1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/* NBD client library in userspace
* Copyright Red Hat
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* Deliberately provoke some errors and check the error messages from
* nbd_get_error etc look reasonable.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <libnbd.h>
static char *progname;
static char buf[16384];
static void
check (int experr, const char *prefix)
{
const char *msg = nbd_get_error ();
int errnum = nbd_get_errno ();
fprintf (stderr, "error: \"%s\"\n", msg);
fprintf (stderr, "errno: %d (%s)\n", errnum, strerror (errnum));
if (strncmp (msg, prefix, strlen (prefix)) != 0) {
fprintf (stderr, "%s: test failed: missing context prefix: %s\n",
progname, msg);
exit (EXIT_FAILURE);
}
if (errnum != experr) {
fprintf (stderr, "%s: test failed: "
"expected errno = %d (%s), but got %d\n",
progname, experr, strerror (experr), errnum);
exit (EXIT_FAILURE);
}
}
int
main (int argc, char *argv[])
{
struct nbd_handle *nbd;
progname = argv[0];
nbd = nbd_create ();
if (nbd == NULL) {
fprintf (stderr, "%s\n", nbd_get_error ());
exit (EXIT_FAILURE);
}
/* Issue a connected command when not connected. pread_initialize defaults
* to set.
*/
if (nbd_get_pread_initialize (nbd) != 1) {
fprintf (stderr, "%s: test failed: "
"nbd_get_pread_initialize gave unexpected result\n",
argv[0]);
exit (EXIT_FAILURE);
}
buf[0] = '1';
if (nbd_pread (nbd, buf, 512, 0, 0) != -1) {
fprintf (stderr, "%s: test failed: "
"nbd_pread did not fail on non-connected handle\n",
argv[0]);
exit (EXIT_FAILURE);
}
check (ENOTCONN, "nbd_pread: ");
if (buf[0] != '\0') {
fprintf (stderr, "%s: test failed: "
"nbd_pread did not sanitize buffer on error\n",
argv[0]);
exit (EXIT_FAILURE);
}
nbd_close (nbd);
exit (EXIT_SUCCESS);
}
|
