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-.\" Copyright (c) 2003 - 2005, 2007 Kungliga Tekniska Högskolan
-.\" (Royal Institute of Technology, Stockholm, Sweden).
-.\" All rights reserved.
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-.\"    notice, this list of conditions and the following disclaimer.
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-.\" 2. Redistributions in binary form must reproduce the above copyright
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-.\"
-.\" 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE OR CONTRIBUTORS BE LIABLE
-.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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-.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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-.\" SUCH DAMAGE.
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-.\" $Id$
-.\"
-.Dd Jan 23, 2007
-.Dt KRB5_DATA 3
-.Os HEIMDAL
-.Sh NAME
-.Nm krb5_data ,
-.Nm krb5_data_zero ,
-.Nm krb5_data_free ,
-.Nm krb5_free_data_contents ,
-.Nm krb5_free_data ,
-.Nm krb5_data_alloc ,
-.Nm krb5_data_realloc ,
-.Nm krb5_data_copy ,
-.Nm krb5_copy_data ,
-.Nm krb5_data_cmp
-.Nd operates on the Kerberos datatype krb5_data
-.Sh LIBRARY
-Kerberos 5 Library (libkrb5, -lkrb5)
-.Sh SYNOPSIS
-.In krb5.h
-.Pp
-.Li "struct krb5_data;"
-.Ft void
-.Fn krb5_data_zero "krb5_data *p"
-.Ft void
-.Fn krb5_data_free "krb5_data *p"
-.Ft void
-.Fn krb5_free_data_contents "krb5_context context" "krb5_data *p"
-.Ft void
-.Fn krb5_free_data "krb5_context context" "krb5_data *p"
-.Ft krb5_error_code
-.Fn krb5_data_alloc "krb5_data *p" "int len"
-.Ft krb5_error_code
-.Fn krb5_data_realloc "krb5_data *p" "int len"
-.Ft krb5_error_code
-.Fn krb5_data_copy "krb5_data *p" "const void *data" "size_t len"
-.Ft krb5_error_code
-.Fn krb5_copy_data "krb5_context context" "const krb5_data *indata" "krb5_data **outdata"
-.Ft krb5_error_code
-.Fn krb5_data_cmp "const krb5_data *data1" "const krb5_data *data2"
-.Sh DESCRIPTION
-The
-.Li krb5_data
-structure holds a data element.
-The structure contains two public accessible elements
-.Fa length
-(the length of data)
-and
-.Fa data
-(the data itself).
-The structure must always be initiated and freed by the functions
-documented in this manual.
-.Pp
-.Fn krb5_data_zero
-resets the content of
-.Fa p .
-.Pp
-.Fn krb5_data_free
-free the data in
-.Fa p
-and reset the content of the structure with
-.Fn krb5_data_zero .
-.Pp
-.Fn krb5_free_data_contents
-works the same way as
-.Fa krb5_data_free .
-The diffrence is that krb5_free_data_contents is more portable (exists
-in MIT api).
-.Pp
-.Fn krb5_free_data
-frees the data in
-.Fa p
-and
-.Fa p
-itself.
-.Pp
-.Fn krb5_data_alloc
-allocates
-.Fa len
-bytes in
-.Fa p .
-Returns 0 or an error.
-.Pp
-.Fn  krb5_data_realloc
-reallocates the length of
-.Fa p
-to the length in
-.Fa len .
-Returns 0 or an error.
-.Pp
-.Fn krb5_data_copy
-copies the
-.Fa data
-that have the length
-.Fa len
-into
-.Fa p .
-.Fa p
-is not freed so the calling function should make sure the
-.Fa p
-doesn't contain anything needs to be freed.
-Returns 0 or an error.
-.Pp
-.Fn krb5_copy_data
-copies the
-.Li krb5_data
-in
-.Fa indata
-to
-.Fa outdata .
-.Fa outdata
-is not freed so the calling function should make sure the
-.Fa outdata
-doesn't contain anything needs to be freed.
-.Fa outdata
-should be freed using
-.Fn krb5_free_data .
-Returns 0 or an error.
-.Pp
-.Fn krb5_data_cmp
-will compare two data object and check if they are the same in a
-simular way as memcmp does it.  The return value can be used for
-sorting.
-.Sh SEE ALSO
-.Xr krb5 3 ,
-.Xr krb5_storage 3 ,
-.Xr kerberos 8