/src/libfusn/libuna/libuna_codepage_mac_gaelic.c

Source (jump to first uncovered line)
/*
 * MacGaelic 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_gaelic.h"
#include "libuna_libcerror.h"
#include "libuna_types.h"

/* Extended ASCII to Unicode character lookup table for the MacGaelic codepage
 * Unknown are filled with the Unicode replacement character 0xfffd
 */
const uint16_t libuna_codepage_mac_gaelic_byte_stream_to_unicode_base_0x80[ 128 ] = {
  0x00c4, 0x00c5, 0x00c7, 0x00c9, 0x00d1, 0x00d6, 0x00dc, 0x00e1,
  0x00e0, 0x00e2, 0x00e4, 0x00e3, 0x00e5, 0x00e7, 0x00e9, 0x00e8,
  0x00ea, 0x00eb, 0x00ed, 0x00ec, 0x00ee, 0x00ef, 0x00f1, 0x00f3,
  0x00f2, 0x00f4, 0x00f6, 0x00f5, 0x00fa, 0x00f9, 0x00fb, 0x00fc,
  0x2020, 0x00b0, 0x00a2, 0x00a3, 0x00a7, 0x2022, 0x00b6, 0x00df,
  0x00ae, 0x00a9, 0x2122, 0x00b4, 0x00a8, 0x2260, 0x00c6, 0x00d8,
  0x1e02, 0x00b1, 0x2264, 0x2265, 0x1e03, 0x010a, 0x010b, 0x1e0a,
  0x1e0b, 0x1e1e, 0x1e1f, 0x0120, 0x0121, 0x1e40, 0x00e6, 0x00f8,
  0x1e41, 0x1e56, 0x1e57, 0x027c, 0x0192, 0x017f, 0x1e60, 0x00ab,
  0x00bb, 0x2026, 0x00a0, 0x00c0, 0x00c3, 0x00d5, 0x0152, 0x0153,
  0x2013, 0x2014, 0x201c, 0x201d, 0x2018, 0x2019, 0x1e61, 0x1e9b,
  0x00ff, 0x0178, 0x1e6a, 0x20ac, 0x2039, 0x203a, 0x0176, 0x0177,
  0x1e6b, 0x00b7, 0x1ef2, 0x1ef3, 0x204a, 0x00c2, 0x00ca, 0x00c1,
  0x00cb, 0x00c8, 0x00cd, 0x00ce, 0x00cf, 0x00cc, 0x00d3, 0x00d4,
  0x2663, 0x00d2, 0x00da, 0x00db, 0x00d9, 0x0131, 0x00dd, 0x00fd,
  0x0174, 0x0175, 0x1e84, 0x1e85, 0x1e80, 0x1e81, 0x1e82, 0x1e83
};

/* Unicode to ASCII character lookup tables for the MacGaelic codepage
 * Unknown are filled with the ASCII replacement character 0x1a
 */
const uint8_t libuna_codepage_mac_gaelic_unicode_to_byte_stream_base_0x00a0[ 112 ] = {
  0xca, 0x1a, 0xa2, 0xa3, 0x1a, 0x1a, 0x1a, 0xa4,
  0xac, 0xa9, 0x1a, 0xc7, 0x1a, 0x1a, 0xa8, 0x1a,
  0xa1, 0xb1, 0x1a, 0x1a, 0xab, 0x1a, 0xa6, 0xe1,
  0x1a, 0x1a, 0x1a, 0xc8, 0x1a, 0x1a, 0x1a, 0x1a,
  0xcb, 0xe7, 0xe5, 0xcc, 0x80, 0x81, 0xae, 0x82,
  0xe9, 0x83, 0xe6, 0xe8, 0xed, 0xea, 0xeb, 0xec,
  0x1a, 0x84, 0xf1, 0xee, 0xef, 0xcd, 0x85, 0x1a,
  0xaf, 0xf4, 0xf2, 0xf3, 0x86, 0xf6, 0x1a, 0xa7,
  0x88, 0x87, 0x89, 0x8b, 0x8a, 0x8c, 0xbe, 0x8d,
  0x8f, 0x8e, 0x90, 0x91, 0x93, 0x92, 0x94, 0x95,
  0x1a, 0x96, 0x98, 0x97, 0x99, 0x9b, 0x9a, 0x1a,
  0xbf, 0x9d, 0x9c, 0x9e, 0x9f, 0xf7, 0x1a, 0xd8,
  0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0x1a, 0xb5, 0xb6, 0x1a, 0x1a, 0x1a, 0x1a
};

