/src/libesedb/libuna/libuna_codepage_windows_1257.c

Source (jump to first uncovered line)
/*
 * Windows 1257 codepage (Baltic) functions
 *
 * Copyright (C) 2008-2024, Joachim Metz <joachim.metz@gmail.com>
 *
 * Refer to AUTHORS for acknowledgements.
 *
 * This program 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 program 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 program.  If not, see <https://www.gnu.org/licenses/>.
 */

#include <common.h>
#include <types.h>

#include "libuna_codepage_windows_1257.h"
#include "libuna_libcerror.h"
#include "libuna_types.h"

/* Extended ASCII to Unicode character lookup table for the Windows 1257 codepage
 * Unknown are filled with the Unicode replacement character 0xfffd
 */
const uint16_t libuna_codepage_windows_1257_byte_stream_to_unicode_base_0x80[ 128 ] = {
  0x20ac, 0xfffd, 0x201a, 0xfffd, 0x201e, 0x2026, 0x2020, 0x2021,
  0xfffd, 0x2030, 0xfffd, 0x2039, 0xfffd, 0x00a8, 0x02c7, 0x00b8,
  0xfffd, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
  0xfffd, 0x2122, 0xfffd, 0x203a, 0xfffd, 0x00af, 0x02db, 0xfffd,
  0x00a0, 0xfffd, 0x00a2, 0x00a3, 0x00a4, 0xfffd, 0x00a6, 0x00a7,
  0x00d8, 0x00a9, 0x0156, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00c6,
  0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x00b4, 0x00b5, 0x00b6, 0x00b7,
  0x00f8, 0x00b9, 0x0157, 0x00bb, 0x00bc, 0x00bd, 0x00be, 0x00e6,
  0x0104, 0x012e, 0x0100, 0x0106, 0x00c4, 0x00c5, 0x0118, 0x0112,
  0x010c, 0x00c9, 0x0179, 0x0116, 0x0122, 0x0136, 0x012a, 0x013b,
  0x0160, 0x0143, 0x0145, 0x00d3, 0x014c, 0x00d5, 0x00d6, 0x00d7,
  0x0172, 0x0141, 0x015a, 0x016a, 0x00dc, 0x017b, 0x017d, 0x00df,
  0x0105, 0x012f, 0x0101, 0x0107, 0x00e4, 0x00e5, 0x0119, 0x0113,
  0x010d, 0x00e9, 0x017a, 0x0117, 0x0123, 0x0137, 0x012b, 0x013c,
  0x0161, 0x0144, 0x0146, 0x00f3, 0x014d, 0x00f5, 0x00f6, 0x00f7,
  0x0173, 0x0142, 0x015b, 0x016b, 0x00fc, 0x017c, 0x017e, 0x02d9
};

