1 /******************************************************************************
2 * Copyright (c) International Business Machines Corp., 2007
3 * Author: Sharyathi Nagesh <sharyathi@in.ibm.com>
4 ******************************************************************************/
5
6 /***************************************************************************
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 ***************************************************************************/
21
22 /*
23 * DESCRIPTION
24 * check fallocate() with various error conditions that should produce
25 * EBADF, EINVAL and EFBIG.
26 */
27
28 #define _GNU_SOURCE
29
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <endian.h>
33 #include <errno.h>
34 #include <sys/stat.h>
35 #include <sys/types.h>
36 #include <fcntl.h>
37 #include <inttypes.h>
38 #include <sys/utsname.h>
39 #include <limits.h>
40
41 #include "test.h"
42 #include "safe_macros.h"
43 #include "lapi/fallocate.h"
44
45 #define BLOCKS_WRITTEN 12
46 #ifdef TEST_DEFAULT
47 # define DEFAULT_TEST_MODE 0
48 #else
49 # define DEFAULT_TEST_MODE 1
50 #endif
51 #define OFFSET 12
52 #define FNAMER "test_file1"
53 #define FNAMEW "test_file2"
54 #define BLOCK_SIZE 1024
55 #define MAX_FILESIZE (LLONG_MAX / 1024)
56
57 static void setup(void);
58 static void fallocate_verify(int);
59 static void cleanup(void);
60
61 static int fdw;
62 static int fdr;
63
64 static struct test_data_t {
65 int *fd;
66 char *fname;
67 int mode;
68 loff_t offset;
69 loff_t len;
70 int error;
71 } test_data[] = {
72 {&fdr, FNAMER, DEFAULT_TEST_MODE, 0, 1, EBADF},
73 {&fdw, FNAMEW, DEFAULT_TEST_MODE, -1, 1, EINVAL},
74 {&fdw, FNAMEW, DEFAULT_TEST_MODE, 1, -1, EINVAL},
75 {&fdw, FNAMEW, DEFAULT_TEST_MODE, BLOCKS_WRITTEN, 0, EINVAL},
76 {&fdw, FNAMEW, DEFAULT_TEST_MODE, BLOCKS_WRITTEN, -1, EINVAL},
77 {&fdw, FNAMEW, DEFAULT_TEST_MODE, -(BLOCKS_WRITTEN+OFFSET), 1, EINVAL},
78 #if __WORDSIZE == 64 || _FILE_OFFSET_BITS == 64
79 {&fdw, FNAMEW, DEFAULT_TEST_MODE, MAX_FILESIZE, 1, EFBIG},
80 {&fdw, FNAMEW, DEFAULT_TEST_MODE, 1, MAX_FILESIZE, EFBIG},
81 #endif
82 };
83
84 TCID_DEFINE(fallocate02);
85 int TST_TOTAL = ARRAY_SIZE(test_data);
86
main(int ac,char ** av)87 int main(int ac, char **av)
88 {
89 int lc;
90 int i;
91
92 tst_parse_opts(ac, av, NULL, NULL);
93
94 setup();
95
96 for (lc = 0; TEST_LOOPING(lc); lc++) {
97
98 tst_count = 0;
99
100 for (i = 0; i < TST_TOTAL; i++)
101 fallocate_verify(i);
102 }
103
104 cleanup();
105
106 tst_exit();
107 }
108
setup(void)109 static void setup(void)
110 {
111 int i;
112
113 tst_sig(NOFORK, DEF_HANDLER, cleanup);
114
115 TEST_PAUSE;
116
117 tst_tmpdir();
118
119 fdr = SAFE_OPEN(cleanup, FNAMER, O_RDONLY | O_CREAT, S_IRUSR);
120
121 fdw = SAFE_OPEN(cleanup, FNAMEW, O_RDWR | O_CREAT, S_IRWXU);
122
123 char buf[BLOCK_SIZE];
124 memset(buf, 'A', BLOCK_SIZE);
125 for (i = 0; i < BLOCKS_WRITTEN; i++)
126 SAFE_WRITE(cleanup, 1, fdw, buf, BLOCK_SIZE);
127 }
128
fallocate_verify(int i)129 static void fallocate_verify(int i)
130 {
131 TEST(fallocate(*test_data[i].fd, test_data[i].mode,
132 test_data[i].offset * BLOCK_SIZE,
133 test_data[i].len * BLOCK_SIZE));
134 if (TEST_ERRNO != test_data[i].error) {
135 if (TEST_ERRNO == EOPNOTSUPP ||
136 TEST_ERRNO == ENOSYS) {
137 tst_brkm(TCONF, cleanup,
138 "fallocate system call is not implemented");
139 }
140 tst_resm(TFAIL | TTERRNO,
141 "fallocate(%s:%d, %d, %" PRId64 ", %" PRId64 ") "
142 "failed, expected errno:%d", test_data[i].fname,
143 *test_data[i].fd, test_data[i].mode,
144 test_data[i].offset * BLOCK_SIZE,
145 test_data[i].len * BLOCK_SIZE, test_data[i].error);
146 } else {
147 tst_resm(TPASS | TTERRNO,
148 "fallocate(%s:%d, %d, %" PRId64 ", %" PRId64 ") "
149 "returned %d", test_data[i].fname, *test_data[i].fd,
150 test_data[i].mode, test_data[i].offset * BLOCK_SIZE,
151 test_data[i].len * BLOCK_SIZE, TEST_ERRNO);
152 }
153 }
154
cleanup(void)155 static void cleanup(void)
156 {
157 if (fdw > 0)
158 SAFE_CLOSE(NULL, fdw);
159 if (fdr > 0)
160 SAFE_CLOSE(NULL, fdr);
161
162 tst_rmdir();
163 }
164