1 /*
2 * Translate error code to error string
3 *
4 * Copyright The Mbed TLS Contributors
5 * SPDX-License-Identifier: Apache-2.0
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
8 * not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 */
19
20 #if !defined(MBEDTLS_CONFIG_FILE)
21 #include "mbedtls/config.h"
22 #else
23 #include MBEDTLS_CONFIG_FILE
24 #endif
25
26 #if defined(MBEDTLS_PLATFORM_C)
27 #include "mbedtls/platform.h"
28 #else
29 #include <stdio.h>
30 #include <stdlib.h>
31 #define mbedtls_printf printf
32 #define mbedtls_exit exit
33 #endif
34
35 #if defined(MBEDTLS_ERROR_C) || defined(MBEDTLS_ERROR_STRERROR_DUMMY)
36 #include "mbedtls/error.h"
37
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #endif
42
43 #define USAGE \
44 "\n usage: strerror <errorcode>\n" \
45 "\n where <errorcode> can be a decimal or hexadecimal (starts with 0x or -0x)\n"
46
47 #if !defined(MBEDTLS_ERROR_C) && !defined(MBEDTLS_ERROR_STRERROR_DUMMY)
main(void)48 int main( void )
49 {
50 mbedtls_printf("MBEDTLS_ERROR_C and/or MBEDTLS_ERROR_STRERROR_DUMMY not defined.\n");
51 mbedtls_exit( 0 );
52 }
53 #else
main(int argc,char * argv[])54 int main( int argc, char *argv[] )
55 {
56 long int val;
57 char *end = argv[1];
58
59 if( argc != 2 )
60 {
61 mbedtls_printf( USAGE );
62 mbedtls_exit( 0 );
63 }
64
65 val = strtol( argv[1], &end, 10 );
66 if( *end != '\0' )
67 {
68 val = strtol( argv[1], &end, 16 );
69 if( *end != '\0' )
70 {
71 mbedtls_printf( USAGE );
72 return( 0 );
73 }
74 }
75 if( val > 0 )
76 val = -val;
77
78 if( val != 0 )
79 {
80 char error_buf[200];
81 mbedtls_strerror( val, error_buf, 200 );
82 mbedtls_printf("Last error was: -0x%04x - %s\n\n", (unsigned int) -val, error_buf );
83 }
84
85 #if defined(_WIN32)
86 mbedtls_printf( " + Press Enter to exit this program.\n" );
87 fflush( stdout ); getchar();
88 #endif
89
90 mbedtls_exit( val );
91 }
92 #endif /* MBEDTLS_ERROR_C */
93
