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