Mercurial > hg > octave-shane > gnulib-hg
annotate tests/test-symlinkat.c @ 17530:8981b79e1271
error: make the module depend on vfprintf-posix
* modules/error (Depends-on): Add vfprintf-posix, since error
calls vfprintf unconditionally, via error_tail.
| author | Jim Meyering <meyering@fb.com> |
|---|---|
| date | Sat, 12 Oct 2013 19:28:40 -0700 |
| parents | 3a09cc104f4c |
| children | 344018b6e5d7 |
| rev | line source |
|---|---|
|
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readlinkat: split into its own module
Eric Blake <eblake@redhat.com>
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1 /* Tests of symlinkat. |
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2 Copyright (C) 2009-2013 Free Software Foundation, Inc. |
| 11956 | 3 |
| 4 This program is free software: you can redistribute it and/or modify | |
| 5 it under the terms of the GNU General Public License as published by | |
| 6 the Free Software Foundation; either version 3 of the License, or | |
| 7 (at your option) any later version. | |
| 8 | |
| 9 This program is distributed in the hope that it will be useful, | |
| 10 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 GNU General Public License for more details. | |
| 13 | |
| 14 You should have received a copy of the GNU General Public License | |
| 15 along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| 16 | |
| 17 /* Written by Eric Blake <ebb9@byu.net>, 2009. */ | |
| 18 | |
| 19 #include <config.h> | |
| 20 | |
| 21 #include <unistd.h> | |
| 22 | |
| 12489 | 23 #include "signature.h" |
| 24 SIGNATURE_CHECK (symlinkat, int, (char const *, int, char const *)); | |
| 25 | |
| 11956 | 26 #include <fcntl.h> |
| 27 #include <errno.h> | |
| 12061 | 28 #include <stdbool.h> |
| 11956 | 29 #include <stdio.h> |
| 30 #include <stdlib.h> | |
| 31 #include <string.h> | |
| 32 #include <sys/stat.h> | |
| 33 | |
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34 #include "ignore-value.h" |
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35 #include "macros.h" |
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36 |
| 11956 | 37 #ifndef HAVE_SYMLINK |
| 38 # define HAVE_SYMLINK 0 | |
| 39 #endif | |
| 40 | |
| 12061 | 41 #define BASE "test-symlinkat.t" |
| 42 | |
| 43 #include "test-symlink.h" | |
| 44 | |
| 45 static int dfd = AT_FDCWD; | |
| 46 | |
| 47 static int | |
| 48 do_symlink (char const *contents, char const *name) | |
| 49 { | |
| 50 return symlinkat (contents, dfd, name); | |
| 51 } | |
| 52 | |
| 11956 | 53 int |
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tests: avoid several compiler warnings
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54 main (void) |
| 11956 | 55 { |
| 12061 | 56 int result; |
| 11956 | 57 |
| 12061 | 58 /* Remove any leftovers from a previous partial run. */ |
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59 ignore_value (system ("rm -rf " BASE "*")); |
| 11956 | 60 |
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symlinkat tests: EBADF tests.
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61 /* Test behaviour for invalid file descriptors. */ |
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62 { |
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63 errno = 0; |
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64 ASSERT (symlinkat ("foo", -1, "bar") == -1); |
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65 ASSERT (errno == EBADF |
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66 || errno == ENOSYS /* seen on mingw */ |
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67 ); |
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68 } |
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69 { |
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tests: don't assume fd 99 is closed
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70 close (99); |
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71 errno = 0; |
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72 ASSERT (symlinkat ("foo", 99, "bar") == -1); |
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73 ASSERT (errno == EBADF |
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74 || errno == ENOSYS /* seen on mingw */ |
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75 ); |
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76 } |
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77 |
| 12061 | 78 /* Perform same checks as counterpart functions. */ |
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readlinkat: split into its own module
Eric Blake <eblake@redhat.com>
parents:
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79 result = test_symlink (do_symlink, false); |
| 12061 | 80 dfd = openat (AT_FDCWD, ".", O_RDONLY); |
| 81 ASSERT (0 <= dfd); | |
| 82 ASSERT (test_symlink (do_symlink, false) == result); | |
| 11956 | 83 |
| 84 ASSERT (close (dfd) == 0); | |
| 12061 | 85 if (result == 77) |
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maint: prefer 'file system' over 'filesystem'
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86 fputs ("skipping test: symlinks not supported on this file system\n", |
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87 stderr); |
| 12061 | 88 return result; |
| 11956 | 89 } |