iwd/src/eap-tls-common.c

73 lines
1.7 KiB
C

/*
*
* Wireless daemon for Linux
*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <ell/ell.h>
#include "eap-tls-common.h"
struct databuf *databuf_new(size_t capacity)
{
struct databuf *databuf;
if (!capacity)
return NULL;
databuf = l_new(struct databuf, 1);
databuf->data = l_malloc(capacity);
databuf->capacity = capacity;
return databuf;
}
void databuf_append(struct databuf *databuf, const uint8_t *data,
size_t data_len)
{
size_t new_len;
if (!databuf)
return;
new_len = databuf->len + data_len;
if (new_len > databuf->capacity) {
databuf->capacity = new_len * 2;
databuf->data = l_realloc(databuf->data, databuf->capacity);
}
memcpy(databuf->data + databuf->len, data, data_len);
databuf->len = new_len;
}
void databuf_free(struct databuf *databuf)
{
if (!databuf)
return;
l_free(databuf->data);
l_free(databuf);
}