const uint8_t libuna_codepage_mac_gaelic_unicode_to_byte_stream_base_0x2010[ 24 ] = {
  0x1a, 0x1a, 0x1a, 0xd0, 0xd1, 0x1a, 0x1a, 0x1a,
  0xd4, 0xd5, 0x1a, 0x1a, 0xd2, 0xd3, 0x1a, 0x1a,
  0xa0, 0x1a, 0xa5, 0x1a, 0x1a, 0x1a, 0xc9, 0x1a
};

/* Copies an Unicode character from a MacGaelic encoded byte stream
 * Returns 1 if successful or -1 on error
 */
int libuna_codepage_mac_gaelic_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_gaelic_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_gaelic_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 MacGaelic encoded byte stream
 * Returns 1 if successful or -1 on error
 */
int libuna_codepage_mac_gaelic_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_gaelic_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 < 0x0110 ) )
  {
    unicode_character -= 0x00a0;

    byte_stream_value = libuna_codepage_mac_gaelic_unicode_to_byte_stream_base_0x00a0[ unicode_character ];
  }
  else if( ( unicode_character >= 0x2010 )
        && ( unicode_character < 0x2028 ) )
  {
    unicode_character -= 0x2010;

    byte_stream_value = libuna_codepage_mac_gaelic_unicode_to_byte_stream_base_0x2010[ unicode_character ];
  }
  else switch( unicode_character )
  {
    case 0x0120:
      byte_stream_value = 0xbb;
      break;

    case 0x0121:
      byte_stream_value = 0xbc;
      break;

    case 0x0131:
      byte_stream_value = 0xf5;
      break;

    case 0x0152:
      byte_stream_value = 0xce;
      break;

    case 0x0153:
      byte_stream_value = 0xcf;
      break;

    case 0x0174:
      byte_stream_value = 0xf8;
      break;

    case 0x0175:
      byte_stream_value = 0xf9;
      break;

    case 0x0176:
      byte_stream_value = 0xde;
      break;

    case 0x0177:
      byte_stream_value = 0xdf;
      break;

    case 0x0178:
      byte_stream_value = 0xd9;
      break;

    case 0x017f:
      byte_stream_value = 0xc5;
      break;

    case 0x0192:
      byte_stream_value = 0xc4;
      break;

    case 0x027c:
      byte_stream_value = 0xc3;
      break;

    case 0x1e02:
      byte_stream_value = 0xb0;
      break;

    case 0x1e03:
      byte_stream_value = 0xb4;
      break;

    case 0x1e0a:
      byte_stream_value = 0xb7;
      break;

    case 0x1e0b:
      byte_stream_value = 0xb8;
      break;

    case 0x1e1e:
      byte_stream_value = 0xb9;
      break;

    case 0x1e1f:
      byte_stream_value = 0xba;
      break;

    case 0x1e40:
      byte_stream_value = 0xbd;
      break;

    case 0x1e41:
      byte_stream_value = 0xc0;
      break;

    case 0x1e56:
      byte_stream_value = 0xc1;
      break;

    case 0x1e57:
      byte_stream_value = 0xc2;
      break;

    case 0x1e60:
      byte_stream_value = 0xc6;
      break;

    case 0x1e61:
      byte_stream_value = 0xd6;
      break;

    case 0x1e6a:
      byte_stream_value = 0xda;
      break;

    case 0x1e6b:
      byte_stream_value = 0xe0;
      break;

    case 0x1e80:
      byte_stream_value = 0xfc;
      break;

    case 0x1e81:
      byte_stream_value = 0xfd;
      break;

    case 0x1e82:
      byte_stream_value = 0xfe;
      break;

    case 0x1e83:
      byte_stream_value = 0xff;
      break;

