/src/libfwevt/libuna/libuna_codepage_mac_arabic.c

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

/* Extended ASCII to Unicode character lookup table for the MacArabic codepage
 * Unknown are filled with the Unicode replacement character 0xfffd
 */
const uint16_t libuna_codepage_mac_arabic_byte_stream_to_unicode_base_0x80[ 128 ] = {
  0x00c4, 0x00a0, 0x00c7, 0x00c9, 0x00d1, 0x00d6, 0x00dc, 0x00e1,
  0x00e0, 0x00e2, 0x00e4, 0x06ba, 0x00ab, 0x00e7, 0x00e9, 0x00e8,
  0x00ea, 0x00eb, 0x00ed, 0x2026, 0x00ee, 0x00ef, 0x00f1, 0x00f3,
  0x00bb, 0x00f4, 0x00f6, 0x00f7, 0x00fa, 0x00f9, 0x00fb, 0x00fc,
  0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x066a, 0x0026, 0x0027,
  0x0028, 0x0029, 0x002a, 0x002b, 0x060c, 0x002d, 0x002e, 0x002f,
  0x0660, 0x0661, 0x0662, 0x0663, 0x0664, 0x0665, 0x0666, 0x0667,
  0x0668, 0x0669, 0x003a, 0x061b, 0x003c, 0x003d, 0x003e, 0x061f,
  0x274a, 0x0621, 0x0622, 0x0623, 0x0624, 0x0625, 0x0626, 0x0627,
  0x0628, 0x0629, 0x062a, 0x062b, 0x062c, 0x062d, 0x062e, 0x062f,
  0x0630, 0x0631, 0x0632, 0x0633, 0x0634, 0x0635, 0x0636, 0x0637,
  0x0638, 0x0639, 0x063a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f,
  0x0640, 0x0641, 0x0642, 0x0643, 0x0644, 0x0645, 0x0646, 0x0647,
  0x0648, 0x0649, 0x064a, 0x064b, 0x064c, 0x064d, 0x064e, 0x064f,
  0x0650, 0x0651, 0x0652, 0x067e, 0x0679, 0x0686, 0x06d5, 0x06a4,
  0x06af, 0x0688, 0x0691, 0x007b, 0x007c, 0x007d, 0x0698, 0x06d2
};

/* Unicode to ASCII character lookup tables for the MacArabic codepage
 * Unknown are filled with the ASCII replacement character 0x1a
 */
const uint8_t libuna_codepage_mac_arabic_unicode_to_byte_stream_base_0x0020[ 32 ] = {
  0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0x25, 0xa6, 0xa7,
  0xa8, 0xa9, 0xaa, 0xab, 0x2c, 0xad, 0xae, 0xaf,
  0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
  0x38, 0x39, 0xba, 0x3b, 0xbc, 0xbd, 0xbe, 0x3f
};

const uint8_t libuna_codepage_mac_arabic_unicode_to_byte_stream_base_0x00a0[ 96 ] = {
  0x81, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0x1a, 0x1a, 0x8c, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0x1a, 0x1a, 0x98, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0x1a, 0x1a, 0x1a, 0x80, 0x1a, 0x1a, 0x82,
  0x1a, 0x83, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0x84, 0x1a, 0x1a, 0x1a, 0x1a, 0x85, 0x1a,
  0x1a, 0x1a, 0x1a, 0x1a, 0x86, 0x1a, 0x1a, 0x1a,
  0x88, 0x87, 0x89, 0x1a, 0x8a, 0x1a, 0x1a, 0x8d,
  0x8f, 0x8e, 0x90, 0x91, 0x1a, 0x92, 0x94, 0x95,
  0x1a, 0x96, 0x1a, 0x97, 0x99, 0x1a, 0x9a, 0x9b,
  0x1a, 0x9d, 0x9c, 0x9e, 0x9f, 0x1a, 0x1a, 0x1a
};

