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author | antirez <antirez@gmail.com> | 2010-06-22 00:07:48 +0200 |
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committer | antirez <antirez@gmail.com> | 2010-07-01 14:38:51 +0200 |
commit | e2641e09cc0daf44f63f654230f72d22acf3a9af (patch) | |
tree | f0443876d28414f7c80787593e5f35a9f9c87747 /src/adlist.h | |
parent | c2ff0e90b8ce84d7b966622ffe0178303bb0a625 (diff) | |
download | redis-e2641e09cc0daf44f63f654230f72d22acf3a9af.tar.gz |
redis.c split into many different C files.
networking related stuff moved into networking.c
moved more code
more work on layout of source code
SDS instantaneuos memory saving. By Pieter and Salvatore at VMware ;)
cleanly compiling again after the first split, now splitting it in more C files
moving more things around... work in progress
split replication code
splitting more
Sets split
Hash split
replication split
even more splitting
more splitting
minor change
Diffstat (limited to 'src/adlist.h')
-rw-r--r-- | src/adlist.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/adlist.h b/src/adlist.h new file mode 100644 index 000000000..a1209f62f --- /dev/null +++ b/src/adlist.h @@ -0,0 +1,92 @@ +/* adlist.h - A generic doubly linked list implementation + * + * Copyright (c) 2006-2010, Salvatore Sanfilippo <antirez at gmail dot com> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Redis nor the names of its contributors may be used + * to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __ADLIST_H__ +#define __ADLIST_H__ + +/* Node, List, and Iterator are the only data structures used currently. */ + +typedef struct listNode { + struct listNode *prev; + struct listNode *next; + void *value; +} listNode; + +typedef struct listIter { + listNode *next; + int direction; +} listIter; + +typedef struct list { + listNode *head; + listNode *tail; + void *(*dup)(void *ptr); + void (*free)(void *ptr); + int (*match)(void *ptr, void *key); + unsigned int len; +} list; + +/* Functions implemented as macros */ +#define listLength(l) ((l)->len) +#define listFirst(l) ((l)->head) +#define listLast(l) ((l)->tail) +#define listPrevNode(n) ((n)->prev) +#define listNextNode(n) ((n)->next) +#define listNodeValue(n) ((n)->value) + +#define listSetDupMethod(l,m) ((l)->dup = (m)) +#define listSetFreeMethod(l,m) ((l)->free = (m)) +#define listSetMatchMethod(l,m) ((l)->match = (m)) + +#define listGetDupMethod(l) ((l)->dup) +#define listGetFree(l) ((l)->free) +#define listGetMatchMethod(l) ((l)->match) + +/* Prototypes */ +list *listCreate(void); +void listRelease(list *list); +list *listAddNodeHead(list *list, void *value); +list *listAddNodeTail(list *list, void *value); +list *listInsertNode(list *list, listNode *old_node, void *value, int after); +void listDelNode(list *list, listNode *node); +listIter *listGetIterator(list *list, int direction); +listNode *listNext(listIter *iter); +void listReleaseIterator(listIter *iter); +list *listDup(list *orig); +listNode *listSearchKey(list *list, void *key); +listNode *listIndex(list *list, int index); +void listRewind(list *list, listIter *li); +void listRewindTail(list *list, listIter *li); + +/* Directions for iterators */ +#define AL_START_HEAD 0 +#define AL_START_TAIL 1 + +#endif /* __ADLIST_H__ */ |