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author | Mattias Andrée <maandree@member.fsf.org> | 2016-01-03 02:15:31 +0100 |
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committer | Mattias Andrée <maandree@member.fsf.org> | 2016-01-03 02:15:31 +0100 |
commit | ab80d705ed719244d6bee81a02b596061d90323f (patch) | |
tree | 0c2666b1cbc61b67db31d902a1d20e73bef223a9 /src/radharc.c | |
parent | on -l (diff) | |
download | radharc-ab80d705ed719244d6bee81a02b596061d90323f.tar.gz radharc-ab80d705ed719244d6bee81a02b596061d90323f.tar.bz2 radharc-ab80d705ed719244d6bee81a02b596061d90323f.tar.xz |
in case of time-travel
Signed-off-by: Mattias Andrée <maandree@member.fsf.org>
Diffstat (limited to '')
-rw-r--r-- | src/radharc.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/radharc.c b/src/radharc.c index 7b5f1e5..2c5e8c6 100644 --- a/src/radharc.c +++ b/src/radharc.c @@ -20,6 +20,30 @@ * DEALINGS IN THE SOFTWARE. */ #include "settings.h" +#include <stdio.h> +#include <stdlib.h> + + + +/** + * Exit if time the is before year 0 in J2000. + */ +#if defined(TIMETRAVELLER) +static void +check_timetravel(const char *argv0) +{ + struct timespec now; + if (clock_gettime(CLOCK_REALTIME, &now)) + perror(argv0 ? argv0 : "radharc"), exit(1); + if (now.tv_nsec < (time_t)946728000L) + fprintf(stderr, "We have detected that you are a time-traveller" + "(or your clock is not configured correctly.)" + "Please recompile with -DTIMETRAVELLER" + "(or correct your clock.)"), exit(1); +} +#else +# define check_timetravel(_) /* do nothing */ +#endif @@ -28,6 +52,7 @@ main(int argc, char *argv[]) { struct settings settings; + check_timetravel(*argv); parse_command_line(argc, argv, &settings); return 0; |