Do not build sparc32 libgcc functions into static libc
[glibc.git] / io / tst-fstatat.c
blob6a60024b631626b21efe9a7a529b77d6c5af405d
1 #include <dirent.h>
2 #include <fcntl.h>
3 #include <stdio.h>
4 #include <stdlib.h>
5 #include <string.h>
6 #include <unistd.h>
7 #include <sys/stat.h>
9 #include <support/xunistd.h>
11 static void prepare (void);
12 #define PREPARE(argc, argv) prepare ()
14 static int do_test (void);
15 #define TEST_FUNCTION do_test ()
17 #include "../test-skeleton.c"
19 static int dir_fd;
21 static void
22 prepare (void)
24 size_t test_dir_len = strlen (test_dir);
25 static const char dir_name[] = "/tst-fstatat.XXXXXX";
27 size_t dirbuflen = test_dir_len + sizeof (dir_name);
28 char *dirbuf = malloc (dirbuflen);
29 if (dirbuf == NULL)
31 puts ("out of memory");
32 exit (1);
35 snprintf (dirbuf, dirbuflen, "%s%s", test_dir, dir_name);
36 if (mkdtemp (dirbuf) == NULL)
38 puts ("cannot create temporary directory");
39 exit (1);
42 add_temp_file (dirbuf);
44 dir_fd = open (dirbuf, O_RDONLY | O_DIRECTORY);
45 if (dir_fd == -1)
47 puts ("cannot open directory");
48 exit (1);
53 static int
54 do_test (void)
56 /* fdopendir takes over the descriptor, make a copy. */
57 int dupfd = dup (dir_fd);
58 if (dupfd == -1)
60 puts ("dup failed");
61 return 1;
63 if (lseek (dupfd, 0, SEEK_SET) != 0)
65 puts ("1st lseek failed");
66 return 1;
69 /* The directory should be empty safe the . and .. files. */
70 DIR *dir = fdopendir (dupfd);
71 if (dir == NULL)
73 puts ("fdopendir failed");
74 return 1;
76 struct dirent64 *d;
77 while ((d = readdir64 (dir)) != NULL)
78 if (strcmp (d->d_name, ".") != 0 && strcmp (d->d_name, "..") != 0)
80 printf ("temp directory contains file \"%s\"\n", d->d_name);
81 return 1;
83 closedir (dir);
85 /* Try to create a file. */
86 int fd = openat (dir_fd, "some-file", O_CREAT|O_RDWR|O_EXCL, 0666);
87 if (fd == -1)
89 if (errno == ENOSYS)
91 puts ("*at functions not supported");
92 return 0;
95 puts ("file creation failed");
96 return 1;
98 xwrite (fd, "hello", 5);
99 puts ("file created");
101 struct stat64 st1;
103 /* Before closing the file, try using this file descriptor to open
104 another file. This must fail. */
105 if (fstatat64 (fd, "some-file", &st1, 0) != -1)
107 puts ("fstatatat using descriptor for normal file worked");
108 return 1;
110 if (errno != ENOTDIR)
112 puts ("error for fstatat using descriptor for normal file not ENOTDIR ");
113 return 1;
116 if (fstat64 (fd, &st1) != 0)
118 puts ("fstat64 failed");
119 return 1;
122 close (fd);
124 struct stat64 st2;
125 if (fstatat64 (dir_fd, "some-file", &st2, 0) != 0)
127 puts ("fstatat64 failed");
128 return 1;
131 if (st1.st_dev != st2.st_dev
132 || st1.st_ino != st2.st_ino
133 || st1.st_size != st2.st_size)
135 puts ("stat results do not match");
136 return 1;
139 if (unlinkat (dir_fd, "some-file", 0) != 0)
141 puts ("unlinkat failed");
142 return 1;
145 if (fstatat64 (dir_fd, "some-file", &st2, 0) == 0)
147 puts ("second fstatat64 succeeded");
148 return 1;
150 if (errno != ENOENT)
152 puts ("second fstatat64 did not fail with ENOENT");
153 return 1;
156 /* Create a file descriptor which is closed again right away. */
157 int dir_fd2 = dup (dir_fd);
158 if (dir_fd2 == -1)
160 puts ("dup failed");
161 return 1;
163 close (dir_fd2);
165 if (fstatat64 (dir_fd2, "some-file", &st1, 0) != -1)
167 puts ("fstatat64 using closed descriptor worked");
168 return 1;
170 if (errno != EBADF)
172 puts ("error for fstatat using closed descriptor not EBADF ");
173 return 1;
176 close (dir_fd);
178 if (fstatat64 (-1, "some-file", &st1, 0) != -1)
180 puts ("fstatat64 using invalid descriptor worked");
181 return 1;
183 if (errno != EBADF)
185 puts ("error for fstatat using invalid descriptor not EBADF ");
186 return 1;
189 return 0;