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port of gmdb to gnome2. lots o other stuff

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brianb
2002-12-27 15:09:02 +00:00
parent fcd99f54e0
commit 16735470a7
56 changed files with 6630 additions and 241 deletions
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115
src/util/updrow.c Normal file
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/* 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"
main(int argc, char **argv)
{
int rows;
int i;
unsigned char buf[2048];
MdbHandle *mdb;
MdbCatalogEntry *entry;
MdbTableDef *table;
GList *l;
char *dot, *colname, *tabname;
char *colop, *colval;
char *sargname = NULL;
char *updstr = NULL;
unsigned char data[255];
int len;
if (argc<4) {
fprintf(stderr,"Usage: %s <file> <table> <sargs> <updstr>\n",argv[0]);
exit(1);
}
mdb_init();
mdb = mdb_open(argv[1]);
tabname = argv[2];
sargname = argv[3];
updstr = strdup(argv[4]);
mdb_read_catalog(mdb, MDB_TABLE);
for (i=0;i<mdb->num_catalog;i++) {
entry = g_ptr_array_index(mdb->catalog,i);
if (entry->object_type == MDB_TABLE &&
!strcmp(entry->object_name,tabname)) {
table = mdb_read_table(entry);
mdb_read_columns(table);
mdb_read_indices(table);
printf("updstr %s\n",updstr);
colname = strtok(updstr,"=");
colval = strtok(NULL,"=");
bind_column(table, colname, data, &len);
read_to_row(table, sargname);
mdb_update_row(table);
printf("current value of %s is %s, changing to %s\n", colname, data, colval);
}
}
mdb_free_handle(mdb);
mdb_exit();
exit(0);
}
int bind_column(MdbTableDef *table, char *colname, unsigned char *data, int *len)
{
int i, found = 0;
MdbColumn *col;
for (i=0;i<table->num_cols;i++) {
col=g_ptr_array_index(table->columns,i);
printf("%d colname %s\n", i, col->name);
if (col && !strcmp(col->name,colname)) {
found = i+1;
}
}
printf("column %d\n",found);
mdb_bind_column(table, found, data);
mdb_bind_len(table, found, len);
}
void read_to_row(MdbTableDef *table, char *sargname)
{
MdbSarg sarg;
char *sargcol, *sargop, *sargval;
if (sargname) {
sargcol = strtok(sargname," ");
sargop = strtok(NULL," ");
sargval = strtok(NULL," ");
printf("col %s op %s val %s\n",sargcol,sargop,sargval);
sarg.op = MDB_EQUAL; /* only support = for now, sorry */
sarg.value.i = atoi(sargval);
mdb_add_sarg_by_name(table, sargcol, &sarg);
}
mdb_rewind_table(table);
while (mdb_fetch_row(table)) {
printf("row found at page %d row %d\n",
table->cur_phys_pg, table->cur_row);
return;
}
}