[12844] | 1 | /**********************************************************************
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| 2 | *
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| 3 | * gdbmget -- retrieve a single value from the GDBM database
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| 4 | * Copyright (C) 1999 The New Zealand Digital Library Project
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| 5 | *
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| 6 | * A component of the Greenstone digital library software
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| 7 | * from the New Zealand Digital Library Project at the
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| 8 | * University of Waikato, New Zealand.
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| 9 | *
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| 10 | * This program is free software; you can redistribute it and/or modify
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| 11 | * it under the terms of the GNU General Public License as published by
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| 12 | * the Free Software Foundation; either version 2 of the License, or
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| 13 | * (at your option) any later version.
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| 14 | *
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| 15 | * This program is distributed in the hope that it will be useful,
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| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | * GNU General Public License for more details.
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| 19 | *
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| 20 | * You should have received a copy of the GNU General Public License
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| 21 | * along with this program; if not, write to the Free Software
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| 22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 23 | *
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| 24 | *********************************************************************/
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| 25 |
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| 26 | #ifdef __WIN32__
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| 27 | #include "autoconf.h"
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| 28 | #include "systems.h"
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| 29 | #include "gdbmconst.h"
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| 30 | #include "gdbm.h"
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| 31 |
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| 32 | #else
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| 33 | #include <gdbm.h>
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| 34 | #endif
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| 35 |
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| 36 | #include "gsdlconf.h"
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| 37 | #include <stdlib.h>
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[18880] | 38 | #include <cstring>
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[12844] | 39 |
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| 40 | #if defined(GSDL_USE_OBJECTSPACE)
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| 41 | #include <ospace\std\iostream>
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| 42 | #elif defined(GSDL_USE_IOS_H)
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| 43 | #include <iostream.h>
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| 44 | #else
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| 45 | #include <iostream>
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| 46 | #endif
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| 47 |
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| 48 | // use the standard namespace
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| 49 | #if !defined (GSDL_NAMESPACE_BROKEN)
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| 50 | #if defined(GSDL_USE_OBJECTSPACE)
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| 51 | using namespace ospace::std;
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| 52 | #else
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| 53 | using namespace std;
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| 54 | #endif
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| 55 | #endif
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| 56 |
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| 57 | void
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| 58 | print_usage (char *program_name)
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| 59 | {
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[17091] | 60 | cerr << "usage: " << program_name << " <database_path> <key>" << endl;
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| 61 | cerr << endl;
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[12844] | 62 | }
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| 63 |
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| 64 |
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[17091] | 65 | int main (int argc, char *argv[])
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[12844] | 66 | {
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| 67 | int block_size = 0;
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| 68 | GDBM_FILE dbf;
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| 69 | datum key, value;
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| 70 |
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| 71 | // sanity check
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| 72 | if (argc != 3)
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| 73 | {
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| 74 | print_usage (argv[0]);
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[17091] | 75 | exit (-1);
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[12844] | 76 | }
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| 77 |
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| 78 | // open the database
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| 79 | #ifdef __WIN32__
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| 80 | dbf = gdbm_open (argv[1], block_size, GDBM_READER, 00664, NULL, 0);
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| 81 | #else
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| 82 | dbf = gdbm_open (argv[1], block_size, GDBM_READER, 00664, NULL);
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| 83 | #endif
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| 84 | if (dbf == NULL)
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| 85 | {
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[22039] | 86 | cerr << argv[0] << ": couldn't open " << argv[1] << endl;
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[17091] | 87 | exit (-1);
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[12844] | 88 | }
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| 89 |
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| 90 | key.dsize = strlen(argv[2]);
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| 91 | key.dptr = argv[2];
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| 92 | value = gdbm_fetch (dbf, key);
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| 93 | if (value.dsize > 0)
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| 94 | {
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| 95 | for (int i = 0; i < value.dsize; i++)
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| 96 | {
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| 97 | cout << value.dptr[i];
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| 98 | }
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[17782] | 99 | cout << endl; // used to be printf("\n");
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[15932] | 100 | // ?? free(value.dptri);
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[12844] | 101 | }
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| 102 | else
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| 103 | {
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[17782] | 104 | cout << endl; // used to be printf("\n");
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[12844] | 105 | }
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| 106 |
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| 107 | gdbm_close (dbf);
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| 108 | return 0;
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| 109 | }
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| 110 |
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