128 lines
4.5 KiB
C
128 lines
4.5 KiB
C
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/*---
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This software is copyrighted by the Regents of the University of
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California, and other parties. The following terms apply to all files
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associated with the software unless explicitly disclaimed in
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individual files.
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The authors hereby grant permission to use, copy, modify, distribute,
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and license this software and its documentation for any purpose,
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provided that existing copyright notices are retained in all copies
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and that this notice is included verbatim in any distributions. No
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written agreement, license, or royalty fee is required for any of the
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authorized uses. Modifications to this software may be copyrighted by
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their authors and need not follow the licensing terms described here,
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provided that the new terms are clearly indicated on the first page of
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each file where they apply.
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IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY
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FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
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DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND
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NON-INFRINGEMENT. THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, AND
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THE AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE
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MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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GOVERNMENT USE: If you are acquiring this software on behalf of the
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U.S. government, the Government shall have only "Restricted Rights" in
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the software and related documentation as defined in the Federal
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Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2). If you are
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acquiring the software on behalf of the Department of Defense, the
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software shall be classified as "Commercial Computer Software" and the
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Government shall have only "Restricted Rights" as defined in Clause
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252.227-7013 (c) (1) of DFARs. Notwithstanding the foregoing, the
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authors grant the U.S. Government and others acting in its behalf
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permission to use and distribute the software in accordance with the
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terms specified in this license.
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---*/
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#include <sys/types.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <db4/db.h>
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#define DATABASE "access.db"
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int main() {
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DB *dbp;
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DBT key1, dat1, key2, dat2, key3, dat3, key4, dat4;
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int ret, i, t_ret;
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if ((ret = db_create(&dbp, NULL, 0)) != 0) {
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fprintf(stderr, "db_create: %s\n", db_strerror(ret));
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exit (1);
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}
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if ((ret = dbp->open(dbp,
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NULL, DATABASE, NULL, DB_BTREE, DB_CREATE, 0664)) != 0) {
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dbp->err(dbp, ret, "%s", DATABASE);
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goto err;
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}
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memset(&key1, 0, sizeof(key1));
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memset(&dat1, 0, sizeof(dat1));
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memset(&key2, 0, sizeof(key1));
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memset(&dat2, 0, sizeof(dat1));
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memset(&key3, 0, sizeof(key1));
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memset(&dat3, 0, sizeof(dat1));
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memset(&key4, 0, sizeof(key1));
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memset(&dat4, 0, sizeof(dat1));
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key1.size = key2.size = key3.size = key4.size = sizeof(int);
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key1.data = malloc(sizeof(int));
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key2.data = malloc(sizeof(int));
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key3.data = malloc(sizeof(int));
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key4.data = malloc(sizeof(int));
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*((int*)key1.data) = 1; dat1.data = "one"; dat1.size = 4;
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*((int*)key2.data) = 2; dat2.data = "two"; dat2.size = 4;
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*((int*)key3.data) = 3; dat3.data = "three"; dat3.size = 6;
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*((int*)key4.data) = 4; dat4.data = "four"; dat4.size = 5;
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if( ret = (
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dbp->put(dbp, NULL, &key1, &dat1, 0) ||
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dbp->put(dbp, NULL, &key2, &dat2, 0) ||
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dbp->put(dbp, NULL, &key3, &dat3, 0) ||
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dbp->put(dbp, NULL, &key4, &dat4, 0) ))
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{
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dbp->err(dbp, ret, "DB->put");
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goto err;
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} else {
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printf("db: keys stored.\n");
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}
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for( i = 1; i <= 4; i++ ) {
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*((int*)key1.data) = i;
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if ((ret = dbp->get(dbp, NULL, &key1, &dat1, 0)) == 0)
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printf("db: %u: key retrieved: data was %s.\n", *((int*)key1.data), (char *)dat1.data);
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else {
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dbp->err(dbp, ret, "DB->get");
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goto err;
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}
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}
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err: if ((t_ret = dbp->close(dbp, 0)) != 0 && ret == 0)
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ret = t_ret;
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return 0;
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}
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