source: mainline/uspace/app/tester/vfs/vfs1.c@ b19e892

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since b19e892 was b19e892, checked in by Jakub Jermar <jakub@…>, 8 years ago

Merge open() with posix_open() and provide vfs_lookup_open() instead

vfs_lookup_open() is really just a convenience wrapper around
vfs_lookup() and vfs_open().

  • Property mode set to 100644
File size: 3.7 KB
Line 
1/*
2 * Copyright (c) 2008 Jakub Jermar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <errno.h>
30#include <stdio.h>
31#include <stdlib.h>
32#include <str.h>
33#include <vfs/vfs.h>
34#include <unistd.h>
35#include <dirent.h>
36#include <loc.h>
37#include <sys/types.h>
38#include "../tester.h"
39
40#define TEST_DIRECTORY "/tmp/testdir"
41#define TEST_FILE TEST_DIRECTORY "/testfile"
42#define TEST_FILE2 TEST_DIRECTORY "/nextfile"
43
44#define MAX_DEVICE_NAME 32
45#define BUF_SIZE 16
46
47static char text[] = "Lorem ipsum dolor sit amet, consectetur adipisicing elit";
48
49static const char *read_root(void)
50{
51 TPRINTF("Opening the root directory...");
52
53 DIR *dirp = opendir("/");
54 if (!dirp) {
55 TPRINTF("\n");
56 return "opendir() failed";
57 } else
58 TPRINTF("OK\n");
59
60 struct dirent *dp;
61 while ((dp = readdir(dirp)))
62 TPRINTF(" node \"%s\"\n", dp->d_name);
63 closedir(dirp);
64
65 return NULL;
66}
67
68const char *test_vfs1(void)
69{
70 aoff64_t pos = 0;
71 int rc;
72
73 rc = vfs_link_path(TEST_DIRECTORY, KIND_DIRECTORY);
74 if (rc != EOK) {
75 TPRINTF("rc=%d\n", rc);
76 return "vfs_link_path() failed";
77 }
78 TPRINTF("Created directory %s\n", TEST_DIRECTORY);
79
80 int fd0 = vfs_lookup_open(TEST_FILE, WALK_REGULAR | WALK_MAY_CREATE,
81 MODE_READ | MODE_WRITE);
82 if (fd0 < 0)
83 return "vfs_lookup_open() failed";
84 TPRINTF("Created file %s (fd=%d)\n", TEST_FILE, fd0);
85
86 size_t size = sizeof(text);
87 ssize_t cnt = write(fd0, &pos, text, size);
88 if (cnt < 0)
89 return "write() failed";
90 TPRINTF("Written %zd bytes\n", cnt);
91
92 pos = 0;
93
94 char buf[BUF_SIZE];
95 TPRINTF("read..\n");
96 while ((cnt = read(fd0, &pos, buf, BUF_SIZE))) {
97 TPRINTF("read returns %zd\n", cnt);
98 if (cnt < 0)
99 return "read() failed";
100
101 int _cnt = (int) cnt;
102 if (_cnt != cnt) {
103 /* Count overflow, just to be sure. */
104 TPRINTF("Read %zd bytes\n", cnt);
105 } else {
106 TPRINTF("Read %zd bytes: \"%.*s\"\n", cnt, _cnt, buf);
107 }
108 }
109
110 close(fd0);
111
112 const char *rv = read_root();
113 if (rv != NULL)
114 return rv;
115
116 if (rename(TEST_FILE, TEST_FILE2) != 0)
117 return "rename() failed";
118 TPRINTF("Renamed %s to %s\n", TEST_FILE, TEST_FILE2);
119
120 if (vfs_unlink_path(TEST_FILE2) != EOK)
121 return "vfs_unlink_path() failed";
122 TPRINTF("Unlinked %s\n", TEST_FILE2);
123
124 if (vfs_unlink_path(TEST_DIRECTORY) != EOK)
125 return "vfs_unlink_path() failed";
126 TPRINTF("Removed directory %s\n", TEST_DIRECTORY);
127
128 rv = read_root();
129 if (rv != NULL)
130 return rv;
131
132 return NULL;
133}
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