/* Unicode to ASCII character lookup tables for the Windows 1257 codepage
 * Unknown are filled with the ASCII replacement character 0x1a
 */
const uint8_t libuna_codepage_windows_1257_unicode_to_byte_stream_base_0x00a0[ 224 ] = {
  0xa0, 0x1a, 0xa2, 0xa3, 0xa4, 0x1a, 0xa6, 0xa7,
  0x8d, 0xa9, 0x1a, 0xab, 0xac, 0xad, 0xae, 0x9d,
  0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
  0x8f, 0xb9, 0x1a, 0xbb, 0xbc, 0xbd, 0xbe, 0x1a,
  0x1a, 0x1a, 0x1a, 0x1a, 0xc4, 0xc5, 0xaf, 0x1a,
  0x1a, 0xc9, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0x1a, 0x1a, 0xd3, 0x1a, 0xd5, 0xd6, 0xd7,
  0xa8, 0x1a, 0x1a, 0x1a, 0xdc, 0x1a, 0x1a, 0xdf,
  0x1a, 0x1a, 0x1a, 0x1a, 0xe4, 0xe5, 0xbf, 0x1a,
  0x1a, 0xe9, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0x1a, 0x1a, 0xf3, 0x1a, 0xf5, 0xf6, 0xf7,
  0xb8, 0x1a, 0x1a, 0x1a, 0xfc, 0x1a, 0x1a, 0x1a,
  0xc2, 0xe2, 0x1a, 0x1a, 0xc0, 0xe0, 0xc3, 0xe3,
  0x1a, 0x1a, 0x1a, 0x1a, 0xc8, 0xe8, 0x1a, 0x1a,
  0x1a, 0x1a, 0xc7, 0xe7, 0x1a, 0x1a, 0xcb, 0xeb,
  0xc6, 0xe6, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0x1a, 0xcc, 0xec, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0x1a, 0xce, 0xee, 0x1a, 0x1a, 0xc1, 0xe1,
  0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0xcd, 0xed,
  0x1a, 0x1a, 0x1a, 0xcf, 0xef, 0x1a, 0x1a, 0x1a,
  0x1a, 0xd9, 0xf9, 0xd1, 0xf1, 0xd2, 0xf2, 0x1a,
  0x1a, 0x1a, 0x1a, 0x1a, 0xd4, 0xf4, 0x1a, 0x1a,
  0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0xaa, 0xba,
  0x1a, 0x1a, 0xda, 0xfa, 0x1a, 0x1a, 0x1a, 0x1a,
  0xd0, 0xf0, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0x1a, 0xdb, 0xfb, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0x1a, 0xd8, 0xf8, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0xca, 0xea, 0xdd, 0xfd, 0xde, 0xfe, 0x1a
};

const uint8_t libuna_codepage_windows_1257_unicode_to_byte_stream_base_0x2010[ 24 ] = {
  0x1a, 0x1a, 0x1a, 0x96, 0x97, 0x1a, 0x1a, 0x1a,
  0x91, 0x92, 0x82, 0x1a, 0x93, 0x94, 0x84, 0x1a,
  0x86, 0x87, 0x95, 0x1a, 0x1a, 0x1a, 0x85, 0x1a
};

/* Copies an Unicode character from a Windows 1257 encoded byte stream
 * Returns 1 if successful or -1 on error
 */
int libuna_codepage_windows_1257_copy_from_byte_stream(
     libuna_unicode_character_t *unicode_character,
     const uint8_t *byte_stream,
     size_t byte_stream_size,
     size_t *byte_stream_index,
     libcerror_error_t **error )
{
  static char *function                             = "libuna_codepage_windows_1257_copy_from_byte_stream";
  libuna_unicode_character_t safe_unicode_character = 0xfffd;
  size_t safe_byte_stream_index                     = 0;
  uint8_t byte_stream_character                     = 0;

  if( unicode_character == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid Unicode character.",
     function );

    return( -1 );
  }
  if( byte_stream == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid byte stream.",
     function );

    return( -1 );
  }
  if( byte_stream_size > (size_t) SSIZE_MAX )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
     "%s: invalid byte stream size value exceeds maximum.",
     function );

    return( -1 );
  }
  if( byte_stream_index == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid byte stream index.",
     function );

    return( -1 );
  }
  safe_byte_stream_index = *byte_stream_index;

  if( safe_byte_stream_index >= byte_stream_size )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
     "%s: byte stream too small.",
     function );

    return( -1 );
  }
  byte_stream_character = byte_stream[ safe_byte_stream_index++ ];

  if( byte_stream_character < 0x80 )
  {
    safe_unicode_character = byte_stream_character;
  }
  else
  {
    byte_stream_character -= 0x80;

    safe_unicode_character = libuna_codepage_windows_1257_byte_stream_to_unicode_base_0x80[ byte_stream_character ];
  }
  *unicode_character = safe_unicode_character;
  *byte_stream_index = safe_byte_stream_index;

