From 862fdf11a2ede45dec0da01ed575525d79468981 Mon Sep 17 00:00:00 2001 From: rgrimes Date: Thu, 26 May 1994 05:23:31 +0000 Subject: BSD 4.4 Lite usr.sbin Sources --- usr.sbin/dev_mkdb/Makefile | 6 ++ usr.sbin/dev_mkdb/dev_mkdb.8 | 81 +++++++++++++++++++ usr.sbin/dev_mkdb/dev_mkdb.c | 181 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 268 insertions(+) create mode 100644 usr.sbin/dev_mkdb/Makefile create mode 100644 usr.sbin/dev_mkdb/dev_mkdb.8 create mode 100644 usr.sbin/dev_mkdb/dev_mkdb.c (limited to 'usr.sbin/dev_mkdb') diff --git a/usr.sbin/dev_mkdb/Makefile b/usr.sbin/dev_mkdb/Makefile new file mode 100644 index 0000000..29c24f4 --- /dev/null +++ b/usr.sbin/dev_mkdb/Makefile @@ -0,0 +1,6 @@ +# @(#)Makefile 8.1 (Berkeley) 6/6/93 + +PROG= dev_mkdb +MAN8= dev_mkdb.0 + +.include diff --git a/usr.sbin/dev_mkdb/dev_mkdb.8 b/usr.sbin/dev_mkdb/dev_mkdb.8 new file mode 100644 index 0000000..9369b2b --- /dev/null +++ b/usr.sbin/dev_mkdb/dev_mkdb.8 @@ -0,0 +1,81 @@ +.\" 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. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. 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. +.\" +.\" @(#)dev_mkdb.8 8.1 (Berkeley) 6/6/93 +.\" +.Dd June 6, 1993 +.Os +.Dt DEV_MKDB 8 +.Sh NAME +.Nm dev_mkdb +.Nd create +.Pa /dev +database +.Sh SYNOPSIS +.Nm dev_mkdb +.Sh DESCRIPTION +The +.Nm dev_mkdb +command creates a +.Xr db 3 +hash access method database in +.Dq Pa /var/run/dev.db +which contains the names of all of the character and block special +files in the +.Dq Pa /dev +directory, using the file type and the +.Fa st_rdev +field as the key. +.Pp +Keys are a structure containing a mode_t followed by a dev_t, +with any padding zero'd out. +The former is the type of the file (st_mode & S_IFMT), +the latter is the st_rdev field. +.Sh FILES +.Bl -tag -width /var/run/dev.db -compact +.It Pa /dev +Device directory. +.It Pa /var/run/dev.db +Database file. +.El +.Sh SEE ALSO +.Xr ps 1 , +.Xr stat 2 , +.Xr db 3 , +.Xr devname 3 , +.Xr kvm_nlist 3 , +.Xr ttyname 3 , +.Xr kvm_mkdb 8 +.Sh HISTORY +The +.Nm dev_mkdb +command appeared in +.Bx 4.4 . diff --git a/usr.sbin/dev_mkdb/dev_mkdb.c b/usr.sbin/dev_mkdb/dev_mkdb.c new file mode 100644 index 0000000..682c041 --- /dev/null +++ b/usr.sbin/dev_mkdb/dev_mkdb.c @@ -0,0 +1,181 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#ifndef lint +static char copyright[] = +"@(#) Copyright (c) 1990, 1993\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#ifndef lint +static char sccsid[] = "@(#)dev_mkdb.c 8.1 (Berkeley) 6/6/93"; +#endif /* not lint */ + +#include +#include + +#include +#undef DIRBLKSIZ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +void err __P((const char *, ...)); +void usage __P((void)); + +int +main(argc, argv) + int argc; + char *argv[]; +{ + register DIR *dirp; + register struct dirent *dp; + struct stat sb; + struct { + mode_t type; + dev_t dev; + } bkey; + DB *db; + DBT data, key; + int ch; + u_char buf[MAXNAMLEN + 1]; + char dbtmp[MAXPATHLEN + 1], dbname[MAXPATHLEN + 1]; + + while ((ch = getopt(argc, argv, "")) != EOF) + switch((char)ch) { + case '?': + default: + usage(); + } + argc -= optind; + argv += optind; + + if (argc > 0) + usage(); + + if (chdir(_PATH_DEV)) + err("%s: %s", _PATH_DEV, strerror(errno)); + + dirp = opendir("."); + + (void)snprintf(dbtmp, sizeof(dbtmp), "%sdev.tmp", _PATH_VARRUN); + (void)snprintf(dbname, sizeof(dbtmp), "%sdev.db", _PATH_VARRUN); + db = dbopen(dbtmp, O_CREAT|O_EXLOCK|O_RDWR|O_TRUNC, + S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH, DB_HASH, NULL); + if (db == NULL) + err("%s: %s", dbtmp, strerror(errno)); + + /* + * 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)) { + (void)fprintf(stderr, + "dev_mkdb: %s: %s\n", dp->d_name, strerror(errno)); + 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("dbput %s: %s\n", dbtmp, strerror(errno)); + } + (void)(db->close)(db); + if (rename(dbtmp, dbname)) + err("rename %s to %s: %s", dbtmp, dbname, strerror(errno)); + exit(0); +} + +void +usage() +{ + (void)fprintf(stderr, "usage: dev_mkdb\n"); + exit(1); +} + +#if __STDC__ +#include +#else +#include +#endif + +void +#if __STDC__ +err(const char *fmt, ...) +#else +err(fmt, va_alist) + char *fmt; + va_dcl +#endif +{ + va_list ap; +#if __STDC__ + va_start(ap, fmt); +#else + va_start(ap); +#endif + (void)fprintf(stderr, "dev_mkdb: "); + (void)vfprintf(stderr, fmt, ap); + va_end(ap); + (void)fprintf(stderr, "\n"); + exit(1); + /* NOTREACHED */ +} -- cgit v1.1