1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2009 */
6 /* Copyright (c) The Exim Maintainers 2010 - 2018 */
7 /* See the file NOTICE for conditions of use and distribution. */
9 /* Function for setting up the version string. */
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 */
24 static uschar cnumber_buffer
[24];
25 static uschar date_buffer
[32];
28 uschar
*version_cnumber_format
;
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. */
39 version_cnumber
= cnumber_buffer
;
40 version_cnumber_format
= US
"%d\0<<eximcnumber>>";
41 sprintf(CS version_cnumber
, CS version_cnumber_format
, cnumber
);
42 version_string
= US EXIM_VERSION_STR
"\0<<eximversion>>";
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/>
49 version_date
= date_buffer
;
51 Ustrncat(version_date
, EXIM_BUILD_DATE_OVERRIDE
, sizeof(date_buffer
));
54 Ustrcpy(today
, __DATE__
);
55 if (today
[4] == ' ') today
[4] = '0';
56 today
[3] = today
[6] = '-';
58 version_date
= date_buffer
;
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__
);
68 /* End of version.c */