/src/libfusn/libuna/libuna_codepage_windows_1256.c

Source (jump to first uncovered line)
/*
 * Windows 1256 codepage (Arabic) 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_1256.h"
#include "libuna_libcerror.h"
#include "libuna_types.h"

/* Extended ASCII to Unicode character lookup table for the Windows 1256 codepage
 * Unknown are filled with the Unicode replacement character 0xfffd
 */
const uint16_t libuna_codepage_windows_1256_byte_stream_to_unicode_base_0x80[ 128 ] = {
  0x20ac, 0x067e, 0x201a, 0x0192, 0x201e, 0x2026, 0x2020, 0x2021,
  0x02c6, 0x2030, 0x0679, 0x2039, 0x0152, 0x0686, 0x0698, 0x0688,
  0x06af, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
  0x06a9, 0x2122, 0x0691, 0x203a, 0x0153, 0x200c, 0x200d, 0x06ba,
  0x00a0, 0x060c, 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6, 0x00a7,
  0x00a8, 0x00a9, 0x06be, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af,
  0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x00b4, 0x00b5, 0x00b6, 0x00b7,
  0x00b8, 0x00b9, 0x061b, 0x00bb, 0x00bc, 0x00bd, 0x00be, 0x061f,
  0x06c1, 0x0621, 0x0622, 0x0623, 0x0624, 0x0625, 0x0626, 0x0627,
  0x0628, 0x0629, 0x062a, 0x062b, 0x062c, 0x062d, 0x062e, 0x062f,
  0x0630, 0x0631, 0x0632, 0x0633, 0x0634, 0x0635, 0x0636, 0x00d7,
  0x0637, 0x0638, 0x0639, 0x063a, 0x0640, 0x0641, 0x0642, 0x0643,
  0x00e0, 0x0644, 0x00e2, 0x0645, 0x0646, 0x0647, 0x0648, 0x00e7,
  0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x0649, 0x064a, 0x00ee, 0x00ef,
  0x064b, 0x064c, 0x064d, 0x064e, 0x00f4, 0x064f, 0x0650, 0x00f7,
  0x0651, 0x00f9, 0x0652, 0x00fb, 0x00fc, 0x200e, 0x200f, 0x06d2
};

/* Unicode to ASCII character lookup tables for the Windows 1256 codepage
 * Unknown are filled with the ASCII replacement character 0x1a
 */
const uint8_t libuna_codepage_windows_1256_unicode_to_byte_stream_base_0x00a0[ 32 ] = {
  0xa0, 0x1a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
  0xa8, 0xa9, 0x1a, 0xab, 0xac, 0xad, 0xae, 0xaf,
  0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
  0xb8, 0xb9, 0x1a, 0xbb, 0xbc, 0xbd, 0xbe, 0x1a
};

const uint8_t libuna_codepage_windows_1256_unicode_to_byte_stream_base_0x00e0[ 32 ] = {
  0xe0, 0x1a, 0xe2, 0x1a, 0x1a, 0x1a, 0x1a, 0xe7,
  0xe8, 0xe9, 0xea, 0xeb, 0x1a, 0x1a, 0xee, 0xef,
  0x1a, 0x1a, 0x1a, 0x1a, 0xf4, 0x1a, 0x1a, 0xf7,
  0x1a, 0xf9, 0x1a, 0xfb, 0xfc, 0x1a, 0x1a, 0x1a
};

const uint8_t libuna_codepage_windows_1256_unicode_to_byte_stream_base_0x0618[ 64 ] = {
  0x1a, 0x1a, 0x1a, 0xba, 0x1a, 0x1a, 0x1a, 0xbf,
  0x1a, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
  0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
  0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd8,
  0xd9, 0xda, 0xdb, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0xdc, 0xdd, 0xde, 0xdf, 0xe1, 0xe3, 0xe4, 0xe5,
  0xe6, 0xec, 0xed, 0xf0, 0xf1, 0xf2, 0xf3, 0xf5,
  0xf6, 0xf8, 0xfa, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a
};

