1/*
2 * Copyright (c) 2009-2012, Salvatore Sanfilippo <antirez at gmail dot com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * * Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * * Neither the name of Redis nor the names of its contributors may be used
14 * to endorse or promote products derived from this software without
15 * specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 */
29
30/* Every time the Redis Git SHA1 or Dirty status changes only this small
31 * file is recompiled, as we access this information in all the other
32 * files using this functions. */
33
34#include <string.h>
35#include <stdio.h>
36
37#include "release.h"
38#include "version.h"
39#include "crc64.h"
40
41char *redisGitSHA1(void) {
42 return REDIS_GIT_SHA1;
43}
44
45char *redisGitDirty(void) {
46 return REDIS_GIT_DIRTY;
47}
48
49uint64_t redisBuildId(void) {
50 char *buildid = REDIS_VERSION REDIS_BUILD_ID REDIS_GIT_DIRTY REDIS_GIT_SHA1;
51
52 return crc64(0,(unsigned char*)buildid,strlen(buildid));
53}
54
55/* Return a cached value of the build string in order to avoid recomputing
56 * and converting it in hex every time: this string is shown in the INFO
57 * output that should be fast. */
58char *redisBuildIdString(void) {
59 static char buf[32];
60 static int cached = 0;
61 if (!cached) {
62 snprintf(buf,sizeof(buf),"%llx",(unsigned long long) redisBuildId());
63 cached = 1;
64 }
65 return buf;
66}
67