Preliminary row handling

This commit is contained in:
brianb
2000-03-09 04:48:59 +00:00
parent 74aca167d5
commit 654cbac70f
7 changed files with 122 additions and 8 deletions

View File

@@ -2,7 +2,7 @@
CC = gcc
INC = -I ../include `glib-config --cflags`
OBJS = catalog.o mem.o file.o kkd.o table.o
OBJS = catalog.o mem.o file.o kkd.o table.o data.o
all: libmdb

44
src/libmdb/data.c Normal file
View File

@@ -0,0 +1,44 @@
/* MDB Tools - A library for reading MS Access database file
* Copyright (C) 2000 Brian Bruns
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "mdbtools.h"
void mdb_data_dump(MdbTableDef *table)
{
MdbColumn col;
MdbHandle *mdb = table->entry->mdb;
int i, pg_num;
int rows;
int row_start, row_end;
for (pg_num=1;pg_num<=table->num_pgs;pg_num++) {
mdb_read_pg(mdb,table->first_data_pg + pg_num);
rows = mdb_get_int16(mdb,8);
fprintf(stdout,"Rows on page %d: %d\n", pg_num, rows);
row_end=2047;
for (i=0;i<rows;i++) {
row_start = mdb_get_int16(mdb,10+i*2);
fprintf(stdout,"Row %d bytes %d to %d\n", i, row_start, row_end);
fprintf(stdout,"#cols: %-3d #varcols %-3d\n", mdb->pg_buf[row_start], mdb->pg_buf[row_end-1]);
row_end = row_start-1;
}
}
}

View File

@@ -48,6 +48,7 @@ MdbTableDef *table;
table = (MdbTableDef *) malloc(sizeof(MdbTableDef));
memset(table, '\0', sizeof(MdbTableDef));
table->entry=entry;
strcpy(table->name, entry->object_name);
return table;

View File

@@ -77,8 +77,9 @@ int len, i;
return table;
}
GArray *mdb_read_columns(MdbHandle *mdb, MdbTableDef *table)
GArray *mdb_read_columns(MdbTableDef *table)
{
MdbHandle *mdb = table->entry->mdb;
MdbColumn col;
GArray *columns;
int len, i;
@@ -127,13 +128,13 @@ int i;
fprintf(stdout,"number of datapages = %d\n",table->num_pgs);
fprintf(stdout,"first data page = %d\n",table->first_data_pg);
mdb_read_columns(mdb, table);
mdb_read_columns(table);
for (i=0;i<table->num_cols;i++) {
col = g_array_index(table->columns,MdbColumn,i);
fprintf(stdout,"column %2d %s\n",i,col.name);
fprintf(stdout,"column type %s\n",
mdb_get_coltype_string(col.col_type));
fprintf(stdout,"column size %d\n",col.col_size);
fprintf(stdout,"column %d Name: %-20s Type: %s(%d)\n",
i, col.name,
mdb_get_coltype_string(col.col_type),
col.col_size);
}
}