/src/libfvde/libuna/libuna_codepage_mac_greek.c

Source (jump to first uncovered line)
/*
 * MacGreek codepage 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_mac_greek.h"
#include "libuna_libcerror.h"
#include "libuna_types.h"

/* Extended ASCII to Unicode character lookup table for the MacGreek codepage
 * Unknown are filled with the Unicode replacement character 0xfffd
 */
const uint16_t libuna_codepage_mac_greek_byte_stream_to_unicode_base_0x80[ 128 ] = {
  0x00c4, 0x00b9, 0x00b2, 0x00c9, 0x00b3, 0x00d6, 0x00dc, 0x0385,
  0x00e0, 0x00e2, 0x00e4, 0x0384, 0x00a8, 0x00e7, 0x00e9, 0x00e8,
  0x00ea, 0x00eb, 0x00a3, 0x2122, 0x00ee, 0x00ef, 0x2022, 0x00bd,
  0x2030, 0x00f4, 0x00f6, 0x00a6, 0x20ac, 0x00f9, 0x00fb, 0x00fc,
  0x2020, 0x0393, 0x0394, 0x0398, 0x039b, 0x039e, 0x03a0, 0x00df,
  0x00ae, 0x00a9, 0x03a3, 0x03aa, 0x00a7, 0x2260, 0x00b0, 0x00b7,
  0x0391, 0x00b1, 0x2264, 0x2265, 0x00a5, 0x0392, 0x0395, 0x0396,
  0x0397, 0x0399, 0x039a, 0x039c, 0x03a6, 0x03ab, 0x03a8, 0x03a9,
  0x03ac, 0x039d, 0x00ac, 0x039f, 0x03a1, 0x2248, 0x03a4, 0x00ab,
  0x00bb, 0x2026, 0x00a0, 0x03a5, 0x03a7, 0x0386, 0x0388, 0x0153,
  0x2013, 0x2015, 0x201c, 0x201d, 0x2018, 0x2019, 0x00f7, 0x0389,
  0x038a, 0x038c, 0x038e, 0x03ad, 0x03ae, 0x03af, 0x03cc, 0x038f,
  0x03cd, 0x03b1, 0x03b2, 0x03c8, 0x03b4, 0x03b5, 0x03c6, 0x03b3,
  0x03b7, 0x03b9, 0x03be, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03bf,
  0x03c0, 0x03ce, 0x03c1, 0x03c3, 0x03c4, 0x03b8, 0x03c9, 0x03c2,
  0x03c7, 0x03c5, 0x03b6, 0x03ca, 0x03cb, 0x0390, 0x03b0, 0x00ad
};

/* Unicode to ASCII character lookup tables for the MacGreek codepage
 * Unknown are filled with the ASCII replacement character 0x1a
 */
const uint8_t libuna_codepage_mac_greek_unicode_to_byte_stream_base_0x00a0[ 96 ] = {
  0xca, 0x1a, 0x1a, 0x92, 0x1a, 0xb4, 0x9b, 0xac,
  0x8c, 0xa9, 0x1a, 0xc7, 0xc2, 0xff, 0xa8, 0x1a,
  0xae, 0xb1, 0x82, 0x84, 0x1a, 0x1a, 0x1a, 0xaf,
  0x1a, 0x81, 0x1a, 0xc8, 0x1a, 0x97, 0x1a, 0x1a,
  0x1a, 0x1a, 0x1a, 0x1a, 0x80, 0x1a, 0x1a, 0x1a,
  0x1a, 0x83, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x85, 0x1a,
  0x1a, 0x1a, 0x1a, 0x1a, 0x86, 0x1a, 0x1a, 0xa7,
  0x88, 0x1a, 0x89, 0x1a, 0x8a, 0x1a, 0x1a, 0x8d,
  0x8f, 0x8e, 0x90, 0x91, 0x1a, 0x1a, 0x94, 0x95,
  0x1a, 0x1a, 0x1a, 0x1a, 0x99, 0x1a, 0x9a, 0xd6,
  0x1a, 0x9d, 0x1a, 0x9e, 0x9f, 0x1a, 0x1a, 0x1a
};

