/src/libfvde/libuna/libuna_codepage_windows_1250.c

Source (jump to first uncovered line)
/*
 * Windows 1250 codepage (Central European) 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_1250.h"
#include "libuna_libcerror.h"
#include "libuna_types.h"

/* Extended ASCII to Unicode character lookup table for the Windows 1250 codepage
 * Unknown are filled with the Unicode replacement character 0xfffd
 */
const uint16_t libuna_codepage_windows_1250_byte_stream_to_unicode_base_0x80[ 128 ] = {
  0x20ac, 0xfffd, 0x201a, 0xfffd, 0x201e, 0x2026, 0x2020, 0x2021,
  0xfffd, 0x2030, 0x0160, 0x2039, 0x015a, 0x0164, 0x017d, 0x0179,
  0xfffd, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
  0xfffd, 0x2122, 0x0161, 0x203a, 0x015b, 0x0165, 0x017e, 0x017a,
  0x00a0, 0x02c7, 0x02d8, 0x0141, 0x00a4, 0x0104, 0x00a6, 0x00a7,
  0x00a8, 0x00a9, 0x015e, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x017b,
  0x00b0, 0x00b1, 0x02db, 0x0142, 0x00b4, 0x00b5, 0x00b6, 0x00b7,
  0x00b8, 0x0105, 0x015f, 0x00bb, 0x013d, 0x02dd, 0x013e, 0x017c,
  0x0154, 0x00c1, 0x00c2, 0x0102, 0x00c4, 0x0139, 0x0106, 0x00c7,
  0x010c, 0x00c9, 0x0118, 0x00cb, 0x011a, 0x00cd, 0x00ce, 0x010e,
  0x0110, 0x0143, 0x0147, 0x00d3, 0x00d4, 0x0150, 0x00d6, 0x00d7,
  0x0158, 0x016e, 0x00da, 0x0170, 0x00dc, 0x00dd, 0x0162, 0x00df,
  0x0155, 0x00e1, 0x00e2, 0x0103, 0x00e4, 0x013a, 0x0107, 0x00e7,
  0x010d, 0x00e9, 0x0119, 0x00eb, 0x011b, 0x00ed, 0x00ee, 0x010f,
  0x0111, 0x0144, 0x0148, 0x00f3, 0x00f4, 0x0151, 0x00f6, 0x00f7,
  0x0159, 0x016f, 0x00fa, 0x0171, 0x00fc, 0x00fd, 0x0163, 0x02d9
};

/* Unicode to ASCII character lookup tables for the Windows 1250 codepage
 * Unknown are filled with the ASCII replacement character 0x1a
 */
const uint8_t libuna_codepage_windows_1250_unicode_to_byte_stream_base_0x00a0[ 128 ] = {
  0xa0, 0x1a, 0x1a, 0x1a, 0xa4, 0x1a, 0xa6, 0xa7,
  0xa8, 0xa9, 0x1a, 0xab, 0xac, 0xad, 0xae, 0x1a,
  0xb0, 0xb1, 0x1a, 0x1a, 0xb4, 0xb5, 0xb6, 0xb7,
  0xb8, 0x1a, 0x1a, 0xbb, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0xc1, 0xc2, 0x1a, 0xc4, 0x1a, 0x1a, 0xc7,
  0x1a, 0xc9, 0x1a, 0xcb, 0x1a, 0xcd, 0xce, 0x1a,
  0x1a, 0x1a, 0x1a, 0xd3, 0xd4, 0x1a, 0xd6, 0xd7,
  0x1a, 0x1a, 0xda, 0x1a, 0xdc, 0xdd, 0x1a, 0xdf,
  0x1a, 0xe1, 0xe2, 0x1a, 0xe4, 0x1a, 0x1a, 0xe7,
  0x1a, 0xe9, 0x1a, 0xeb, 0x1a, 0xed, 0xee, 0x1a,
  0x1a, 0x1a, 0x1a, 0xf3, 0xf4, 0x1a, 0xf6, 0xf7,
  0x1a, 0x1a, 0xfa, 0x1a, 0xfc, 0xfd, 0x1a, 0x1a,
  0x1a, 0x1a, 0xc3, 0xe3, 0xa5, 0xb9, 0xc6, 0xe6,
  0x1a, 0x1a, 0x1a, 0x1a, 0xc8, 0xe8, 0xcf, 0xef,
  0xd0, 0xf0, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0xca, 0xea, 0xcc, 0xec, 0x1a, 0x1a, 0x1a, 0x1a
};

