mirror of
https://github.com/Mbed-TLS/mbedtls.git
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74 lines
1.9 KiB
C
74 lines
1.9 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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#include "mbedtls/platform.h"
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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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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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val = strtol(argv[1], &end, 16);
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if (*end != '\0') {
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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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}
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if (val != 0) {
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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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