  return( 1 );
}

/* Copies an Unicode character to a Windows 1257 encoded byte stream
 * Returns 1 if successful or -1 on error
 */
int libuna_codepage_windows_1257_copy_to_byte_stream(
     libuna_unicode_character_t unicode_character,
     uint8_t *byte_stream,
     size_t byte_stream_size,
     size_t *byte_stream_index,
     libcerror_error_t **error )
{
  static char *function         = "libuna_codepage_windows_1257_copy_to_byte_stream";
  size_t safe_byte_stream_index = 0;
  uint16_t byte_stream_value    = 0x001a;

  if( byte_stream == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid byte stream.",
     function );

    return( -1 );
  }
  if( byte_stream_size > (size_t) SSIZE_MAX )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
     "%s: invalid byte stream size value exceeds maximum.",
     function );

    return( -1 );
  }
  if( byte_stream_index == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid byte stream index.",
     function );

    return( -1 );
  }
  safe_byte_stream_index = *byte_stream_index;

  if( safe_byte_stream_index >= byte_stream_size )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
     "%s: byte stream too small.",
     function );

    return( -1 );
  }
  if( unicode_character < 0x0080 )
  {
    byte_stream_value = (uint16_t) unicode_character;
  }
  else if( ( unicode_character >= 0x00a0 )
        && ( unicode_character < 0x0180 ) )
  {
    unicode_character -= 0x00a0;

    byte_stream_value = libuna_codepage_windows_1257_unicode_to_byte_stream_base_0x00a0[ unicode_character ];
  }
  else if( ( unicode_character >= 0x2010 )
        && ( unicode_character < 0x2028 ) )
  {
    unicode_character -= 0x2010;

    byte_stream_value = libuna_codepage_windows_1257_unicode_to_byte_stream_base_0x2010[ unicode_character ];
  }
  else switch( unicode_character )
  {
    case 0x02c7:
      byte_stream_value = 0x8e;
      break;

    case 0x02d9:
      byte_stream_value = 0xff;
      break;

    case 0x02db:
      byte_stream_value = 0x9e;
      break;

    case 0x2030:
      byte_stream_value = 0x89;
      break;

    case 0x2039:
      byte_stream_value = 0x8b;
      break;

    case 0x203a:
      byte_stream_value = 0x9b;
      break;

    case 0x20ac:
      byte_stream_value = 0x80;
      break;

    case 0x2122:
      byte_stream_value = 0x99;
      break;

    default:
      byte_stream_value = 0x1a;
      break;
  }
  byte_stream[ safe_byte_stream_index++ ] = (uint8_t) ( byte_stream_value & 0x00ff );

  *byte_stream_index = safe_byte_stream_index;

