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| author | Mitja Felicijan <mitja.felicijan@gmail.com> | 2026-01-21 22:40:55 +0100 |
|---|---|---|
| committer | Mitja Felicijan <mitja.felicijan@gmail.com> | 2026-01-21 22:40:55 +0100 |
| commit | 5d8dfe892a2ea89f706ee140c3bdcfd89fe03fda (patch) | |
| tree | 1acdfa5220cd13b7be43a2a01368e80d306473ca /examples/redis-unstable/src/listpack.h | |
| parent | c7ab12bba64d9c20ccd79b132dac475f7bc3923e (diff) | |
| download | crep-5d8dfe892a2ea89f706ee140c3bdcfd89fe03fda.tar.gz | |
Add Redis source code for testing
Diffstat (limited to 'examples/redis-unstable/src/listpack.h')
| -rw-r--r-- | examples/redis-unstable/src/listpack.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/examples/redis-unstable/src/listpack.h b/examples/redis-unstable/src/listpack.h new file mode 100644 index 0000000..06723d2 --- /dev/null +++ b/examples/redis-unstable/src/listpack.h @@ -0,0 +1,97 @@ +/* Listpack -- A lists of strings serialization format + * + * This file implements the specification you can find at: + * + * https://github.com/antirez/listpack + * + * Copyright (c) 2017-Present, Redis Ltd. + * All rights reserved. + * + * Licensed under your choice of (a) the Redis Source Available License 2.0 + * (RSALv2); or (b) the Server Side Public License v1 (SSPLv1); or (c) the + * GNU Affero General Public License v3 (AGPLv3). + */ + +#ifndef __LISTPACK_H +#define __LISTPACK_H + +#include <stdlib.h> +#include <stdint.h> + +#define LP_INTBUF_SIZE 21 /* 20 digits of -2^63 + 1 null term = 21. */ + +/* lpInsert() where argument possible values: */ +#define LP_BEFORE 0 +#define LP_AFTER 1 +#define LP_REPLACE 2 + +/* Each entry in the listpack is either a string or an integer. */ +typedef struct { + /* When string is used, it is provided with the length (slen). */ + unsigned char *sval; + uint32_t slen; + /* When integer is used, 'sval' is NULL, and lval holds the value. */ + long long lval; +} listpackEntry; + +unsigned char *lpNew(size_t capacity); +void lpFree(unsigned char *lp); +unsigned char* lpShrinkToFit(unsigned char *lp); +unsigned char *lpInsertString(unsigned char *lp, unsigned char *s, uint32_t slen, + unsigned char *p, int where, unsigned char **newp); +unsigned char *lpInsertInteger(unsigned char *lp, long long lval, + unsigned char *p, int where, unsigned char **newp); +unsigned char *lpPrepend(unsigned char *lp, unsigned char *s, uint32_t slen); +unsigned char *lpPrependInteger(unsigned char *lp, long long lval); +unsigned char *lpAppend(unsigned char *lp, unsigned char *s, uint32_t slen); +unsigned char *lpAppendInteger(unsigned char *lp, long long lval); +unsigned char *lpReplace(unsigned char *lp, unsigned char **p, unsigned char *s, uint32_t slen); +unsigned char *lpReplaceInteger(unsigned char *lp, unsigned char **p, long long lval); +unsigned char *lpDelete(unsigned char *lp, unsigned char *p, unsigned char **newp); +unsigned char *lpDeleteRangeWithEntry(unsigned char *lp, unsigned char **p, unsigned long num); +unsigned char *lpDeleteRange(unsigned char *lp, long index, unsigned long num); +unsigned char *lpBatchAppend(unsigned char *lp, listpackEntry *entries, unsigned long len); +unsigned char *lpBatchInsert(unsigned char *lp, unsigned char *p, int where, + listpackEntry *entries, unsigned int len, unsigned char **newp); +unsigned char *lpBatchDelete(unsigned char *lp, unsigned char **ps, unsigned long count); +unsigned char *lpMerge(unsigned char **first, unsigned char **second); +unsigned char *lpDup(unsigned char *lp); +unsigned long lpLength(unsigned char *lp); +unsigned char *lpGet(unsigned char *p, int64_t *count, unsigned char *intbuf); +unsigned char *lpGetValue(unsigned char *p, unsigned int *slen, long long *lval); +int lpGetIntegerValue(unsigned char *p, long long *lval); +unsigned char *lpFind(unsigned char *lp, unsigned char *p, unsigned char *s, uint32_t slen, unsigned int skip); +typedef int (*lpCmp)(const unsigned char *lp, unsigned char *p, void *user, unsigned char *s, long long slen); +unsigned char *lpFindCb(unsigned char *lp, unsigned char *p, void *user, lpCmp cmp, unsigned int skip); +unsigned char *lpFirst(unsigned char *lp); +unsigned char *lpLast(unsigned char *lp); +unsigned char *lpNext(unsigned char *lp, unsigned char *p); +unsigned char *lpNextWithBytes(unsigned char *lp, unsigned char *p, const size_t lpbytes); +unsigned char *lpPrev(unsigned char *lp, unsigned char *p); +size_t lpBytes(unsigned char *lp); +size_t lpEntrySizeInteger(long long lval); +size_t lpEstimateBytesRepeatedInteger(long long lval, unsigned long rep); +unsigned char *lpSeek(unsigned char *lp, long index); +typedef int (*listpackValidateEntryCB)(unsigned char *p, unsigned int head_count, void *userdata); +int lpValidateIntegrity(unsigned char *lp, size_t size, int deep, + listpackValidateEntryCB entry_cb, void *cb_userdata); +unsigned char *lpValidateFirst(unsigned char *lp); +int lpValidateNext(unsigned char *lp, unsigned char **pp, size_t lpbytes); +unsigned int lpCompare(unsigned char *p, unsigned char *s, uint32_t slen, long long *cached_longval, int *cached_valid); +void lpRandomPair(unsigned char *lp, unsigned long total_count, + listpackEntry *key, listpackEntry *val, int tuple_len); +void lpRandomPairs(unsigned char *lp, unsigned int count, + listpackEntry *keys, listpackEntry *vals, int tuple_len); +unsigned int lpRandomPairsUnique(unsigned char *lp, unsigned int count, + listpackEntry *keys, listpackEntry *vals, int tuple_len); +void lpRandomEntries(unsigned char *lp, unsigned int count, listpackEntry *entries); +unsigned char *lpNextRandom(unsigned char *lp, unsigned char *p, unsigned int *index, + unsigned int remaining, int tuple_len); +int lpSafeToAdd(unsigned char* lp, size_t add); +void lpRepr(unsigned char *lp); + +#ifdef REDIS_TEST +int listpackTest(int argc, char *argv[], int flags); +#endif + +#endif |