const uint8_t libuna_codepage_windows_1256_unicode_to_byte_stream_base_0x2008[ 32 ] = {
  0x1a, 0x1a, 0x1a, 0x1a, 0x9d, 0x9e, 0xfd, 0xfe,
  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 1256 encoded byte stream
 * Returns 1 if successful or -1 on error
 */
int libuna_codepage_windows_1256_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_1256_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_1256_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 1256 encoded byte stream
 * Returns 1 if successful or -1 on error
 */
int libuna_codepage_windows_1256_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_1256_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 < 0x00c0 ) )
  {
    unicode_character -= 0x00a0;

    byte_stream_value = libuna_codepage_windows_1256_unicode_to_byte_stream_base_0x00a0[ unicode_character ];
  }
  else if( ( unicode_character >= 0x00e0 )
        && ( unicode_character < 0x0100 ) )
  {
    unicode_character -= 0x00e0;

    byte_stream_value = libuna_codepage_windows_1256_unicode_to_byte_stream_base_0x00e0[ unicode_character ];
  }
  else if( ( unicode_character >= 0x0618 )
        && ( unicode_character < 0x0658 ) )
  {
    unicode_character -= 0x0618;

    byte_stream_value = libuna_codepage_windows_1256_unicode_to_byte_stream_base_0x0618[ unicode_character ];
  }
  else if( ( unicode_character >= 0x2008 )
        && ( unicode_character < 0x2028 ) )
  {
    unicode_character -= 0x2008;

    byte_stream_value = libuna_codepage_windows_1256_unicode_to_byte_stream_base_0x2008[ unicode_character ];
  }
  else switch( unicode_character )
  {
    case 0x00d7:
      byte_stream_value = 0xd7;
      break;

    case 0x0152:
      byte_stream_value = 0x8c;
      break;

    case 0x0153:
      byte_stream_value = 0x9c;
      break;

    case 0x0192:
      byte_stream_value = 0x83;
      break;

    case 0x02c6:
      byte_stream_value = 0x88;
      break;

    case 0x060c:
      byte_stream_value = 0xa1;
      break;

    case 0x0679:
      byte_stream_value = 0x8a;
      break;

    case 0x067e:
      byte_stream_value = 0x81;
      break;

    case 0x0686:
      byte_stream_value = 0x8d;
      break;

    case 0x0688:
      byte_stream_value = 0x8f;
      break;

    case 0x0691:
      byte_stream_value = 0x9a;
      break;

    case 0x0698:
      byte_stream_value = 0x8e;
      break;

    case 0x06a9:
      byte_stream_value = 0x98;
      break;

    case 0x06af:
      byte_stream_value = 0x90;
      break;

    case 0x06ba:
      byte_stream_value = 0x9f;
      break;

    case 0x06be:
      byte_stream_value = 0xaa;
      break;

    case 0x06c1:
      byte_stream_value = 0xc0;
      break;

    case 0x06d2:
      byte_stream_value = 0xff;
      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: 2025-06-13 07:22

