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Message-ID:	<20050721022752.90634.qmail@web50404.mail.yahoo.com>
Date:	Wed, 20 Jul 2005 21:27:52 -0500 (CDT)
From:	Manuel Tejada <mantemu AT yahoo DOT com DOT mx>
Subject:	Why I can't create a database using Berkeley DB
To:	cygwin AT cygwin DOT com
MIME-Version:	1.0
X-IsSubscribed:	yes

Recently I installed Berkeley DB version 4.3.


I copied The following example source from a tutorial
somewhere which I saved as prueba_berkeley.c:

---------------------------------
#include <sys/types.h>
#include <stdio.h>
#include <db.h>

#define	DATABASE "access.db"

int
main()
{
	DB *dbp;
	DBT key, data;
	int ret, t_ret;

	if ((ret = db_create(&dbp, NULL, 0)) != 0) {
		fprintf(stderr, "db_create: %s\n",
db_strerror(ret));
		exit (1);
	}
	if ((ret = dbp->open(dbp,
	    NULL, DATABASE, NULL, DB_BTREE, DB_CREATE, 0664))
!= 0) {
		dbp->err(dbp, ret, "%s", DATABASE);
		goto err;
	}

	memset(&key, 0, sizeof(key));
	memset(&data, 0, sizeof(data));
	key.data = "fruit";
	key.size = sizeof("fruit");
	data.data = "apple";
	data.size = sizeof("apple");

	if ((ret = dbp->put(dbp, NULL, &key, &data, 0)) == 0)
		printf("db: %s: key stored.\n", (char *)key.data);
	else {
		dbp->err(dbp, ret, "DB->put");
		goto err;
	}

	if ((ret = dbp->get(dbp, NULL, &key, &data, 0)) == 0)
		printf("db: %s: key retrieved: data was %s.\n",
		    (char *)key.data, (char *)data.data);
	else {
		dbp->err(dbp, ret, "DB->get");
		goto err;
	}

	if ((ret = dbp->del(dbp, NULL, &key, 0)) == 0)
		printf("db: %s: key was deleted.\n", (char
*)key.data);
	else {
		dbp->err(dbp, ret, "DB->del");
		goto err;
	}

	if ((ret = dbp->get(dbp, NULL, &key, &data, 0)) == 0)
		printf("db: %s: key retrieved: data was %s.\n",
		    (char *)key.data, (char *)data.data);
	else
		dbp->err(dbp, ret, "DB->get");
err:	if ((t_ret = dbp->close(dbp, 0)) != 0 && ret ==
0)
		ret = t_ret; 

	exit(ret);
}
----------------------------------


When I tried to compile prueba_berkeley.c I get the
following:

$ gcc -o prueba_berkeley prueba_berkeley.c
/cygdrive/c/WINDOWS/TEMP/ccRirmsy.o:prueba_berkeley.c:(.text+0x45):
undefined reference to `_db_create'
/cygdrive/c/WINDOWS/TEMP/ccRirmsy.o:prueba_berkeley.c:(.text+0x59):
undefined reference to `_db_strerror'
collect2: ld returned 1 exit status


As you see, it tells the db_create() anf db_strerror()
are not defined. Somebody can tell me how to define
them?

I will appreciate any help.


Manuel TEJADA M.


	
	
		
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