This source file includes following definitions.
- do_areadlinkat_with_size
- main
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19 #include <config.h>
20
21 #include "areadlink.h"
22
23 #include <fcntl.h>
24 #include <errno.h>
25 #include <stdbool.h>
26 #include <stdio.h>
27 #include <stdlib.h>
28 #include <string.h>
29 #include <sys/stat.h>
30 #include <unistd.h>
31
32 #include "ignore-value.h"
33 #include "macros.h"
34
35 #define BASE "test-areadlinkat-with-size.t"
36
37 #include "test-areadlink.h"
38
39 static int dfd = AT_FDCWD;
40
41
42 static char *
43 do_areadlinkat_with_size (char const *name, size_t size)
44 {
45 return areadlinkat_with_size (dfd, name, size);
46 }
47
48 int
49 main (void)
50 {
51 int result;
52
53
54 ignore_value (system ("rm -rf " BASE "*"));
55
56
57 result = test_areadlink (do_areadlinkat_with_size, false);
58 dfd = open (".", O_RDONLY);
59 ASSERT (0 <= dfd);
60 ASSERT (test_areadlink (do_areadlinkat_with_size, false) == result);
61
62
63 if (result == 77)
64 fputs ("skipping test: symlinks not supported on this file system\n",
65 stderr);
66 else
67 {
68 char *buf;
69 ASSERT (symlink ("nowhere", BASE "link") == 0);
70 ASSERT (mkdir (BASE "dir", 0700) == 0);
71 ASSERT (chdir (BASE "dir") == 0);
72 buf = areadlinkat_with_size (dfd, BASE "link", strlen (BASE "link"));
73 ASSERT (buf);
74 ASSERT (strcmp (buf, "nowhere") == 0);
75 free (buf);
76 errno = 0;
77 ASSERT (areadlinkat_with_size (-1, BASE "link", 1) == NULL);
78 ASSERT (errno == EBADF);
79 errno = 0;
80 ASSERT (areadlinkat_with_size (AT_FDCWD, BASE "link", 1) == NULL);
81 ASSERT (errno == ENOENT);
82 ASSERT (chdir ("..") == 0);
83 ASSERT (rmdir (BASE "dir") == 0);
84 ASSERT (unlink (BASE "link") == 0);
85 }
86
87 ASSERT (close (dfd) == 0);
88 return result;
89 }