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Windows 1256 codepage (Arabic) 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_1256.h"
26		#include "libuna_libcerror.h"
27		#include "libuna_types.h"
28
29		/* Extended ASCII to Unicode character lookup table for the Windows 1256 codepage
30		* Unknown are filled with the Unicode replacement character 0xfffd
31		*/
32		const uint16_t libuna_codepage_windows_1256_byte_stream_to_unicode_base_0x80[ 128 ] = {
33		0x20ac, 0x067e, 0x201a, 0x0192, 0x201e, 0x2026, 0x2020, 0x2021,
34		0x02c6, 0x2030, 0x0679, 0x2039, 0x0152, 0x0686, 0x0698, 0x0688,
35		0x06af, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
36		0x06a9, 0x2122, 0x0691, 0x203a, 0x0153, 0x200c, 0x200d, 0x06ba,
37		0x00a0, 0x060c, 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6, 0x00a7,
38		0x00a8, 0x00a9, 0x06be, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af,
39		0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x00b4, 0x00b5, 0x00b6, 0x00b7,
40		0x00b8, 0x00b9, 0x061b, 0x00bb, 0x00bc, 0x00bd, 0x00be, 0x061f,
41		0x06c1, 0x0621, 0x0622, 0x0623, 0x0624, 0x0625, 0x0626, 0x0627,
42		0x0628, 0x0629, 0x062a, 0x062b, 0x062c, 0x062d, 0x062e, 0x062f,
43		0x0630, 0x0631, 0x0632, 0x0633, 0x0634, 0x0635, 0x0636, 0x00d7,
44		0x0637, 0x0638, 0x0639, 0x063a, 0x0640, 0x0641, 0x0642, 0x0643,
45		0x00e0, 0x0644, 0x00e2, 0x0645, 0x0646, 0x0647, 0x0648, 0x00e7,
46		0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x0649, 0x064a, 0x00ee, 0x00ef,
47		0x064b, 0x064c, 0x064d, 0x064e, 0x00f4, 0x064f, 0x0650, 0x00f7,
48		0x0651, 0x00f9, 0x0652, 0x00fb, 0x00fc, 0x200e, 0x200f, 0x06d2
49		};
50
51		/* Unicode to ASCII character lookup tables for the Windows 1256 codepage
52		* Unknown are filled with the ASCII replacement character 0x1a
53		*/
54		const uint8_t libuna_codepage_windows_1256_unicode_to_byte_stream_base_0x00a0[ 32 ] = {
55		0xa0, 0x1a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
56		0xa8, 0xa9, 0x1a, 0xab, 0xac, 0xad, 0xae, 0xaf,
57		0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
58		0xb8, 0xb9, 0x1a, 0xbb, 0xbc, 0xbd, 0xbe, 0x1a
59		};
60
61		const uint8_t libuna_codepage_windows_1256_unicode_to_byte_stream_base_0x00e0[ 32 ] = {
62		0xe0, 0x1a, 0xe2, 0x1a, 0x1a, 0x1a, 0x1a, 0xe7,
63		0xe8, 0xe9, 0xea, 0xeb, 0x1a, 0x1a, 0xee, 0xef,
64		0x1a, 0x1a, 0x1a, 0x1a, 0xf4, 0x1a, 0x1a, 0xf7,
65		0x1a, 0xf9, 0x1a, 0xfb, 0xfc, 0x1a, 0x1a, 0x1a
66		};
67
68		const uint8_t libuna_codepage_windows_1256_unicode_to_byte_stream_base_0x0618[ 64 ] = {
69		0x1a, 0x1a, 0x1a, 0xba, 0x1a, 0x1a, 0x1a, 0xbf,
70		0x1a, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
71		0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
72		0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd8,
73		0xd9, 0xda, 0xdb, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
74		0xdc, 0xdd, 0xde, 0xdf, 0xe1, 0xe3, 0xe4, 0xe5,
75		0xe6, 0xec, 0xed, 0xf0, 0xf1, 0xf2, 0xf3, 0xf5,
76		0xf6, 0xf8, 0xfa, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a
77		};
78
79		const uint8_t libuna_codepage_windows_1256_unicode_to_byte_stream_base_0x2008[ 32 ] = {
80		0x1a, 0x1a, 0x1a, 0x1a, 0x9d, 0x9e, 0xfd, 0xfe,
81		0x1a, 0x1a, 0x1a, 0x96, 0x97, 0x1a, 0x1a, 0x1a,
82		0x91, 0x92, 0x82, 0x1a, 0x93, 0x94, 0x84, 0x1a,
83		0x86, 0x87, 0x95, 0x1a, 0x1a, 0x1a, 0x85, 0x1a
84		};
85
86		/* Copies an Unicode character from a Windows 1256 encoded byte stream
87		* Returns 1 if successful or -1 on error
88		*/
89		int libuna_codepage_windows_1256_copy_from_byte_stream(
90		libuna_unicode_character_t *unicode_character,
91		const uint8_t *byte_stream,