const uint8_t libuna_codepage_windows_1250_unicode_to_byte_stream_base_0x0138[ 72 ] = {
  0x1a, 0xc5, 0xe5, 0x1a, 0x1a, 0xbc, 0xbe, 0x1a,
  0x1a, 0xa3, 0xb3, 0xd1, 0xf1, 0x1a, 0x1a, 0xd2,
  0xf2, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0xd5, 0xf5, 0x1a, 0x1a, 0xc0, 0xe0, 0x1a, 0x1a,
  0xd8, 0xf8, 0x8c, 0x9c, 0x1a, 0x1a, 0xaa, 0xba,
  0x8a, 0x9a, 0xde, 0xfe, 0x8d, 0x9d, 0x1a, 0x1a,
  0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0xd9, 0xf9,
  0xdb, 0xfb, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0x8f, 0x9f, 0xaf, 0xbf, 0x8e, 0x9e, 0x1a
};

const uint8_t libuna_codepage_windows_1250_unicode_to_byte_stream_base_0x02d8[ 8 ] = {
  0xa2, 0xff, 0x1a, 0xb2, 0x1a, 0xbd, 0x1a, 0x1a
};

const uint8_t libuna_codepage_windows_1250_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
};

const uint8_t libuna_codepage_windows_1250_unicode_to_byte_stream_base_0x2030[ 16 ] = {
  0x89, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
  0x1a, 0x8b, 0x9b, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a
};

/* Copies an Unicode character from a Windows 1250 encoded byte stream
 * Returns 1 if successful or -1 on error
 */
int libuna_codepage_windows_1250_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_1250_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_1250_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 1250 encoded byte stream
 * Returns 1 if successful or -1 on error
 */
int libuna_codepage_windows_1250_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_1250_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 < 0x0120 ) )
  {
    unicode_character -= 0x00a0;

    byte_stream_value = libuna_codepage_windows_1250_unicode_to_byte_stream_base_0x00a0[ unicode_character ];
  }
  else if( ( unicode_character >= 0x0138 )
        && ( unicode_character < 0x0180 ) )
  {
    unicode_character -= 0x0138;

    byte_stream_value = libuna_codepage_windows_1250_unicode_to_byte_stream_base_0x0138[ unicode_character ];
  }
  else if( ( unicode_character >= 0x02d8 )
        && ( unicode_character < 0x02e0 ) )
  {
    unicode_character -= 0x02d8;

    byte_stream_value = libuna_codepage_windows_1250_unicode_to_byte_stream_base_0x02d8[ unicode_character ];
  }
  else if( ( unicode_character >= 0x2010 )
        && ( unicode_character < 0x2028 ) )
  {
    unicode_character -= 0x2010;

    byte_stream_value = libuna_codepage_windows_1250_unicode_to_byte_stream_base_0x2010[ unicode_character ];
  }
  else if( ( unicode_character >= 0x2030 )
        && ( unicode_character < 0x2040 ) )
  {
    unicode_character -= 0x2030;

    byte_stream_value = libuna_codepage_windows_1250_unicode_to_byte_stream_base_0x2030[ unicode_character ];
  }
  else switch( unicode_character )
  {
    case 0x02c7:
      byte_stream_value = 0xa1;
      break;

    case 0x20ac:
      byte_stream_value = 0x80;
      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: 2024-06-12 07:07

