diff options
| -rw-r--r-- | timeprefix.c | 37 |
1 files changed, 32 insertions, 5 deletions
diff --git a/timeprefix.c b/timeprefix.c index 1b2544b..9cc9585 100644 --- a/timeprefix.c +++ b/timeprefix.c @@ -1,18 +1,38 @@ /* See LICENSE file for copyright and license details. */ +#include <sys/timex.h> #include <stdio.h> #include <stdlib.h> #include <time.h> +#include <unistd.h> + static void printline(const char *line) { - static struct timespec boottime; - time_t realtime; + static struct timex timex; /* static to zero initialise it */ + struct timespec boottime; struct tm *utctime; + int r; clock_gettime(CLOCK_BOOTTIME, &boottime); - realtime = time(NULL); - utctime = gmtime(&realtime); + r = adjtimex(&timex); + if (timex.time.tv_sec % (24 * 60 * 60) == 0) { + if (r == TIME_INS) { + timex.time.tv_sec -= 1; + utctime = gmtime(&timex.time.tv_sec); + utctime->tm_sec += 1; + } else if (r == TIME_DEL) { + timex.time.tv_sec += 1; + utctime = gmtime(&timex.time.tv_sec); + } else { + utctime = gmtime(&timex.time.tv_sec); + } + } else if (r == TIME_OOP) { + utctime = gmtime(&timex.time.tv_sec); + utctime->tm_sec += 1; + } else { + utctime = gmtime(&timex.time.tv_sec); + } printf("[%010lu.%04lu %i-%02i-%02i %02i:%02i:%02i UTC] %s", boottime.tv_sec, boottime.tv_nsec / 100000, @@ -24,11 +44,18 @@ printline(const char *line) } int -main(void) +main(int argc, char *argv[]) { char *buf = NULL; size_t siz = 0; + if (argc > 1 && argv[1][0] == '-' && argv[1][1] == '-' && !argv[1][2]) + argc -= 1; + if (argc > 1) { + fprintf(stderr, "usage: %s\n", argv[0]); + return 1; + } + printline("--- Program started ---\n"); while (getline(&buf, &siz, stdin) != -1) printline(buf); |