1 /*
2 * Translate error code to error string
3 *
4 * Copyright The Mbed TLS Contributors
5 * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
6 */
7
8 #define MBEDTLS_DECLARE_PRIVATE_IDENTIFIERS
9
10 #include "mbedtls/build_info.h"
11
12 #include "mbedtls/platform.h"
13
14 #if defined(MBEDTLS_ERROR_C) || defined(MBEDTLS_ERROR_STRERROR_DUMMY)
15 #include "mbedtls/error.h"
16
17 #include <stdio.h>
18 #include <stdlib.h>
19 #include <string.h>
20 #endif
21
22 #define USAGE \
23 "\n usage: strerror <errorcode>\n" \
24 "\n where <errorcode> can be a decimal or hexadecimal (starts with 0x or -0x)\n"
25
26 #if !defined(MBEDTLS_ERROR_C) && !defined(MBEDTLS_ERROR_STRERROR_DUMMY)
main(void)27 int main(void)
28 {
29 mbedtls_printf("MBEDTLS_ERROR_C and/or MBEDTLS_ERROR_STRERROR_DUMMY not defined.\n");
30 mbedtls_exit(0);
31 }
32 #else
main(int argc,char * argv[])33 int main(int argc, char *argv[])
34 {
35 long int val;
36 char *end = argv[1];
37
38 if (argc != 2) {
39 mbedtls_printf(USAGE);
40 mbedtls_exit(0);
41 }
42
43 val = strtol(argv[1], &end, 10);
44 if (*end != '\0') {
45 val = strtol(argv[1], &end, 16);
46 if (*end != '\0') {
47 mbedtls_printf(USAGE);
48 return 0;
49 }
50 }
51 if (val > 0) {
52 val = -val;
53 }
54
55 if (val != 0) {
56 char error_buf[200];
57 mbedtls_strerror(val, error_buf, 200);
58 mbedtls_printf("Last error was: -0x%04x - %s\n\n", (unsigned int) -val, error_buf);
59 }
60
61 mbedtls_exit(val);
62 }
63 #endif /* MBEDTLS_ERROR_C */
64