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CAP_MKDB(1)               BSD General Commands Manual              CAP_MKDB(1)

NAME
     cap_mkdb -- create capability database

SYNOPSIS
     cap_mkdb [-v] [-f outfile] file1 [file2 ...]

DESCRIPTION
     Cap_mkdb builds a hashed database out of the getcap(3) logical database constructed by the concatena-tion concatenation
     tion of the specified files .

     The database is named by the basename of the first file argument and the string ``.db''.  The getcap(3)
     routines can access the database in this form much more quickly than they can the original text
     file(s).

     The ``tc'' capabilities of the records are expanded before the record is stored into the database.

     The options as as follows:

     -f outfile
             Specify a different database basename.

     -v      Print out the number of capability records in the database.

FORMAT
     Each record is stored in the database using two different types of keys.

     The first type is a key which consists of the first capability of the record (not including the trail-ing trailing
     ing colon (``:'')) with a data field consisting of a special byte followed by the rest of the record.
     The special byte is either a 0 or 1, where a 0 means that the record is okay, and a 1 means that there
     was a ``tc'' capability in the record that couldn't be expanded.

     The second type is a key which consists of one of the names from the first capability of the record
     with a data field consisting a special byte followed by the the first capability of the record.  The
     special byte is a 2.

     In normal operation names are looked up in the database, resulting in a key/data pair of the second
     type.  The data field of this key/data pair is used to look up a key/data pair of the first type which
     has the real data associated with the name.

RETURN VALUE
     The cap_mkdb utility exits 0 on success and >0 if an error occurs.

SEE ALSO
     dbopen(3), getcap(3), termcap(5)

BSD                            October 11, 2013                            BSD