + curl_hash_dtor dtor; + int slots; + size_t size; +} curl_hash; + +typedef struct _curl_hash_key { + union { + struct { + char *val; + unsigned int len; + } str; + + unsigned long num; + } value; + + int type; +} curl_hash_key; + +typedef struct _curl_hash_element { + curl_hash_key key; + void *ptr; +} curl_hash_element; + + +void curl_hash_init(curl_hash *h, int slots, curl_hash_dtor dtor); +curl_hash *curl_hash_alloc(int slots, curl_hash_dtor dtor); +int curl_hash_add_or_update(curl_hash *h, char *str_key, unsigned int str_key_len, + unsigned long num_key, const void *p); +int curl_hash_extended_delete(curl_hash *h, char *str_key, unsigned int str_key_len, + unsigned long num_key); +int curl_hash_extended_find(curl_hash *h, char *str_key, unsigned int str_key_len, + unsigned long num_key, void **p); +void curl_hash_apply(curl_hash *h, void *user, void (*cb)(void *, curl_hash_element *)); +void curl_hash_clean(curl_hash *h); +void curl_hash_destroy(curl_hash *h); + +#define curl_hash_find(h, key, key_len, p) curl_hash_extended_find(h, key, key_len, 0, p) +#define curl_hash_delete(h, key, key_len) curl_hash_extended_delete(h, key, key_len, 0) +#define curl_hash_add(h, key, key_len, p) curl_hash_add_or_update(h, key, key_len, 0, p) +#define curl_hash_update curl_hash_add +#define curl_hash_index_find(h, key, p) curl_hash_extended_find(h, NULL, 0, key, p) +#define curl_hash_index_delete(h, key) curl_hash_extended_delete(h, NULL, 0, key) +#define curl_hash_index_add(h, key, p) curl_hash_add_or_update(h, NULL, 0, key, p) +#define curl_hash_index_update curl_hash_index_add + +#endif -- cgit v1.2.3