Fix dlfcn/failtestmod.c warning.
[glibc.git] / io / tst-renameat.c
bloba7c0ec16c495142fd4a697b1631dc020e55df68a
1 #include <dirent.h>
2 #include <fcntl.h>
3 #include <stdio.h>
4 #include <stdlib.h>
5 #include <string.h>
6 #include <unistd.h>
9 static void prepare (void);
10 #define PREPARE(argc, argv) prepare ()
12 static int do_test (void);
13 #define TEST_FUNCTION do_test ()
15 #include "../test-skeleton.c"
17 static int dir_fd;
19 static void
20 prepare (void)
22 size_t test_dir_len = strlen (test_dir);
23 static const char dir_name[] = "/tst-renameat.XXXXXX";
25 size_t dirbuflen = test_dir_len + sizeof (dir_name);
26 char *dirbuf = malloc (dirbuflen);
27 if (dirbuf == NULL)
29 puts ("out of memory");
30 exit (1);
33 snprintf (dirbuf, dirbuflen, "%s%s", test_dir, dir_name);
34 if (mkdtemp (dirbuf) == NULL)
36 puts ("cannot create temporary directory");
37 exit (1);
40 add_temp_file (dirbuf);
42 dir_fd = open (dirbuf, O_RDONLY | O_DIRECTORY);
43 if (dir_fd == -1)
45 puts ("cannot open directory");
46 exit (1);
51 static int
52 do_test (void)
54 /* fdopendir takes over the descriptor, make a copy. */
55 int dupfd = dup (dir_fd);
56 if (dupfd == -1)
58 puts ("dup failed");
59 return 1;
61 if (lseek (dupfd, 0, SEEK_SET) != 0)
63 puts ("1st lseek failed");
64 return 1;
67 /* The directory should be empty safe the . and .. files. */
68 DIR *dir = fdopendir (dupfd);
69 if (dir == NULL)
71 puts ("fdopendir failed");
72 return 1;
74 struct dirent64 *d;
75 while ((d = readdir64 (dir)) != NULL)
76 if (strcmp (d->d_name, ".") != 0 && strcmp (d->d_name, "..") != 0)
78 printf ("temp directory contains file \"%s\"\n", d->d_name);
79 return 1;
81 closedir (dir);
83 /* Try to create a file. */
84 int fd = openat (dir_fd, "some-file", O_CREAT|O_RDWR|O_EXCL, 0666);
85 if (fd == -1)
87 if (errno == ENOSYS)
89 puts ("*at functions not supported");
90 return 0;
93 puts ("file creation failed");
94 return 1;
96 write (fd, "hello", 5);
97 puts ("file created");
99 struct stat64 st1;
100 if (fstat64 (fd, &st1) != 0)
102 puts ("fstat64 failed");
103 return 1;
106 /* Using a descriptor for a normal file must fail. */
107 if (renameat (fd, "some-file", dir_fd, "another-file") == 0)
109 puts ("renameat with normal file descriptor succeeded");
110 return 1;
112 if (errno != ENOTDIR)
114 puts ("error for renameat with normal file descriptor not ENOTDIR");
115 return 1;
118 if (renameat (dir_fd, "some-file", fd, "another-file") == 0)
120 puts ("2nd renameat with normal file descriptor succeeded");
121 return 1;
123 if (errno != ENOTDIR)
125 puts ("error for 2nd renameat with normal file descriptor not ENOTDIR");
126 return 1;
129 close (fd);
131 if (renameat (dir_fd, "some-file", dir_fd, "another-file") != 0)
133 puts ("renameat failed");
134 return 1;
137 struct stat64 st2;
138 if (fstatat64 (dir_fd, "some-file", &st2, 0) == 0)
140 puts ("fstatat64 succeeded");
141 return 1;
143 if (errno != ENOENT)
145 puts ("fstatat64 did not fail with ENOENT");
146 return 1;
149 if (fstatat64 (dir_fd, "another-file", &st2, 0) != 0)
151 puts ("2nd fstatat64 failed");
152 return 1;
155 if (st1.st_dev != st2.st_dev
156 || st1.st_ino != st2.st_ino
157 || st1.st_size != st2.st_size)
159 puts ("stat results do not match");
160 return 1;
163 /* Create a file descriptor which is closed again right away. */
164 int dir_fd2 = dup (dir_fd);
165 if (dir_fd2 == -1)
167 puts ("dup failed");
168 return 1;
170 close (dir_fd2);
172 if (renameat (dir_fd2, "another-file", dir_fd, "some-file") == 0)
174 puts ("renameat with closed file descriptor succeeded");
175 return 1;
177 if (errno != EBADF)
179 puts ("error for renameat with closed file descriptor not EBADF");
180 return 1;
183 if (renameat (dir_fd, "another-file", dir_fd2, "some-file") == 0)
185 puts ("2nd renameat with closed file descriptor succeeded");
186 return 1;
188 if (errno != EBADF)
190 puts ("error for 2nd renameat with closed file descriptor not EBADF");
191 return 1;
194 if (unlinkat (dir_fd, "another-file", 0) != 0)
196 puts ("unlinkat failed");
197 return 1;
200 if (renameat (-1, "another-file", dir_fd, "some-file") == 0)
202 puts ("renameat with invalid file descriptor succeeded");
203 return 1;
205 if (errno != EBADF)
207 puts ("error for renameat with invalid file descriptor not EBADF");
208 return 1;
211 if (renameat (dir_fd, "another-file", -1, "some-file") == 0)
213 puts ("2nd renameat with invalid file descriptor succeeded");
214 return 1;
216 if (errno != EBADF)
218 puts ("error for 2nd renameat with invalid file descriptor not EBADF");
219 return 1;
222 close (dir_fd);
224 return 0;