const uint8_t libuna_codepage_mac_arabic_unicode_to_byte_stream_base_0x0608[ 184 ] = {
  0x1a, 0x1a, 0x1a, 0x1a, 0xac, 0x1a, 0x1a, 0x1a,
  0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0x1a, 0x1a, 0xbb, 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, 0xd7,
  0xd8, 0xd9, 0xda, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
  0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
  0xf0, 0xf1, 0xf2, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
  0xb8, 0xb9, 0xa5, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0xf4, 0x1a, 0x1a, 0x1a, 0x1a, 0xf3, 0x1a,
  0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0xf5, 0x1a,
  0xf9, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0xfa, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0xfe, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0x1a, 0x1a, 0x1a, 0xf7, 0x1a, 0x1a, 0x1a,
  0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0xf8,
  0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0x1a, 0x8b, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a
};

/* Copies an Unicode character from a MacArabic encoded byte stream
 * Returns 1 if successful or -1 on error
 */
int libuna_codepage_mac_arabic_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_arabic_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_arabic_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 MacArabic encoded byte stream
 * Returns 1 if successful or -1 on error
 */
int libuna_codepage_mac_arabic_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_arabic_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 < 0x0020 )
  {
    byte_stream_value = (uint16_t) unicode_character;
  }
  else if( ( unicode_character >= 0x0020 )
        && ( unicode_character < 0x0040 ) )
  {
    unicode_character -= 0x0020;

    byte_stream_value = libuna_codepage_mac_arabic_unicode_to_byte_stream_base_0x0020[ unicode_character ];
  }
  else if( ( unicode_character >= 0x0040 )
        && ( unicode_character < 0x005b ) )
  {
    byte_stream_value = (uint16_t) unicode_character;
  }
  else if( ( unicode_character >= 0x0060 )
        && ( unicode_character < 0x007b ) )
  {
    byte_stream_value = (uint16_t) unicode_character;
  }
  else if( ( unicode_character >= 0x007e )
        && ( 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_arabic_unicode_to_byte_stream_base_0x00a0[ unicode_character ];
  }
  else if( ( unicode_character >= 0x0608 )
        && ( unicode_character < 0x06c0 ) )
  {
    unicode_character -= 0x0608;

    byte_stream_value = libuna_codepage_mac_arabic_unicode_to_byte_stream_base_0x0608[ unicode_character ];
  }
  else switch( unicode_character )
  {
    case 0x005b:
      byte_stream_value = 0xdb;
      break;

    case 0x005c:
      byte_stream_value = 0xdc;
      break;

    case 0x005d:
      byte_stream_value = 0xdd;
      break;

    case 0x005e:
      byte_stream_value = 0xde;
      break;

    case 0x005f:
      byte_stream_value = 0xdf;
      break;

    case 0x007b:
      byte_stream_value = 0xfb;
      break;

    case 0x007c:
      byte_stream_value = 0xfc;
      break;

    case 0x007d:
      byte_stream_value = 0xfd;
      break;

    case 0x06d2:
      byte_stream_value = 0xff;
      break;

    case 0x06d5:
      byte_stream_value = 0xf6;
      break;

    case 0x2026:
      byte_stream_value = 0x93;
      break;

