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authorDaniel Stenberg <daniel@haxx.se>2002-01-03 10:22:59 +0000
committerDaniel Stenberg <daniel@haxx.se>2002-01-03 10:22:59 +0000
commit6de7dc5879b3605a180dafa05f792f132eafdcaa (patch)
tree9684f8c2427082965204ee5589a2ee1e5dc6191d /lib/llist.h
parent6aaee5f23bdc75826a733e40335078b97bfe1967 (diff)
downloadcurl-6de7dc5879b3605a180dafa05f792f132eafdcaa.tar.gz
Sterling Hughes' provided initial DNS cache source code.
Diffstat (limited to 'lib/llist.h')
-rw-r--r--lib/llist.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/lib/llist.h b/lib/llist.h
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+++ b/lib/llist.h
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+#ifndef __LLIST_H
+#define __LLIST_H
+/*****************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2001, Daniel Stenberg, <daniel@haxx.se>, 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 <stddef.h>
+
+typedef void (*curl_llist_dtor)(void *, void *);
+
+typedef struct _curl_llist_element {
+ void *ptr;
+
+ struct _curl_llist_element *prev;
+ struct _curl_llist_element *next;
+} curl_llist_element;
+
+typedef struct _curl_llist {
+ curl_llist_element *head;
+ curl_llist_element *tail;
+
+ curl_llist_dtor dtor;
+
+ size_t size;
+} curl_llist;
+
+void curl_llist_init(curl_llist *, curl_llist_dtor);
+curl_llist *curl_llist_alloc(curl_llist_dtor);
+int curl_llist_insert_next(curl_llist *, curl_llist_element *, const void *);
+int curl_llist_insert_prev(curl_llist *, curl_llist_element *, const void *);
+int curl_llist_remove(curl_llist *, curl_llist_element *, void *);
+int curl_llist_remove_next(curl_llist *, curl_llist_element *, void *);
+size_t curl_llist_count(curl_llist *);
+void curl_llist_destroy(curl_llist *, void *);
+
+#define CURL_LLIST_HEAD(__l) ((__l)->head)
+#define CURL_LLIST_TAIL(__l) ((__l)->tail)
+#define CURL_LLIST_NEXT(__e) ((__e)->next)
+#define CURL_LLIST_PREV(__e) ((__e)->prev)
+#define CURL_LLIST_VALP(__e) ((__e)->ptr)
+#define CURL_LLIST_IS_TAIL(__e) ((__e)->next ? 0 : 1)
+#define CURL_LLIST_IS_HEAD(__e) ((__e)->prev ? 0 : 1)
+
+#endif