110 lines
2.5 KiB
Plaintext
110 lines
2.5 KiB
Plaintext
/*
|
|
* Error message information
|
|
*
|
|
* Copyright (C) 2006-2012, Brainspark B.V.
|
|
*
|
|
* This file is part of PolarSSL (http://www.polarssl.org)
|
|
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
|
|
*
|
|
* All rights reserved.
|
|
*
|
|
* This program 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.
|
|
*
|
|
* This program 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.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include "polarssl/config.h"
|
|
|
|
#if defined(POLARSSL_ERROR_C)
|
|
|
|
#include "polarssl/error.h"
|
|
|
|
HEADER_INCLUDED
|
|
|
|
#include <string.h>
|
|
|
|
#if defined _MSC_VER && !defined snprintf
|
|
#define snprintf _snprintf
|
|
#endif
|
|
|
|
void error_strerror( int ret, char *buf, size_t buflen )
|
|
{
|
|
size_t len;
|
|
int use_ret;
|
|
|
|
memset( buf, 0x00, buflen );
|
|
|
|
if( ret < 0 )
|
|
ret = -ret;
|
|
|
|
if( ret & 0xFF80 )
|
|
{
|
|
use_ret = ret & 0xFF80;
|
|
|
|
// High level error codes
|
|
//
|
|
HIGH_LEVEL_CODE_CHECKS
|
|
if( strlen( buf ) == 0 )
|
|
snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret );
|
|
}
|
|
|
|
use_ret = ret & ~0xFF80;
|
|
|
|
if( use_ret == 0 )
|
|
return;
|
|
|
|
// If high level code is present, make a concatenation between both
|
|
// error strings.
|
|
//
|
|
len = strlen( buf );
|
|
|
|
if( len > 0 )
|
|
{
|
|
if( buflen - len < 5 )
|
|
return;
|
|
|
|
snprintf( buf + len, buflen - len, " : " );
|
|
|
|
buf += len + 3;
|
|
buflen -= len + 3;
|
|
}
|
|
|
|
// Low level error codes
|
|
//
|
|
LOW_LEVEL_CODE_CHECKS
|
|
if( strlen( buf ) != 0 )
|
|
return;
|
|
|
|
snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret );
|
|
}
|
|
|
|
#else /* POLARSSL_ERROR_C */
|
|
|
|
#if defined(POLARSSL_ERROR_STRERROR_DUMMY)
|
|
|
|
#include <string.h>
|
|
|
|
/*
|
|
* Provide an non-function in case POLARSSL_ERROR_C is not defined
|
|
*/
|
|
void error_strerror( int ret, char *buf, size_t buflen )
|
|
{
|
|
((void) ret);
|
|
|
|
if( buflen > 0 )
|
|
buf[0] = '\0';
|
|
}
|
|
|
|
#endif /* POLARSSL_ERROR_STRERROR_DUMMY */
|
|
#endif /* POLARSSL_ERROR_C */
|