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059ec3d9 PH |
1 | /************************************************* |
2 | * Exim - an Internet mail transport agent * | |
3 | *************************************************/ | |
4 | ||
0a49a7a4 | 5 | /* Copyright (c) University of Cambridge 1995 - 2009 */ |
f9ba5e22 | 6 | /* Copyright (c) The Exim Maintainers 2010 - 2018 */ |
059ec3d9 PH |
7 | /* See the file NOTICE for conditions of use and distribution. */ |
8 | ||
9 | /* Function for setting up the version string. */ | |
10 | ||
11 | #include "exim.h" | |
12 | ||
6545de78 | 13 | #include "version.h" |
059ec3d9 PH |
14 | |
15 | ||
16 | /* The header file cnumber.h contains a single line containing the | |
17 | compilation number, making it easy to have it updated automatically. | |
18 | Hence the fudgery below to get the number turned into a string, since | |
19 | we can't use #include inside a macro argument list */ | |
20 | ||
21 | void | |
22 | version_init(void) | |
23 | { | |
24 | static uschar cnumber_buffer[24]; | |
25 | static uschar date_buffer[32]; | |
26 | ||
27 | uschar today[20]; | |
28 | uschar *version_cnumber_format; | |
29 | ||
30 | int cnumber = | |
31 | #include "cnumber.h" | |
32 | ; | |
33 | ||
34 | /* The odd magic after each of these is so they can be easily found | |
35 | for automatic patching to standard values when running regression tests. | |
36 | The reason that version_cnumber_format isn't just written inline in the | |
37 | sprintf() call is the gcc -Wall warns about a \0 in a format string. */ | |
38 | ||
39 | version_cnumber = cnumber_buffer; | |
40 | version_cnumber_format = US"%d\0<<eximcnumber>>"; | |
41 | sprintf(CS version_cnumber, CS version_cnumber_format, cnumber); | |
6545de78 | 42 | version_string = US EXIM_VERSION_STR "\0<<eximversion>>"; |
059ec3d9 | 43 | |
6e411084 PP |
44 | #ifdef EXIM_BUILD_DATE_OVERRIDE |
45 | /* Reproducible build support; build tooling should have given us something looking like | |
46 | * "25-Feb-2017 20:15:40" in EXIM_BUILD_DATE_OVERRIDE based on $SOURCE_DATE_EPOCH in environ | |
47 | * per <https://reproducible-builds.org/specs/source-date-epoch/> | |
48 | */ | |
49 | version_date = date_buffer; | |
50 | version_date[0] = 0; | |
51 | Ustrncat(version_date, EXIM_BUILD_DATE_OVERRIDE, sizeof(date_buffer)); | |
52 | ||
53 | #else | |
059ec3d9 PH |
54 | Ustrcpy(today, __DATE__); |
55 | if (today[4] == ' ') today[4] = '0'; | |
56 | today[3] = today[6] = '-'; | |
57 | ||
58 | version_date = date_buffer; | |
59 | version_date[0] = 0; | |
60 | Ustrncat(version_date, today+4, 3); | |
61 | Ustrncat(version_date, today, 4); | |
62 | Ustrncat(version_date, today+7, 4); | |
63 | Ustrcat(version_date, " "); | |
64 | Ustrcat(version_date, __TIME__); | |
6e411084 | 65 | #endif |
059ec3d9 PH |
66 | } |
67 | ||
68 | /* End of version.c */ |