external/bsd/libarchive/dist/cpio/test/test_option_u.c

   1 /*-
   2  * Copyright (c) 2003-2007 Tim Kientzle
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
  15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  17  * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
  18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25 #include "test.h"
  26 #include <utime.h>
  27 __FBSDID("$FreeBSD$");
  28
  29 DEFINE_TEST(test_option_u)
  30 {
  31         struct utimbuf times;
  32         char *p;
  33         size_t s;
  34         int fd;
  35         int r;
  36
  37         /* Create a file. */
  38         fd = open("f", O_CREAT | O_WRONLY, 0644);
  39         assert(fd >= 0);
  40         assertEqualInt(1, write(fd, "a", 1));
  41         close(fd);
  42
  43         /* Copy the file to the "copy" dir. */
  44         r = systemf("echo f | %s -pd copy >copy.out 2>copy.err",
  45             testprog);
  46         assertEqualInt(r, 0);
  47
  48         /* Check that the file contains only a single "a" */
  49         p = slurpfile(&s, "copy/f");
  50         assertEqualInt(s, 1);
  51         assertEqualMem(p, "a", 1);
  52
  53         /* Recreate the file with a single "b" */
  54         fd = open("f", O_CREAT | O_TRUNC | O_WRONLY, 0644);
  55         assert(fd >= 0);
  56         assertEqualInt(1, write(fd, "b", 1));
  57         close(fd);
  58
  59         /* Set the mtime to the distant past. */
  60         memset(&times, 0, sizeof(times));
  61         times.actime = 1;
  62         times.modtime = 3;
  63         assertEqualInt(0, utime("f", &times));
  64
  65         /* Copy the file to the "copy" dir. */
  66         r = systemf("echo f | %s -pd copy >copy.out 2>copy.err",
  67             testprog);
  68         assertEqualInt(r, 0);
  69
  70         /* Verify that the file hasn't changed (it wasn't overwritten) */
  71         p = slurpfile(&s, "copy/f");
  72         assertEqualInt(s, 1);
  73         assertEqualMem(p, "a", 1);
  74
  75         /* Copy the file to the "copy" dir with -u (force) */
  76         r = systemf("echo f | %s -pud copy >copy.out 2>copy.err",
  77             testprog);
  78         assertEqualInt(r, 0);
  79
  80         /* Verify that the file has changed (it was overwritten) */
  81         p = slurpfile(&s, "copy/f");
  82         assertEqualInt(s, 1);
  83         assertEqualMem(p, "b", 1);
  84 }