From b6c791ace8395b8db6f9c126f95002fe5751584b Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Sat, 16 Aug 2014 12:50:22 +0200 Subject: code + readme MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- README | 7 ++++++ src/timeprefix.c | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 72 insertions(+) create mode 100644 README create mode 100644 src/timeprefix.c diff --git a/README b/README new file mode 100644 index 0000000..617b92b --- /dev/null +++ b/README @@ -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 . + */ +#include +#include +#include +#include + + +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; +} + -- cgit v1.2.3-70-g09d2