mirror of
https://github.com/Mbed-TLS/mbedtls.git
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84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
/*
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* Translate error code to error string
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*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "mbedtls/build_info.h"
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#if defined(MBEDTLS_PLATFORM_C)
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#include "mbedtls/platform.h"
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#else
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#include <stdio.h>
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#include <stdlib.h>
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#define mbedtls_printf printf
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#define mbedtls_exit exit
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#endif
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#if defined(MBEDTLS_ERROR_C) || defined(MBEDTLS_ERROR_STRERROR_DUMMY)
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#include "mbedtls/error.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#endif
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#define USAGE \
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"\n usage: strerror <errorcode>\n" \
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"\n where <errorcode> can be a decimal or hexadecimal (starts with 0x or -0x)\n"
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#if !defined(MBEDTLS_ERROR_C) && !defined(MBEDTLS_ERROR_STRERROR_DUMMY)
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int main( void )
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{
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mbedtls_printf("MBEDTLS_ERROR_C and/or MBEDTLS_ERROR_STRERROR_DUMMY not defined.\n");
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mbedtls_exit( 0 );
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}
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#else
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int main( int argc, char *argv[] )
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{
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long int val;
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char *end = argv[1];
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if( argc != 2 )
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{
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mbedtls_printf( USAGE );
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mbedtls_exit( 0 );
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}
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val = strtol( argv[1], &end, 10 );
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if( *end != '\0' )
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{
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val = strtol( argv[1], &end, 16 );
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if( *end != '\0' )
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{
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mbedtls_printf( USAGE );
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return( 0 );
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}
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}
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if( val > 0 )
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val = -val;
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if( val != 0 )
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{
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char error_buf[200];
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mbedtls_strerror( val, error_buf, 200 );
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mbedtls_printf("Last error was: -0x%04x - %s\n\n", (unsigned int) -val, error_buf );
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}
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mbedtls_exit( val );
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}
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#endif /* MBEDTLS_ERROR_C */
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