File: test-error-messages.c

package info (click to toggle)
libguestfs 1%3A1.44.0-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 118,932 kB
  • sloc: ansic: 458,017; ml: 51,424; sh: 13,191; java: 9,578; makefile: 7,931; cs: 6,328; haskell: 5,674; python: 3,871; perl: 3,528; erlang: 2,446; xml: 1,347; ruby: 350; pascal: 257; javascript: 157; lex: 135; yacc: 128; cpp: 10
file content (82 lines) | stat: -rw-r--r-- 2,440 bytes parent folder | download | duplicates (5)
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
/* libguestfs
 * Copyright (C) 2014 Red Hat Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

/* Test error messages from the appliance.
 *
 * Note that we already test errno from the appliance (see
 * tests/c-api/test-last-errno.c) so we don't need to test that here.
 */

#include <config.h>

#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <error.h>

#include "guestfs.h"
#include "guestfs_protocol.h" /* For GUESTFS_ERROR_LEN. */

int
main (int argc, char *argv[])
{
  guestfs_h *g;
  size_t i;
  int lengths[] = { 0, 1, 1024,
                    GUESTFS_ERROR_LEN-2, GUESTFS_ERROR_LEN-1,
                    GUESTFS_ERROR_LEN, GUESTFS_ERROR_LEN+1,
                    GUESTFS_ERROR_LEN+2,
                    GUESTFS_ERROR_LEN*2, -1 };
  char len_s[64];
  char *args[2];

  g = guestfs_create ();
  if (g == NULL)
    error (EXIT_FAILURE, errno, "guestfs_create");

  if (guestfs_add_drive (g, "/dev/null") == -1)
    exit (EXIT_FAILURE);

  if (guestfs_launch (g) == -1)
    exit (EXIT_FAILURE);

  guestfs_push_error_handler (g, NULL, NULL);

  for (i = 0; lengths[i] != -1; ++i) {
    snprintf (len_s, sizeof len_s, "%d", lengths[i]);
    args[0] = len_s;
    args[1] = NULL;

    if (guestfs_debug (g, "error", args) != NULL) {
      fprintf (stderr, "%s: unexpected return value from 'debug error'\n",
               argv[0]);
      exit (EXIT_FAILURE);
    }
    /* EROFS is a magic value returned by debug_error in the daemon. */
    if (guestfs_last_errno (g) != EROFS) {
      fprintf (stderr, "%s: unexpected error from 'debug error': %s\n",
               argv[0], guestfs_last_error (g));
      exit (EXIT_FAILURE);
    }
    /* else OK */
  }

  guestfs_pop_error_handler (g);
  guestfs_close (g);
  exit (EXIT_SUCCESS);
}