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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/dev_mkdb/dev_mkdb.c	Lines:	0	46	0.0 %
Date:	2017-11-07	Branches:	0	22	0.0 %


/*	$OpenBSD: dev_mkdb.c,v 1.15 2015/10/16 13:37:44 millert Exp $	*/

/*-
 * Copyright (c) 1990, 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/stat.h>

#include <db.h>
#include <dirent.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <paths.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

void	usage(void);

int
main(int argc, char *argv[])
{
	DIR *dirp;
	struct dirent *dp;
	struct stat sb;
	struct {
		mode_t type;
		dev_t dev;
	} bkey;
	DB *db;
	DBT data, key;
	HASHINFO info;
	int ch;
	u_char buf[MAXNAMLEN + 1];
	char dbtmp[PATH_MAX], dbname[PATH_MAX];

	if (pledge("stdio rpath wpath cpath flock", NULL) == -1)
		err(1, "pledge");

	while ((ch = getopt(argc, argv, "")) != -1)
		switch(ch) {
		case '?':
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	if (argc > 0)
		usage();

	if (chdir(_PATH_DEV))
		err(1, "%s", _PATH_DEV);

	dirp = opendir(".");

	(void)snprintf(dbtmp, sizeof(dbtmp), "%sdev.tmp", _PATH_VARRUN);
	(void)snprintf(dbname, sizeof(dbtmp), "%sdev.db", _PATH_VARRUN);
	bzero(&info, sizeof(info));
	info.bsize = 8192;
	db = dbopen(dbtmp, O_CREAT|O_EXLOCK|O_RDWR|O_TRUNC,
	    S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH, DB_HASH, &info);
	if (db == NULL)
		err(1, "%s", dbtmp);

	/*
	 * Keys are a mode_t followed by a dev_t.  The former is the type of
	 * the file (mode & S_IFMT), the latter is the st_rdev field.  Note
	 * that the structure may contain padding, so we have to clear it
	 * out here.
	 */
	bzero(&bkey, sizeof(bkey));
	key.data = &bkey;
	key.size = sizeof(bkey);
	data.data = buf;
	while ((dp = readdir(dirp))) {
		if (lstat(dp->d_name, &sb)) {
			warn("%s", dp->d_name);
			continue;
		}

		/* Create the key. */
		if (S_ISCHR(sb.st_mode))
			bkey.type = S_IFCHR;
		else if (S_ISBLK(sb.st_mode))
			bkey.type = S_IFBLK;
		else
			continue;
		bkey.dev = sb.st_rdev;

		/*
		 * Create the data; nul terminate the name so caller doesn't
		 * have to.
		 */
		bcopy(dp->d_name, buf, dp->d_namlen);
		buf[dp->d_namlen] = '\0';
		data.size = dp->d_namlen + 1;
		if ((db->put)(db, &key, &data, 0))
			err(1, "dbput %s", dbtmp);
	}
	(void)(db->close)(db);
	if (rename(dbtmp, dbname))
		err(1, "rename %s to %s", dbtmp, dbname);

	return (0);
}

void
usage(void)
{

	(void)fprintf(stderr, "usage: dev_mkdb\n");
	exit(1);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: dev_mkdb.c,v 1.15 2015/10/16 13:37:44 millert Exp $ */
2
3			/*-
4			* Copyright (c) 1990, 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/stat.h>
33
34			#include <db.h>
35			#include <dirent.h>
36			#include <err.h>
37			#include <errno.h>
38			#include <fcntl.h>
39			#include <paths.h>
40			#include <stdio.h>
41			#include <stdlib.h>
42			#include <string.h>
43			#include <unistd.h>
44
45			void usage(void);
46
47			int
48			main(int argc, char *argv[])
49			{
50			DIR *dirp;
51			struct dirent *dp;
52			struct stat sb;
53			struct {
54			mode_t type;
55			dev_t dev;
56			} bkey;
57			DB *db;
58			DBT data, key;
59			HASHINFO info;
60			int ch;
61			u_char buf[MAXNAMLEN + 1];
62			char dbtmp[PATH_MAX], dbname[PATH_MAX];
63
64			if (pledge("stdio rpath wpath cpath flock", NULL) == -1)
65			err(1, "pledge");
66
67			while ((ch = getopt(argc, argv, "")) != -1)
68			switch(ch) {
69			case '?':
70			default:
71			usage();
72			}
73			argc -= optind;
74			argv += optind;
75
76			if (argc > 0)
77			usage();
78
79			if (chdir(_PATH_DEV))
80			err(1, "%s", _PATH_DEV);
81
82			dirp = opendir(".");
83
84			(void)snprintf(dbtmp, sizeof(dbtmp), "%sdev.tmp", _PATH_VARRUN);
85			(void)snprintf(dbname, sizeof(dbtmp), "%sdev.db", _PATH_VARRUN);
86			bzero(&info, sizeof(info));
87			info.bsize = 8192;
88			db = dbopen(dbtmp, O_CREAT\|O_EXLOCK\|O_RDWR\|O_TRUNC,
89			S_IRUSR\|S_IWUSR\|S_IRGRP\|S_IROTH, DB_HASH, &info);
90			if (db == NULL)
91			err(1, "%s", dbtmp);
92
93			/*
94			* Keys are a mode_t followed by a dev_t. The former is the type of
95			* the file (mode & S_IFMT), the latter is the st_rdev field. Note
96			* that the structure may contain padding, so we have to clear it
97			* out here.
98			*/
99			bzero(&bkey, sizeof(bkey));
100			key.data = &bkey;
101			key.size = sizeof(bkey);
102			data.data = buf;
103			while ((dp = readdir(dirp))) {
104			if (lstat(dp->d_name, &sb)) {
105			warn("%s", dp->d_name);
106			continue;
107			}
108
109			/* Create the key. */
110			if (S_ISCHR(sb.st_mode))
111			bkey.type = S_IFCHR;
112			else if (S_ISBLK(sb.st_mode))
113			bkey.type = S_IFBLK;
114			else
115			continue;
116			bkey.dev = sb.st_rdev;
117
118			/*
119			* Create the data; nul terminate the name so caller doesn't
120			* have to.
121			*/
122			bcopy(dp->d_name, buf, dp->d_namlen);
123			buf[dp->d_namlen] = '\0';
124			data.size = dp->d_namlen + 1;
125			if ((db->put)(db, &key, &data, 0))
126			err(1, "dbput %s", dbtmp);
127			}
128			(void)(db->close)(db);
129			if (rename(dbtmp, dbname))
130			err(1, "rename %s to %s", dbtmp, dbname);
131
132			return (0);
133			}
134
135			void
136			usage(void)
137			{
138
139			(void)fprintf(stderr, "usage: dev_mkdb\n");
140			exit(1);
141			}