    case 0x1e84:
      byte_stream_value = 0xfa;
      break;

    case 0x1e85:
      byte_stream_value = 0xfb;
      break;

    case 0x1e9b:
      byte_stream_value = 0xd7;
      break;

    case 0x1ef2:
      byte_stream_value = 0xe2;
      break;

    case 0x1ef3:
      byte_stream_value = 0xe3;
      break;

    case 0x2039:
      byte_stream_value = 0xdc;
      break;

    case 0x203a:
      byte_stream_value = 0xdd;
      break;

    case 0x204a:
      byte_stream_value = 0xe4;
      break;

    case 0x20ac:
      byte_stream_value = 0xdb;
      break;

    case 0x2122:
      byte_stream_value = 0xaa;
      break;

    case 0x2260:
      byte_stream_value = 0xad;
      break;

    case 0x2264:
      byte_stream_value = 0xb2;
      break;

    case 0x2265:
      byte_stream_value = 0xb3;
      break;

    case 0x2663:
      byte_stream_value = 0xf0;
      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		* MacGaelic 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_gaelic.h"
26		#include "libuna_libcerror.h"
27		#include "libuna_types.h"
28
29		/* Extended ASCII to Unicode character lookup table for the MacGaelic codepage
30		* Unknown are filled with the Unicode replacement character 0xfffd
31		*/
32		const uint16_t libuna_codepage_mac_gaelic_byte_stream_to_unicode_base_0x80[ 128 ] = {
33		0x00c4, 0x00c5, 0x00c7, 0x00c9, 0x00d1, 0x00d6, 0x00dc, 0x00e1,
34		0x00e0, 0x00e2, 0x00e4, 0x00e3, 0x00e5, 0x00e7, 0x00e9, 0x00e8,
35		0x00ea, 0x00eb, 0x00ed, 0x00ec, 0x00ee, 0x00ef, 0x00f1, 0x00f3,
36		0x00f2, 0x00f4, 0x00f6, 0x00f5, 0x00fa, 0x00f9, 0x00fb, 0x00fc,
37		0x2020, 0x00b0, 0x00a2, 0x00a3, 0x00a7, 0x2022, 0x00b6, 0x00df,
38		0x00ae, 0x00a9, 0x2122, 0x00b4, 0x00a8, 0x2260, 0x00c6, 0x00d8,
39		0x1e02, 0x00b1, 0x2264, 0x2265, 0x1e03, 0x010a, 0x010b, 0x1e0a,
40		0x1e0b, 0x1e1e, 0x1e1f, 0x0120, 0x0121, 0x1e40, 0x00e6, 0x00f8,
41		0x1e41, 0x1e56, 0x1e57, 0x027c, 0x0192, 0x017f, 0x1e60, 0x00ab,
42		0x00bb, 0x2026, 0x00a0, 0x00c0, 0x00c3, 0x00d5, 0x0152, 0x0153,
43		0x2013, 0x2014, 0x201c, 0x201d, 0x2018, 0x2019, 0x1e61, 0x1e9b,
44		0x00ff, 0x0178, 0x1e6a, 0x20ac, 0x2039, 0x203a, 0x0176, 0x0177,
45		0x1e6b, 0x00b7, 0x1ef2, 0x1ef3, 0x204a, 0x00c2, 0x00ca, 0x00c1,
46		0x00cb, 0x00c8, 0x00cd, 0x00ce, 0x00cf, 0x00cc, 0x00d3, 0x00d4,
47		0x2663, 0x00d2, 0x00da, 0x00db, 0x00d9, 0x0131, 0x00dd, 0x00fd,
48		0x0174, 0x0175, 0x1e84, 0x1e85, 0x1e80, 0x1e81, 0x1e82, 0x1e83
49		};
50
51		/* Unicode to ASCII character lookup tables for the MacGaelic codepage
52		* Unknown are filled with the ASCII replacement character 0x1a
53		*/
54		const uint8_t libuna_codepage_mac_gaelic_unicode_to_byte_stream_base_0x00a0[ 112 ] = {
55		0xca, 0x1a, 0xa2, 0xa3, 0x1a, 0x1a, 0x1a, 0xa4,
56		0xac, 0xa9, 0x1a, 0xc7, 0x1a, 0x1a, 0xa8, 0x1a,
57		0xa1, 0xb1, 0x1a, 0x1a, 0xab, 0x1a, 0xa6, 0xe1,
58		0x1a, 0x1a, 0x1a, 0xc8, 0x1a, 0x1a, 0x1a, 0x1a,
59		0xcb, 0xe7, 0xe5, 0xcc, 0x80, 0x81, 0xae, 0x82,
60		0xe9, 0x83, 0xe6, 0xe8, 0xed, 0xea, 0xeb, 0xec,
61		0x1a, 0x84, 0xf1, 0xee, 0xef, 0xcd, 0x85, 0x1a,
