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/* comment.c - write comment stuff
* Copyright (C) 1998 Free Software Foundation, Inc.
*
* This file is part of GNUPG.
*
* GNUPG is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* GNUPG is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <assert.h>
#include "options.h"
#include "packet.h"
#include "errors.h"
#include "iobuf.h"
#include "memory.h"
#include "util.h"
#include "main.h"
#include "keydb.h"
int
write_comment( IOBUF out, const char *s )
{
PACKET pkt;
size_t n = strlen(s);
int rc=0;
pkt.pkttype = PKT_COMMENT;
pkt.pkt.comment = m_alloc( sizeof *pkt.pkt.comment + n - 1 );
pkt.pkt.comment->len = n;
strcpy(pkt.pkt.comment->data, s);
if( (rc = build_packet( out, &pkt )) )
log_error("build_packet(comment) failed: %s\n", g10_errstr(rc) );
free_packet( &pkt );
return rc;
}
KBNODE
make_comment_node( const char *s )
{
PACKET *pkt;
size_t n = strlen(s);
pkt = m_alloc_clear( sizeof *pkt );
pkt->pkttype = PKT_COMMENT;
pkt->pkt.comment = m_alloc( sizeof *pkt->pkt.comment + n - 1 );
pkt->pkt.comment->len = n;
strcpy(pkt->pkt.comment->data, s);
return new_kbnode( pkt );
}
KBNODE
make_mpi_comment_node( const char *s, MPI a )
{
PACKET *pkt;
byte *buf, *p, *pp;
unsigned n1, nb1;
size_t n = strlen(s);
nb1 = mpi_get_nbits( a );
p = buf = mpi_get_buffer( a, &n1, NULL );
for( ; !*p && n1; p++, n1-- ) /* skip leading null bytes */
;
pkt = m_alloc_clear( sizeof *pkt );
pkt->pkttype = PKT_COMMENT;
pkt->pkt.comment = m_alloc( sizeof *pkt->pkt.comment + n + 2 + n1 );
pkt->pkt.comment->len = n+1+2+n1;
pp = pkt->pkt.comment->data;
memcpy(pp, s, n+1);
pp[n+1] = nb1 >> 8;
pp[n+2] = nb1 ;
memcpy(pp+n+3, p, n1 );
m_free(buf);
return new_kbnode( pkt );
}
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