File: /home/django/libpff/libfguid/libfguid_identifier.c
/*
* GUID functions
*
* Copyright (C) 2010-2024, 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 <byte_stream.h>
#include <memory.h>
#include <types.h>
#include "libfguid_definitions.h"
#include "libfguid_identifier.h"
#include "libfguid_libcerror.h"
#include "libfguid_types.h"
/* Creates an identifier
* Make sure the value identifier is referencing, is set to NULL
* Returns 1 if successful or -1 on error
*/
int libfguid_identifier_initialize(
libfguid_identifier_t **identifier,
libcerror_error_t **error )
{
libfguid_internal_identifier_t *internal_identifier = NULL;
static char *function = "libfguid_identifier_initialize";
if( identifier == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid identifier.",
function );
return( -1 );
}
if( *identifier != NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
"%s: invalid identifier value already set.",
function );
return( -1 );
}
internal_identifier = memory_allocate_structure(
libfguid_internal_identifier_t );
if( internal_identifier == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
"%s: unable to create identifier.",
function );
goto on_error;
}
if( memory_set(
internal_identifier,
0,
sizeof( libfguid_internal_identifier_t ) ) == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_SET_FAILED,
"%s: unable to clear identifier.",
function );
goto on_error;
}
*identifier = (libfguid_identifier_t *) internal_identifier;
return( 1 );
on_error:
if( internal_identifier != NULL )
{
memory_free(
internal_identifier );
}
return( -1 );
}
/* Frees an identifier
* Returns 1 if successful or -1 on error
*/
int libfguid_identifier_free(
libfguid_identifier_t **identifier,
libcerror_error_t **error )
{
libfguid_internal_identifier_t *internal_identifier = NULL;
static char *function = "libfguid_identifier_free";
if( identifier == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid identifier.",
function );
return( -1 );
}
if( *identifier != NULL )
{
internal_identifier = (libfguid_internal_identifier_t *) *identifier;
*identifier = NULL;
memory_free(
internal_identifier );
}
return( 1 );
}
/* Copies the identifier from a byte stream
* Returns 1 if successful or -1 on error
*/
int libfguid_identifier_copy_from_byte_stream(
libfguid_identifier_t *identifier,
const uint8_t *byte_stream,
size_t byte_stream_size,
int byte_order,
libcerror_error_t **error )
{
libfguid_internal_identifier_t *internal_identifier = NULL;
static char *function = "libfguid_identifier_copy_from_byte_stream";
if( identifier == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid identifier.",
function );
return( -1 );
}
internal_identifier = (libfguid_internal_identifier_t *) identifier;
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 < 16 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
"%s: byte stream too small.",
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: byte stream size exceeds maximum.",
function );
return( -1 );
}
if( ( byte_order != LIBFGUID_ENDIAN_BIG )
&& ( byte_order != LIBFGUID_ENDIAN_LITTLE ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,
"%s: unsupported byte order.",
function );
return( -1 );
}
if( byte_order == LIBFGUID_ENDIAN_LITTLE )
{
byte_stream_copy_to_uint32_little_endian(
byte_stream,
internal_identifier->time.lower );
byte_stream += 4;
byte_stream_copy_to_uint16_little_endian(
byte_stream,
internal_identifier->time.middle );
byte_stream += 2;
byte_stream_copy_to_uint16_little_endian(
byte_stream,
internal_identifier->time.upper );
byte_stream += 2;
}
else if( byte_order == LIBFGUID_ENDIAN_BIG )
{
byte_stream_copy_to_uint32_big_endian(
byte_stream,
internal_identifier->time.lower );
byte_stream += 4;
byte_stream_copy_to_uint16_big_endian(
byte_stream,
internal_identifier->time.middle );
byte_stream += 2;
byte_stream_copy_to_uint16_big_endian(
byte_stream,
internal_identifier->time.upper );
byte_stream += 2;
}
internal_identifier->clock_sequence.upper = byte_stream[ 0 ];
internal_identifier->clock_sequence.lower = byte_stream[ 1 ];
internal_identifier->node[ 0 ] = byte_stream[ 2 ];
internal_identifier->node[ 1 ] = byte_stream[ 3 ];
