add libkeccak_state_copy.3 and libkeccak_state_duplicate.3

Signed-off-by: Mattias Andrée <maandree@operamail.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/doc/man/libkeccak_state_duplicate.3 b/doc/man/libkeccak_state_duplicate.3
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+++ b/doc/man/libkeccak_state_duplicate.3
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+.TH LIBKECCAK_STATE_DUPLICATE 3 LIBKECCAK-%VERSION%
+.SH NAME
+libkeccak_state_duplicate - Allocate a duplicate hash state
+.SH SYNOPSIS
+.LP
+.nf
+#include <libkeccak.h>
+.P
+libkeccak_state_t *libkeccak_state_duplicate(const libkeccak_state_t *\fIsrc\fP);
+.fi
+.P
+Link with \fI-lkeccak\fP.
+.SH DESCRIPTION
+The
+.BR libkeccak_state_duplicate ()
+allocates a new hash state and initialises it to be identical
+to \fI*src\fP. This includes all members of the \fBlibkeccak_state_t\fP
+structure, including the state of the sponge and the message
+chunk buffer.
+.SH RETURN VALUES
+The
+.BR libkeccak_state_duplicate ()
+function return a newly allocated \fIlibkeccak_state_t*\fP
+(of one initialised element) upon successful completion.
+On error, \fINULL\fP is returned and \fIerrno\fP is set to
+describe the error.
+.SH ERRORS
+The
+.BR libkeccak_state_duplicate ()
+function may fail for any specified for the function
+.BR malloc (3).
+.SH SEE ALSO
+.BR libkeccak_state_copy (3),
+.BR libkeccak_state_create (3)
+.SH AUTHORS
+Principal author, Mattias Andrée.  See the LICENSE file for the full
+list of authors.
+.SH BUGS
+Please report bugs to https://github.com/maandree/libkeccak/issues or to
+maandree@member.fsf.org