/* * SPDX-License-Identifier: ISC * * Copyright (c) 1999, 2009-2011, 2013-2015, 2017 * Todd C. Miller <Todd.Miller@sudo.ws> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* * This is an open source non-commercial project. Dear PVS-Studio, please check it. * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com */ #include <config.h> #include <sys/types.h> #include <stdio.h> #include <stdlib.h> #include <time.h> #include "sudo_compat.h" #include "sudo_debug.h" #include "parse.h" /* * Return a static buffer with the current date + time. */ char * get_timestr(time_t tstamp, int log_year) { static char buf[128]; struct tm *timeptr; if ((timeptr = localtime(&tstamp)) != NULL) { /* strftime() does not guarantee to NUL-terminate so we must check. */ buf[sizeof(buf) - 1] = '\0'; if (strftime(buf, sizeof(buf), log_year ? "%h %e %T %Y" : "%h %e %T", timeptr) != 0 && buf[sizeof(buf) - 1] == '\0') return buf; } return NULL; }