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libyal-libexe/exetools/exeinput.c
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Joachim Metz cdca3b2a86 Changes of version: 20111018
2016-03-28 06:56:37 +02:00

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8.8 KiB
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/*
* Common input functions for the exetools
*
* Copyright (c) 2011, Joachim Metz <jbmetz@users.sourceforge.net>
*
* 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 <types.h>
#include <libcstring.h>
#include <liberror.h>
#include "exeinput.h"
#include "exetools_libexe.h"
/* Determines the codepage from a string
* Returns 1 if successful, 0 if unsupported value or -1 on error
*/
int exeinput_determine_ascii_codepage(
const libcstring_system_character_t *string,
int *ascii_codepage,
liberror_error_t **error )
{
static char *function = "exeinput_determine_ascii_codepage";
size_t string_length = 0;
int result = 0;
if( string == NULL )
{
liberror_error_set(
error,
LIBERROR_ERROR_DOMAIN_ARGUMENTS,
LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid string.",
function );
return( -1 );
}
if( ascii_codepage == NULL )
{
liberror_error_set(
error,
LIBERROR_ERROR_DOMAIN_ARGUMENTS,
LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid ASCII codepage.",
function );
return( -1 );
}
string_length = libcstring_system_string_length(
string );
if( string_length == 5 )
{
if( libcstring_system_string_compare(
string,
_LIBCSTRING_SYSTEM_STRING( "ascii" ),
5 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_ASCII;
result = 1;
}
}
#if defined( HAVE_ISO_CODEPAGES )
if( ( string_length == 10 )
|| ( string_length == 11 ) )
{
if( libcstring_system_string_compare(
string,
_LIBCSTRING_SYSTEM_STRING( "iso" ),
3 ) == 0 )
{
if( ( string[ 3 ] != '-' )
&& ( string[ 3 ] != '_' ) )
{
}
else if( libcstring_system_string_compare(
&( string[ 4 ] ),
_LIBCSTRING_SYSTEM_STRING( "8859" ),
4 ) == 0 )
{
if( ( string[ 8 ] != '-' )
&& ( string[ 8 ] != '_' ) )
{
}
else if( string_length == 10 )
{
if( libcstring_system_string_compare(
&( string[ 9 ] ),
_LIBCSTRING_SYSTEM_STRING( "1" ),
1 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_ISO_8859_1;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 9 ] ),
_LIBCSTRING_SYSTEM_STRING( "2" ),
1 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_ISO_8859_2;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 9 ] ),
_LIBCSTRING_SYSTEM_STRING( "3" ),
1 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_ISO_8859_3;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 9 ] ),
_LIBCSTRING_SYSTEM_STRING( "4" ),
1 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_ISO_8859_4;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 9 ] ),
_LIBCSTRING_SYSTEM_STRING( "5" ),
1 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_ISO_8859_5;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 9 ] ),
_LIBCSTRING_SYSTEM_STRING( "6" ),
1 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_ISO_8859_6;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 9 ] ),
_LIBCSTRING_SYSTEM_STRING( "7" ),
1 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_ISO_8859_7;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 9 ] ),
_LIBCSTRING_SYSTEM_STRING( "8" ),
1 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_ISO_8859_8;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 9 ] ),
_LIBCSTRING_SYSTEM_STRING( "9" ),
1 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_ISO_8859_9;
result = 1;
}
}
else if( string_length == 11 )
{
if( libcstring_system_string_compare(
&( string[ 9 ] ),
_LIBCSTRING_SYSTEM_STRING( "10" ),
2 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_ISO_8859_10;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 9 ] ),
_LIBCSTRING_SYSTEM_STRING( "11" ),
2 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_ISO_8859_11;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 9 ] ),
_LIBCSTRING_SYSTEM_STRING( "13" ),
2 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_ISO_8859_13;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 9 ] ),
_LIBCSTRING_SYSTEM_STRING( "14" ),
2 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_ISO_8859_14;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 9 ] ),
_LIBCSTRING_SYSTEM_STRING( "15" ),
2 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_ISO_8859_15;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 9 ] ),
_LIBCSTRING_SYSTEM_STRING( "16" ),
2 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_ISO_8859_16;
result = 1;
}
}
}
}
}
#endif
if( ( string_length == 11 )
|| ( string_length == 12 ) )
{
if( libcstring_system_string_compare(
string,
_LIBCSTRING_SYSTEM_STRING( "windows" ),
7 ) == 0 )
{
if( ( string[ 7 ] != '-' )
&& ( string[ 7 ] != '_' ) )
{
}
else if( string_length == 11 )
{
if( libcstring_system_string_compare(
&( string[ 8 ] ),
_LIBCSTRING_SYSTEM_STRING( "874" ),
3 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_WINDOWS_874;
result = 1;
}
}
else if( string_length == 12 )
{
if( libcstring_system_string_compare(
&( string[ 8 ] ),
_LIBCSTRING_SYSTEM_STRING( "1250" ),
4 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_WINDOWS_1250;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 8 ] ),
_LIBCSTRING_SYSTEM_STRING( "1251" ),
4 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_WINDOWS_1251;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 8 ] ),
_LIBCSTRING_SYSTEM_STRING( "1252" ),
4 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_WINDOWS_1252;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 8 ] ),
_LIBCSTRING_SYSTEM_STRING( "1253" ),
4 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_WINDOWS_1253;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 8 ] ),
_LIBCSTRING_SYSTEM_STRING( "1253" ),
4 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_WINDOWS_1253;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 8 ] ),
_LIBCSTRING_SYSTEM_STRING( "1254" ),
4 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_WINDOWS_1254;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 8 ] ),
_LIBCSTRING_SYSTEM_STRING( "1255" ),
4 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_WINDOWS_1255;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 8 ] ),
_LIBCSTRING_SYSTEM_STRING( "1256" ),
4 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_WINDOWS_1256;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 8 ] ),
_LIBCSTRING_SYSTEM_STRING( "1257" ),
4 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_WINDOWS_1257;
result = 1;
}
else if( libcstring_system_string_compare(
&( string[ 8 ] ),
_LIBCSTRING_SYSTEM_STRING( "1258" ),
4 ) == 0 )
{
*ascii_codepage = LIBEXE_CODEPAGE_WINDOWS_1258;
result = 1;
}
}
}
}
return( result );
}
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