1.\" $NetBSD: cap_mkdb.1,v 1.4 1995/03/26 03:59:36 glass Exp $ 2.\" 3.\" Copyright (c) 1992, 1993 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. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the University of 17.\" California, Berkeley and its contributors. 18.\" 4. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" @(#)cap_mkdb.1 8.1 (Berkeley) 6/6/93 35.\" 36.Dd "June 6, 1993" 37.Dt CAP_MKDB 1 38.Os 39.Sh NAME 40.Nm cap_mkdb 41.Nd create capability database 42.Pp 43.Sh SYNOPSIS 44.Nm cap_mkdb 45.Op Fl v 46.Op Fl f Ar outfile 47.Ar file1 48.Op Ar file2 ... 49.Pp 50.Sh DESCRIPTION 51.Nm Cap_mkdb 52builds a hashed database out of the 53.Xr getcap 3 54logical database constructed by the concatenation of the specified 55files . 56.Pp 57The database is named by the basename of the first file argument and 58the string 59.Dq .db . 60The 61.Xr getcap 3 62routines can access the database in this form much more quickly 63than they can the original text file(s). 64.Pp 65The ``tc'' capabilities of the records are expanded before the 66record is stored into the database. 67.Pp 68The options as as follows: 69.Bl -tag -width XXXXXX -indent 70.It Fl f Ar outfile 71Specify a different database basename. 72.It Fl v 73Print out the number of capability records in the database. 74.El 75.Pp 76.Sh FORMAT 77Each record is stored in the database using two different types of keys. 78.Pp 79The first type is a key which consists of the first capability of 80the record (not including the trailing colon (``:'')) with a data 81field consisting of a special byte followed by the rest of the record. 82The special byte is either a 0 or 1, where a 0 means that the record 83is okay, and a 1 means that there was a ``tc'' capability in the record 84that couldn't be expanded. 85.Pp 86The second type is a key which consists of one of the names from the 87first capability of the record with a data field consisting a special 88byte followed by the the first capability of the record. 89The special byte is a 2. 90.Pp 91In normal operation names are looked up in the database, resulting 92in a key/data pair of the second type. 93The data field of this key/data pair is used to look up a key/data 94pair of the first type which has the real data associated with the 95name. 96.Sh RETURN VALUE 97The 98.Nm cap_mkdb 99utility exits 0 on success and >0 if an error occurs. 100.Sh SEE ALSO 101.Xr dbopen 3 , 102.Xr getcap 3 , 103.Xr termcap 5 104