/src/libcreg/libuna/libuna_codepage_windows_1251.c

Source (jump to first uncovered line)
/*
 * Windows 1251 codepage (Cyrillic) 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_1251.h"
#include "libuna_libcerror.h"
#include "libuna_types.h"

/* Extended ASCII to Unicode character lookup table for the Windows 1251 codepage
 * Unknown are filled with the Unicode replacement character 0xfffd
 */
const uint16_t libuna_codepage_windows_1251_byte_stream_to_unicode_base_0x80[ 128 ] = {
  0x0402, 0x0403, 0x201a, 0x0453, 0x201e, 0x2026, 0x2020, 0x2021,
  0x20ac, 0x2030, 0x0409, 0x2039, 0x040a, 0x040c, 0x040b, 0x040f,
  0x0452, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
  0xfffd, 0x2122, 0x0459, 0x203a, 0x045a, 0x045c, 0x045b, 0x045f,
  0x00a0, 0x040e, 0x045e, 0x0408, 0x00a4, 0x0490, 0x00a6, 0x00a7,
  0x0401, 0x00a9, 0x0404, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x0407,
  0x00b0, 0x00b1, 0x0406, 0x0456, 0x0491, 0x00b5, 0x00b6, 0x00b7,
  0x0451, 0x2116, 0x0454, 0x00bb, 0x0458, 0x0405, 0x0455, 0x0457,
  0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417,
  0x0418, 0x0419, 0x041a, 0x041b, 0x041c, 0x041d, 0x041e, 0x041f,
  0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427,
  0x0428, 0x0429, 0x042a, 0x042b, 0x042c, 0x042d, 0x042e, 0x042f,
  0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,
  0x0438, 0x0439, 0x043a, 0x043b, 0x043c, 0x043d, 0x043e, 0x043f,
  0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447,
  0x0448, 0x0449, 0x044a, 0x044b, 0x044c, 0x044d, 0x044e, 0x044f
};

/* Unicode to ASCII character lookup tables for the Windows 1251 codepage
 * Unknown are filled with the ASCII replacement character 0x1a
 */
const uint8_t libuna_codepage_windows_1251_unicode_to_byte_stream_base_0x00a0[ 32 ] = {
  0xa0, 0x1a, 0x1a, 0x1a, 0xa4, 0x1a, 0xa6, 0xa7,
  0x1a, 0xa9, 0x1a, 0xab, 0xac, 0xad, 0xae, 0x1a,
  0xb0, 0xb1, 0x1a, 0x1a, 0x1a, 0xb5, 0xb6, 0xb7,
  0x1a, 0x1a, 0x1a, 0xbb, 0x1a, 0x1a, 0x1a, 0x1a
};

const uint8_t libuna_codepage_windows_1251_unicode_to_byte_stream_base_0x0400[ 96 ] = {
  0x1a, 0xa8, 0x80, 0x81, 0xaa, 0xbd, 0xb2, 0xaf,
  0xa3, 0x8a, 0x8c, 0x8e, 0x8d, 0x1a, 0xa1, 0x8f,
  0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
  0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
  0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
  0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
  0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
  0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
  0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
  0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
  0x1a, 0xb8, 0x90, 0x83, 0xba, 0xbe, 0xb3, 0xbf,
  0xbc, 0x9a, 0x9c, 0x9e, 0x9d, 0x1a, 0xa2, 0x9f
};

const uint8_t libuna_codepage_windows_1251_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 1251 encoded byte stream
 * Returns 1 if successful or -1 on error
 */
int libuna_codepage_windows_1251_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_1251_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_1251_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 1251 encoded byte stream
 * Returns 1 if successful or -1 on error
 */
int libuna_codepage_windows_1251_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_1251_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_1251_unicode_to_byte_stream_base_0x00a0[ unicode_character ];
  }
  else if( ( unicode_character >= 0x0400 )
        && ( unicode_character < 0x0460 ) )
  {
    unicode_character -= 0x0400;

    byte_stream_value = libuna_codepage_windows_1251_unicode_to_byte_stream_base_0x0400[ unicode_character ];
  }
  else if( ( unicode_character >= 0x2010 )
        && ( unicode_character < 0x2028 ) )
  {
    unicode_character -= 0x2010;

    byte_stream_value = libuna_codepage_windows_1251_unicode_to_byte_stream_base_0x2010[ unicode_character ];
  }
  else switch( unicode_character )
  {
    case 0x0490:
      byte_stream_value = 0xa5;
      break;

    case 0x0491:
      byte_stream_value = 0xb4;
      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 = 0x88;
      break;