62		0xaf, 0xf4, 0xf2, 0xf3, 0x86, 0xf6, 0x1a, 0xa7,
63		0x88, 0x87, 0x89, 0x8b, 0x8a, 0x8c, 0xbe, 0x8d,
64		0x8f, 0x8e, 0x90, 0x91, 0x93, 0x92, 0x94, 0x95,
65		0x1a, 0x96, 0x98, 0x97, 0x99, 0x9b, 0x9a, 0x1a,
66		0xbf, 0x9d, 0x9c, 0x9e, 0x9f, 0xf7, 0x1a, 0xd8,
67		0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
68		0x1a, 0x1a, 0xb5, 0xb6, 0x1a, 0x1a, 0x1a, 0x1a
69		};
70
71		const uint8_t libuna_codepage_mac_gaelic_unicode_to_byte_stream_base_0x2010[ 24 ] = {
72		0x1a, 0x1a, 0x1a, 0xd0, 0xd1, 0x1a, 0x1a, 0x1a,
73		0xd4, 0xd5, 0x1a, 0x1a, 0xd2, 0xd3, 0x1a, 0x1a,
74		0xa0, 0x1a, 0xa5, 0x1a, 0x1a, 0x1a, 0xc9, 0x1a
75		};
76
77		/* Copies an Unicode character from a MacGaelic encoded byte stream
78		* Returns 1 if successful or -1 on error
79		*/
80		int libuna_codepage_mac_gaelic_copy_from_byte_stream(
81		libuna_unicode_character_t *unicode_character,
82		const uint8_t *byte_stream,
83		size_t byte_stream_size,
84		size_t *byte_stream_index,
85		libcerror_error_t **error )
86	0	{
87	0	static char *function = "libuna_codepage_mac_gaelic_copy_from_byte_stream";
88	0	libuna_unicode_character_t safe_unicode_character = 0xfffd;
89	0	size_t safe_byte_stream_index = 0;
90	0	uint8_t byte_stream_character = 0;
91
92	0	if( unicode_character == NULL )
93	0	{
94	0	libcerror_error_set(
95	0	error,
96	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
97	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
98	0	"%s: invalid Unicode character.",
99	0	function );
100
101	0	return( -1 );
102	0	}
103	0	if( byte_stream == NULL )
104	0	{
105	0	libcerror_error_set(
106	0	error,
107	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
108	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
109	0	"%s: invalid byte stream.",
110	0	function );
111
112	0	return( -1 );
113	0	}
114	0	if( byte_stream_size > (size_t) SSIZE_MAX )
115	0	{
116	0	libcerror_error_set(
117	0	error,
118	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
119	0	LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
120	0	"%s: invalid byte stream size value exceeds maximum.",
121	0	function );
122
123	0	return( -1 );
124	0	}
125	0	if( byte_stream_index == NULL )
126	0	{
127	0	libcerror_error_set(
128	0	error,
129	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
130	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
131	0	"%s: invalid byte stream index.",
132	0	function );
133
134	0	return( -1 );
135	0	}
136	0	safe_byte_stream_index = *byte_stream_index;
137
138	0	if( safe_byte_stream_index >= byte_stream_size )
139	0	{
140	0	libcerror_error_set(
141	0	error,
142	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
143	0	LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
144	0	"%s: byte stream too small.",
145	0	function );
146
147	0	return( -1 );
148	0	}
149	0	byte_stream_character = byte_stream[ safe_byte_stream_index++ ];
150
151	0	if( byte_stream_character < 0x80 )
152	0	{
153	0	safe_unicode_character = byte_stream_character;
154	0	}
155	0	else
156	0	{
157	0	byte_stream_character -= 0x80;