const uint8_t libuna_codepage_mac_greek_unicode_to_byte_stream_base_0x0380[ 80 ] = {
  0x1a, 0x1a, 0x1a, 0x1a, 0x8b, 0x87, 0xcd, 0x1a,
  0xce, 0xd7, 0xd8, 0x1a, 0xd9, 0x1a, 0xda, 0xdf,
  0xfd, 0xb0, 0xb5, 0xa1, 0xa2, 0xb6, 0xb7, 0xb8,
  0xa3, 0xb9, 0xba, 0xa4, 0xbb, 0xc1, 0xa5, 0xc3,
  0xa6, 0xc4, 0x1a, 0xaa, 0xc6, 0xcb, 0xbc, 0xcc,
  0xbe, 0xbf, 0xab, 0xbd, 0xc0, 0xdb, 0xdc, 0xdd,
  0xfe, 0xe1, 0xe2, 0xe7, 0xe4, 0xe5, 0xfa, 0xe8,
  0xf5, 0xe9, 0xeb, 0xec, 0xed, 0xee, 0xea, 0xef,
  0xf0, 0xf2, 0xf7, 0xf3, 0xf4, 0xf9, 0xe6, 0xf8,
  0xe3, 0xf6, 0xfb, 0xfc, 0xde, 0xe0, 0xf1, 0x1a
};

const uint8_t libuna_codepage_mac_greek_unicode_to_byte_stream_base_0x2010[ 40 ] = {
  0x1a, 0x1a, 0x1a, 0xd0, 0x1a, 0xd1, 0x1a, 0x1a,
  0xd4, 0xd5, 0x1a, 0x1a, 0xd2, 0xd3, 0x1a, 0x1a,
  0xa0, 0x1a, 0x96, 0x1a, 0x1a, 0x1a, 0xc9, 0x1a,
  0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0x98, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a
};

/* Copies an Unicode character from a MacGreek encoded byte stream
 * Returns 1 if successful or -1 on error
 */
int libuna_codepage_mac_greek_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_mac_greek_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_mac_greek_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 MacGreek encoded byte stream
 * Returns 1 if successful or -1 on error
 */
int libuna_codepage_mac_greek_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_mac_greek_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 < 0x0100 ) )
  {
    unicode_character -= 0x00a0;

    byte_stream_value = libuna_codepage_mac_greek_unicode_to_byte_stream_base_0x00a0[ unicode_character ];
  }
  else if( ( unicode_character >= 0x0380 )
        && ( unicode_character < 0x03d0 ) )
  {
    unicode_character -= 0x0380;

    byte_stream_value = libuna_codepage_mac_greek_unicode_to_byte_stream_base_0x0380[ unicode_character ];
  }
  else if( ( unicode_character >= 0x2010 )
        && ( unicode_character < 0x2038 ) )
  {
    unicode_character -= 0x2010;

    byte_stream_value = libuna_codepage_mac_greek_unicode_to_byte_stream_base_0x2010[ unicode_character ];
  }
  else switch( unicode_character )
  {
    case 0x0153:
      byte_stream_value = 0xcf;
      break;

    case 0x20ac:
      byte_stream_value = 0x9c;
      break;

    case 0x2122:
      byte_stream_value = 0x93;
      break;

    case 0x2248:
      byte_stream_value = 0xc5;
      break;

    case 0x2260:
      byte_stream_value = 0xad;
      break;

    case 0x2264:
      byte_stream_value = 0xb2;
      break;

    case 0x2265:
      byte_stream_value = 0xb3;
      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: 2024-06-12 07:07