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Windows 1250 codepage (Central European) 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_1250.h"
26		#include "libuna_libcerror.h"
27		#include "libuna_types.h"
28
29		/* Extended ASCII to Unicode character lookup table for the Windows 1250 codepage
30		* Unknown are filled with the Unicode replacement character 0xfffd
31		*/
32		const uint16_t libuna_codepage_windows_1250_byte_stream_to_unicode_base_0x80[ 128 ] = {
33		0x20ac, 0xfffd, 0x201a, 0xfffd, 0x201e, 0x2026, 0x2020, 0x2021,
34		0xfffd, 0x2030, 0x0160, 0x2039, 0x015a, 0x0164, 0x017d, 0x0179,
35		0xfffd, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
36		0xfffd, 0x2122, 0x0161, 0x203a, 0x015b, 0x0165, 0x017e, 0x017a,
37		0x00a0, 0x02c7, 0x02d8, 0x0141, 0x00a4, 0x0104, 0x00a6, 0x00a7,
38		0x00a8, 0x00a9, 0x015e, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x017b,
39		0x00b0, 0x00b1, 0x02db, 0x0142, 0x00b4, 0x00b5, 0x00b6, 0x00b7,
40		0x00b8, 0x0105, 0x015f, 0x00bb, 0x013d, 0x02dd, 0x013e, 0x017c,
41		0x0154, 0x00c1, 0x00c2, 0x0102, 0x00c4, 0x0139, 0x0106, 0x00c7,
42		0x010c, 0x00c9, 0x0118, 0x00cb, 0x011a, 0x00cd, 0x00ce, 0x010e,
43		0x0110, 0x0143, 0x0147, 0x00d3, 0x00d4, 0x0150, 0x00d6, 0x00d7,
44		0x0158, 0x016e, 0x00da, 0x0170, 0x00dc, 0x00dd, 0x0162, 0x00df,
45		0x0155, 0x00e1, 0x00e2, 0x0103, 0x00e4, 0x013a, 0x0107, 0x00e7,
46		0x010d, 0x00e9, 0x0119, 0x00eb, 0x011b, 0x00ed, 0x00ee, 0x010f,
47		0x0111, 0x0144, 0x0148, 0x00f3, 0x00f4, 0x0151, 0x00f6, 0x00f7,
48		0x0159, 0x016f, 0x00fa, 0x0171, 0x00fc, 0x00fd, 0x0163, 0x02d9
49		};
50
51		/* Unicode to ASCII character lookup tables for the Windows 1250 codepage
52		* Unknown are filled with the ASCII replacement character 0x1a
53		*/
54		const uint8_t libuna_codepage_windows_1250_unicode_to_byte_stream_base_0x00a0[ 128 ] = {
55		0xa0, 0x1a, 0x1a, 0x1a, 0xa4, 0x1a, 0xa6, 0xa7,
56		0xa8, 0xa9, 0x1a, 0xab, 0xac, 0xad, 0xae, 0x1a,
57		0xb0, 0xb1, 0x1a, 0x1a, 0xb4, 0xb5, 0xb6, 0xb7,
58		0xb8, 0x1a, 0x1a, 0xbb, 0x1a, 0x1a, 0x1a, 0x1a,
59		0x1a, 0xc1, 0xc2, 0x1a, 0xc4, 0x1a, 0x1a, 0xc7,
60		0x1a, 0xc9, 0x1a, 0xcb, 0x1a, 0xcd, 0xce, 0x1a,
61		0x1a, 0x1a, 0x1a, 0xd3, 0xd4, 0x1a, 0xd6, 0xd7,
62		0x1a, 0x1a, 0xda, 0x1a, 0xdc, 0xdd, 0x1a, 0xdf,
63		0x1a, 0xe1, 0xe2, 0x1a, 0xe4, 0x1a, 0x1a, 0xe7,
64		0x1a, 0xe9, 0x1a, 0xeb, 0x1a, 0xed, 0xee, 0x1a,
65		0x1a, 0x1a, 0x1a, 0xf3, 0xf4, 0x1a, 0xf6, 0xf7,
66		0x1a, 0x1a, 0xfa, 0x1a, 0xfc, 0xfd, 0x1a, 0x1a,
67		0x1a, 0x1a, 0xc3, 0xe3, 0xa5, 0xb9, 0xc6, 0xe6,
68		0x1a, 0x1a, 0x1a, 0x1a, 0xc8, 0xe8, 0xcf, 0xef,
69		0xd0, 0xf0, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
70		0xca, 0xea, 0xcc, 0xec, 0x1a, 0x1a, 0x1a, 0x1a
71		};
72
73		const uint8_t libuna_codepage_windows_1250_unicode_to_byte_stream_base_0x0138[ 72 ] = {
74		0x1a, 0xc5, 0xe5, 0x1a, 0x1a, 0xbc, 0xbe, 0x1a,
75		0x1a, 0xa3, 0xb3, 0xd1, 0xf1, 0x1a, 0x1a, 0xd2,
76		0xf2, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
77		0xd5, 0xf5, 0x1a, 0x1a, 0xc0, 0xe0, 0x1a, 0x1a,
78		0xd8, 0xf8, 0x8c, 0x9c, 0x1a, 0x1a, 0xaa, 0xba,
79		0x8a, 0x9a, 0xde, 0xfe, 0x8d, 0x9d, 0x1a, 0x1a,
80		0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0xd9, 0xf9,
81		0xdb, 0xfb, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
82		0x1a, 0x8f, 0x9f, 0xaf, 0xbf, 0x8e, 0x9e, 0x1a
83		};
84
85		const uint8_t libuna_codepage_windows_1250_unicode_to_byte_stream_base_0x02d8[ 8 ] = {
86		0xa2, 0xff, 0x1a, 0xb2, 0x1a, 0xbd, 0x1a, 0x1a
