[packages/rpm.git] / rpmdb_checkversion.c

#include <sys/types.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <db.h>

const char *progname = "rpmdb_checkversion";		/* Program name. */

/*
 * A very simple program to check for a Berkeley DB environment mismatch.
 */
int
main(int argc, char *argv[])
{
	extern char *optarg;
	extern int optind;
	const char *data_dir, *home;
	int ch, quiet;
	DB_ENV *dbenv;
	int ret;

	/*
	 * All of the shared database files live in home, but
	 * data files will live in data_dir.
	 */
	quiet = 0;
	home = "/var/lib/rpm";
	data_dir = "/var/lib/rpm";
	while ((ch = getopt(argc, argv, "h:d:q")) != EOF)
		switch (ch) {
		case 'h':
			home = optarg;
			break;
		case 'd':
			data_dir = optarg;
			break;
		case 'q':
			quiet = 1;
			break;
		case '?':
		default:
			(void)fprintf(stderr, "usage: %s [-h home] [-d data_dir]\n", progname);
			return (1);
		}
	argc -= optind;
	argv += optind;

	if (argc != 0) {
		(void)fprintf(stderr, "usage: %s [-h home] [-d data_dir]\n", progname);
		return (1);
	}

	/*
	 * Create an environment object and initialize it for error
	 * reporting.
	 */
	if ((ret = db_env_create(&dbenv, 0)) != 0) {
		if (!quiet)
			fprintf(stderr, "%s: %s\n", progname, db_strerror(ret));
		return (1);
	}
	if (quiet) {
		dbenv->set_errfile(dbenv, NULL);
	} else {
		dbenv->set_errfile(dbenv, stderr);
	}
	dbenv->set_errpfx(dbenv, progname);

	/*
	 * We want to specify the shared memory buffer pool cachesize,
	 * but everything else is the default.
	 */
	if ((ret = dbenv->set_cachesize(dbenv, 0, 64 * 1024, 0)) != 0) {
		dbenv->err(dbenv, ret, "set_cachesize");
		dbenv->close(dbenv, 0);
		return (1);
	}

	/* Databases are in a subdirectory. */
	(void)dbenv->set_data_dir(dbenv, data_dir);

	/* Open the environment with full transactional support. */
	ret = dbenv->open(dbenv, home, DB_INIT_MPOOL, 0644);
	/* Close the environment handle. */
	dbenv->close(dbenv, 0);
#if 0
	if (ret == DB_VERSION_MISMATCH) {
#else
	if (ret != 0) {
#endif
		return (1);
	}

	return (0);
}
Commit	Line	Data
91ee86a9 JR	1	#include <sys/types.h>
	2	#include <stddef.h>
	3	#include <stdio.h>
	4	#include <stdlib.h>
	5	#include <unistd.h>
	6	#include <db.h>
	7
	8	const char progname = "rpmdb_checkversion"; / Program name. */
	9
	10	/*
	11	* A very simple program to check for a Berkeley DB environment mismatch.
	12	*/
	13	int
	14	main(int argc, char *argv[])
	15	{
	16	extern char *optarg;
	17	extern int optind;
	18	const char data_dir, home;
	19	int ch, quiet;
	20	DB_ENV *dbenv;
	21	int ret;
	22
	23	/*
	24	* All of the shared database files live in home, but
	25	* data files will live in data_dir.
	26	*/
	27	quiet = 0;
	28	home = "/var/lib/rpm";
	29	data_dir = "/var/lib/rpm";
	30	while ((ch = getopt(argc, argv, "h:d:q")) != EOF)
	31	switch (ch) {
	32	case 'h':
	33	home = optarg;
	34	break;
	35	case 'd':
	36	data_dir = optarg;
	37	break;
	38	case 'q':
	39	quiet = 1;
	40	break;
	41	case '?':
	42	default:
	43	(void)fprintf(stderr, "usage: %s [-h home] [-d data_dir]\n", progname);
ce677e41	44	return (1);
91ee86a9 JR	45	}
	46	argc -= optind;
	47	argv += optind;
	48
	49	if (argc != 0) {
	50	(void)fprintf(stderr, "usage: %s [-h home] [-d data_dir]\n", progname);
ce677e41	51	return (1);
91ee86a9 JR	52	}
	53
	54	/*
	55	* Create an environment object and initialize it for error
	56	* reporting.
	57	*/
	58	if ((ret = db_env_create(&dbenv, 0)) != 0) {
	59	if (!quiet)
	60	fprintf(stderr, "%s: %s\n", progname, db_strerror(ret));
ce677e41	61	return (1);
91ee86a9 JR	62	}
	63	if (quiet) {
	64	dbenv->set_errfile(dbenv, NULL);
	65	} else {
	66	dbenv->set_errfile(dbenv, stderr);
	67	}
	68	dbenv->set_errpfx(dbenv, progname);
	69
	70	/*
	71	* We want to specify the shared memory buffer pool cachesize,
	72	* but everything else is the default.
	73	*/
	74	if ((ret = dbenv->set_cachesize(dbenv, 0, 64 * 1024, 0)) != 0) {
	75	dbenv->err(dbenv, ret, "set_cachesize");
	76	dbenv->close(dbenv, 0);
ce677e41	77	return (1);
91ee86a9 JR	78	}
	79
	80	/* Databases are in a subdirectory. */
	81	(void)dbenv->set_data_dir(dbenv, data_dir);
	82
	83	/* Open the environment with full transactional support. */
	84	ret = dbenv->open(dbenv, home, DB_INIT_MPOOL, 0644);
	85	/* Close the environment handle. */
	86	dbenv->close(dbenv, 0);
ce677e41	87	#if 0
91ee86a9	88	if (ret == DB_VERSION_MISMATCH) {
ce677e41 JR	89	#else
	90	if (ret != 0) {
	91	#endif
91ee86a9 JR	92	return (1);
	93	}
	94
	95	return (0);
	96	}