1 /* Copyright (C) 2002 Fabio Fiorina
3 * This file is part of LIBASN1.
5 * The LIBTASN1 library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #define LIBTASN1_ERROR_ENTRY(name) \
30 struct libtasn1_error_entry {
34 typedef struct libtasn1_error_entry libtasn1_error_entry;
36 static libtasn1_error_entry error_algorithms[] = {
37 LIBTASN1_ERROR_ENTRY( ASN1_SUCCESS ),
38 LIBTASN1_ERROR_ENTRY( ASN1_FILE_NOT_FOUND ),
39 LIBTASN1_ERROR_ENTRY( ASN1_ELEMENT_NOT_FOUND ),
40 LIBTASN1_ERROR_ENTRY( ASN1_IDENTIFIER_NOT_FOUND ),
41 LIBTASN1_ERROR_ENTRY( ASN1_DER_ERROR ),
42 LIBTASN1_ERROR_ENTRY( ASN1_VALUE_NOT_FOUND ),
43 LIBTASN1_ERROR_ENTRY( ASN1_GENERIC_ERROR ),
44 LIBTASN1_ERROR_ENTRY( ASN1_VALUE_NOT_VALID ),
45 LIBTASN1_ERROR_ENTRY( ASN1_TAG_ERROR ),
46 LIBTASN1_ERROR_ENTRY( ASN1_TAG_IMPLICIT ),
47 LIBTASN1_ERROR_ENTRY( ASN1_ERROR_TYPE_ANY ),
48 LIBTASN1_ERROR_ENTRY( ASN1_SYNTAX_ERROR ),
49 LIBTASN1_ERROR_ENTRY( ASN1_MEM_ERROR ),
50 LIBTASN1_ERROR_ENTRY( ASN1_MEM_ALLOC_ERROR ),
51 LIBTASN1_ERROR_ENTRY( ASN1_DER_OVERFLOW ),
52 LIBTASN1_ERROR_ENTRY( ASN1_NAME_TOO_LONG ),
53 LIBTASN1_ERROR_ENTRY( ASN1_ARRAY_ERROR ),
54 LIBTASN1_ERROR_ENTRY( ASN1_ELEMENT_NOT_EMPTY ),
58 #define LIBTASN1_ERROR_LOOP(b) \
59 const libtasn1_error_entry *p; \
60 for(p = error_algorithms; p->name != NULL; p++) { b ; }
62 #define LIBTASN1_ERROR_ALG_LOOP(a) \
63 LIBTASN1_ERROR_LOOP( if(p->number == error) { a; break; } )
68 * libtasn1_perror - prints a string to stderr with a description of an error
69 * @error: is an error returned by a libasn1 function.
71 * This function is like perror(). The only difference is that it accepts an
72 * error returned by a libasn1 function.
74 void libtasn1_perror(asn1_retCode error)
76 const char *ret = NULL;
79 LIBTASN1_ERROR_ALG_LOOP(ret =
80 p->name + sizeof("ASN1_") - 1);
82 _libtasn1_log( "LIBTASN1 ERROR: %s\n", ret);
88 * libtasn1_strerror - Returns a string with a description of an error
89 * @error: is an error returned by a libtasn1 function.
91 * This function is similar to strerror(). The only difference is that it
92 * accepts an error (number) returned by a libasn1 function.
94 const char* libtasn1_strerror(asn1_retCode error)
96 const char *ret = NULL;
99 LIBTASN1_ERROR_ALG_LOOP(ret =
100 p->name + sizeof("ASN1_") - 1);
105 /* this function will output a message.
107 #ifdef LIBTASN1_DEBUG
108 void _libtasn1_log( const char *fmt, ...) {
110 char str[MAX_LOG_SIZE];
113 vsprintf( str,fmt,args); /* Flawfinder: ignore */
116 fprintf(stderr, str);
120 #else /* not DEBUG */
123 /* Without C99 macros these functions have to
124 * be called. This may affect performance.
126 void _libtasn1_null_log( void* x, ...) { return; }
127 # endif /* C99_MACROS */