92		size_t byte_stream_size,
93		size_t *byte_stream_index,
94		libcerror_error_t **error )
95	0	{
96	0	static char *function = "libuna_codepage_windows_1256_copy_from_byte_stream";
97	0	libuna_unicode_character_t safe_unicode_character = 0xfffd;
98	0	size_t safe_byte_stream_index = 0;
99	0	uint8_t byte_stream_character = 0;
100
101	0	if( unicode_character == NULL )
102	0	{
103	0	libcerror_error_set(
104	0	error,
105	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
106	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
107	0	"%s: invalid Unicode character.",
108	0	function );
109
110	0	return( -1 );
111	0	}
112	0	if( byte_stream == NULL )
113	0	{
114	0	libcerror_error_set(
115	0	error,
116	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
117	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
118	0	"%s: invalid byte stream.",
119	0	function );
120
121	0	return( -1 );
122	0	}
123	0	if( byte_stream_size > (size_t) SSIZE_MAX )
124	0	{
125	0	libcerror_error_set(
126	0	error,
127	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
128	0	LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
129	0	"%s: invalid byte stream size value exceeds maximum.",
130	0	function );
131
132	0	return( -1 );
133	0	}
134	0	if( byte_stream_index == NULL )
135	0	{
136	0	libcerror_error_set(
137	0	error,
138	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
139	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
140	0	"%s: invalid byte stream index.",
141	0	function );
142
143	0	return( -1 );
144	0	}
145	0	safe_byte_stream_index = *byte_stream_index;
146
147	0	if( safe_byte_stream_index >= byte_stream_size )
148	0	{
149	0	libcerror_error_set(
150	0	error,
151	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
152	0	LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
153	0	"%s: byte stream too small.",
154	0	function );
155
156	0	return( -1 );
157	0	}
158	0	byte_stream_character = byte_stream[ safe_byte_stream_index++ ];
159
160	0	if( byte_stream_character < 0x80 )
161	0	{
162	0	safe_unicode_character = byte_stream_character;
163	0	}
164	0	else
165	0	{
166	0	byte_stream_character -= 0x80;
167
168	0	safe_unicode_character = libuna_codepage_windows_1256_byte_stream_to_unicode_base_0x80[ byte_stream_character ];
169	0	}
170	0	*unicode_character = safe_unicode_character;
171	0	*byte_stream_index = safe_byte_stream_index;
172
173	0	return( 1 );
174	0	}
175
176		/* Copies an Unicode character to a Windows 1256 encoded byte stream
177		* Returns 1 if successful or -1 on error
178		*/
179		int libuna_codepage_windows_1256_copy_to_byte_stream(
180		libuna_unicode_character_t unicode_character,
181		uint8_t *byte_stream,
182		size_t byte_stream_size,
183		size_t *byte_stream_index,
184		libcerror_error_t **error )
185	0	{
186	0	static char *function = "libuna_codepage_windows_1256_copy_to_byte_stream";
187	0	size_t safe_byte_stream_index = 0;
188	0	uint16_t byte_stream_value = 0x001a;
189
190	0	if( byte_stream == NULL )
191	0	{
192	0	libcerror_error_set(
193	0	error,
194	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
195	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
196	0	"%s: invalid byte stream.",
197	0	function );
198
199	0	return( -1 );
200	0	}
201	0	if( byte_stream_size > (size_t) SSIZE_MAX )
202	0	{
203	0	libcerror_error_set(
204	0	error,
205	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
206	0	LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
207	0	"%s: invalid byte stream size value exceeds maximum.",
208	0	function );
209
210	0	return( -1 );
211	0	}
212	0	if( byte_stream_index == NULL )
213	0	{
