/src/libfshfs/libuna/libuna_codepage_koi8_r.c

Source (jump to first uncovered line)
/*
 * KOI8-R codepage (Russian Cyrillic) function
 *
 * 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_koi8_r.h"
#include "libuna_libcerror.h"
#include "libuna_types.h"

/* Extended ASCII to Unicode character lookup table for the KOI8-R codepage
 * Unknown are filled with the Unicode replacement character 0xfffd
 */
const uint16_t libuna_codepage_koi8_r_byte_stream_to_unicode_base_0x80[ 128 ] = {
  0x2500, 0x2502, 0x250c, 0x2510, 0x2514, 0x2518, 0x251c, 0x2524,
  0x252c, 0x2534, 0x253c, 0x2580, 0x2584, 0x2588, 0x258c, 0x2590,
  0x2591, 0x2592, 0x2593, 0x2320, 0x25a0, 0x2219, 0x221a, 0x2248,
  0x2264, 0x2265, 0x00a0, 0x2321, 0x00b0, 0x00b2, 0x00b7, 0x00f7,
  0x2550, 0x2551, 0x2552, 0x0451, 0x2553, 0x2554, 0x2555, 0x2556,
  0x2557, 0x2558, 0x2559, 0x255a, 0x255b, 0x255c, 0x255d, 0x255e,
  0x255f, 0x2560, 0x2561, 0x0401, 0x2562, 0x2563, 0x2564, 0x2565,
  0x2566, 0x2567, 0x2568, 0x2569, 0x256a, 0x256b, 0x256c, 0x00a9,
  0x044e, 0x0430, 0x0431, 0x0446, 0x0434, 0x0435, 0x0444, 0x0433,
  0x0445, 0x0438, 0x0439, 0x043a, 0x043b, 0x043c, 0x043d, 0x043e,
  0x043f, 0x044f, 0x0440, 0x0441, 0x0442, 0x0443, 0x0436, 0x0432,
  0x044c, 0x044b, 0x0437, 0x0448, 0x044d, 0x0449, 0x0447, 0x044a,
  0x042e, 0x0410, 0x0411, 0x0426, 0x0414, 0x0415, 0x0424, 0x0413,
  0x0425, 0x0418, 0x0419, 0x041a, 0x041b, 0x041c, 0x041d, 0x041e,
  0x041f, 0x042f, 0x0420, 0x0421, 0x0422, 0x0423, 0x0416, 0x0412,
  0x042c, 0x042b, 0x0417, 0x0428, 0x042d, 0x0429, 0x0427, 0x042a
};

/* Unicode to ASCII character lookup tables for the KOI8-R codepage
 * Unknown are filled with the ASCII replacement character 0x1a
 */
const uint8_t libuna_codepage_koi8_r_unicode_to_byte_stream_base_0x0410[ 64 ] = {
  0xe1, 0xe2, 0xf7, 0xe7, 0xe4, 0xe5, 0xf6, 0xfa,
  0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0,
  0xf2, 0xf3, 0xf4, 0xf5, 0xe6, 0xe8, 0xe3, 0xfe,
  0xfb, 0xfd, 0xff, 0xf9, 0xf8, 0xfc, 0xe0, 0xf1,
  0xc1, 0xc2, 0xd7, 0xc7, 0xc4, 0xc5, 0xd6, 0xda,
  0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0,
  0xd2, 0xd3, 0xd4, 0xd5, 0xc6, 0xc8, 0xc3, 0xde,
  0xdb, 0xdd, 0xdf, 0xd9, 0xd8, 0xdc, 0xc0, 0xd1
};

const uint8_t libuna_codepage_koi8_r_unicode_to_byte_stream_base_0x2550[ 32 ] = {
  0xa0, 0xa1, 0xa2, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8,
  0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0,
  0xb1, 0xb2, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9,
  0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0x1a, 0x1a, 0x1a
};