Line	Count	Source (jump to first uncovered line)
1		/*
2		* MacGreek codepage 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_mac_greek.h"
26		#include "libuna_libcerror.h"
27		#include "libuna_types.h"
28
29		/* Extended ASCII to Unicode character lookup table for the MacGreek codepage
30		* Unknown are filled with the Unicode replacement character 0xfffd
31		*/
32		const uint16_t libuna_codepage_mac_greek_byte_stream_to_unicode_base_0x80[ 128 ] = {
33		0x00c4, 0x00b9, 0x00b2, 0x00c9, 0x00b3, 0x00d6, 0x00dc, 0x0385,
34		0x00e0, 0x00e2, 0x00e4, 0x0384, 0x00a8, 0x00e7, 0x00e9, 0x00e8,
35		0x00ea, 0x00eb, 0x00a3, 0x2122, 0x00ee, 0x00ef, 0x2022, 0x00bd,
36		0x2030, 0x00f4, 0x00f6, 0x00a6, 0x20ac, 0x00f9, 0x00fb, 0x00fc,
37		0x2020, 0x0393, 0x0394, 0x0398, 0x039b, 0x039e, 0x03a0, 0x00df,
38		0x00ae, 0x00a9, 0x03a3, 0x03aa, 0x00a7, 0x2260, 0x00b0, 0x00b7,
39		0x0391, 0x00b1, 0x2264, 0x2265, 0x00a5, 0x0392, 0x0395, 0x0396,
40		0x0397, 0x0399, 0x039a, 0x039c, 0x03a6, 0x03ab, 0x03a8, 0x03a9,
41		0x03ac, 0x039d, 0x00ac, 0x039f, 0x03a1, 0x2248, 0x03a4, 0x00ab,
42		0x00bb, 0x2026, 0x00a0, 0x03a5, 0x03a7, 0x0386, 0x0388, 0x0153,
43		0x2013, 0x2015, 0x201c, 0x201d, 0x2018, 0x2019, 0x00f7, 0x0389,
44		0x038a, 0x038c, 0x038e, 0x03ad, 0x03ae, 0x03af, 0x03cc, 0x038f,
45		0x03cd, 0x03b1, 0x03b2, 0x03c8, 0x03b4, 0x03b5, 0x03c6, 0x03b3,
46		0x03b7, 0x03b9, 0x03be, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03bf,
47		0x03c0, 0x03ce, 0x03c1, 0x03c3, 0x03c4, 0x03b8, 0x03c9, 0x03c2,
48		0x03c7, 0x03c5, 0x03b6, 0x03ca, 0x03cb, 0x0390, 0x03b0, 0x00ad
49		};
50
51		/* Unicode to ASCII character lookup tables for the MacGreek codepage
52		* Unknown are filled with the ASCII replacement character 0x1a
53		*/
54		const uint8_t libuna_codepage_mac_greek_unicode_to_byte_stream_base_0x00a0[ 96 ] = {
55		0xca, 0x1a, 0x1a, 0x92, 0x1a, 0xb4, 0x9b, 0xac,
56		0x8c, 0xa9, 0x1a, 0xc7, 0xc2, 0xff, 0xa8, 0x1a,
57		0xae, 0xb1, 0x82, 0x84, 0x1a, 0x1a, 0x1a, 0xaf,
58		0x1a, 0x81, 0x1a, 0xc8, 0x1a, 0x97, 0x1a, 0x1a,
59		0x1a, 0x1a, 0x1a, 0x1a, 0x80, 0x1a, 0x1a, 0x1a,
60		0x1a, 0x83, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
61		0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x85, 0x1a,
62		0x1a, 0x1a, 0x1a, 0x1a, 0x86, 0x1a, 0x1a, 0xa7,
63		0x88, 0x1a, 0x89, 0x1a, 0x8a, 0x1a, 0x1a, 0x8d,
64		0x8f, 0x8e, 0x90, 0x91, 0x1a, 0x1a, 0x94, 0x95,
65		0x1a, 0x1a, 0x1a, 0x1a, 0x99, 0x1a, 0x9a, 0xd6,
66		0x1a, 0x9d, 0x1a, 0x9e, 0x9f, 0x1a, 0x1a, 0x1a
67		};
68
69		const uint8_t libuna_codepage_mac_greek_unicode_to_byte_stream_base_0x0380[ 80 ] = {
70		0x1a, 0x1a, 0x1a, 0x1a, 0x8b, 0x87, 0xcd, 0x1a,
71		0xce, 0xd7, 0xd8, 0x1a, 0xd9, 0x1a, 0xda, 0xdf,
72		0xfd, 0xb0, 0xb5, 0xa1, 0xa2, 0xb6, 0xb7, 0xb8,
73		0xa3, 0xb9, 0xba, 0xa4, 0xbb, 0xc1, 0xa5, 0xc3,
74		0xa6, 0xc4, 0x1a, 0xaa, 0xc6, 0xcb, 0xbc, 0xcc,
75		0xbe, 0xbf, 0xab, 0xbd, 0xc0, 0xdb, 0xdc, 0xdd,
76		0xfe, 0xe1, 0xe2, 0xe7, 0xe4, 0xe5, 0xfa, 0xe8,
77		0xf5, 0xe9, 0xeb, 0xec, 0xed, 0xee, 0xea, 0xef,
78		0xf0, 0xf2, 0xf7, 0xf3, 0xf4, 0xf9, 0xe6, 0xf8,
79		0xe3, 0xf6, 0xfb, 0xfc, 0xde, 0xe0, 0xf1, 0x1a
80		};
81
82		const uint8_t libuna_codepage_mac_greek_unicode_to_byte_stream_base_0x2010[ 40 ] = {
