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