/* Copies an Unicode character from a KOI8-R encoded byte stream
 * Returns 1 if successful or -1 on error
 */
int libuna_codepage_koi8_r_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_koi8_r_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_koi8_r_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 KOI8-R encoded byte stream
 * Returns 1 if successful or -1 on error
 */
int libuna_codepage_koi8_r_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_koi8_r_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 >= 0x0410 )
        && ( unicode_character < 0x0450 ) )
  {
    unicode_character -= 0x0410;

    byte_stream_value = libuna_codepage_koi8_r_unicode_to_byte_stream_base_0x0410[ unicode_character ];
  }
  else if( ( unicode_character >= 0x2550 )
        && ( unicode_character < 0x2570 ) )
  {
    unicode_character -= 0x2550;

    byte_stream_value = libuna_codepage_koi8_r_unicode_to_byte_stream_base_0x2550[ unicode_character ];
  }
  else switch( unicode_character )
  {
    case 0x00a0:
      byte_stream_value = 0x9a;
      break;

    case 0x00a9:
      byte_stream_value = 0xbf;
      break;

    case 0x00b0:
      byte_stream_value = 0x9c;
      break;

    case 0x00b2:
      byte_stream_value = 0x9d;
      break;

    case 0x00b7:
      byte_stream_value = 0x9e;
      break;

    case 0x00f7:
      byte_stream_value = 0x9f;
      break;

    case 0x0401:
      byte_stream_value = 0xb3;
      break;

    case 0x0451:
      byte_stream_value = 0xa3;
      break;

    case 0x2219:
      byte_stream_value = 0x95;
      break;

    case 0x221a:
      byte_stream_value = 0x96;
      break;

    case 0x2248:
      byte_stream_value = 0x97;
      break;

    case 0x2264:
      byte_stream_value = 0x98;
      break;

    case 0x2265:
      byte_stream_value = 0x99;
      break;

    case 0x2320:
      byte_stream_value = 0x93;
      break;

    case 0x2321:
      byte_stream_value = 0x9b;
      break;

    case 0x2500:
      byte_stream_value = 0x80;
      break;

    case 0x2502:
      byte_stream_value = 0x81;
      break;

    case 0x250c:
      byte_stream_value = 0x82;
      break;

    case 0x2510:
      byte_stream_value = 0x83;
      break;

    case 0x2514:
      byte_stream_value = 0x84;
      break;

    case 0x2518:
      byte_stream_value = 0x85;
      break;

    case 0x251c:
      byte_stream_value = 0x86;
      break;

    case 0x2524:
      byte_stream_value = 0x87;
      break;

    case 0x252c:
      byte_stream_value = 0x88;
      break;

    case 0x2534:
      byte_stream_value = 0x89;
      break;

    case 0x253c:
      byte_stream_value = 0x8a;
      break;

    case 0x2580:
      byte_stream_value = 0x8b;
      break;

    case 0x2584:
      byte_stream_value = 0x8c;
      break;

    case 0x2588:
      byte_stream_value = 0x8d;
      break;

    case 0x258c:
      byte_stream_value = 0x8e;
      break;

    case 0x2590:
      byte_stream_value = 0x8f;
      break;

    case 0x2591:
      byte_stream_value = 0x90;
      break;

    case 0x2592:
      byte_stream_value = 0x91;
      break;

    case 0x2593:
      byte_stream_value = 0x92;
      break;

