LCOV - code coverage report
Current view: top level - libtasn1-2.x/lib - errors.c (source / functions) Hit Total Coverage
Test: GNU Libtasn1 Lines: 9 14 64.3 %
Date: 2012-09-24 Functions: 2 4 50.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 6 6 100.0 %

           Branch data     Line data    Source code
       1                 :            : /*
       2                 :            :  * Copyright (C) 2002-2012 Free Software Foundation, Inc.
       3                 :            :  *
       4                 :            :  * This file is part of LIBTASN1.
       5                 :            :  *
       6                 :            :  * The LIBTASN1 library is free software; you can redistribute it
       7                 :            :  * and/or modify it under the terms of the GNU Lesser General Public
       8                 :            :  * License as published by the Free Software Foundation; either
       9                 :            :  * version 2.1 of the License, or (at your option) any later version.
      10                 :            :  *
      11                 :            :  * This library is distributed in the hope that it will be useful, but
      12                 :            :  * WITHOUT ANY WARRANTY; without even the implied warranty of
      13                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14                 :            :  * Lesser General Public License for more details.
      15                 :            :  *
      16                 :            :  * You should have received a copy of the GNU Lesser General Public
      17                 :            :  * License along with this library; if not, write to the Free Software
      18                 :            :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
      19                 :            :  * 02110-1301, USA
      20                 :            :  */
      21                 :            : 
      22                 :            : #include <int.h>
      23                 :            : #ifdef STDC_HEADERS
      24                 :            : #include <stdarg.h>
      25                 :            : #endif
      26                 :            : 
      27                 :            : #define LIBTASN1_ERROR_ENTRY(name) { #name, name }
      28                 :            : 
      29                 :            : struct libtasn1_error_entry
      30                 :            : {
      31                 :            :   const char *name;
      32                 :            :   int number;
      33                 :            : };
      34                 :            : typedef struct libtasn1_error_entry libtasn1_error_entry;
      35                 :            : 
      36                 :            : static const 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),
      55                 :            :   {0, 0}
      56                 :            : };
      57                 :            : 
      58                 :            : /**
      59                 :            :  * asn1_perror:
      60                 :            :  * @error: is an error returned by a libtasn1 function.
      61                 :            :  *
      62                 :            :  * Prints a string to stderr with a description of an error.  This
      63                 :            :  * function is like perror().  The only difference is that it accepts
      64                 :            :  * an error returned by a libtasn1 function.
      65                 :            :  *
      66                 :            :  * This function replaces libtasn1_perror() in older libtasn1.
      67                 :            :  *
      68                 :            :  * Since: 1.6
      69                 :            :  **/
      70                 :            : void
      71                 :         19 : asn1_perror (asn1_retCode error)
      72                 :            : {
      73                 :         19 :   const char *str = asn1_strerror (error);
      74         [ +  + ]:         19 :   fprintf (stderr, "LIBTASN1 ERROR: %s\n", str ? str : "(null)");
      75                 :         19 : }
      76                 :            : 
      77                 :            : /**
      78                 :            :  * asn1_strerror:
      79                 :            :  * @error: is an error returned by a libtasn1 function.
      80                 :            :  *
      81                 :            :  * Returns a string with a description of an error.  This function is
      82                 :            :  * similar to strerror.  The only difference is that it accepts an
      83                 :            :  * error (number) returned by a libtasn1 function.
      84                 :            :  *
      85                 :            :  * This function replaces libtasn1_strerror() in older libtasn1.
      86                 :            :  *
      87                 :            :  * Returns: Pointer to static zero-terminated string describing error
      88                 :            :  *   code.
      89                 :            :  *
      90                 :            :  * Since: 1.6
      91                 :            :  **/
      92                 :            : const char *
      93                 :         39 : asn1_strerror (asn1_retCode error)
      94                 :            : {
      95                 :            :   const libtasn1_error_entry *p;
      96                 :            : 
      97         [ +  + ]:        381 :   for (p = error_algorithms; p->name != NULL; p++)
      98         [ +  + ]:        379 :     if (p->number == error)
      99                 :         37 :       return p->name + sizeof ("ASN1_") - 1;
     100                 :            : 
     101                 :         39 :   return NULL;
     102                 :            : }
     103                 :            : 
     104                 :            : #ifndef ASN1_DISABLE_DEPRECATED
     105                 :            : 
     106                 :            : /* Compatibility mappings to preserve ABI. */
     107                 :            : 
     108                 :            : /**
     109                 :            :  * libtasn1_perror:
     110                 :            :  * @error: is an error returned by a libtasn1 function.
     111                 :            :  *
     112                 :            :  * Prints a string to stderr with a description of an error.  This
     113                 :            :  * function is like perror(). The only difference is that it accepts
     114                 :            :  * an error returned by a libtasn1 function.
     115                 :            :  *
     116                 :            :  * Deprecated: Use asn1_perror() instead.
     117                 :            :  **/
     118                 :            : void
     119                 :          0 : libtasn1_perror (asn1_retCode error)
     120                 :            : {
     121                 :          0 :   asn1_perror (error);
     122                 :          0 : }
     123                 :            : 
     124                 :            : /**
     125                 :            :  * libtasn1_strerror:
     126                 :            :  * @error: is an error returned by a libtasn1 function.
     127                 :            :  *
     128                 :            :  * Returns a string with a description of an error.  This function is
     129                 :            :  * similar to strerror.  The only difference is that it accepts an
     130                 :            :  * error (number) returned by a libtasn1 function.
     131                 :            :  *
     132                 :            :  * Returns: Pointer to static zero-terminated string describing error
     133                 :            :  *   code.
     134                 :            :  *
     135                 :            :  * Deprecated: Use asn1_strerror() instead.
     136                 :            :  **/
     137                 :            : const char *
     138                 :          0 : libtasn1_strerror (asn1_retCode error)
     139                 :            : {
     140                 :          0 :   return asn1_strerror (error);
     141                 :            : }
     142                 :            : 
     143                 :            : #endif

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