158
159	0	safe_unicode_character = libuna_codepage_mac_gaelic_byte_stream_to_unicode_base_0x80[ byte_stream_character ];
160	0	}
161	0	*unicode_character = safe_unicode_character;
162	0	*byte_stream_index = safe_byte_stream_index;
163
164	0	return( 1 );
165	0	}
166
167		/* Copies an Unicode character to a MacGaelic encoded byte stream
168		* Returns 1 if successful or -1 on error
169		*/
170		int libuna_codepage_mac_gaelic_copy_to_byte_stream(
171		libuna_unicode_character_t unicode_character,
172		uint8_t *byte_stream,
173		size_t byte_stream_size,
174		size_t *byte_stream_index,
175		libcerror_error_t **error )
176	0	{
177	0	static char *function = "libuna_codepage_mac_gaelic_copy_to_byte_stream";
178	0	size_t safe_byte_stream_index = 0;
179	0	uint16_t byte_stream_value = 0x001a;
180
181	0	if( byte_stream == NULL )
182	0	{
183	0	libcerror_error_set(
184	0	error,
185	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
186	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
187	0	"%s: invalid byte stream.",
188	0	function );
189
190	0	return( -1 );
191	0	}
192	0	if( byte_stream_size > (size_t) SSIZE_MAX )
193	0	{
194	0	libcerror_error_set(
195	0	error,
196	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
197	0	LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
198	0	"%s: invalid byte stream size value exceeds maximum.",
199	0	function );
200
201	0	return( -1 );
202	0	}
203	0	if( byte_stream_index == NULL )
204	0	{
205	0	libcerror_error_set(
206	0	error,
207	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
208	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
209	0	"%s: invalid byte stream index.",
210	0	function );
211
212	0	return( -1 );
213	0	}
214	0	safe_byte_stream_index = *byte_stream_index;
215
216	0	if( safe_byte_stream_index >= byte_stream_size )
217	0	{
218	0	libcerror_error_set(
219	0	error,
220	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
221	0	LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
222	0	"%s: byte stream too small.",
223	0	function );
224
225	0	return( -1 );
226	0	}
227	0	if( unicode_character < 0x0080 )
228	0	{
229	0	byte_stream_value = (uint16_t) unicode_character;
230	0	}
231	0	else if( ( unicode_character >= 0x00a0 )
232	0	&& ( unicode_character < 0x0110 ) )
233	0	{
234	0	unicode_character -= 0x00a0;
235
236	0	byte_stream_value = libuna_codepage_mac_gaelic_unicode_to_byte_stream_base_0x00a0[ unicode_character ];
237	0	}
238	0	else if( ( unicode_character >= 0x2010 )
239	0	&& ( unicode_character < 0x2028 ) )
240	0	{
241	0	unicode_character -= 0x2010;
242
243	0	byte_stream_value = libuna_codepage_mac_gaelic_unicode_to_byte_stream_base_0x2010[ unicode_character ];
244	0	}
245	0	else switch( unicode_character )
246	0	{
247	0	case 0x0120:
248	0	byte_stream_value = 0xbb;
249	0	break;
250
251	0	case 0x0121:
252	0	byte_stream_value = 0xbc;
253	0	break;
254
255	0	case 0x0131:
256	0	byte_stream_value = 0xf5;
257	0	break;
258
259	0	case 0x0152:
260	0	byte_stream_value = 0xce;
261	0	break;
262
263	0	case 0x0153:
