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annotate tests/test-unlinkat.c @ 17460:d11431703671

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author Karl Berry <karl@freefriends.org>
date Fri, 09 Aug 2013 08:03:30 -0700
parents 3a09cc104f4c
children
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1 /* Tests of unlinkat.
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2 Copyright (C) 2009-2013 Free Software Foundation, Inc.
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3
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4 This program is free software: you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 3 of the License, or
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7 (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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16
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17 /* Written by Eric Blake <ebb9@byu.net>, 2009. */
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18
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19 #include <config.h>
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20
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21 #include <unistd.h>
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22
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23 #include "signature.h"
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24 SIGNATURE_CHECK (unlinkat, int, (int, char const *, int));
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25
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26 #include <fcntl.h>
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27 #include <errno.h>
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28 #include <stdbool.h>
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29 #include <stdio.h>
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30 #include <stdlib.h>
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31 #include <sys/stat.h>
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32
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33 #include "progname.h"
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34 #include "unlinkdir.h"
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35 #include "ignore-value.h"
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36 #include "macros.h"
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37
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38 #define BASE "test-unlinkat.t"
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39
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40 #include "test-rmdir.h"
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41 #include "test-unlink.h"
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42
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43 static int dfd = AT_FDCWD;
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44
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45 /* Wrapper around unlinkat to test rmdir behavior. */
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46 static int
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47 rmdirat (char const *name)
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48 {
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49 return unlinkat (dfd, name, AT_REMOVEDIR);
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50 }
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51
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52 /* Wrapper around unlinkat to test unlink behavior. */
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53 static int
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54 unlinker (char const *name)
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55 {
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56 return unlinkat (dfd, name, 0);
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57 }
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58
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59 int
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60 main (int argc _GL_UNUSED, char *argv[])
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61 {
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62 /* FIXME: Add tests of fd other than ".". */
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63 int result1;
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64 int result2;
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65
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66 set_program_name (argv[0]);
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67
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68 /* Remove any leftovers from a previous partial run. */
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69 ignore_value (system ("rm -rf " BASE "*"));
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70
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71 /* Test behaviour for invalid file descriptors. */
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72 {
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73 errno = 0;
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74 ASSERT (unlinkat (-1, "foo", 0) == -1);
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75 ASSERT (errno == EBADF);
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76 }
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77 {
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78 close (99);
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79 errno = 0;
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80 ASSERT (unlinkat (99, "foo", 0) == -1);
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81 ASSERT (errno == EBADF);
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82 }
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83
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84 result1 = test_rmdir_func (rmdirat, false);
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85 result2 = test_unlink_func (unlinker, false);
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86 ASSERT (result1 == result2);
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87 dfd = open (".", O_RDONLY);
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88 ASSERT (0 <= dfd);
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89 result2 = test_rmdir_func (rmdirat, false);
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90 ASSERT (result1 == result2);
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91 result2 = test_unlink_func (unlinker, false);
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92 ASSERT (result1 == result2);
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93 ASSERT (close (dfd) == 0);
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94 if (result1 == 77)
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95 fputs ("skipping test: symlinks not supported on this file system\n",
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96 stderr);
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97 return result1;
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98 }