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/*
* Error functions
*
* Copyright (c) 2008-2014, Joachim Metz <joachim.metz@gmail.com>
*
* Refer to AUTHORS for acknowledgements.
*
* This software 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 3 of the License, or
* (at your option) any later version.
*
* This software 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 General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this software. If not, see <http://www.gnu.org/licenses/>.
*/
#include <common.h>
#include <memory.h>
#include <types.h>
#if defined( HAVE_STDARG_H ) || defined( WINAPI )
#include <stdarg.h>
#elif defined( HAVE_VARARGS_H )
#include <varargs.h>
#else
#error Missing headers stdarg.h and varargs.h
#endif
#include "pyewf_error.h"
#include "pyewf_libcerror.h"
#include "pyewf_libcstring.h"
#include "pyewf_python.h"
#if defined( HAVE_STDARG_H ) || defined( WINAPI )
#define VARARGS( function, error, exception_object, type, argument ) \
function( error, exception_object, type argument, ... )
#define VASTART( argument_list, type, name ) \
va_start( argument_list, name )
#define VAEND( argument_list ) \
va_end( argument_list )
#elif defined( HAVE_VARARGS_H )
#define VARARGS( function, error, exception_object, type, argument ) \
function( error, exception_object, va_alist ) va_dcl
#define VASTART( argument_list, type, name ) \
{ type name; va_start( argument_list ); name = va_arg( argument_list, type )
#define VAEND( argument_list ) \
va_end( argument_list ); }
#endif
/* Raises an error
*/
void VARARGS(
pyewf_error_raise,
libcerror_error_t *error,
PyObject *exception_object,
const char *,
format_string )
{
va_list argument_list;
char error_string[ PYEWF_ERROR_STRING_SIZE ];
char exception_string[ PYEWF_ERROR_STRING_SIZE ];
static char *function = "pyewf_error_raise";
size_t error_string_index = 0;
int print_count = 0;
if( format_string == NULL )
{
PyErr_Format(
PyExc_ValueError,
"%s: missing format string.",
function );
return;
}
VASTART(
argument_list,
const char *,
format_string );
print_count = PyOS_vsnprintf(
exception_string,
PYEWF_ERROR_STRING_SIZE,
format_string,
argument_list );
VAEND(
argument_list );
if( print_count < 0 )
{
PyErr_Format(
PyExc_ValueError,
"%s: unable to format exception string.",
function );
return;
}
if( error != NULL )
{
if( libcerror_error_backtrace_sprint(
error,
error_string,
PYEWF_ERROR_STRING_SIZE ) != -1 )
{
while( error_string_index < PYEWF_ERROR_STRING_SIZE )
{
if( error_string[ error_string_index ] == 0 )
{
break;
}
if( error_string[ error_string_index ] == '\n' )
{
error_string[ error_string_index ] = ' ';
}
error_string_index++;
}
if( error_string_index >= PYEWF_ERROR_STRING_SIZE )
{
error_string[ PYEWF_ERROR_STRING_SIZE - 1 ] = 0;
}
PyErr_Format(
exception_object,
"%s %s",
exception_string,
error_string );
return;
}
}
PyErr_Format(
exception_object,
"%s",
exception_string );
return;
}
#undef VARARGS
#undef VASTART
#undef VAEND
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