    case 0x274a:
      byte_stream_value = 0xc0;
      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		* MacArabic 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_arabic.h"
26		#include "libuna_libcerror.h"
27		#include "libuna_types.h"
28
29		/* Extended ASCII to Unicode character lookup table for the MacArabic codepage
30		* Unknown are filled with the Unicode replacement character 0xfffd
31		*/
32		const uint16_t libuna_codepage_mac_arabic_byte_stream_to_unicode_base_0x80[ 128 ] = {
33		0x00c4, 0x00a0, 0x00c7, 0x00c9, 0x00d1, 0x00d6, 0x00dc, 0x00e1,
34		0x00e0, 0x00e2, 0x00e4, 0x06ba, 0x00ab, 0x00e7, 0x00e9, 0x00e8,
35		0x00ea, 0x00eb, 0x00ed, 0x2026, 0x00ee, 0x00ef, 0x00f1, 0x00f3,
36		0x00bb, 0x00f4, 0x00f6, 0x00f7, 0x00fa, 0x00f9, 0x00fb, 0x00fc,
37		0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x066a, 0x0026, 0x0027,
38		0x0028, 0x0029, 0x002a, 0x002b, 0x060c, 0x002d, 0x002e, 0x002f,
39		0x0660, 0x0661, 0x0662, 0x0663, 0x0664, 0x0665, 0x0666, 0x0667,
40		0x0668, 0x0669, 0x003a, 0x061b, 0x003c, 0x003d, 0x003e, 0x061f,
41		0x274a, 0x0621, 0x0622, 0x0623, 0x0624, 0x0625, 0x0626, 0x0627,
42		0x0628, 0x0629, 0x062a, 0x062b, 0x062c, 0x062d, 0x062e, 0x062f,
43		0x0630, 0x0631, 0x0632, 0x0633, 0x0634, 0x0635, 0x0636, 0x0637,
44		0x0638, 0x0639, 0x063a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f,
45		0x0640, 0x0641, 0x0642, 0x0643, 0x0644, 0x0645, 0x0646, 0x0647,
46		0x0648, 0x0649, 0x064a, 0x064b, 0x064c, 0x064d, 0x064e, 0x064f,
47		0x0650, 0x0651, 0x0652, 0x067e, 0x0679, 0x0686, 0x06d5, 0x06a4,
48		0x06af, 0x0688, 0x0691, 0x007b, 0x007c, 0x007d, 0x0698, 0x06d2
49		};
50
51		/* Unicode to ASCII character lookup tables for the MacArabic codepage
52		* Unknown are filled with the ASCII replacement character 0x1a
53		*/
54		const uint8_t libuna_codepage_mac_arabic_unicode_to_byte_stream_base_0x0020[ 32 ] = {
55		0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0x25, 0xa6, 0xa7,
56		0xa8, 0xa9, 0xaa, 0xab, 0x2c, 0xad, 0xae, 0xaf,
57		0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
58		0x38, 0x39, 0xba, 0x3b, 0xbc, 0xbd, 0xbe, 0x3f
59		};
60
61		const uint8_t libuna_codepage_mac_arabic_unicode_to_byte_stream_base_0x00a0[ 96 ] = {
62		0x81, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
63		0x1a, 0x1a, 0x1a, 0x8c, 0x1a, 0x1a, 0x1a, 0x1a,
64		0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
65		0x1a, 0x1a, 0x1a, 0x98, 0x1a, 0x1a, 0x1a, 0x1a,
66		0x1a, 0x1a, 0x1a, 0x1a, 0x80, 0x1a, 0x1a, 0x82,
67		0x1a, 0x83, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
68		0x1a, 0x84, 0x1a, 0x1a, 0x1a, 0x1a, 0x85, 0x1a,
69		0x1a, 0x1a, 0x1a, 0x1a, 0x86, 0x1a, 0x1a, 0x1a,
70		0x88, 0x87, 0x89, 0x1a, 0x8a, 0x1a, 0x1a, 0x8d,
71		0x8f, 0x8e, 0x90, 0x91, 0x1a, 0x92, 0x94, 0x95,
72		0x1a, 0x96, 0x1a, 0x97, 0x99, 0x1a, 0x9a, 0x9b,
73		0x1a, 0x9d, 0x9c, 0x9e, 0x9f, 0x1a, 0x1a, 0x1a
74		};
75
76		const uint8_t libuna_codepage_mac_arabic_unicode_to_byte_stream_base_0x0608[ 184 ] = {
77		0x1a, 0x1a, 0x1a, 0x1a, 0xac, 0x1a, 0x1a, 0x1a,
78		0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
79		0x1a, 0x1a, 0x1a, 0xbb, 0x1a, 0x1a, 0x1a, 0xbf,
80		0x1a, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
81		0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
82		0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
83		0xd8, 0xd9, 0xda, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
84		0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
85		0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
86		0xf0, 0xf1, 0xf2, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
87		0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
88		0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
89		0xb8, 0xb9, 0xa5, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
