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author | Mattias Andrée <maandree@operamail.com> | 2014-08-16 12:50:22 +0200 |
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committer | Mattias Andrée <maandree@operamail.com> | 2014-08-16 12:50:22 +0200 |
commit | b6c791ace8395b8db6f9c126f95002fe5751584b (patch) | |
tree | 483a61676f9f6d8dfd9811027b40fcee0acadfd0 | |
parent | add copying and license (diff) | |
download | timeprefix-b6c791ace8395b8db6f9c126f95002fe5751584b.tar.gz timeprefix-b6c791ace8395b8db6f9c126f95002fe5751584b.tar.bz2 timeprefix-b6c791ace8395b8db6f9c126f95002fe5751584b.tar.xz |
code + readme
Signed-off-by: Mattias Andrée <maandree@operamail.com>
-rw-r--r-- | README | 7 | ||||
-rw-r--r-- | src/timeprefix.c | 65 |
2 files changed, 72 insertions, 0 deletions
@@ -0,0 +1,7 @@ +A small program to prefixes the current time a line +is written to its stdin. + +If you use this to generate log files, you can use +`sort --merge` to create on log file from multiple +log files. + diff --git a/src/timeprefix.c b/src/timeprefix.c new file mode 100644 index 0000000..165cb27 --- /dev/null +++ b/src/timeprefix.c @@ -0,0 +1,65 @@ +/** + * timeprefix – Prefix each line with the time it as written + * + * Copyright © 2014 Mattias Andrée (maandree@member.fsf.org) + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#include <stdio.h> +#include <time.h> +#include <stddef.h> +#include <stdlib.h> + + +static struct tm* utctime; + + +static void printline(const char* line) +{ + struct timespec boottime; + time_t realtime; + + clock_gettime(CLOCK_BOOTTIME, &boottime); + realtime = time(NULL); + gmtime_r(&realtime, utctime); + + 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(int argc, char** argv) +{ + size_t buf_size = 512; + char* buf = NULL; + + utctime = malloc(sizeof(struct tm)); + + printline("--- Program started ---\n"); + + buf = malloc(buf_size * sizeof(char));; + while (getline(&buf, &buf_size, stdin) != -1) + printline(buf); + + printline("--- Program exited ---\n"); + + free(buf); + return 0; +} + |