aboutsummaryrefslogtreecommitdiff
path: root/tests/gtrecover.c
blob: 35d60df5673a5196914eba71e49b2508a3d404d9 (plain)
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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/* This file is part of GDBM test suite.
   Copyright (C) 2016-2021 Free Software Foundation, Inc.

   GDBM 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, or (at your option)
   any later version.

   GDBM 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 GDBM. If not, see <http://www.gnu.org/licenses/>.
*/
#include "autoconf.h"
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>
#include "gdbm.h"
#include "progname.h"
#include <assert.h>

const char *progname;

void
err_printer (void *data, char const *fmt, ...)
{
  va_list ap;

  fprintf (stderr, "%s: ", progname);
  va_start (ap, fmt);
  vfprintf (stderr, fmt, ap);
  va_end (ap);
  fprintf (stderr, "\n");
}

int
main (int argc, char **argv)
{
  const char *dbname;
  GDBM_FILE dbf;
  int rc = 0;
  int open_flags = GDBM_WRITER;
  gdbm_recovery rcvr;
  int rcvr_flags = 0;
  char *p;
  
  progname = canonical_progname (argv[0]);
  while (--argc)
    {
      char *arg = *++argv;

      if (strcmp (arg, "-h") == 0)
	{
	  printf ("usage: %s [-nolock] [-nommap] [-verbose] [-backup] [-max-failures=N] [-max-failed-keys=N] [-max-failed-buckets=N] DBFILE\n",
		  progname);
	  exit (0);
	}
      else if (strcmp (arg, "-nolock") == 0)
	open_flags |= GDBM_NOLOCK;
      else if (strcmp (arg, "-nommap") == 0)
	open_flags |= GDBM_NOMMAP;
      else if (strcmp (arg, "-verbose") == 0)
	{
	  rcvr.errfun = err_printer;
	  rcvr_flags |= GDBM_RCVR_ERRFUN;
	}
      else if (strcmp (arg, "-backup") == 0)
	rcvr_flags |= GDBM_RCVR_BACKUP;
      else if (strncmp (arg, "-max-failures=", 14) == 0)
	{
	  rcvr.max_failures = strtoul (arg + 14, &p, 10);
	  assert (*p == 0);
	  rcvr_flags |= GDBM_RCVR_MAX_FAILURES;
	}
      else if (strncmp (arg, "-max-failed-keys=", 17) == 0)
	{
	  rcvr.max_failed_keys = strtoul (arg + 17, &p, 10);
	  assert (*p == 0);
	  rcvr_flags |= GDBM_RCVR_MAX_FAILED_KEYS;
	}
      else if (strncmp (arg, "-max-failed-buckets=", 20) == 0)
	{
	  rcvr.max_failures = strtoul (arg + 20, &p, 10);
	  assert (*p == 0);
	  rcvr_flags |= GDBM_RCVR_MAX_FAILED_BUCKETS;
	}
      else if (strcmp (arg, "--") == 0)
	{
	  --argc;
	  ++argv;
	  break;
	}
      else if (arg[0] == '-')
	{
	  fprintf (stderr, "%s: unknown option %s\n", progname, arg);
	  exit (1);
	}
      else
	break;
    }

  if (argc < 1)
    {
      fprintf (stderr, "%s: wrong arguments\n", progname);
      exit (1);
    }
  dbname = *argv;
  
  dbf = gdbm_open (dbname, 0, open_flags, 0, NULL);
  if (!dbf)
    {
      fprintf (stderr, "gdbm_open failed: %s\n", gdbm_strerror (gdbm_errno));
      exit (1);
    }

  rc = gdbm_recover (dbf, &rcvr, rcvr_flags);

  if (gdbm_close (dbf))
    {
      fprintf (stderr, "gdbm_close: %s; %s\n", gdbm_strerror (gdbm_errno),
	       strerror (errno));
      rc = 3;
    }
  exit (rc);
}

Return to:

Send suggestions and report system problems to the System administrator.