90		0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
91		0x1a, 0xf4, 0x1a, 0x1a, 0x1a, 0x1a, 0xf3, 0x1a,
92		0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0xf5, 0x1a,
93		0xf9, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
94		0x1a, 0xfa, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
95		0xfe, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
96		0x1a, 0x1a, 0x1a, 0x1a, 0xf7, 0x1a, 0x1a, 0x1a,
97		0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0xf8,
98		0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
99		0x1a, 0x1a, 0x8b, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a
100		};
101
102		/* Copies an Unicode character from a MacArabic encoded byte stream
103		* Returns 1 if successful or -1 on error
104		*/
105		int libuna_codepage_mac_arabic_copy_from_byte_stream(
106		libuna_unicode_character_t *unicode_character,
107		const uint8_t *byte_stream,
108		size_t byte_stream_size,
109		size_t *byte_stream_index,
110		libcerror_error_t **error )
111	0	{
112	0	static char *function = "libuna_codepage_mac_arabic_copy_from_byte_stream";
113	0	libuna_unicode_character_t safe_unicode_character = 0xfffd;
114	0	size_t safe_byte_stream_index = 0;
115	0	uint8_t byte_stream_character = 0;
116
117	0	if( unicode_character == NULL )
118	0	{
119	0	libcerror_error_set(
120	0	error,
121	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
122	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
123	0	"%s: invalid Unicode character.",
124	0	function );
125
126	0	return( -1 );
127	0	}
128	0	if( byte_stream == NULL )
129	0	{
130	0	libcerror_error_set(
131	0	error,
132	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
133	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
134	0	"%s: invalid byte stream.",
135	0	function );
136
137	0	return( -1 );
138	0	}
139	0	if( byte_stream_size > (size_t) SSIZE_MAX )
140	0	{
141	0	libcerror_error_set(
142	0	error,
143	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
144	0	LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
145	0	"%s: invalid byte stream size value exceeds maximum.",
146	0	function );
147
148	0	return( -1 );
149	0	}
150	0	if( byte_stream_index == NULL )
151	0	{
152	0	libcerror_error_set(
153	0	error,
154	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
155	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
156	0	"%s: invalid byte stream index.",
157	0	function );
158
159	0	return( -1 );
160	0	}
161	0	safe_byte_stream_index = *byte_stream_index;
162
163	0	if( safe_byte_stream_index >= byte_stream_size )
164	0	{
165	0	libcerror_error_set(
166	0	error,
167	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
168	0	LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
169	0	"%s: byte stream too small.",
170	0	function );
171
172	0	return( -1 );
173	0	}
174	0	byte_stream_character = byte_stream[ safe_byte_stream_index++ ];
175
176	0	if( byte_stream_character < 0x80 )
177	0	{
178	0	safe_unicode_character = byte_stream_character;
179	0	}
180	0	else
181	0	{
182	0	byte_stream_character -= 0x80;
183
184	0	safe_unicode_character = libuna_codepage_mac_arabic_byte_stream_to_unicode_base_0x80[ byte_stream_character ];
185	0	}
186	0	*unicode_character = safe_unicode_character;
187	0	*byte_stream_index = safe_byte_stream_index;
188
189	0	return( 1 );
190	0	}
191
192		/* Copies an Unicode character to a MacArabic encoded byte stream
193		* Returns 1 if successful or -1 on error
194		*/
195		int libuna_codepage_mac_arabic_copy_to_byte_stream(
196		libuna_unicode_character_t unicode_character,
197		uint8_t *byte_stream,
198		size_t byte_stream_size,
199		size_t *byte_stream_index,
200		libcerror_error_t **error )
201	0	{
202	0	static char *function = "libuna_codepage_mac_arabic_copy_to_byte_stream";
203	0	size_t safe_byte_stream_index = 0;
