mbedtls/programs/util/strerror.c
2015-01-22 14:28:16 +00:00

91 lines
2.3 KiB
C

/*
* Translate error code to error string
*
* Copyright (C) 2006-2012, Brainspark B.V.
*
* This file is part of mbed TLS (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.
*/
#if !defined(POLARSSL_CONFIG_FILE)
#include "polarssl/config.h"
#else
#include POLARSSL_CONFIG_FILE
#endif
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "polarssl/error.h"
#define USAGE \
"\n usage: strerror <errorcode>\n" \
"\n where <errorcode> can be a decimal or hexadecimal (starts with 0x or -0x)\n"
#if !defined(POLARSSL_ERROR_C) && !defined(POLARSSL_ERROR_STRERROR_DUMMY)
int main( int argc, char *argv[] )
{
((void) argc);
((void) argv);
printf("POLARSSL_ERROR_C and/or POLARSSL_ERROR_STRERROR_DUMMY not defined.\n");
return( 0 );
}
#else
int main( int argc, char *argv[] )
{
long int val;
char *end = argv[1];
if( argc != 2 )
{
printf( USAGE );
return( 0 );
}
val = strtol( argv[1], &end, 10 );
if( *end != '\0' )
{
val = strtol( argv[1], &end, 16 );
if( *end != '\0' )
{
printf( USAGE );
return( 0 );
}
}
if( val > 0 )
val = -val;
if( val != 0 )
{
char error_buf[200];
polarssl_strerror( val, error_buf, 200 );
printf("Last error was: -0x%04x - %s\n\n", (int) -val, error_buf );
}
#if defined(_WIN32)
printf( " + Press Enter to exit this program.\n" );
fflush( stdout ); getchar();
#endif
return( val );
}
#endif /* POLARSSL_ERROR_C */