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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libc/db/recno/rec_utils.c	Lines:	0	32	0.0 %
Date:	2017-11-07	Branches:	0	18	0.0 %


/*	$OpenBSD: rec_utils.c,v 1.9 2015/01/16 16:48:51 deraadt Exp $ */
/*-
 * Copyright (c) 1990, 1993, 1994
 *	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 <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <db.h>
#include "recno.h"

/*
 * __rec_ret --
 *	Build return data.
 *
 * Parameters:
 *	t:	tree
 *	e:	key/data pair to be returned
 *   nrec:	record number
 *    key:	user's key structure
 *   data:	user's data structure
 *
 * Returns:
 *	RET_SUCCESS, RET_ERROR.
 */
int
__rec_ret(BTREE *t, EPG *e, recno_t nrec, DBT *key, DBT *data)
{
	RLEAF *rl;
	void *p;

	if (key == NULL)
		goto dataonly;

	/* We have to copy the key, it's not on the page. */
	if (sizeof(recno_t) > t->bt_rkey.size) {
		p = realloc(t->bt_rkey.data, sizeof(recno_t));
		if (p == NULL)
			return (RET_ERROR);
		t->bt_rkey.data = p;
		t->bt_rkey.size = sizeof(recno_t);
	}
	memmove(t->bt_rkey.data, &nrec, sizeof(recno_t));
	key->size = sizeof(recno_t);
	key->data = t->bt_rkey.data;

dataonly:
	if (data == NULL)
		return (RET_SUCCESS);

	/*
	 * We must copy big keys/data to make them contigous.  Otherwise,
	 * leave the page pinned and don't copy unless the user specified
	 * concurrent access.
	 */
	rl = GETRLEAF(e->page, e->index);
	if (rl->flags & P_BIGDATA) {
		if (__ovfl_get(t, rl->bytes,
		    &data->size, &t->bt_rdata.data, &t->bt_rdata.size))
			return (RET_ERROR);
		data->data = t->bt_rdata.data;
	} else if (F_ISSET(t, B_DB_LOCK)) {
		/* Use +1 in case the first record retrieved is 0 length. */
		if (rl->dsize + 1 > t->bt_rdata.size) {
			p = realloc(t->bt_rdata.data, rl->dsize + 1);
			if (p == NULL)
				return (RET_ERROR);
			t->bt_rdata.data = p;
			t->bt_rdata.size = rl->dsize + 1;
		}
		memmove(t->bt_rdata.data, rl->bytes, rl->dsize);
		data->size = rl->dsize;
		data->data = t->bt_rdata.data;
	} else {
		data->size = rl->dsize;
		data->data = rl->bytes;
	}
	return (RET_SUCCESS);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: rec_utils.c,v 1.9 2015/01/16 16:48:51 deraadt Exp $ */
2			/*-
3			* Copyright (c) 1990, 1993, 1994
4			* The Regents of the University of California. All rights reserved.
5			*
6			* Redistribution and use in source and binary forms, with or without
7			* modification, are permitted provided that the following conditions
8			* are met:
9			* 1. Redistributions of source code must retain the above copyright
10			* notice, this list of conditions and the following disclaimer.
11			* 2. Redistributions in binary form must reproduce the above copyright
12			* notice, this list of conditions and the following disclaimer in the
13			* documentation and/or other materials provided with the distribution.
14			* 3. Neither the name of the University nor the names of its contributors
15			* may be used to endorse or promote products derived from this software
16			* without specific prior written permission.
17			*
18			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28			* SUCH DAMAGE.
29			*/
30
31			#include <stdio.h>
32			#include <stdlib.h>
33			#include <string.h>
34
35			#include <db.h>
36			#include "recno.h"
37
38			/*
39			* __rec_ret --
40			* Build return data.
41			*
42			* Parameters:
43			* t: tree
44			* e: key/data pair to be returned
45			* nrec: record number
46			* key: user's key structure
47			* data: user's data structure
48			*
49			* Returns:
50			* RET_SUCCESS, RET_ERROR.
51			*/
52			int
53			__rec_ret(BTREE t, EPG e, recno_t nrec, DBT key, DBT data)
54			{
55			RLEAF *rl;
56			void *p;
57
58			if (key == NULL)
59			goto dataonly;
60
61			/* We have to copy the key, it's not on the page. */
62			if (sizeof(recno_t) > t->bt_rkey.size) {
63			p = realloc(t->bt_rkey.data, sizeof(recno_t));
64			if (p == NULL)
65			return (RET_ERROR);
66			t->bt_rkey.data = p;
67			t->bt_rkey.size = sizeof(recno_t);
68			}
69			memmove(t->bt_rkey.data, &nrec, sizeof(recno_t));
70			key->size = sizeof(recno_t);
71			key->data = t->bt_rkey.data;
72
73			dataonly:
74			if (data == NULL)
75			return (RET_SUCCESS);
76
77			/*
78			* We must copy big keys/data to make them contigous. Otherwise,
79			* leave the page pinned and don't copy unless the user specified
80			* concurrent access.
81			*/
82			rl = GETRLEAF(e->page, e->index);
83			if (rl->flags & P_BIGDATA) {
84			if (__ovfl_get(t, rl->bytes,
85			&data->size, &t->bt_rdata.data, &t->bt_rdata.size))
86			return (RET_ERROR);
87			data->data = t->bt_rdata.data;
88			} else if (F_ISSET(t, B_DB_LOCK)) {
89			/* Use +1 in case the first record retrieved is 0 length. */
90			if (rl->dsize + 1 > t->bt_rdata.size) {
91			p = realloc(t->bt_rdata.data, rl->dsize + 1);
92			if (p == NULL)
93			return (RET_ERROR);
94			t->bt_rdata.data = p;
95			t->bt_rdata.size = rl->dsize + 1;
96			}
97			memmove(t->bt_rdata.data, rl->bytes, rl->dsize);
98			data->size = rl->dsize;
99			data->data = t->bt_rdata.data;
100			} else {
101			data->size = rl->dsize;
102			data->data = rl->bytes;
103			}
104			return (RET_SUCCESS);
105			}