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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [tests/] [psxtests/] [psxmount/] [test.c] - Rev 385
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/* * This is a native test to explore how the readdir() family works. * Newlib supports the following readdir() family members: * * closedir() - * readdir() - * scandir() - * opendir() - * rewinddir() - * telldir() - BSD not in POSIX * seekdir() - BSD not in POSIX * * * seekdir() takes an offset which is a byte offset. The Linux * implementation of this appears to seek to the ((off/DIRENT_SIZE) + 1) * record where DIRENT_SIZE seems to be 12 bytes. * * * * $Id: test.c,v 1.2 2001-09-27 12:02:25 chris Exp $ */ #include <stdio.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <dirent.h> #include <string.h> #include <assert.h> #include <unistd.h> #include <errno.h> #include <rtems.h> #include <rtems/libio.h> extern rtems_filesystem_location_info_t rtems_filesystem_current; DIR *directory; DIR *directory2; DIR *directory3; DIR *directory_not; #ifndef __P #define __P(args)() #endif char *dnames[] = { "a", "b", "c", "d", "e", "f", "c/y", "c/z", "c/x", "c/y/a3333", "c/y/j123", "c/y/my_mount_point", "c/y/my_mount_point/my_dir", "c/z/my_mount_point", "END" }; char *fnames[] = { "a", "b", "c", "d", "e", "f", "c/y", "c/z", "c/x", "c/y/a3333", "c/y/j123", "c/y/my_mount_point", "c/y/my_mount_point/my_dir", "c/y/my_mount_point/my_dir/d", "c/z/my_mount_point", "/c/z/my_mount_point/a/../../my_mount_point/a/g", "END" }; #if defined(__rtems__) int test_main(void) #else int main( int argc, char **argv ) #endif { int i; int fd; int status; struct stat statbuf; rtems_filesystem_mount_table_entry_t *mt_entry; static char mount_point_string[25] = { "/c/z/my_mount_point" }; printf( "\n\n*** MOUNT/UNMOUNT TEST ***\n" ); /* * Change directory to the root and create files under * the base file system. */ printf( "\nchdir to the root directory\n" ); status = chdir( "/" ); printf( "chdir() status : %d\n\n", status ); printf( "\nCreating a series of directories under /\n" ); i=0; while ( strcmp(dnames[i], "END") != 0 ) { status = mkdir( dnames[i], 0777 ); printf("Creating : %25s %d %d ", dnames[i], status, errno ); if ( status == 0 ) printf(" Success\n"); else printf(" Failure\n"); i++; } /* * Create a Files with all rwx for others group and user. Verify * the created file. */ printf("create /b/my_file\n"); fd = open ("/b/my_file", O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert( fd != 0 ); close (fd); printf("Verify /b/my_file\n"); fd = open("/b/my_file", S_IRWXU|S_IRWXG|S_IRWXO); assert( fd != 0 ); close( fd ); printf("create c/y/my_mount_point/my_dir/d\n"); fd = open ("c/y/my_mount_point/my_dir/d", O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert( fd != 0 ); close (fd); printf("Verify c/y/my_mount_point/my_dir/d\n"); fd = open("c/y/my_mount_point/my_dir/d", S_IRWXU|S_IRWXG|S_IRWXO); assert( fd != 0 ); close( fd ); /* * Mount an the IMFS file system on the base file system. */ printf("Attempting to mount IMFS file system at /c/z/my_mount_point \n"); status = mount( &mt_entry, &IMFS_ops, RTEMS_FILESYSTEM_READ_WRITE, NULL, mount_point_string ); assert( status == 0 ); if( mt_entry == NULL ){ printf(" NULL mount table entry was returned\n"); } else { printf("2nd file system successfully mounted at /c/z/my_mount_point \n"); } /* * Change directory to the mount point and create a group of files under * the mounted file system. */ printf( "\nchdir to /c/z/my_mount_point.\n" ); status = chdir( "/c/z/my_mount_point" ); printf( "chdir() status : %d\n\n", status ); printf( "\nCreating a series of directories under /c/z/my_mount_point\n" ); i=0; while ( strcmp(fnames[i], "END") != 0 ) { status = mkdir( fnames[i], 0777 ); printf("Creating: %46s %d %d ", fnames[i], status, errno ); if ( status == 0 ) printf(" Success\n"); else { printf(" Failure\n"); perror("errno"); } status = stat( fnames[i], &statbuf ); if ( status == -1 ) printf( ": %s\n", strerror( errno ) ); i++; } printf( "\nchdir to /\n" ); status = chdir( "/" ); printf( "chdir() status : %d\n\n", status ); /* * Unmount the first file system we mounted */ printf( "Unmount status:"); status = unmount( "/c/z/my_mount_point" ); printf( " %d\n", status ); /* * Mount a NULL filesystem and verify it fails. */ printf("Mount a NULL file system and verify EINVAL\n"); status = mount( &mt_entry, NULL, RTEMS_FILESYSTEM_READ_WRITE, NULL, mount_point_string ); assert( status == -1 ); assert( errno == EINVAL ); /* * Verify mount with option of -62 fails with EINVAL */ printf("mount with option of -62 should fail with EINVAL\n"); status = mount( &mt_entry, &IMFS_ops, -62, NULL, "/c/y/my_mount_point" ); assert( status == -1 ); assert( errno == EINVAL ); /* * Mount a Read Only File system. */ printf("Mount a Read Only filesystem at /c/y/my_mount_point \n"); status = mount( &mt_entry, &IMFS_ops, RTEMS_FILESYSTEM_READ_ONLY, NULL, "/c/y/my_mount_point" ); assert( status == 0 ); if( mt_entry == NULL ){ printf(" NULL mount table entry was returned\n"); } else { printf("Read only file system successfully mounted at /c/y/my_mount_point \n"); } /* * Create a directory that passes through the read only file system. */ printf("create c/y/my_mount_point/../../y/my_mount_point/new_dir\n"); status = mkdir("c/y/my_mount_point/../../y/my_mount_point/new_dir",S_IRWXU ); assert( status == 0 ); status = stat("c/y/my_mount_point/../../y/my_mount_point/new_dir",&statbuf ); assert( status == 0 ); status = stat("c/y/my_mount_point/new_dir/..", &statbuf ); assert( status == 0 ); /* * Attempt to mount a second file system at a used mount point. */ printf("Verify a mount point retruns EBUSY for another mount\n"); status = mount( &mt_entry, &IMFS_ops, RTEMS_FILESYSTEM_READ_ONLY, NULL, "/c/y/my_mount_point" ); assert( status == -1 ); assert( errno == EBUSY); /* * Attempt to mount at a file. */ printf("Mount on a file should fail with ENOTDIR\n"); status = mount( &mt_entry, &IMFS_ops, RTEMS_FILESYSTEM_READ_ONLY, NULL, "/b/my_file" ); assert( status == -1 ); assert( errno == ENOTDIR ); /* * Verify we cannot unmount a file system while we are in it. */ printf("Create and chdir to /c/y/my_mount_point/mydir\n"); status = mkdir( "/c/y/my_mount_point/mydir", 0777); assert( status == 0 ); status = chdir( "/c/y/my_mount_point/mydir" ); assert( status == 0 ); printf("unmount of /c/y/my_mount_point should fail with EBUSY\n"); status = unmount( "/c/y/my_mount_point" ); assert( status == -1 ); assert( errno == EBUSY ); /* * Chdir to root and verify we can unmount the file system now. */ printf("chdir to / and verify we can unmount /c/y/my_mount_point\n"); status = chdir( "/" ); assert( status == 0 ); printf("unmount /c/y/my_mount_point \n"); status = unmount( "/c/y/my_mount_point" ); assert( status == 0 ); /* * Attempt to unmount a directory that does not exist. */ printf("unmount /b/mount_point should fail with EINVAL\n"); status = unmount( "/b/mount_point" ); assert( status == -1 ); assert( errno == ENOENT ); /* * Remount the filesystem. */ printf("Mount /c/y/my_mount_point\n"); status = mount( &mt_entry, &IMFS_ops, RTEMS_FILESYSTEM_READ_ONLY, NULL, "/c/y/my_mount_point" ); assert( status == 0 ); /* * Create a file and directory then open the directory. * Verify unmount will return EBUSY while directory is open. */ printf("Create and open /c/y/my_mount_point/my_file\n"); fd = open( "/c/y/my_mount_point/my_file", O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert( fd != -1 ); status = close( fd ); assert( status == 0 ); printf("\nmkdir /c/y/my_mount_point/my_dir\n"); status = mkdir( "/c/y/my_mount_point/my_dir", 0x1c0 ); printf("Open /c/y/my_mount_point/my_dir\n"); directory = opendir( "/c/y/my_mount_point/my_dir" ); assert( directory ); printf("Unmount /c/y/my_mount_point should fail with EBUSY\n"); status = unmount( "/c/y/my_mount_point" ); assert( status == -1 ); assert( errno == EBUSY ); printf("Close /c/y/my_mount_point/my_dir\n"); status = closedir( directory ); assert( status == 0 ); /* * Attempt to unmount a directory that is not a mount point. */ printf("Unmount /c/y/my_mount_point/my_dir\n"); status = unmount( "/c/y/my_mount_point/my_dir" ); assert( status == -1 ); assert( errno == EACCES ); /* * Verify a file system can not be unmounted with a mounted file system * in it. */ printf("Mount a file system at /c/y/my_mount_point/my_dir\n"); status = mount( &mt_entry, &IMFS_ops, RTEMS_FILESYSTEM_READ_WRITE, NULL, "/c/y/my_mount_point/my_dir"); assert( status == 0 ); printf("unmount /c/y/my_mount_point should fail with EBUSY\n"); status = unmount( "/c/y/my_mount_point" ); assert( status == -1 ); assert( errno == EBUSY ); /* * Verify you cannot create a hard link across mounted file systems. */ printf("Verify a hard link across filesystems fails with EXDEV\n"); status = mkdir( "/c/y/my_mount_point/my_dir2", S_IRWXU ); assert( status == 0 ); status = link( "/c/y/my_mount_point/my_dir2", "/c/y/my_mount_point/my_dir/my_link" ); assert( status == -1 ); assert( errno == EXDEV ); /* * Create a symbolic link across mountpoints. */ printf("Verify a symbolic link across file systems works\n"); status = symlink( "/c/y/my_mount_point/my_dir2", "/c/y/my_mount_point/my_dir/my_link" ); assert( status == 0 ); status = stat( "/c/y/my_mount_point/my_dir/my_link", &statbuf ); assert( status == 0 ); printf("unmount /c/y/my_mount_point/my_dir\n"); status = unmount( "/c/y/my_mount_point/my_dir" ); assert( status == 0 ); /* * Verify symblic link no longer works. */ printf("Verify the symbolic link now fails\n"); status = stat( "/c/y/my_mount_point/my_dir/my_link", &statbuf ); assert( status != 0 ); printf("unmount /c/y/my_mount_point\n"); status = unmount( "/c/y/my_mount_point" ); assert( status == 0 ); printf( "\n\n*** END OF MOUNT/UNMOUNT TEST ***\n" ); exit(0); }
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