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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libc/db/db/db.c	Lines:	6	19	31.6 %
Date:	2017-11-07	Branches:	3	10	30.0 %


/*	$OpenBSD: db.c,v 1.13 2015/09/05 11:28:35 guenther Exp $	*/

/*-
 * Copyright (c) 1991, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/types.h>

#include <errno.h>
#include <fcntl.h>
#include <stddef.h>
#include <stdio.h>

#include <db.h>

static int __dberr(void);

DB *
dbopen(const char *fname, int flags, int mode, DBTYPE type,
    const void *openinfo)
{

#define	DB_FLAGS	(DB_LOCK | DB_SHMEM | DB_TXN)
#define	USE_OPEN_FLAGS							\
	(O_CREAT | O_EXCL | O_EXLOCK | O_NOFOLLOW | O_NONBLOCK | 	\
	 O_ACCMODE | O_SHLOCK | O_SYNC | O_TRUNC)

	if (((flags & O_ACCMODE) == O_RDONLY || (flags & O_ACCMODE) == O_RDWR)
	    && (flags & ~(USE_OPEN_FLAGS | DB_FLAGS)) == 0)
		switch (type) {
		case DB_BTREE:
			return (__bt_open(fname, flags & USE_OPEN_FLAGS,
			    mode, openinfo, flags & DB_FLAGS));
		case DB_HASH:
			return (__hash_open(fname, flags & USE_OPEN_FLAGS,
			    mode, openinfo, flags & DB_FLAGS));
		case DB_RECNO:
			return (__rec_open(fname, flags & USE_OPEN_FLAGS,
			    mode, openinfo, flags & DB_FLAGS));
		}
	errno = EINVAL;
	return (NULL);
}
DEF_WEAK(dbopen);

static int
__dberr(void)
{
	return (RET_ERROR);
}

/*
 * __DBPANIC -- Stop.
 *
 * Parameters:
 *	dbp:	pointer to the DB structure.
 */
void
__dbpanic(DB *dbp)
{
	/* The only thing that can succeed is a close. */
	dbp->del = (int (*)(const struct __db *, const DBT*, u_int))__dberr;
	dbp->fd = (int (*)(const struct __db *))__dberr;
	dbp->get = (int (*)(const struct __db *, const DBT*, DBT *, u_int))__dberr;
	dbp->put = (int (*)(const struct __db *, DBT *, const DBT *, u_int))__dberr;
	dbp->seq = (int (*)(const struct __db *, DBT *, DBT *, u_int))__dberr;
	dbp->sync = (int (*)(const struct __db *, u_int))__dberr;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: db.c,v 1.13 2015/09/05 11:28:35 guenther Exp $ */
2
3			/*-
4			* Copyright (c) 1991, 1993
5			* The Regents of the University of California. All rights reserved.
6			*
7			* Redistribution and use in source and binary forms, with or without
8			* modification, are permitted provided that the following conditions
9			* are met:
10			* 1. Redistributions of source code must retain the above copyright
11			* notice, this list of conditions and the following disclaimer.
12			* 2. Redistributions in binary form must reproduce the above copyright
13			* notice, this list of conditions and the following disclaimer in the
14			* documentation and/or other materials provided with the distribution.
15			* 3. Neither the name of the University nor the names of its contributors
16			* may be used to endorse or promote products derived from this software
17			* without specific prior written permission.
18			*
19			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29			* SUCH DAMAGE.
30			*/
31
32			#include <sys/types.h>
33
34			#include <errno.h>
35			#include <fcntl.h>
36			#include <stddef.h>
37			#include <stdio.h>
38
39			#include <db.h>
40
41			static int __dberr(void);
42
43			DB *
44			dbopen(const char *fname, int flags, int mode, DBTYPE type,
45			const void *openinfo)
46			{
47
48			#define DB_FLAGS (DB_LOCK \| DB_SHMEM \| DB_TXN)
49			#define USE_OPEN_FLAGS \
50			(O_CREAT \| O_EXCL \| O_EXLOCK \| O_NOFOLLOW \| O_NONBLOCK \| \
51			O_ACCMODE \| O_SHLOCK \| O_SYNC \| O_TRUNC)
52
53	✗✓✓✗	3540	if (((flags & O_ACCMODE) == O_RDONLY \|\| (flags & O_ACCMODE) == O_RDWR)
54	✗✗	1180	&& (flags & ~(USE_OPEN_FLAGS \| DB_FLAGS)) == 0)
55	✗✓✗✗	1180	switch (type) {
56			case DB_BTREE:
57			return (__bt_open(fname, flags & USE_OPEN_FLAGS,
58			mode, openinfo, flags & DB_FLAGS));
59			case DB_HASH:
60		2360	return (__hash_open(fname, flags & USE_OPEN_FLAGS,
61		1180	mode, openinfo, flags & DB_FLAGS));
62			case DB_RECNO:
63			return (__rec_open(fname, flags & USE_OPEN_FLAGS,
64			mode, openinfo, flags & DB_FLAGS));
65			}
66			errno = EINVAL;
67			return (NULL);
68		1180	}
69			DEF_WEAK(dbopen);
70
71			static int
72			__dberr(void)
73			{
74			return (RET_ERROR);
75			}
76
77			/*
78			* __DBPANIC -- Stop.
79			*
80			* Parameters:
81			* dbp: pointer to the DB structure.
82			*/
83			void
84			__dbpanic(DB *dbp)
85			{
86			/* The only thing that can succeed is a close. */
87			dbp->del = (int ()(const struct __db , const DBT*, u_int))__dberr;
88			dbp->fd = (int ()(const struct __db ))__dberr;
89			dbp->get = (int ()(const struct __db , const DBT, DBT , u_int))__dberr;
90			dbp->put = (int ()(const struct __db , DBT , const DBT , u_int))__dberr;
91			dbp->seq = (int ()(const struct __db , DBT , DBT , u_int))__dberr;
92			dbp->sync = (int ()(const struct __db , u_int))__dberr;
93			}