264	0	byte_stream_value = 0xcf;
265	0	break;
266
267	0	case 0x0174:
268	0	byte_stream_value = 0xf8;
269	0	break;
270
271	0	case 0x0175:
272	0	byte_stream_value = 0xf9;
273	0	break;
274
275	0	case 0x0176:
276	0	byte_stream_value = 0xde;
277	0	break;
278
279	0	case 0x0177:
280	0	byte_stream_value = 0xdf;
281	0	break;
282
283	0	case 0x0178:
284	0	byte_stream_value = 0xd9;
285	0	break;
286
287	0	case 0x017f:
288	0	byte_stream_value = 0xc5;
289	0	break;
290
291	0	case 0x0192:
292	0	byte_stream_value = 0xc4;
293	0	break;
294
295	0	case 0x027c:
296	0	byte_stream_value = 0xc3;
297	0	break;
298
299	0	case 0x1e02:
300	0	byte_stream_value = 0xb0;
301	0	break;
302
303	0	case 0x1e03:
304	0	byte_stream_value = 0xb4;
305	0	break;
306
307	0	case 0x1e0a:
308	0	byte_stream_value = 0xb7;
309	0	break;
310
311	0	case 0x1e0b:
312	0	byte_stream_value = 0xb8;
313	0	break;
314
315	0	case 0x1e1e:
316	0	byte_stream_value = 0xb9;
317	0	break;
318
319	0	case 0x1e1f:
320	0	byte_stream_value = 0xba;
321	0	break;
322
323	0	case 0x1e40:
324	0	byte_stream_value = 0xbd;
325	0	break;
326
327	0	case 0x1e41:
328	0	byte_stream_value = 0xc0;
329	0	break;
330
331	0	case 0x1e56:
332	0	byte_stream_value = 0xc1;
333	0	break;
334
335	0	case 0x1e57:
336	0	byte_stream_value = 0xc2;
337	0	break;
338
339	0	case 0x1e60:
340	0	byte_stream_value = 0xc6;
341	0	break;
342
343	0	case 0x1e61:
344	0	byte_stream_value = 0xd6;
345	0	break;
346
347	0	case 0x1e6a:
348	0	byte_stream_value = 0xda;
349	0	break;
350
351	0	case 0x1e6b:
352	0	byte_stream_value = 0xe0;
353	0	break;
354
355	0	case 0x1e80:
356	0	byte_stream_value = 0xfc;
357	0	break;
358
359	0	case 0x1e81:
360	0	byte_stream_value = 0xfd;
361	0	break;
362
363	0	case 0x1e82:
364	0	byte_stream_value = 0xfe;
365	0	break;
366
367	0	case 0x1e83:
368	0	byte_stream_value = 0xff;
369	0	break;
370
371	0	case 0x1e84:
372	0	byte_stream_value = 0xfa;
373	0	break;
374
375	0	case 0x1e85:
376	0	byte_stream_value = 0xfb;
377	0	break;
378
379	0	case 0x1e9b:
380	0	byte_stream_value = 0xd7;
381	0	break;
382
383	0	case 0x1ef2:
384	0	byte_stream_value = 0xe2;
385	0	break;
386
387	0	case 0x1ef3:
388	0	byte_stream_value = 0xe3;
389	0	break;
390
391	0	case 0x2039:
392	0	byte_stream_value = 0xdc;
393	0	break;
394
395	0	case 0x203a:
396	0	byte_stream_value = 0xdd;
397	0	break;
398
399	0	case 0x204a:
400	0	byte_stream_value = 0xe4;
401	0	break;
402
403	0	case 0x20ac:
404	0	byte_stream_value = 0xdb;
405	0	break;
406
407	0	case 0x2122:
408	0	byte_stream_value = 0xaa;
409	0	break;
410
411	0	case 0x2260:
412	0	byte_stream_value = 0xad;
413	0	break;
414
415	0	case 0x2264:
416	0	byte_stream_value = 0xb2;
417	0	break;
418
419	0	case 0x2265:
420	0	byte_stream_value = 0xb3;
421	0	break;
422
423	0	case 0x2663:
424	0	byte_stream_value = 0xf0;
425	0	break;
426
427	0	default:
428	0	byte_stream_value = 0x1a;
429	0	break;
430	0	}
431	0	byte_stream[ safe_byte_stream_index++ ] = (uint8_t) ( byte_stream_value & 0x00ff );
432
433	0	*byte_stream_index = safe_byte_stream_index;
434
435	0	return( 1 );
436	0	}
437