blob: 48229844ff3e67b8220661ea4685cd21c481f149 [file] [log] [blame]
/*
* Copyright (C) 2002-2014 Free Software Foundation, Inc.
*
* This file is part of LIBTASN1.
*
* The LIBTASN1 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 Street, Fifth Floor, Boston, MA
* 02110-1301, USA
*/
#ifndef GSTR_H
# define GSTR_H
unsigned int _asn1_str_cpy (char *dest, size_t dest_tot_size,
const char *src);
void _asn1_str_cat (char *dest, size_t dest_tot_size, const char *src);
#define Estrcpy(x,y) _asn1_str_cpy(x,ASN1_MAX_ERROR_DESCRIPTION_SIZE,y)
#define Estrcat(x,y) _asn1_str_cat(x,ASN1_MAX_ERROR_DESCRIPTION_SIZE,y)
inline static
void safe_memset(void *data, int c, size_t size)
{
volatile unsigned volatile_zero = 0;
volatile char *vdata = (volatile char*)data;
/* This is based on a nice trick for safe memset,
* sent by David Jacobson in the openssl-dev mailing list.
*/
if (size > 0) do {
memset(data, c, size);
} while(vdata[volatile_zero] != c);
}
#endif /* GSTR_H */