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/*
* Copyright (C) 2001 Nikos Mavroyanopoulos
*
* This file is part of GNUTLS.
*
* GNUTLS 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.
*
* GNUTLS 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 <gnutls_int.h>
#include <gnutls_num.h>
#include <gnutls_datum.h>
#include <gnutls_errors.h>
/* contains functions that make it easier to
* write vectors of <size|data>. The destination size
* should be preallocated (datum.size+(bits/8))
*/
void WRITEdatum16( opaque* dest, gnutls_datum dat) {
WRITEuint16( dat.size, dest);
memcpy( &dest[2], dat.data, dat.size);
}
void WRITEdatum24( opaque* dest, gnutls_datum dat) {
WRITEuint24( dat.size, dest);
memcpy( &dest[3], dat.data, dat.size);
}
void WRITEdatum32( opaque* dest, gnutls_datum dat) {
WRITEuint32( dat.size, dest);
memcpy( &dest[4], dat.data, dat.size);
}
void WRITEdatum8( opaque* dest, gnutls_datum dat) {
dest[0] = (uint8) dat.size;
memcpy( &dest[1], dat.data, dat.size);
}
int gnutls_set_datum( gnutls_datum* dat, const void* data, int data_size) {
dat->data = gnutls_malloc(data_size);
if (dat->data==NULL) return GNUTLS_E_MEMORY_ERROR;
dat->size = data_size;
memcpy( dat->data, data, data_size);
return 0;
}
int gnutls_datum_append( gnutls_datum* dst, const void* data, int data_size) {
dst->data = gnutls_realloc(dst->data, data_size+dst->size);
if (dst->data==NULL) return GNUTLS_E_MEMORY_ERROR;
memcpy( &dst->data[dst->size], data, data_size);
dst->size += data_size;
return 0;
}
int gnutls_sset_datum( gnutls_datum* dat, const void* data, int data_size) {
dat->data = gnutls_secure_malloc(data_size);
if (dat->data==NULL) return GNUTLS_E_MEMORY_ERROR;
dat->size = data_size;
memcpy( dat->data, data, data_size);
return 0;
}
void gnutls_free_datum( gnutls_datum* dat) {
if (dat->data!=NULL && dat->size!=0)
gnutls_free( dat->data);
dat->data = NULL;
dat->size = 0;
}
void gnutls_sfree_datum( gnutls_datum* dat) {
if (dat->data!=NULL && dat->size!=0)
gnutls_secure_free( dat->data);
dat->data = NULL;
dat->size = 0;
}
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