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diff --git a/lib/hash.h b/lib/hash.h
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+#ifndef HEADER_CURL_HASH_H
+#define HEADER_CURL_HASH_H
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * 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 COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "setup.h"
+
+#include <stddef.h>
+
+#include "llist.h"
+
+/* Hash function prototype */
+typedef size_t (*hash_function) (void* key,
+ size_t key_length,
+ size_t slots_num);
+
+/*
+ Comparator function prototype. Compares two keys.
+*/
+typedef size_t (*comp_function) (void* key1,
+ size_t key1_len,
+ void*key2,
+ size_t key2_len);
+
+typedef void (*curl_hash_dtor)(void *);
+
+struct curl_hash {
+ struct curl_llist **table;
+
+ /* Hash function to be used for this hash table */
+ hash_function hash_func;
+
+ /* Comparator function to compare keys */
+ comp_function comp_func;
+ curl_hash_dtor dtor;
+ int slots;
+ size_t size;
+};
+
+struct curl_hash_element {
+ void *ptr;
+ char *key;
+ size_t key_len;
+};
+
+struct curl_hash_iterator {
+ struct curl_hash *hash;
+ int slot_index;
+ struct curl_llist_element *current_element;
+};
+
+int Curl_hash_init(struct curl_hash *h,
+ int slots,
+ hash_function hfunc,
+ comp_function comparator,
+ curl_hash_dtor dtor);
+
+struct curl_hash *Curl_hash_alloc(int slots,
+ hash_function hfunc,
+ comp_function comparator,
+ curl_hash_dtor dtor);
+
+void *Curl_hash_add(struct curl_hash *h, void *key, size_t key_len, void *p);
+int Curl_hash_delete(struct curl_hash *h, void *key, size_t key_len);
+void *Curl_hash_pick(struct curl_hash *, void * key, size_t key_len);
+void Curl_hash_apply(struct curl_hash *h, void *user,
+ void (*cb)(void *user, void *ptr));
+int Curl_hash_count(struct curl_hash *h);
+void Curl_hash_clean(struct curl_hash *h);
+void Curl_hash_clean_with_criterium(struct curl_hash *h, void *user,
+ int (*comp)(void *, void *));
+void Curl_hash_destroy(struct curl_hash *h);
+
+size_t Curl_hash_str(void* key, size_t key_length, size_t slots_num);
+size_t Curl_str_key_compare(void*k1, size_t key1_len, void*k2,
+ size_t key2_len);
+
+void Curl_hash_start_iterate(struct curl_hash *hash,
+ struct curl_hash_iterator *iter);
+struct curl_hash_element *
+Curl_hash_next_element(struct curl_hash_iterator *iter);
+
+void Curl_hash_print(struct curl_hash *h,
+ void (*func)(void *));
+
+
+#endif /* HEADER_CURL_HASH_H */
+