  return( 1 );
}


Coverage Report

Created: 2024-02-25 07:20

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Windows 1257 codepage (Baltic) functions
3		*
4		* Copyright (C) 2008-2024, Joachim Metz <joachim.metz@gmail.com>
5		*
6		* Refer to AUTHORS for acknowledgements.
7		*
8		* This program is free software: you can redistribute it and/or modify
9		* it under the terms of the GNU Lesser General Public License as published by
10		* the Free Software Foundation, either version 3 of the License, or
11		* (at your option) any later version.
12		*
13		* This program is distributed in the hope that it will be useful,
14		* but WITHOUT ANY WARRANTY; without even the implied warranty of
15		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16		* GNU General Public License for more details.
17		*
18		* You should have received a copy of the GNU Lesser General Public License
19		* along with this program. If not, see <https://www.gnu.org/licenses/>.
20		*/
21
22		#include <common.h>
23		#include <types.h>
24
25		#include "libuna_codepage_windows_1257.h"
26		#include "libuna_libcerror.h"
27		#include "libuna_types.h"
28
29		/* Extended ASCII to Unicode character lookup table for the Windows 1257 codepage
30		* Unknown are filled with the Unicode replacement character 0xfffd
31		*/
32		const uint16_t libuna_codepage_windows_1257_byte_stream_to_unicode_base_0x80[ 128 ] = {
33		0x20ac, 0xfffd, 0x201a, 0xfffd, 0x201e, 0x2026, 0x2020, 0x2021,
34		0xfffd, 0x2030, 0xfffd, 0x2039, 0xfffd, 0x00a8, 0x02c7, 0x00b8,
35		0xfffd, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
36		0xfffd, 0x2122, 0xfffd, 0x203a, 0xfffd, 0x00af, 0x02db, 0xfffd,
37		0x00a0, 0xfffd, 0x00a2, 0x00a3, 0x00a4, 0xfffd, 0x00a6, 0x00a7,
38		0x00d8, 0x00a9, 0x0156, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00c6,
39		0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x00b4, 0x00b5, 0x00b6, 0x00b7,
40		0x00f8, 0x00b9, 0x0157, 0x00bb, 0x00bc, 0x00bd, 0x00be, 0x00e6,
41		0x0104, 0x012e, 0x0100, 0x0106, 0x00c4, 0x00c5, 0x0118, 0x0112,
42		0x010c, 0x00c9, 0x0179, 0x0116, 0x0122, 0x0136, 0x012a, 0x013b,
43		0x0160, 0x0143, 0x0145, 0x00d3, 0x014c, 0x00d5, 0x00d6, 0x00d7,
44		0x0172, 0x0141, 0x015a, 0x016a, 0x00dc, 0x017b, 0x017d, 0x00df,
45		0x0105, 0x012f, 0x0101, 0x0107, 0x00e4, 0x00e5, 0x0119, 0x0113,
46		0x010d, 0x00e9, 0x017a, 0x0117, 0x0123, 0x0137, 0x012b, 0x013c,
47		0x0161, 0x0144, 0x0146, 0x00f3, 0x014d, 0x00f5, 0x00f6, 0x00f7,
48		0x0173, 0x0142, 0x015b, 0x016b, 0x00fc, 0x017c, 0x017e, 0x02d9
49		};
50
51		/* Unicode to ASCII character lookup tables for the Windows 1257 codepage
52		* Unknown are filled with the ASCII replacement character 0x1a
53		*/
54		const uint8_t libuna_codepage_windows_1257_unicode_to_byte_stream_base_0x00a0[ 224 ] = {
55		0xa0, 0x1a, 0xa2, 0xa3, 0xa4, 0x1a, 0xa6, 0xa7,
56		0x8d, 0xa9, 0x1a, 0xab, 0xac, 0xad, 0xae, 0x9d,
57		0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
58		0x8f, 0xb9, 0x1a, 0xbb, 0xbc, 0xbd, 0xbe, 0x1a,
59		0x1a, 0x1a, 0x1a, 0x1a, 0xc4, 0xc5, 0xaf, 0x1a,
60		0x1a, 0xc9, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
61		0x1a, 0x1a, 0x1a, 0xd3, 0x1a, 0xd5, 0xd6, 0xd7,
62		0xa8, 0x1a, 0x1a, 0x1a, 0xdc, 0x1a, 0x1a, 0xdf,
63		0x1a, 0x1a, 0x1a, 0x1a, 0xe4, 0xe5, 0xbf, 0x1a,
64		0x1a, 0xe9, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
65		0x1a, 0x1a, 0x1a, 0xf3, 0x1a, 0xf5, 0xf6, 0xf7,
66		0xb8, 0x1a, 0x1a, 0x1a, 0xfc, 0x1a, 0x1a, 0x1a,
67		0xc2, 0xe2, 0x1a, 0x1a, 0xc0, 0xe0, 0xc3, 0xe3,
