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123 lines
3.3 KiB
C
123 lines
3.3 KiB
C
/* MDB Tools - A library for reading MS Access database file
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* Copyright (C) 2000 Brian Bruns
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "mdbtools.h"
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char *mdb_get_coltype_string(int col_type)
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{
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/*
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** need to do this is a way that will allow multiple outputs for different
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** backend servers...these are MS SQL/Sybase specific
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*/
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static char *type_name[] = {"Unknown 0x00",
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"Unknown 0x01",
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"Unknown 0x02",
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"smallint",
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"int",
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"Unknown 0x05",
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"Unknown 0x06",
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"Unknown 0x07",
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"smalldatetime",
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"Unknown 0x09",
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"varchar",
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"Unknown 0x0b"
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"hyperlink -- fixme"
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};
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if (col_type > 11) {
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return NULL;
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} else {
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return type_name[col_type];
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}
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}
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unsigned char mdb_col_needs_size(int col_type)
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{
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if (col_type == MDB_TEXT) {
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return TRUE;
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} else {
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return FALSE;
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}
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}
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MdbTableDef *mdb_read_table(MdbCatalogEntry *entry)
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{
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MdbTableDef *table;
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MdbHandle *mdb = entry->mdb;
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int len, i;
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table = mdb_alloc_tabledef(entry);
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mdb_read_pg(mdb, entry->table_pg);
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len = mdb_get_int16(mdb,8);
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table->num_rows = mdb_get_int32(mdb,12);
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table->num_cols = mdb_get_int16(mdb,25);
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table->num_pgs = mdb_get_int32(mdb,27);
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table->first_data_pg = mdb_get_int16(mdb,36);
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return table;
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}
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MdbColumn *mdb_read_column(MdbTableDef *table)
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{
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}
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void mdb_table_dump(MdbCatalogEntry *entry)
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{
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int len, i;
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int cur_col, cur_name;
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int col_type, col_size;
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int col_start, name_start;
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char name[MDB_MAX_OBJ_NAME+1];
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int name_sz;
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MdbTableDef *table;
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MdbHandle *mdb = entry->mdb;
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table = mdb_read_table(entry);
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fprintf(stdout,"number of datarows = %d\n",table->num_rows);
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fprintf(stdout,"number of columns = %d\n",table->num_cols);
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fprintf(stdout,"number of datapages = %d\n",table->num_pgs);
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fprintf(stdout,"first data page = %d\n",table->first_data_pg);
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col_start = 43 + (table->num_pgs * 8);
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name_start = col_start + (table->num_cols * 18);
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cur_col = col_start;
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cur_name = name_start;
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for (i=0;i<table->num_cols;i++) {
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col_type = mdb->pg_buf[cur_col];
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col_size = mdb_get_int16(mdb,cur_col+16);
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/* get the name */
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name_sz = mdb->pg_buf[cur_name];
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memcpy(name,&mdb->pg_buf[cur_name+1],name_sz);
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name[name_sz]='\0';
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fprintf(stdout,"column %2d %s\n",i,name);
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fprintf(stdout,"column type %s\n",mdb_get_coltype_string(col_type));
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fprintf(stdout,"column size %d\n",col_size);
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cur_col += 18;
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cur_name += name_sz + 1;
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}
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}
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