136 lines
3.1 KiB
C
136 lines
3.1 KiB
C
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/* Copyright (C) 1994-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <fcntl.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <utime.h>
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#include <time.h>
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int
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main (int argc, char *argv[])
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{
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char file[] = "/tmp/test-utime.XXXXXX";
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struct utimbuf ut;
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struct stat st;
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struct stat stnow;
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time_t now1, now2;
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int fd;
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fd = mkstemp (file);
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if (fd < 0)
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{
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perror ("mkstemp");
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return 1;
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}
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close (fd);
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/* Test utime with arg */
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ut.actime = 500000000;
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ut.modtime = 500000001;
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if (utime (file, &ut))
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{
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perror ("utime");
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remove (file);
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return 1;
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}
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if (stat (file, &st))
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{
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perror ("stat");
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remove (file);
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return 1;
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}
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/* Test utime with NULL.
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Since there's a race condition possible here, we check
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the time before and after the call to utime. */
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now1 = time (NULL);
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if (now1 == (time_t)-1)
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{
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perror ("time");
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remove (file);
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return 1;
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}
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/* The clocks used to set the modification time and that used in the
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time() call need not be the same. They need not have the same
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precision. Therefore we delay the following operation by one
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second which makes sure we can compare with second precision. */
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sleep (1);
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if (utime (file, NULL))
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{
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perror ("utime NULL");
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remove (file);
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return 1;
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}
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sleep (1);
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now2 = time (NULL);
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if (now2 == (time_t)-1)
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{
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perror ("time");
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remove (file);
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return 1;
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}
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if (stat (file, &stnow))
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{
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perror ("stat");
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remove (file);
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return 1;
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}
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remove (file);
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if (st.st_mtime != ut.modtime)
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{
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printf ("modtime %jd != %jd\n",
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(intmax_t) st.st_mtime, (intmax_t) ut.modtime);
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return 1;
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}
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if (st.st_atime != ut.actime)
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{
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printf ("actime %jd != %jd\n",
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(intmax_t) st.st_atime, (intmax_t) ut.actime);
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return 1;
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}
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if (stnow.st_mtime < now1 || stnow.st_mtime > now2)
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{
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printf ("modtime %jd <%jd >%jd\n",
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(intmax_t) stnow.st_mtime, (intmax_t) now1, (intmax_t) now2);
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return 1;
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}
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if (stnow.st_atime < now1 || stnow.st_atime > now2)
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{
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printf ("actime %jd <%jd >%jd\n",
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(intmax_t) stnow.st_atime, (intmax_t) now1, (intmax_t) now2);
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return 1;
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}
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puts ("Test succeeded.");
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return 0;
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}
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