68		0x1a, 0x1a, 0x1a, 0x1a, 0xc8, 0xe8, 0x1a, 0x1a,
69		0x1a, 0x1a, 0xc7, 0xe7, 0x1a, 0x1a, 0xcb, 0xeb,
70		0xc6, 0xe6, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
71		0x1a, 0x1a, 0xcc, 0xec, 0x1a, 0x1a, 0x1a, 0x1a,
72		0x1a, 0x1a, 0xce, 0xee, 0x1a, 0x1a, 0xc1, 0xe1,
73		0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0xcd, 0xed,
74		0x1a, 0x1a, 0x1a, 0xcf, 0xef, 0x1a, 0x1a, 0x1a,
75		0x1a, 0xd9, 0xf9, 0xd1, 0xf1, 0xd2, 0xf2, 0x1a,
76		0x1a, 0x1a, 0x1a, 0x1a, 0xd4, 0xf4, 0x1a, 0x1a,
77		0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0xaa, 0xba,
78		0x1a, 0x1a, 0xda, 0xfa, 0x1a, 0x1a, 0x1a, 0x1a,
79		0xd0, 0xf0, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
80		0x1a, 0x1a, 0xdb, 0xfb, 0x1a, 0x1a, 0x1a, 0x1a,
81		0x1a, 0x1a, 0xd8, 0xf8, 0x1a, 0x1a, 0x1a, 0x1a,
82		0x1a, 0xca, 0xea, 0xdd, 0xfd, 0xde, 0xfe, 0x1a
83		};
84
85		const uint8_t libuna_codepage_windows_1257_unicode_to_byte_stream_base_0x2010[ 24 ] = {
86		0x1a, 0x1a, 0x1a, 0x96, 0x97, 0x1a, 0x1a, 0x1a,
87		0x91, 0x92, 0x82, 0x1a, 0x93, 0x94, 0x84, 0x1a,
88		0x86, 0x87, 0x95, 0x1a, 0x1a, 0x1a, 0x85, 0x1a
89		};
90
91		/* Copies an Unicode character from a Windows 1257 encoded byte stream
92		* Returns 1 if successful or -1 on error
93		*/
94		int libuna_codepage_windows_1257_copy_from_byte_stream(
95		libuna_unicode_character_t *unicode_character,
96		const uint8_t *byte_stream,
97		size_t byte_stream_size,
98		size_t *byte_stream_index,
99		libcerror_error_t **error )
100	0	{
101	0	static char *function = "libuna_codepage_windows_1257_copy_from_byte_stream";
102	0	libuna_unicode_character_t safe_unicode_character = 0xfffd;
103	0	size_t safe_byte_stream_index = 0;
104	0	uint8_t byte_stream_character = 0;
105
106	0	if( unicode_character == NULL )
107	0	{
108	0	libcerror_error_set(
109	0	error,
110	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
111	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
112	0	"%s: invalid Unicode character.",
113	0	function );
114
115	0	return( -1 );
116	0	}
117	0	if( byte_stream == NULL )
118	0	{
119	0	libcerror_error_set(
120	0	error,
121	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
122	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
123	0	"%s: invalid byte stream.",
124	0	function );
125
126	0	return( -1 );
127	0	}
128	0	if( byte_stream_size > (size_t) SSIZE_MAX )
129	0	{
130	0	libcerror_error_set(
131	0	error,
132	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
133	0	LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
134	0	"%s: invalid byte stream size value exceeds maximum.",
135	0	function );
136
137	0	return( -1 );
138	0	}
139	0	if( byte_stream_index == NULL )
140	0	{
141	0	libcerror_error_set(
142	0	error,
143	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
144	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
145	0	"%s: invalid byte stream index.",
146	0	function );
147
148	0	return( -1 );
149	0	}
150	0	safe_byte_stream_index = *byte_stream_index;
151
152	0	if( safe_byte_stream_index >= byte_stream_size )
153	0	{
154	0	libcerror_error_set(
155	0	error,
156	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
157	0	LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
158	0	"%s: byte stream too small.",
159	0	function );
160
161	0	return( -1 );
162	0	}
163	0	byte_stream_character = byte_stream[ safe_byte_stream_index++ ];
164
165	0	if( byte_stream_character < 0x80 )
166	0	{
167	0	safe_unicode_character = byte_stream_character;
168	0	}
169	0	else
170	0	{
171	0	byte_stream_character -= 0x80;
172
