From owner-freebsd-database  Fri Aug 14 16:15:55 1998
Return-Path: <owner-freebsd-database@FreeBSD.ORG>
Received: (from majordom@localhost)
          by hub.freebsd.org (8.8.8/8.8.8) id QAA11309
          for freebsd-database-outgoing; Fri, 14 Aug 1998 16:15:55 -0700 (PDT)
          (envelope-from owner-freebsd-database@FreeBSD.ORG)
Received: from misery.sdf.com (misery.sdf.com [204.244.213.49])
          by hub.freebsd.org (8.8.8/8.8.8) with SMTP id QAA11303
          for <freebsd-database@freebsd.org>; Fri, 14 Aug 1998 16:15:49 -0700 (PDT)
          (envelope-from tom@sdf.com)
Received: from tom by misery.sdf.com with smtp (Exim 1.82 #3)
	id 0z7SW8-0002Pd-00; Fri, 14 Aug 1998 15:40:16 -0700
Date: Fri, 14 Aug 1998 15:40:15 -0700 (PDT)
From: Tom <tom@sdf.com>
To: animal <animal@skylink.net>
cc: freebsd-database@FreeBSD.ORG
Subject: Re: .dir .pag .db
In-Reply-To: <Pine.BSF.3.95q.980814140621.18381E-100000@shell.skylink.net>
Message-ID: <Pine.BSF.3.95q.980814153805.9258A-100000@misery.sdf.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: owner-freebsd-database@FreeBSD.ORG
Precedence: bulk


On Fri, 14 Aug 1998, animal wrote:

> 
> I am for one haveing a hard time even getiing any documentation on all of
> these....
> 
> When i create a database with perl it makes a .db.....
> 
> but i am trying to compile a c prog that will add keys to a data base...
> 
> can you tell me what i am doing wrong....
> 
> I use this to create the database......
> 
> #include <stdio.h>
> #include <fcntl.h>
> #include <ndbm.h>
> 
> main() {
> 
> 	DBM *db;
> 
> 	db = dbm_open("/usr/local/radius/users",O_CREAT,0000664);
> 	
> 	dbm_close(db);
> }
> 
> 
> 
> and then i am trying to add data to it by..........
> 
> #include <stdio.h>
> #include <fcntl.h>
> #include <ndbm.h>
> 
> 
> main() {
> 
> 	DBM *db
> 	datum kename,whatto;
> 
> 	db = dbm_open("/usr/local/radius/users",O_WRONLY,0000664);
> 
> 	kename.dptr = "animal";
> 	kename.dsize = strlen(kename.dptr)+1;
> 
> 	whatto.dptr = "Data to be stored in database";
> 	kename.dsize = strlen(whatto.dptr)+1;

  This is a bit of problem.  You are setting kename.dsize twice, and the
second time to the length of whatto.dptr, so dbm_store will read beyond
the end of kename.dptr.

> 	if (dbm_store(db,kename,whatto,DBM_INSERT) < 0) {
> 		printf("Insert messed up");
> 	}
> 	
> 	dbm_close(db);
> }

Tom


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-database" in the body of the message