2 * tio - a simple TTY terminal I/O tool
4 * Copyright (c) 2014-2022 Martin Lund
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
31 // "YYYY-MM-DD hh:mm:ss.sss" (ISO-8601/RFC3339 format)
32 #define TIME_STRING_SIZE 24
34 char * current_time(void)
36 static char time_string[TIME_STRING_SIZE];
40 gettimeofday(&tv,NULL);
42 tmp = localtime(&tv.tv_sec);
45 error_printf("Retrieving local time failed");
49 size_t len = strftime(time_string, sizeof(time_string), "%Y-%m-%d %H:%M:%S", tmp);
51 len = snprintf(time_string + len, TIME_STRING_SIZE - len, ".%03ld", (long)tv.tv_usec / 1000);
54 return (len < TIME_STRING_SIZE) ? time_string : NULL;
61 ts.tv_sec = ms / 1000;
62 ts.tv_nsec = (ms % 1000) * 1000000;