214	0	libcerror_error_set(
215	0	error,
216	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
217	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
218	0	"%s: invalid byte stream index.",
219	0	function );
220
221	0	return( -1 );
222	0	}
223	0	safe_byte_stream_index = *byte_stream_index;
224
225	0	if( safe_byte_stream_index >= byte_stream_size )
226	0	{
227	0	libcerror_error_set(
228	0	error,
229	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
230	0	LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
231	0	"%s: byte stream too small.",
232	0	function );
233
234	0	return( -1 );
235	0	}
236	0	if( unicode_character < 0x0080 )
237	0	{
238	0	byte_stream_value = (uint16_t) unicode_character;
239	0	}
240	0	else if( ( unicode_character >= 0x00a0 )
241	0	&& ( unicode_character < 0x00c0 ) )
242	0	{
243	0	unicode_character -= 0x00a0;
244
245	0	byte_stream_value = libuna_codepage_windows_1256_unicode_to_byte_stream_base_0x00a0[ unicode_character ];
246	0	}
247	0	else if( ( unicode_character >= 0x00e0 )
248	0	&& ( unicode_character < 0x0100 ) )
249	0	{
250	0	unicode_character -= 0x00e0;
251
252	0	byte_stream_value = libuna_codepage_windows_1256_unicode_to_byte_stream_base_0x00e0[ unicode_character ];
253	0	}
254	0	else if( ( unicode_character >= 0x0618 )
255	0	&& ( unicode_character < 0x0658 ) )
256	0	{
257	0	unicode_character -= 0x0618;
258
259	0	byte_stream_value = libuna_codepage_windows_1256_unicode_to_byte_stream_base_0x0618[ unicode_character ];
260	0	}
261	0	else if( ( unicode_character >= 0x2008 )
262	0	&& ( unicode_character < 0x2028 ) )
263	0	{
264	0	unicode_character -= 0x2008;
265
266	0	byte_stream_value = libuna_codepage_windows_1256_unicode_to_byte_stream_base_0x2008[ unicode_character ];
267	0	}
268	0	else switch( unicode_character )
269	0	{
270	0	case 0x00d7:
271	0	byte_stream_value = 0xd7;
272	0	break;
273
274	0	case 0x0152:
275	0	byte_stream_value = 0x8c;
276	0	break;
277
278	0	case 0x0153:
279	0	byte_stream_value = 0x9c;
280	0	break;
281
282	0	case 0x0192:
283	0	byte_stream_value = 0x83;
284	0	break;
285
286	0	case 0x02c6:
287	0	byte_stream_value = 0x88;
288	0	break;
289
290	0	case 0x060c:
291	0	byte_stream_value = 0xa1;
292	0	break;
293
294	0	case 0x0679:
295	0	byte_stream_value = 0x8a;
296	0	break;
297
298	0	case 0x067e:
299	0	byte_stream_value = 0x81;
300	0	break;
301
302	0	case 0x0686:
303	0	byte_stream_value = 0x8d;
304	0	break;
305
306	0	case 0x0688:
307	0	byte_stream_value = 0x8f;
308	0	break;
309
310	0	case 0x0691:
311	0	byte_stream_value = 0x9a;
312	0	break;
313
314	0	case 0x0698:
315	0	byte_stream_value = 0x8e;
316	0	break;
317
318	0	case 0x06a9:
319	0	byte_stream_value = 0x98;
320	0	break;
321
322	0	case 0x06af:
323	0	byte_stream_value = 0x90;
324	0	break;
325
326	0	case 0x06ba:
327	0	byte_stream_value = 0x9f;
328	0	break;
329
330	0	case 0x06be:
331	0	byte_stream_value = 0xaa;
332	0	break;
333
334	0	case 0x06c1:
335	0	byte_stream_value = 0xc0;
336	0	break;
337
338	0	case 0x06d2:
339	0	byte_stream_value = 0xff;
340	0	break;
341
342	0	case 0x2030:
343	0	byte_stream_value = 0x89;
344	0	break;
345
346	0	case 0x2039:
347	0	byte_stream_value = 0x8b;
348	0	break;
349
350	0	case 0x203a:
351	0	byte_stream_value = 0x9b;
352	0	break;
353
354	0	case 0x20ac:
355	0	byte_stream_value = 0x80;
356	0	break;
357
358	0	case 0x2122:
359	0	byte_stream_value = 0x99;
360	0	break;
361
362	0	default:
363	0	byte_stream_value = 0x1a;
364	0	break;
365	0	}
366	0	byte_stream[ safe_byte_stream_index++ ] = (uint8_t) ( byte_stream_value & 0x00ff );
367
368	0	*byte_stream_index = safe_byte_stream_index;
369
370	0	return( 1 );
371	0	}
372