83		0x1a, 0x1a, 0x1a, 0xd0, 0x1a, 0xd1, 0x1a, 0x1a,
84		0xd4, 0xd5, 0x1a, 0x1a, 0xd2, 0xd3, 0x1a, 0x1a,
85		0xa0, 0x1a, 0x96, 0x1a, 0x1a, 0x1a, 0xc9, 0x1a,
86		0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
87		0x98, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a
88		};
89
90		/* Copies an Unicode character from a MacGreek encoded byte stream
91		* Returns 1 if successful or -1 on error
92		*/
93		int libuna_codepage_mac_greek_copy_from_byte_stream(
94		libuna_unicode_character_t *unicode_character,
95		const uint8_t *byte_stream,
96		size_t byte_stream_size,
97		size_t *byte_stream_index,
98		libcerror_error_t **error )
99	0	{
100	0	static char *function = "libuna_codepage_mac_greek_copy_from_byte_stream";
101	0	libuna_unicode_character_t safe_unicode_character = 0xfffd;
102	0	size_t safe_byte_stream_index = 0;
103	0	uint8_t byte_stream_character = 0;
104
105	0	if( unicode_character == NULL )
106	0	{
107	0	libcerror_error_set(
108	0	error,
109	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
110	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
111	0	"%s: invalid Unicode character.",
112	0	function );
113
114	0	return( -1 );
115	0	}
116	0	if( byte_stream == NULL )
117	0	{
118	0	libcerror_error_set(
119	0	error,
120	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
121	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
122	0	"%s: invalid byte stream.",
123	0	function );
124
125	0	return( -1 );
126	0	}
127	0	if( byte_stream_size > (size_t) SSIZE_MAX )
128	0	{
129	0	libcerror_error_set(
130	0	error,
131	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
132	0	LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
133	0	"%s: invalid byte stream size value exceeds maximum.",
134	0	function );
135
136	0	return( -1 );
137	0	}
138	0	if( byte_stream_index == NULL )
139	0	{
140	0	libcerror_error_set(
141	0	error,
142	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
143	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
144	0	"%s: invalid byte stream index.",
145	0	function );
146
147	0	return( -1 );
148	0	}
149	0	safe_byte_stream_index = *byte_stream_index;
150
151	0	if( safe_byte_stream_index >= byte_stream_size )
152	0	{
153	0	libcerror_error_set(
154	0	error,
155	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
156	0	LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
157	0	"%s: byte stream too small.",
158	0	function );
159
160	0	return( -1 );
161	0	}
162	0	byte_stream_character = byte_stream[ safe_byte_stream_index++ ];
163
164	0	if( byte_stream_character < 0x80 )
165	0	{
166	0	safe_unicode_character = byte_stream_character;
167	0	}
168	0	else
169	0	{
170	0	byte_stream_character -= 0x80;
171
172	0	safe_unicode_character = libuna_codepage_mac_greek_byte_stream_to_unicode_base_0x80[ byte_stream_character ];
173	0	}
174	0	*unicode_character = safe_unicode_character;
175	0	*byte_stream_index = safe_byte_stream_index;
176
177	0	return( 1 );
178	0	}
179
180		/* Copies an Unicode character to a MacGreek encoded byte stream
181		* Returns 1 if successful or -1 on error
182		*/
183		int libuna_codepage_mac_greek_copy_to_byte_stream(
184		libuna_unicode_character_t unicode_character,