    case 0x2116:
      byte_stream_value = 0xb9;
      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 1251 codepage (Cyrillic) 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_1251.h"
26		#include "libuna_libcerror.h"
27		#include "libuna_types.h"
28
29		/* Extended ASCII to Unicode character lookup table for the Windows 1251 codepage
30		* Unknown are filled with the Unicode replacement character 0xfffd
31		*/
32		const uint16_t libuna_codepage_windows_1251_byte_stream_to_unicode_base_0x80[ 128 ] = {
33		0x0402, 0x0403, 0x201a, 0x0453, 0x201e, 0x2026, 0x2020, 0x2021,
34		0x20ac, 0x2030, 0x0409, 0x2039, 0x040a, 0x040c, 0x040b, 0x040f,
35		0x0452, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
36		0xfffd, 0x2122, 0x0459, 0x203a, 0x045a, 0x045c, 0x045b, 0x045f,
37		0x00a0, 0x040e, 0x045e, 0x0408, 0x00a4, 0x0490, 0x00a6, 0x00a7,
38		0x0401, 0x00a9, 0x0404, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x0407,
39		0x00b0, 0x00b1, 0x0406, 0x0456, 0x0491, 0x00b5, 0x00b6, 0x00b7,
40		0x0451, 0x2116, 0x0454, 0x00bb, 0x0458, 0x0405, 0x0455, 0x0457,
41		0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417,
42		0x0418, 0x0419, 0x041a, 0x041b, 0x041c, 0x041d, 0x041e, 0x041f,
43		0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427,
44		0x0428, 0x0429, 0x042a, 0x042b, 0x042c, 0x042d, 0x042e, 0x042f,
45		0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,
46		0x0438, 0x0439, 0x043a, 0x043b, 0x043c, 0x043d, 0x043e, 0x043f,
47		0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447,
48		0x0448, 0x0449, 0x044a, 0x044b, 0x044c, 0x044d, 0x044e, 0x044f
49		};
50
51		/* Unicode to ASCII character lookup tables for the Windows 1251 codepage
52		* Unknown are filled with the ASCII replacement character 0x1a
53		*/
54		const uint8_t libuna_codepage_windows_1251_unicode_to_byte_stream_base_0x00a0[ 32 ] = {
55		0xa0, 0x1a, 0x1a, 0x1a, 0xa4, 0x1a, 0xa6, 0xa7,
56		0x1a, 0xa9, 0x1a, 0xab, 0xac, 0xad, 0xae, 0x1a,
57		0xb0, 0xb1, 0x1a, 0x1a, 0x1a, 0xb5, 0xb6, 0xb7,
58		0x1a, 0x1a, 0x1a, 0xbb, 0x1a, 0x1a, 0x1a, 0x1a
59		};
60
61		const uint8_t libuna_codepage_windows_1251_unicode_to_byte_stream_base_0x0400[ 96 ] = {
62		0x1a, 0xa8, 0x80, 0x81, 0xaa, 0xbd, 0xb2, 0xaf,
63		0xa3, 0x8a, 0x8c, 0x8e, 0x8d, 0x1a, 0xa1, 0x8f,
64		0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
65		0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
66		0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
67		0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
68		0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
69		0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
70		0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
71		0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
72		0x1a, 0xb8, 0x90, 0x83, 0xba, 0xbe, 0xb3, 0xbf,
73		0xbc, 0x9a, 0x9c, 0x9e, 0x9d, 0x1a, 0xa2, 0x9f
74		};
75
76		const uint8_t libuna_codepage_windows_1251_unicode_to_byte_stream_base_0x2010[ 24 ] = {
77		0x1a, 0x1a, 0x1a, 0x96, 0x97, 0x1a, 0x1a, 0x1a,
78		0x91, 0x92, 0x82, 0x1a, 0x93, 0x94, 0x84, 0x1a,
79		0x86, 0x87, 0x95, 0x1a, 0x1a, 0x1a, 0x85, 0x1a
80		};
81
82		/* Copies an Unicode character from a Windows 1251 encoded byte stream
83		* Returns 1 if successful or -1 on error
84		*/
85		int libuna_codepage_windows_1251_copy_from_byte_stream(
86		libuna_unicode_character_t *unicode_character,
87		const uint8_t *byte_stream,
88		size_t byte_stream_size,
89		size_t *byte_stream_index,
90		libcerror_error_t **error )
91	0	{
92	0	static char *function = "libuna_codepage_windows_1251_copy_from_byte_stream";
93	0	libuna_unicode_character_t safe_unicode_character = 0xfffd;
94	0	size_t safe_byte_stream_index = 0;
95	0	uint8_t byte_stream_character = 0;
96
97	0	if( unicode_character == NULL )
98	0	{
99	0	libcerror_error_set(
100	0	error,
101	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
102	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
103	0	"%s: invalid Unicode character.",
104	0	function );
105
106	0	return( -1 );
107	0	}
108	0	if( byte_stream == NULL )
109	0	{
110	0	libcerror_error_set(
111	0	error,
112	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
113	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
114	0	"%s: invalid byte stream.",
115	0	function );
116
117	0	return( -1 );
118	0	}
119	0	if( byte_stream_size > (size_t) SSIZE_MAX )
120	0	{
121	0	libcerror_error_set(
122	0	error,
123	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
124	0	LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
125	0	"%s: invalid byte stream size value exceeds maximum.",
126	0	function );
127
128	0	return( -1 );
129	0	}
130	0	if( byte_stream_index == NULL )
