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/*
* Copyright (C) 2002-2012 Free Software Foundation, Inc.
*
* This file is part of LIBTASN1.
*
* The LIBTASN1 library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA
*/
#include <int.h>
#ifdef STDC_HEADERS
#include <stdarg.h>
#endif
#define LIBTASN1_ERROR_ENTRY(name) { #name, name }
struct libtasn1_error_entry {
const char *name;
int number;
};
typedef struct libtasn1_error_entry libtasn1_error_entry;
static const libtasn1_error_entry error_algorithms[] = {
LIBTASN1_ERROR_ENTRY(ASN1_SUCCESS),
LIBTASN1_ERROR_ENTRY(ASN1_FILE_NOT_FOUND),
LIBTASN1_ERROR_ENTRY(ASN1_ELEMENT_NOT_FOUND),
LIBTASN1_ERROR_ENTRY(ASN1_IDENTIFIER_NOT_FOUND),
LIBTASN1_ERROR_ENTRY(ASN1_DER_ERROR),
LIBTASN1_ERROR_ENTRY(ASN1_VALUE_NOT_FOUND),
LIBTASN1_ERROR_ENTRY(ASN1_GENERIC_ERROR),
LIBTASN1_ERROR_ENTRY(ASN1_VALUE_NOT_VALID),
LIBTASN1_ERROR_ENTRY(ASN1_TAG_ERROR),
LIBTASN1_ERROR_ENTRY(ASN1_TAG_IMPLICIT),
LIBTASN1_ERROR_ENTRY(ASN1_ERROR_TYPE_ANY),
LIBTASN1_ERROR_ENTRY(ASN1_SYNTAX_ERROR),
LIBTASN1_ERROR_ENTRY(ASN1_MEM_ERROR),
LIBTASN1_ERROR_ENTRY(ASN1_MEM_ALLOC_ERROR),
LIBTASN1_ERROR_ENTRY(ASN1_DER_OVERFLOW),
LIBTASN1_ERROR_ENTRY(ASN1_NAME_TOO_LONG),
LIBTASN1_ERROR_ENTRY(ASN1_ARRAY_ERROR),
LIBTASN1_ERROR_ENTRY(ASN1_ELEMENT_NOT_EMPTY),
{0, 0}
};
/**
* asn1_perror:
* @error: is an error returned by a libtasn1 function.
*
* Prints a string to stderr with a description of an error. This
* function is like perror(). The only difference is that it accepts
* an error returned by a libtasn1 function.
*
* This function replaces libtasn1_perror() in older libtasn1.
*
* Since: 1.6
**/
void asn1_perror(int error)
{
const char *str = asn1_strerror(error);
fprintf(stderr, "LIBTASN1 ERROR: %s\n", str ? str : "(null)");
}
/**
* asn1_strerror:
* @error: is an error returned by a libtasn1 function.
*
* Returns a string with a description of an error. This function is
* similar to strerror. The only difference is that it accepts an
* error (number) returned by a libtasn1 function.
*
* This function replaces libtasn1_strerror() in older libtasn1.
*
* Returns: Pointer to static zero-terminated string describing error
* code.
*
* Since: 1.6
**/
const char *asn1_strerror(int error)
{
const libtasn1_error_entry *p;
for (p = error_algorithms; p->name != NULL; p++)
if (p->number == error)
return p->name + sizeof("ASN1_") - 1;
return NULL;
}
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