From 0aa122af455ab6f27f2917e2ab25a09ce79f25a9 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Sat, 9 Dec 2017 18:03:21 +0100 Subject: Cleanup, improve makefile, and change license MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- timeprefix.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 timeprefix.c (limited to 'timeprefix.c') diff --git a/timeprefix.c b/timeprefix.c new file mode 100644 index 0000000..1b2544b --- /dev/null +++ b/timeprefix.c @@ -0,0 +1,39 @@ +/* See LICENSE file for copyright and license details. */ +#include +#include +#include + +static void +printline(const char *line) +{ + static struct timespec boottime; + time_t realtime; + struct tm *utctime; + + clock_gettime(CLOCK_BOOTTIME, &boottime); + realtime = time(NULL); + utctime = gmtime(&realtime); + + printf("[%010lu.%04lu %i-%02i-%02i %02i:%02i:%02i UTC] %s", + boottime.tv_sec, boottime.tv_nsec / 100000, + utctime->tm_year + 1900, utctime->tm_mon + 1, utctime->tm_mday, + utctime->tm_hour, utctime->tm_min, utctime->tm_sec, + line); + + fflush(stdout); +} + +int +main(void) +{ + char *buf = NULL; + size_t siz = 0; + + printline("--- Program started ---\n"); + while (getline(&buf, &siz, stdin) != -1) + printline(buf); + printline("--- Program exited ---\n"); + + free(buf); + return 0; +} -- cgit v1.2.3-70-g09d2