| 1 | /*
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| 2 | * Copyright (c) 2008 Jakub Jermar
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | #include <errno.h>
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| 30 | #include <stdio.h>
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| 31 | #include <stdlib.h>
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| 32 | #include <str.h>
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| 33 | #include <vfs/vfs.h>
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| 34 | #include <unistd.h>
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| 35 | #include <fcntl.h>
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| 36 | #include <dirent.h>
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| 37 | #include <loc.h>
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| 38 | #include <sys/types.h>
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| 39 | #include <sys/stat.h>
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| 40 | #include "../tester.h"
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| 41 |
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| 42 | #define TEST_DIRECTORY "/tmp/testdir"
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| 43 | #define TEST_FILE TEST_DIRECTORY "/testfile"
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| 44 | #define TEST_FILE2 TEST_DIRECTORY "/nextfile"
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| 45 |
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| 46 | #define MAX_DEVICE_NAME 32
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| 47 | #define BUF_SIZE 16
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| 48 |
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| 49 | static char text[] = "Lorem ipsum dolor sit amet, consectetur adipisicing elit";
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| 50 |
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| 51 | static const char *read_root(void)
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| 52 | {
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| 53 | TPRINTF("Opening the root directory...");
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| 54 |
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| 55 | DIR *dirp = opendir("/");
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| 56 | if (!dirp) {
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| 57 | TPRINTF("\n");
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| 58 | return "opendir() failed";
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| 59 | } else
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| 60 | TPRINTF("OK\n");
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| 61 |
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| 62 | struct dirent *dp;
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| 63 | while ((dp = readdir(dirp)))
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| 64 | TPRINTF(" node \"%s\"\n", dp->d_name);
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| 65 | closedir(dirp);
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| 66 |
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| 67 | return NULL;
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| 68 | }
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| 69 |
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| 70 | const char *test_vfs1(void)
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| 71 | {
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| 72 | if (mkdir(TEST_DIRECTORY, 0) != 0) {
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| 73 | TPRINTF("rc=%d\n", errno);
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| 74 | return "mkdir() failed";
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| 75 | }
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| 76 | TPRINTF("Created directory %s\n", TEST_DIRECTORY);
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| 77 |
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| 78 | int fd0 = open(TEST_FILE, O_CREAT);
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| 79 | if (fd0 < 0)
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| 80 | return "open() failed";
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| 81 | TPRINTF("Created file %s (fd=%d)\n", TEST_FILE, fd0);
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| 82 |
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| 83 | size_t size = sizeof(text);
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| 84 | ssize_t cnt = write(fd0, text, size);
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| 85 | if (cnt < 0)
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| 86 | return "write() failed";
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| 87 | TPRINTF("Written %zd bytes\n", cnt);
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| 88 |
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| 89 | if (lseek(fd0, 0, SEEK_SET) != 0)
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| 90 | return "lseek() failed";
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| 91 | TPRINTF("Sought to position 0\n");
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| 92 |
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| 93 | char buf[BUF_SIZE];
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| 94 | TPRINTF("read..\n");
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| 95 | while ((cnt = read(fd0, buf, BUF_SIZE))) {
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| 96 | TPRINTF("read returns %zd\n", cnt);
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| 97 | if (cnt < 0)
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| 98 | return "read() failed";
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| 99 |
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| 100 | int _cnt = (int) cnt;
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| 101 | if (_cnt != cnt) {
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| 102 | /* Count overflow, just to be sure. */
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| 103 | TPRINTF("Read %zd bytes\n", cnt);
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| 104 | } else {
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| 105 | TPRINTF("Read %zd bytes: \"%.*s\"\n", cnt, _cnt, buf);
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| 106 | }
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| 107 | }
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| 108 |
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| 109 | close(fd0);
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| 110 |
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| 111 | const char *rv = read_root();
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| 112 | if (rv != NULL)
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| 113 | return rv;
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| 114 |
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| 115 | if (rename(TEST_FILE, TEST_FILE2) != 0)
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| 116 | return "rename() failed";
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| 117 | TPRINTF("Renamed %s to %s\n", TEST_FILE, TEST_FILE2);
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| 118 |
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| 119 | if (unlink(TEST_FILE2) != 0)
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| 120 | return "unlink() failed";
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| 121 | TPRINTF("Unlinked %s\n", TEST_FILE2);
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| 122 |
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| 123 | if (rmdir(TEST_DIRECTORY) != 0)
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| 124 | return "rmdir() failed";
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| 125 | TPRINTF("Removed directory %s\n", TEST_DIRECTORY);
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| 126 |
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| 127 | rv = read_root();
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| 128 | if (rv != NULL)
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| 129 | return rv;
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| 130 |
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| 131 | return NULL;
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| 132 | }
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