173	0	safe_unicode_character = libuna_codepage_windows_1257_byte_stream_to_unicode_base_0x80[ byte_stream_character ];
174	0	}
175	0	*unicode_character = safe_unicode_character;
176	0	*byte_stream_index = safe_byte_stream_index;
177
178	0	return( 1 );
179	0	}
180
181		/* Copies an Unicode character to a Windows 1257 encoded byte stream
182		* Returns 1 if successful or -1 on error
183		*/
184		int libuna_codepage_windows_1257_copy_to_byte_stream(
185		libuna_unicode_character_t unicode_character,
186		uint8_t *byte_stream,
187		size_t byte_stream_size,
188		size_t *byte_stream_index,
189		libcerror_error_t **error )
190	0	{
191	0	static char *function = "libuna_codepage_windows_1257_copy_to_byte_stream";
192	0	size_t safe_byte_stream_index = 0;
193	0	uint16_t byte_stream_value = 0x001a;
194
195	0	if( byte_stream == NULL )
196	0	{
197	0	libcerror_error_set(
198	0	error,
199	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
200	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
201	0	"%s: invalid byte stream.",
202	0	function );
203
204	0	return( -1 );
205	0	}
206	0	if( byte_stream_size > (size_t) SSIZE_MAX )
207	0	{
208	0	libcerror_error_set(
209	0	error,
210	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
211	0	LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
212	0	"%s: invalid byte stream size value exceeds maximum.",
213	0	function );
214
215	0	return( -1 );
216	0	}
217	0	if( byte_stream_index == NULL )
218	0	{
219	0	libcerror_error_set(
220	0	error,
221	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
222	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
223	0	"%s: invalid byte stream index.",
224	0	function );
225
226	0	return( -1 );
227	0	}
228	0	safe_byte_stream_index = *byte_stream_index;
229
230	0	if( safe_byte_stream_index >= byte_stream_size )
231	0	{
232	0	libcerror_error_set(
233	0	error,
234	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
235	0	LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
236	0	"%s: byte stream too small.",
237	0	function );
238
239	0	return( -1 );
240	0	}
241	0	if( unicode_character < 0x0080 )
242	0	{
243	0	byte_stream_value = (uint16_t) unicode_character;
244	0	}
245	0	else if( ( unicode_character >= 0x00a0 )
246	0	&& ( unicode_character < 0x0180 ) )
247	0	{
248	0	unicode_character -= 0x00a0;
249
250	0	byte_stream_value = libuna_codepage_windows_1257_unicode_to_byte_stream_base_0x00a0[ unicode_character ];
251	0	}
252	0	else if( ( unicode_character >= 0x2010 )
253	0	&& ( unicode_character < 0x2028 ) )
254	0	{
255	0	unicode_character -= 0x2010;
256
257	0	byte_stream_value = libuna_codepage_windows_1257_unicode_to_byte_stream_base_0x2010[ unicode_character ];
258	0	}
259	0	else switch( unicode_character )
260	0	{
261	0	case 0x02c7:
262	0	byte_stream_value = 0x8e;
263	0	break;
264
265	0	case 0x02d9:
266	0	byte_stream_value = 0xff;
267	0	break;
268
269	0	case 0x02db:
270	0	byte_stream_value = 0x9e;
271	0	break;
272
273	0	case 0x2030:
274	0	byte_stream_value = 0x89;
275	0	break;
276
277	0	case 0x2039:
278	0	byte_stream_value = 0x8b;
279	0	break;
280
281	0	case 0x203a:
282	0	byte_stream_value = 0x9b;
283	0	break;
284
285	0	case 0x20ac:
286	0	byte_stream_value = 0x80;
287	0	break;
288
289	0	case 0x2122:
290	0	byte_stream_value = 0x99;
291	0	break;
292
293	0	default:
294	0	byte_stream_value = 0x1a;
295	0	break;
296	0	}
297	0	byte_stream[ safe_byte_stream_index++ ] = (uint8_t) ( byte_stream_value & 0x00ff );
298
299	0	*byte_stream_index = safe_byte_stream_index;
300
301	0	return( 1 );
302	0	}
303