    case 0x25a0:
      byte_stream_value = 0x94;
      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		* KOI8-R codepage (Russian Cyrillic) function
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_koi8_r.h"
26		#include "libuna_libcerror.h"
27		#include "libuna_types.h"
28
29		/* Extended ASCII to Unicode character lookup table for the KOI8-R codepage
30		* Unknown are filled with the Unicode replacement character 0xfffd
31		*/
32		const uint16_t libuna_codepage_koi8_r_byte_stream_to_unicode_base_0x80[ 128 ] = {
33		0x2500, 0x2502, 0x250c, 0x2510, 0x2514, 0x2518, 0x251c, 0x2524,
34		0x252c, 0x2534, 0x253c, 0x2580, 0x2584, 0x2588, 0x258c, 0x2590,
35		0x2591, 0x2592, 0x2593, 0x2320, 0x25a0, 0x2219, 0x221a, 0x2248,
36		0x2264, 0x2265, 0x00a0, 0x2321, 0x00b0, 0x00b2, 0x00b7, 0x00f7,
37		0x2550, 0x2551, 0x2552, 0x0451, 0x2553, 0x2554, 0x2555, 0x2556,
38		0x2557, 0x2558, 0x2559, 0x255a, 0x255b, 0x255c, 0x255d, 0x255e,
39		0x255f, 0x2560, 0x2561, 0x0401, 0x2562, 0x2563, 0x2564, 0x2565,
40		0x2566, 0x2567, 0x2568, 0x2569, 0x256a, 0x256b, 0x256c, 0x00a9,
41		0x044e, 0x0430, 0x0431, 0x0446, 0x0434, 0x0435, 0x0444, 0x0433,
42		0x0445, 0x0438, 0x0439, 0x043a, 0x043b, 0x043c, 0x043d, 0x043e,
43		0x043f, 0x044f, 0x0440, 0x0441, 0x0442, 0x0443, 0x0436, 0x0432,
44		0x044c, 0x044b, 0x0437, 0x0448, 0x044d, 0x0449, 0x0447, 0x044a,
45		0x042e, 0x0410, 0x0411, 0x0426, 0x0414, 0x0415, 0x0424, 0x0413,
46		0x0425, 0x0418, 0x0419, 0x041a, 0x041b, 0x041c, 0x041d, 0x041e,
47		0x041f, 0x042f, 0x0420, 0x0421, 0x0422, 0x0423, 0x0416, 0x0412,
48		0x042c, 0x042b, 0x0417, 0x0428, 0x042d, 0x0429, 0x0427, 0x042a
49		};
50
51		/* Unicode to ASCII character lookup tables for the KOI8-R codepage
52		* Unknown are filled with the ASCII replacement character 0x1a
53		*/
54		const uint8_t libuna_codepage_koi8_r_unicode_to_byte_stream_base_0x0410[ 64 ] = {
55		0xe1, 0xe2, 0xf7, 0xe7, 0xe4, 0xe5, 0xf6, 0xfa,
56		0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0,
57		0xf2, 0xf3, 0xf4, 0xf5, 0xe6, 0xe8, 0xe3, 0xfe,
58		0xfb, 0xfd, 0xff, 0xf9, 0xf8, 0xfc, 0xe0, 0xf1,
59		0xc1, 0xc2, 0xd7, 0xc7, 0xc4, 0xc5, 0xd6, 0xda,
60		0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0,
61		0xd2, 0xd3, 0xd4, 0xd5, 0xc6, 0xc8, 0xc3, 0xde,
62		0xdb, 0xdd, 0xdf, 0xd9, 0xd8, 0xdc, 0xc0, 0xd1
63		};
64
65		const uint8_t libuna_codepage_koi8_r_unicode_to_byte_stream_base_0x2550[ 32 ] = {
66		0xa0, 0xa1, 0xa2, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8,
67		0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0,
68		0xb1, 0xb2, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9,
69		0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0x1a, 0x1a, 0x1a
70		};
71
72		/* Copies an Unicode character from a KOI8-R encoded byte stream
73		* Returns 1 if successful or -1 on error
74		*/
75		int libuna_codepage_koi8_r_copy_from_byte_stream(
76		libuna_unicode_character_t *unicode_character,
77		const uint8_t *byte_stream,
78		size_t byte_stream_size,
79		size_t *byte_stream_index,
80		libcerror_error_t **error )
81	0	{
82	0	static char *function = "libuna_codepage_koi8_r_copy_from_byte_stream";
83	0	libuna_unicode_character_t safe_unicode_character = 0xfffd;
84	0	size_t safe_byte_stream_index = 0;
85	0	uint8_t byte_stream_character = 0;
86
87	0	if( unicode_character == NULL )
88	0	{
89	0	libcerror_error_set(
90	0	error,
91	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
92	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