185		uint8_t *byte_stream,
186		size_t byte_stream_size,
187		size_t *byte_stream_index,
188		libcerror_error_t **error )
189	0	{
190	0	static char *function = "libuna_codepage_mac_greek_copy_to_byte_stream";
191	0	size_t safe_byte_stream_index = 0;
192	0	uint16_t byte_stream_value = 0x001a;
193
194	0	if( byte_stream == NULL )
195	0	{
196	0	libcerror_error_set(
197	0	error,
198	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
199	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
200	0	"%s: invalid byte stream.",
201	0	function );
202
203	0	return( -1 );
204	0	}
205	0	if( byte_stream_size > (size_t) SSIZE_MAX )
206	0	{
207	0	libcerror_error_set(
208	0	error,
209	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
210	0	LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
211	0	"%s: invalid byte stream size value exceeds maximum.",
212	0	function );
213
214	0	return( -1 );
215	0	}
216	0	if( byte_stream_index == NULL )
217	0	{
218	0	libcerror_error_set(
219	0	error,
220	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
221	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
222	0	"%s: invalid byte stream index.",
223	0	function );
224
225	0	return( -1 );
226	0	}
227	0	safe_byte_stream_index = *byte_stream_index;
228
229	0	if( safe_byte_stream_index >= byte_stream_size )
230	0	{
231	0	libcerror_error_set(
232	0	error,
233	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
234	0	LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
235	0	"%s: byte stream too small.",
236	0	function );
237
238	0	return( -1 );
239	0	}
240	0	if( unicode_character < 0x0080 )
241	0	{
242	0	byte_stream_value = (uint16_t) unicode_character;
243	0	}
244	0	else if( ( unicode_character >= 0x00a0 )
245	0	&& ( unicode_character < 0x0100 ) )
246	0	{
247	0	unicode_character -= 0x00a0;
248
249	0	byte_stream_value = libuna_codepage_mac_greek_unicode_to_byte_stream_base_0x00a0[ unicode_character ];
250	0	}
251	0	else if( ( unicode_character >= 0x0380 )
252	0	&& ( unicode_character < 0x03d0 ) )
253	0	{
254	0	unicode_character -= 0x0380;
255
256	0	byte_stream_value = libuna_codepage_mac_greek_unicode_to_byte_stream_base_0x0380[ unicode_character ];
257	0	}
258	0	else if( ( unicode_character >= 0x2010 )
259	0	&& ( unicode_character < 0x2038 ) )
260	0	{
261	0	unicode_character -= 0x2010;
262
263	0	byte_stream_value = libuna_codepage_mac_greek_unicode_to_byte_stream_base_0x2010[ unicode_character ];
264	0	}
265	0	else switch( unicode_character )
266	0	{
267	0	case 0x0153:
268	0	byte_stream_value = 0xcf;
269	0	break;
270
271	0	case 0x20ac:
272	0	byte_stream_value = 0x9c;
273	0	break;
274
275	0	case 0x2122:
276	0	byte_stream_value = 0x93;
277	0	break;
278
279	0	case 0x2248:
280	0	byte_stream_value = 0xc5;
281	0	break;
282
283	0	case 0x2260:
284	0	byte_stream_value = 0xad;
285	0	break;
286
287	0	case 0x2264:
288	0	byte_stream_value = 0xb2;
289	0	break;
290
291	0	case 0x2265:
292	0	byte_stream_value = 0xb3;
293	0	break;
294
295	0	default:
296	0	byte_stream_value = 0x1a;
297	0	break;
298	0	}
299	0	byte_stream[ safe_byte_stream_index++ ] = (uint8_t) ( byte_stream_value & 0x00ff );
300
301	0	*byte_stream_index = safe_byte_stream_index;
302
303	0	return( 1 );
304	0	}
305