cap_mkdb man page on FreeBSD

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

     cap_mkdb — create capability database

     cap_mkdb [-b | -l] [-v] [-f outfile] file ...

     The cap_mkdb utility builds a hashed database out of the getcap(3) logi‐
     cal database constructed by the concatenation 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 following options are available:

     -b	     Use big-endian byte order for database metadata.

     -f outfile
	     Specify a different database basename.

     -l	     Use little-endian byte order for database metadata.

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

     The -b and -l flags are mutually exclusive.  The default byte ordering is
     the current host order.

     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 trailing colon (``:'')) with a data field con‐
     sisting of a special byte followed by the rest of the record.  The spe‐
     cial 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 could
     not 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 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.

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

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

BSD			       February 22, 2005			   BSD

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