87		};
88
89		const uint8_t libuna_codepage_windows_1250_unicode_to_byte_stream_base_0x2010[ 24 ] = {
90		0x1a, 0x1a, 0x1a, 0x96, 0x97, 0x1a, 0x1a, 0x1a,
91		0x91, 0x92, 0x82, 0x1a, 0x93, 0x94, 0x84, 0x1a,
92		0x86, 0x87, 0x95, 0x1a, 0x1a, 0x1a, 0x85, 0x1a
93		};
94
95		const uint8_t libuna_codepage_windows_1250_unicode_to_byte_stream_base_0x2030[ 16 ] = {
96		0x89, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a,
97		0x1a, 0x8b, 0x9b, 0x1a, 0x1a, 0x1a, 0x1a, 0x1a
98		};
99
100		/* Copies an Unicode character from a Windows 1250 encoded byte stream
101		* Returns 1 if successful or -1 on error
102		*/
103		int libuna_codepage_windows_1250_copy_from_byte_stream(
104		libuna_unicode_character_t *unicode_character,
105		const uint8_t *byte_stream,
106		size_t byte_stream_size,
107		size_t *byte_stream_index,
108		libcerror_error_t **error )
109	0	{
110	0	static char *function = "libuna_codepage_windows_1250_copy_from_byte_stream";
111	0	libuna_unicode_character_t safe_unicode_character = 0xfffd;
112	0	size_t safe_byte_stream_index = 0;
113	0	uint8_t byte_stream_character = 0;
114
115	0	if( unicode_character == NULL )
116	0	{
117	0	libcerror_error_set(
118	0	error,
119	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
120	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
121	0	"%s: invalid Unicode character.",
122	0	function );
123
124	0	return( -1 );
125	0	}
126	0	if( byte_stream == NULL )
127	0	{
128	0	libcerror_error_set(
129	0	error,
130	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
131	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
132	0	"%s: invalid byte stream.",
133	0	function );
134
135	0	return( -1 );
136	0	}
137	0	if( byte_stream_size > (size_t) SSIZE_MAX )
138	0	{
139	0	libcerror_error_set(
140	0	error,
141	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
142	0	LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
143	0	"%s: invalid byte stream size value exceeds maximum.",
144	0	function );
145
146	0	return( -1 );
147	0	}
148	0	if( byte_stream_index == NULL )
149	0	{
150	0	libcerror_error_set(
151	0	error,
152	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
153	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
154	0	"%s: invalid byte stream index.",
155	0	function );
156
157	0	return( -1 );
158	0	}
159	0	safe_byte_stream_index = *byte_stream_index;
160
161	0	if( safe_byte_stream_index >= byte_stream_size )
162	0	{
163	0	libcerror_error_set(
164	0	error,
165	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
166	0	LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
167	0	"%s: byte stream too small.",
168	0	function );
169
170	0	return( -1 );
171	0	}
172	0	byte_stream_character = byte_stream[ safe_byte_stream_index++ ];
173
174	0	if( byte_stream_character < 0x80 )
175	0	{
176	0	safe_unicode_character = byte_stream_character;
177	0	}
178	0	else
179	0	{
180	0	byte_stream_character -= 0x80;
181
182	0	safe_unicode_character = libuna_codepage_windows_1250_byte_stream_to_unicode_base_0x80[ byte_stream_character ];
183	0	}
184	0	*unicode_character = safe_unicode_character;
185	0	*byte_stream_index = safe_byte_stream_index;
186
187	0	return( 1 );
188	0	}
189
190		/* Copies an Unicode character to a Windows 1250 encoded byte stream
191		* Returns 1 if successful or -1 on error
192		*/
193		int libuna_codepage_windows_1250_copy_to_byte_stream(
194		libuna_unicode_character_t unicode_character,
195		uint8_t *byte_stream,
