mdb-tables.c

直接存取Access97数据库文件(MDB)的工具库源码

/* MDB Tools - A library for reading MS Access database file
 * Copyright (C) 2000 Brian Bruns
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/* this utility dumps the schema for an existing database */

#include "mdbtools.h"

main (int argc, char **argv)
{
int   i, j, k;
MdbHandle *mdb;
MdbCatalogEntry entry;
MdbTableDef *table;
MdbColumn *col;

 if (argc < 2) {
   fprintf (stderr, "Usage: %s <file>\n",argv[0]);
   exit (1);
 }
 
 /* initialize the library */
 mdb_init();

 /* open the database */

 mdb = mdb_open (argv[1]);

 /* read the catalog */
 
 mdb_read_catalog (mdb, MDB_TABLE);

 /* loop over each entry in the catalog */

 for (i=0; i < mdb->num_catalog; i++) 
   {
     entry = g_array_index (mdb->catalog, MdbCatalogEntry, i);

     /* if it's a table */

     if (entry.object_type == MDB_TABLE)
       {
	 /* skip the MSys tables */
       if (strncmp (entry.object_name, "MSys", 4))
	 {
	   
	   /* make sure it's a table (may be redundant) */

	   if (!strcmp (mdb_get_objtype_string (entry.object_type), "Table"))
	     {
	       /* drop the table if it exists */
	       fprintf (stdout, "%s ", entry.object_name);
	     }
	 }
     }
   }
 fprintf (stdout, "\n");
 
 mdb_free_handle (mdb);
 mdb_exit();
}