93	0	"%s: invalid Unicode character.",
94	0	function );
95
96	0	return( -1 );
97	0	}
98	0	if( byte_stream == NULL )
99	0	{
100	0	libcerror_error_set(
101	0	error,
102	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
103	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
104	0	"%s: invalid byte stream.",
105	0	function );
106
107	0	return( -1 );
108	0	}
109	0	if( byte_stream_size > (size_t) SSIZE_MAX )
110	0	{
111	0	libcerror_error_set(
112	0	error,
113	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
114	0	LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
115	0	"%s: invalid byte stream size value exceeds maximum.",
116	0	function );
117
118	0	return( -1 );
119	0	}
120	0	if( byte_stream_index == NULL )
121	0	{
122	0	libcerror_error_set(
123	0	error,
124	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
125	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
126	0	"%s: invalid byte stream index.",
127	0	function );
128
129	0	return( -1 );
130	0	}
131	0	safe_byte_stream_index = *byte_stream_index;
132
133	0	if( safe_byte_stream_index >= byte_stream_size )
134	0	{
135	0	libcerror_error_set(
136	0	error,
137	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
138	0	LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
139	0	"%s: byte stream too small.",
140	0	function );
141
142	0	return( -1 );
143	0	}
144	0	byte_stream_character = byte_stream[ safe_byte_stream_index++ ];
145
146	0	if( byte_stream_character < 0x80 )
147	0	{
148	0	safe_unicode_character = byte_stream_character;
149	0	}
150	0	else
151	0	{
152	0	byte_stream_character -= 0x80;
153
154	0	safe_unicode_character = libuna_codepage_koi8_r_byte_stream_to_unicode_base_0x80[ byte_stream_character ];
155	0	}
156	0	*unicode_character = safe_unicode_character;
157	0	*byte_stream_index = safe_byte_stream_index;
158
159	0	return( 1 );
160	0	}
161
162		/* Copies an Unicode character to a KOI8-R encoded byte stream
163		* Returns 1 if successful or -1 on error
164		*/
165		int libuna_codepage_koi8_r_copy_to_byte_stream(
166		libuna_unicode_character_t unicode_character,
167		uint8_t *byte_stream,
168		size_t byte_stream_size,
169		size_t *byte_stream_index,
170		libcerror_error_t **error )
171	0	{
172	0	static char *function = "libuna_codepage_koi8_r_copy_to_byte_stream";
173	0	size_t safe_byte_stream_index = 0;
174	0	uint16_t byte_stream_value = 0x001a;
175
176	0	if( byte_stream == NULL )
177	0	{
178	0	libcerror_error_set(
179	0	error,
180	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
181	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
182	0	"%s: invalid byte stream.",
183	0	function );
184
185	0	return( -1 );
186	0	}
187	0	if( byte_stream_size > (size_t) SSIZE_MAX )
188	0	{
189	0	libcerror_error_set(
190	0	error,
191	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
192	0	LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
193	0	"%s: invalid byte stream size value exceeds maximum.",
194	0	function );
195
196	0	return( -1 );
197	0	}
198	0	if( byte_stream_index == NULL )
199	0	{
200	0	libcerror_error_set(
201	0	error,
202	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
203	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
204	0	"%s: invalid byte stream index.",
205	0	function );
206
207	0	return( -1 );
208	0	}
209	0	safe_byte_stream_index = *byte_stream_index;
210
211	0	if( safe_byte_stream_index >= byte_stream_size )
212	0	{
213	0	libcerror_error_set(
214	0	error,
215	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