196		size_t byte_stream_size,
197		size_t *byte_stream_index,
198		libcerror_error_t **error )
199	0	{
200	0	static char *function = "libuna_codepage_windows_1250_copy_to_byte_stream";
201	0	size_t safe_byte_stream_index = 0;
202	0	uint16_t byte_stream_value = 0x001a;
203
204	0	if( byte_stream == NULL )
205	0	{
206	0	libcerror_error_set(
207	0	error,
208	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
209	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
210	0	"%s: invalid byte stream.",
211	0	function );
212
213	0	return( -1 );
214	0	}
215	0	if( byte_stream_size > (size_t) SSIZE_MAX )
216	0	{
217	0	libcerror_error_set(
218	0	error,
219	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
220	0	LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
221	0	"%s: invalid byte stream size value exceeds maximum.",
222	0	function );
223
224	0	return( -1 );
225	0	}
226	0	if( byte_stream_index == NULL )
227	0	{
228	0	libcerror_error_set(
229	0	error,
230	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
231	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
232	0	"%s: invalid byte stream index.",
233	0	function );
234
235	0	return( -1 );
236	0	}
237	0	safe_byte_stream_index = *byte_stream_index;
238
239	0	if( safe_byte_stream_index >= byte_stream_size )
240	0	{
241	0	libcerror_error_set(
242	0	error,
243	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
244	0	LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
245	0	"%s: byte stream too small.",
246	0	function );
247
248	0	return( -1 );
249	0	}
250	0	if( unicode_character < 0x0080 )
251	0	{
252	0	byte_stream_value = (uint16_t) unicode_character;
253	0	}
254	0	else if( ( unicode_character >= 0x00a0 )
255	0	&& ( unicode_character < 0x0120 ) )
256	0	{
257	0	unicode_character -= 0x00a0;
258
259	0	byte_stream_value = libuna_codepage_windows_1250_unicode_to_byte_stream_base_0x00a0[ unicode_character ];
260	0	}
261	0	else if( ( unicode_character >= 0x0138 )
262	0	&& ( unicode_character < 0x0180 ) )
263	0	{
264	0	unicode_character -= 0x0138;
265
266	0	byte_stream_value = libuna_codepage_windows_1250_unicode_to_byte_stream_base_0x0138[ unicode_character ];
267	0	}
268	0	else if( ( unicode_character >= 0x02d8 )
269	0	&& ( unicode_character < 0x02e0 ) )
270	0	{
271	0	unicode_character -= 0x02d8;
272
273	0	byte_stream_value = libuna_codepage_windows_1250_unicode_to_byte_stream_base_0x02d8[ unicode_character ];
274	0	}
275	0	else if( ( unicode_character >= 0x2010 )
276	0	&& ( unicode_character < 0x2028 ) )
277	0	{
278	0	unicode_character -= 0x2010;
279
280	0	byte_stream_value = libuna_codepage_windows_1250_unicode_to_byte_stream_base_0x2010[ unicode_character ];
281	0	}
282	0	else if( ( unicode_character >= 0x2030 )
283	0	&& ( unicode_character < 0x2040 ) )
284	0	{
285	0	unicode_character -= 0x2030;
286
287	0	byte_stream_value = libuna_codepage_windows_1250_unicode_to_byte_stream_base_0x2030[ unicode_character ];
288	0	}
289	0	else switch( unicode_character )
290	0	{
291	0	case 0x02c7:
292	0	byte_stream_value = 0xa1;
293	0	break;
294
295	0	case 0x20ac:
296	0	byte_stream_value = 0x80;
297	0	break;
298
299	0	case 0x2122:
300	0	byte_stream_value = 0x99;
301	0	break;
302
303	0	default:
304	0	byte_stream_value = 0x1a;
305	0	break;
306	0	}
307	0	byte_stream[ safe_byte_stream_index++ ] = (uint8_t) ( byte_stream_value & 0x00ff );
308
309	0	*byte_stream_index = safe_byte_stream_index;
310
311	0	return( 1 );
312	0	}
313