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102 lines
2.1 KiB
C
102 lines
2.1 KiB
C
/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 1996, 1997, 1998
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* Sleepycat Software. All rights reserved.
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*
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* @(#)ex_appinit.c 10.16 (Sleepycat) 4/11/98
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*/
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#include "config.h"
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#ifndef NO_SYSTEM_INCLUDES
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#include <sys/types.h>
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#include <errno.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#endif
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#include <db.h>
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#ifdef macintosh
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#define DATABASE_HOME ":database"
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#define CONFIG_DATA_DIR "DB_DATA_DIR :database"
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#else
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#ifdef _WIN32
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#define DATABASE_HOME "\\home\\database"
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#define CONFIG_DATA_DIR "DB_DATA_DIR \\database\\files"
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#else
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#define DATABASE_HOME "/home/database"
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#define CONFIG_DATA_DIR "DB_DATA_DIR /database/files"
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#endif
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#endif
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DB_ENV *db_setup __P((FILE *));
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int main __P((int, char *[]));
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const char
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*progname = "ex_appinit"; /* Program name. */
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/*
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* An example of a program using db_appinit(3) to configure its DB
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* environment.
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*/
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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DB_ENV *dbenv;
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dbenv = db_setup(stderr);
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return (0);
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}
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DB_ENV *
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db_setup(errfp)
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FILE *errfp;
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{
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DB_ENV *dbenv;
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char *config[2];
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/* Allocate and initialize the DB environment. */
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if ((dbenv = (DB_ENV *)malloc(sizeof(DB_ENV))) == NULL) {
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fprintf(stderr, "%s: %s\n", progname, strerror(ENOMEM));
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exit (1);
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}
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memset(dbenv, 0, sizeof(DB_ENV));
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/* Output errors to the application's log. */
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dbenv->db_errfile = errfp;
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dbenv->db_errpfx = progname;
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/*
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* All of the shared database files live in /home/database,
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* but data files live in /database.
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*/
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config[0] = CONFIG_DATA_DIR;
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config[1] = NULL;
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/*
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* We want to specify the shared memory buffer pool cachesize,
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* but everything else is the default.
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*/
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dbenv->mp_size = 64 * 1024;
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/*
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* We have multiple processes reading/writing these files, so
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* we need concurrency control and a shared buffer pool, but
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* not logging or transactions.
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*/
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if ((errno = db_appinit(DATABASE_HOME,
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config, dbenv, DB_CREATE | DB_INIT_LOCK | DB_INIT_MPOOL)) != 0) {
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fprintf(stderr,
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"%s: db_appinit: %s\n", progname, strerror(errno));
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exit (1);
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}
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return (dbenv);
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}
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