216	0	LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
217	0	"%s: byte stream too small.",
218	0	function );
219
220	0	return( -1 );
221	0	}
222	0	if( unicode_character < 0x0080 )
223	0	{
224	0	byte_stream_value = (uint16_t) unicode_character;
225	0	}
226	0	else if( ( unicode_character >= 0x0410 )
227	0	&& ( unicode_character < 0x0450 ) )
228	0	{
229	0	unicode_character -= 0x0410;
230
231	0	byte_stream_value = libuna_codepage_koi8_r_unicode_to_byte_stream_base_0x0410[ unicode_character ];
232	0	}
233	0	else if( ( unicode_character >= 0x2550 )
234	0	&& ( unicode_character < 0x2570 ) )
235	0	{
236	0	unicode_character -= 0x2550;
237
238	0	byte_stream_value = libuna_codepage_koi8_r_unicode_to_byte_stream_base_0x2550[ unicode_character ];
239	0	}
240	0	else switch( unicode_character )
241	0	{
242	0	case 0x00a0:
243	0	byte_stream_value = 0x9a;
244	0	break;
245
246	0	case 0x00a9:
247	0	byte_stream_value = 0xbf;
248	0	break;
249
250	0	case 0x00b0:
251	0	byte_stream_value = 0x9c;
252	0	break;
253
254	0	case 0x00b2:
255	0	byte_stream_value = 0x9d;
256	0	break;
257
258	0	case 0x00b7:
259	0	byte_stream_value = 0x9e;
260	0	break;
261
262	0	case 0x00f7:
263	0	byte_stream_value = 0x9f;
264	0	break;
265
266	0	case 0x0401:
267	0	byte_stream_value = 0xb3;
268	0	break;
269
270	0	case 0x0451:
271	0	byte_stream_value = 0xa3;
272	0	break;
273
274	0	case 0x2219:
275	0	byte_stream_value = 0x95;
276	0	break;
277
278	0	case 0x221a:
279	0	byte_stream_value = 0x96;
280	0	break;
281
282	0	case 0x2248:
283	0	byte_stream_value = 0x97;
284	0	break;
285
286	0	case 0x2264:
287	0	byte_stream_value = 0x98;
288	0	break;
289
290	0	case 0x2265:
291	0	byte_stream_value = 0x99;
292	0	break;
293
294	0	case 0x2320:
295	0	byte_stream_value = 0x93;
296	0	break;
297
298	0	case 0x2321:
299	0	byte_stream_value = 0x9b;
300	0	break;
301
302	0	case 0x2500:
303	0	byte_stream_value = 0x80;
304	0	break;
305
306	0	case 0x2502:
307	0	byte_stream_value = 0x81;
308	0	break;
309
310	0	case 0x250c:
311	0	byte_stream_value = 0x82;
312	0	break;
313
314	0	case 0x2510:
315	0	byte_stream_value = 0x83;
316	0	break;
317
318	0	case 0x2514:
319	0	byte_stream_value = 0x84;
320	0	break;
321
322	0	case 0x2518:
323	0	byte_stream_value = 0x85;
324	0	break;
325
326	0	case 0x251c:
327	0	byte_stream_value = 0x86;
328	0	break;
329
330	0	case 0x2524:
331	0	byte_stream_value = 0x87;
332	0	break;
333
334	0	case 0x252c:
335	0	byte_stream_value = 0x88;
336	0	break;
337
338	0	case 0x2534:
339	0	byte_stream_value = 0x89;
340	0	break;
341
342	0	case 0x253c:
343	0	byte_stream_value = 0x8a;
344	0	break;
345
346	0	case 0x2580:
347	0	byte_stream_value = 0x8b;
348	0	break;
349
350	0	case 0x2584:
351	0	byte_stream_value = 0x8c;
352	0	break;
353
354	0	case 0x2588:
355	0	byte_stream_value = 0x8d;
356	0	break;
357
358	0	case 0x258c:
359	0	byte_stream_value = 0x8e;
360	0	break;
361
362	0	case 0x2590:
363	0	byte_stream_value = 0x8f;
364	0	break;
365
366	0	case 0x2591:
367	0	byte_stream_value = 0x90;
368	0	break;
369
370	0	case 0x2592:
371	0	byte_stream_value = 0x91;
372	0	break;
373
374	0	case 0x2593:
375	0	byte_stream_value = 0x92;
376	0	break;
377
378	0	case 0x25a0:
379	0	byte_stream_value = 0x94;
380	0	break;
381
382	0	default:
383	0	byte_stream_value = 0x1a;
384	0	break;
385	0	}
386	0	byte_stream[ safe_byte_stream_index++ ] = (uint8_t) ( byte_stream_value & 0x00ff );
387
388	0	*byte_stream_index = safe_byte_stream_index;
389
390	0	return( 1 );
391	0	}
392