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 #include "lapi/abisize.h"
45
46 #define BLOCKS_WRITTEN 12
47 #ifdef TEST_DEFAULT
48 # define DEFAULT_TEST_MODE 0
49 #else
50 # define DEFAULT_TEST_MODE 1
51 #endif
52 #define OFFSET 12
53 #define FNAMER "test_file1"
54 #define FNAMEW "test_file2"
55 #define BLOCK_SIZE 1024
56 #define MAX_FILESIZE (LLONG_MAX / 1024)
57
58 static void setup(void);
59 static void fallocate_verify(int);
60 static void cleanup(void);
61
62 static int fdw;
63 static int fdr;
64
65 static struct test_data_t {
66 int *fd;
67 char *fname;
68 int mode;
69 loff_t offset;
70 loff_t len;
71 int error;
72 } test_data[] = {
73 {&fdr, FNAMER, DEFAULT_TEST_MODE, 0, 1, EBADF},
74 {&fdw, FNAMEW, DEFAULT_TEST_MODE, -1, 1, EINVAL},
75 {&fdw, FNAMEW, DEFAULT_TEST_MODE, 1, -1, EINVAL},
76 {&fdw, FNAMEW, DEFAULT_TEST_MODE, BLOCKS_WRITTEN, 0, EINVAL},
77 {&fdw, FNAMEW, DEFAULT_TEST_MODE, BLOCKS_WRITTEN, -1, EINVAL},
78 {&fdw, FNAMEW, DEFAULT_TEST_MODE, -(BLOCKS_WRITTEN+OFFSET), 1, EINVAL},
79 #if defined(TST_ABI64) || _FILE_OFFSET_BITS == 64
80 {&fdw, FNAMEW, DEFAULT_TEST_MODE, MAX_FILESIZE, 1, EFBIG},
81 {&fdw, FNAMEW, DEFAULT_TEST_MODE, 1, MAX_FILESIZE, EFBIG},
82 #endif
83 };
84
85 TCID_DEFINE(fallocate02);
86 int TST_TOTAL = ARRAY_SIZE(test_data);
87
main(int ac,char ** av)88 int main(int ac, char **av)
89 {
90 int lc;
91 int i;
92
93 tst_parse_opts(ac, av, NULL, NULL);
94
95 setup();
96
97 for (lc = 0; TEST_LOOPING(lc); lc++) {
98
99 tst_count = 0;
100
101 for (i = 0; i < TST_TOTAL; i++)
102 fallocate_verify(i);
103 }
104
105 cleanup();
106
107 tst_exit();
108 }
109
setup(void)110 static void setup(void)
111 {
112 int i;
113
114 tst_sig(NOFORK, DEF_HANDLER, cleanup);
115
116 TEST_PAUSE;
117
118 tst_tmpdir();
119
120 fdr = SAFE_OPEN(cleanup, FNAMER, O_RDONLY | O_CREAT, S_IRUSR);
121
122 fdw = SAFE_OPEN(cleanup, FNAMEW, O_RDWR | O_CREAT, S_IRWXU);
123
124 char buf[BLOCK_SIZE];
125 memset(buf, 'A', BLOCK_SIZE);
126 for (i = 0; i < BLOCKS_WRITTEN; i++)
127 SAFE_WRITE(cleanup, 1, fdw, buf, BLOCK_SIZE);
128 }
129
fallocate_verify(int i)130 static void fallocate_verify(int i)
131 {
132 TEST(fallocate(*test_data[i].fd, test_data[i].mode,
133 test_data[i].offset * BLOCK_SIZE,
134 test_data[i].len * BLOCK_SIZE));
135 if (TEST_ERRNO != test_data[i].error) {
136 if (TEST_ERRNO == EOPNOTSUPP ||
137 TEST_ERRNO == ENOSYS) {
138 tst_brkm(TCONF, cleanup,
139 "fallocate system call is not implemented");
140 }
141 tst_resm(TFAIL | TTERRNO,
142 "fallocate(%s:%d, %d, %" PRId64 ", %" PRId64 ") "
143 "failed, expected errno:%d", test_data[i].fname,
144 *test_data[i].fd, test_data[i].mode,
145 test_data[i].offset * BLOCK_SIZE,
146 test_data[i].len * BLOCK_SIZE, test_data[i].error);
147 } else {
148 tst_resm(TPASS | TTERRNO,
149 "fallocate(%s:%d, %d, %" PRId64 ", %" PRId64 ") "
150 "returned %d", test_data[i].fname, *test_data[i].fd,
151 test_data[i].mode, test_data[i].offset * BLOCK_SIZE,
152 test_data[i].len * BLOCK_SIZE, TEST_ERRNO);
153 }
154 }
155
cleanup(void)156 static void cleanup(void)
157 {
158 if (fdw > 0)
159 SAFE_CLOSE(NULL, fdw);
160 if (fdr > 0)
161 SAFE_CLOSE(NULL, fdr);
162
163 tst_rmdir();
164 }
165