204	0	uint16_t byte_stream_value = 0x001a;
205
206	0	if( byte_stream == NULL )
207	0	{
208	0	libcerror_error_set(
209	0	error,
210	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
211	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
212	0	"%s: invalid byte stream.",
213	0	function );
214
215	0	return( -1 );
216	0	}
217	0	if( byte_stream_size > (size_t) SSIZE_MAX )
218	0	{
219	0	libcerror_error_set(
220	0	error,
221	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
222	0	LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
223	0	"%s: invalid byte stream size value exceeds maximum.",
224	0	function );
225
226	0	return( -1 );
227	0	}
228	0	if( byte_stream_index == NULL )
229	0	{
230	0	libcerror_error_set(
231	0	error,
232	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
233	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
234	0	"%s: invalid byte stream index.",
235	0	function );
236
237	0	return( -1 );
238	0	}
239	0	safe_byte_stream_index = *byte_stream_index;
240
241	0	if( safe_byte_stream_index >= byte_stream_size )
242	0	{
243	0	libcerror_error_set(
244	0	error,
245	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
246	0	LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
247	0	"%s: byte stream too small.",
248	0	function );
249
250	0	return( -1 );
251	0	}
252	0	if( unicode_character < 0x0020 )
253	0	{
254	0	byte_stream_value = (uint16_t) unicode_character;
255	0	}
256	0	else if( ( unicode_character >= 0x0020 )
257	0	&& ( unicode_character < 0x0040 ) )
258	0	{
259	0	unicode_character -= 0x0020;
260
261	0	byte_stream_value = libuna_codepage_mac_arabic_unicode_to_byte_stream_base_0x0020[ unicode_character ];
262	0	}
263	0	else if( ( unicode_character >= 0x0040 )
264	0	&& ( unicode_character < 0x005b ) )
265	0	{
266	0	byte_stream_value = (uint16_t) unicode_character;
267	0	}
268	0	else if( ( unicode_character >= 0x0060 )
269	0	&& ( unicode_character < 0x007b ) )
270	0	{
271	0	byte_stream_value = (uint16_t) unicode_character;
272	0	}
273	0	else if( ( unicode_character >= 0x007e )
274	0	&& ( unicode_character < 0x0080 ) )
275	0	{
276	0	byte_stream_value = (uint16_t) unicode_character;
277	0	}
278	0	else if( ( unicode_character >= 0x00a0 )
279	0	&& ( unicode_character < 0x0100 ) )
280	0	{
281	0	unicode_character -= 0x00a0;
282
283	0	byte_stream_value = libuna_codepage_mac_arabic_unicode_to_byte_stream_base_0x00a0[ unicode_character ];
284	0	}
285	0	else if( ( unicode_character >= 0x0608 )
286	0	&& ( unicode_character < 0x06c0 ) )
287	0	{
288	0	unicode_character -= 0x0608;
289
290	0	byte_stream_value = libuna_codepage_mac_arabic_unicode_to_byte_stream_base_0x0608[ unicode_character ];
291	0	}
292	0	else switch( unicode_character )
293	0	{
294	0	case 0x005b:
295	0	byte_stream_value = 0xdb;
296	0	break;
297
298	0	case 0x005c:
299	0	byte_stream_value = 0xdc;
300	0	break;
301
302	0	case 0x005d:
303	0	byte_stream_value = 0xdd;
304	0	break;
305
306	0	case 0x005e:
307	0	byte_stream_value = 0xde;
308	0	break;
309
310	0	case 0x005f:
311	0	byte_stream_value = 0xdf;
312	0	break;
313
314	0	case 0x007b:
315	0	byte_stream_value = 0xfb;
316	0	break;
317
318	0	case 0x007c:
319	0	byte_stream_value = 0xfc;
320	0	break;
321
322	0	case 0x007d:
323	0	byte_stream_value = 0xfd;
324	0	break;
325
326	0	case 0x06d2:
327	0	byte_stream_value = 0xff;
328	0	break;
329
330	0	case 0x06d5:
331	0	byte_stream_value = 0xf6;
332	0	break;
333
334	0	case 0x2026:
335	0	byte_stream_value = 0x93;
336	0	break;
337
338	0	case 0x274a:
339	0	byte_stream_value = 0xc0;
340	0	break;
341
342	0	default:
343	0	byte_stream_value = 0x1a;
344	0	break;
345	0	}
346	0	byte_stream[ safe_byte_stream_index++ ] = (uint8_t) ( byte_stream_value & 0x00ff );
347
348	0	*byte_stream_index = safe_byte_stream_index;
349
350	0	return( 1 );
351	0	}
352