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keximdb/keximdb/src/mdbtools/libmdb/options.c

88 lines
2.2 KiB

/* MDB Tools - A library for reading MS Access database file
* Copyright (C) 2004 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 <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#include <mdbtools.h>
#ifdef DMALLOC
#include "dmalloc.h"
#endif
#define DEBUG 1
static unsigned long opts;
static int optset;
static void load_options();
void
mdb_debug(int klass, char *fmt, ...)
{
#ifdef DEBUG
va_list ap;
if (!optset) load_options();
if (klass & opts) {
va_start(ap, fmt);
vfprintf (stdout,fmt, ap);
va_end(ap);
fprintf(stdout,"\n");
}
#endif
}
static void
load_options()
{
char *opt;
char *s;
if (!optset && (s=getenv("MDBOPTS"))) {
opt = strtok(s, ":");
do {
if (!strcmp(opt, "use_index")) opts |= MDB_USE_INDEX;
if (!strcmp(opt, "no_memo")) opts |= MDB_NO_MEMO;
if (!strcmp(opt, "debug_like")) opts |= MDB_DEBUG_LIKE;
if (!strcmp(opt, "debug_write")) opts |= MDB_DEBUG_WRITE;
if (!strcmp(opt, "debug_usage")) opts |= MDB_DEBUG_USAGE;
if (!strcmp(opt, "debug_ole")) opts |= MDB_DEBUG_OLE;
if (!strcmp(opt, "debug_row")) opts |= MDB_DEBUG_ROW;
if (!strcmp(opt, "debug_all")) {
opts |= MDB_DEBUG_LIKE;
opts |= MDB_DEBUG_WRITE;
opts |= MDB_DEBUG_USAGE;
opts |= MDB_DEBUG_OLE;
opts |= MDB_DEBUG_ROW;
}
opt = strtok(NULL,":");
} while (opt);
}
optset = 1;
}
int
mdb_get_option(unsigned long optnum)
{
if (!optset) load_options();
return ((opts & optnum) > 0);
}