131	0	{
132	0	libcerror_error_set(
133	0	error,
134	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
135	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
136	0	"%s: invalid byte stream index.",
137	0	function );
138
139	0	return( -1 );
140	0	}
141	0	safe_byte_stream_index = *byte_stream_index;
142
143	0	if( safe_byte_stream_index >= byte_stream_size )
144	0	{
145	0	libcerror_error_set(
146	0	error,
147	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
148	0	LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
149	0	"%s: byte stream too small.",
150	0	function );
151
152	0	return( -1 );
153	0	}
154	0	byte_stream_character = byte_stream[ safe_byte_stream_index++ ];
155
156	0	if( byte_stream_character < 0x80 )
157	0	{
158	0	safe_unicode_character = byte_stream_character;
159	0	}
160	0	else
161	0	{
162	0	byte_stream_character -= 0x80;
163
164	0	safe_unicode_character = libuna_codepage_windows_1251_byte_stream_to_unicode_base_0x80[ byte_stream_character ];
165	0	}
166	0	*unicode_character = safe_unicode_character;
167	0	*byte_stream_index = safe_byte_stream_index;
168
169	0	return( 1 );
170	0	}
171
172		/* Copies an Unicode character to a Windows 1251 encoded byte stream
173		* Returns 1 if successful or -1 on error
174		*/
175		int libuna_codepage_windows_1251_copy_to_byte_stream(
176		libuna_unicode_character_t unicode_character,
177		uint8_t *byte_stream,
178		size_t byte_stream_size,
179		size_t *byte_stream_index,
180		libcerror_error_t **error )
181	0	{
182	0	static char *function = "libuna_codepage_windows_1251_copy_to_byte_stream";
183	0	size_t safe_byte_stream_index = 0;
184	0	uint16_t byte_stream_value = 0x001a;
185
186	0	if( byte_stream == NULL )
187	0	{
188	0	libcerror_error_set(
189	0	error,
190	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
191	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
192	0	"%s: invalid byte stream.",
193	0	function );
194
195	0	return( -1 );
196	0	}
197	0	if( byte_stream_size > (size_t) SSIZE_MAX )
198	0	{
199	0	libcerror_error_set(
200	0	error,
201	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
202	0	LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
203	0	"%s: invalid byte stream size value exceeds maximum.",
204	0	function );
205
206	0	return( -1 );
207	0	}
208	0	if( byte_stream_index == NULL )
209	0	{
210	0	libcerror_error_set(
211	0	error,
212	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
213	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
214	0	"%s: invalid byte stream index.",
215	0	function );
216
217	0	return( -1 );
218	0	}
219	0	safe_byte_stream_index = *byte_stream_index;
220
221	0	if( safe_byte_stream_index >= byte_stream_size )
222	0	{
223	0	libcerror_error_set(
224	0	error,
225	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
226	0	LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
227	0	"%s: byte stream too small.",
228	0	function );
229
230	0	return( -1 );
231	0	}
232	0	if( unicode_character < 0x0080 )
233	0	{
234	0	byte_stream_value = (uint16_t) unicode_character;
235	0	}
236	0	else if( ( unicode_character >= 0x00a0 )
237	0	&& ( unicode_character < 0x00c0 ) )
238	0	{
239	0	unicode_character -= 0x00a0;
240
241	0	byte_stream_value = libuna_codepage_windows_1251_unicode_to_byte_stream_base_0x00a0[ unicode_character ];
242	0	}
243	0	else if( ( unicode_character >= 0x0400 )
244	0	&& ( unicode_character < 0x0460 ) )
245	0	{
246	0	unicode_character -= 0x0400;
247
248	0	byte_stream_value = libuna_codepage_windows_1251_unicode_to_byte_stream_base_0x0400[ unicode_character ];
249	0	}
250	0	else if( ( unicode_character >= 0x2010 )
251	0	&& ( unicode_character < 0x2028 ) )
252	0	{
253	0	unicode_character -= 0x2010;
254
255	0	byte_stream_value = libuna_codepage_windows_1251_unicode_to_byte_stream_base_0x2010[ unicode_character ];
256	0	}
257	0	else switch( unicode_character )
258	0	{
259	0	case 0x0490:
260	0	byte_stream_value = 0xa5;
261	0	break;
262
263	0	case 0x0491:
264	0	byte_stream_value = 0xb4;
265	0	break;
266
267	0	case 0x2030:
268	0	byte_stream_value = 0x89;
269	0	break;
270
271	0	case 0x2039:
272	0	byte_stream_value = 0x8b;
273	0	break;
274
275	0	case 0x203a:
276	0	byte_stream_value = 0x9b;
277	0	break;
278
279	0	case 0x20ac:
280	0	byte_stream_value = 0x88;
281	0	break;
282
283	0	case 0x2116:
284	0	byte_stream_value = 0xb9;
285	0	break;
286
287	0	case 0x2122:
288	0	byte_stream_value = 0x99;
289	0	break;
290
291	0	default:
292	0	byte_stream_value = 0x1a;
293	0	break;
294	0	}
295	0	byte_stream[ safe_byte_stream_index++ ] = (uint8_t) ( byte_stream_value & 0x00ff );
296
297	0	*byte_stream_index = safe_byte_stream_index;
298
299	0	return( 1 );
300	0	}
301