internal_identifier->node[ 2 ] = byte_stream[ 4 ];
internal_identifier->node[ 3 ] = byte_stream[ 5 ];
internal_identifier->node[ 4 ] = byte_stream[ 6 ];
internal_identifier->node[ 5 ] = byte_stream[ 7 ];
return( 1 );
}
/* Copies the identifier to a byte stream
* Returns 1 if successful or -1 on error
*/
int libfguid_identifier_copy_to_byte_stream(
libfguid_identifier_t *identifier,
uint8_t *byte_stream,
size_t byte_stream_size,
int byte_order,
libcerror_error_t **error )
{
libfguid_internal_identifier_t *internal_identifier = NULL;
static char *function = "libfguid_identifier_copy_to_byte_stream";
if( identifier == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid identifier.",
function );
return( -1 );
}
internal_identifier = (libfguid_internal_identifier_t *) identifier;
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 < 16 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
"%s: byte stream too small.",
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: byte stream size exceeds maximum.",
function );
return( -1 );
}
if( ( byte_order != LIBFGUID_ENDIAN_BIG )
&& ( byte_order != LIBFGUID_ENDIAN_LITTLE ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,
"%s: unsupported byte order.",
function );
return( -1 );
}
if( byte_order == LIBFGUID_ENDIAN_LITTLE )
{
byte_stream_copy_from_uint32_little_endian(
byte_stream,
internal_identifier->time.lower );
byte_stream += 4;
byte_stream_copy_from_uint16_little_endian(
byte_stream,
internal_identifier->time.middle );
byte_stream += 2;
byte_stream_copy_from_uint16_little_endian(
byte_stream,
internal_identifier->time.upper );
byte_stream += 2;
}
else if( byte_order == LIBFGUID_ENDIAN_BIG )
{
byte_stream_copy_from_uint32_big_endian(
byte_stream,
internal_identifier->time.lower );
byte_stream += 4;
byte_stream_copy_from_uint16_big_endian(
byte_stream,
internal_identifier->time.middle );
byte_stream += 2;
byte_stream_copy_from_uint16_big_endian(
byte_stream,
internal_identifier->time.upper );
byte_stream += 2;
}
byte_stream[ 0 ] = internal_identifier->clock_sequence.upper;
byte_stream[ 1 ] = internal_identifier->clock_sequence.lower;
byte_stream[ 2 ] = internal_identifier->node[ 0 ];
byte_stream[ 3 ] = internal_identifier->node[ 1 ];
byte_stream[ 4 ] = internal_identifier->node[ 2 ];
byte_stream[ 5 ] = internal_identifier->node[ 3 ];
byte_stream[ 6 ] = internal_identifier->node[ 4 ];
byte_stream[ 7 ] = internal_identifier->node[ 5 ];
return( 1 );
}
/* Retrieves the size of an UTF-8 encoded string of the identifier
* The string size includes the end of string character
* Returns 1 if successful or -1 on error
*/
int libfguid_identifier_get_string_size(
libfguid_identifier_t *identifier,
size_t *string_size,
uint32_t string_format_flags,
libcerror_error_t **error )
{
static char *function = "libfguid_identifier_get_string_size";
uint32_t required_flags = 0;
uint32_t supported_flags = 0;
if( identifier == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid identifier.",
function );
return( -1 );
}
if( string_size == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid string size.",
function );
return( -1 );
}
required_flags = LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE
| LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE;
if( ( string_format_flags & required_flags ) == 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
"%s: missing string format flags.",
function );
return( -1 );
}
supported_flags = required_flags
| LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES;
if( ( string_format_flags & ~( supported_flags ) ) != 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
"%s: unsupported string format flags: 0x%08" PRIx32 ".",
function,
string_format_flags );
return( -1 );
}
*string_size = 37;
if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES ) != 0 )
{
*string_size += 2;
}
return( 1 );
}
/* Copies the identifier from an UTF-8 encoded string
* Returns 1 if successful or -1 on error
*/
int libfguid_identifier_copy_from_utf8_string(
libfguid_identifier_t *identifier,
const uint8_t *utf8_string,
size_t utf8_string_size,
uint32_t string_format_flags,
libcerror_error_t **error )
{
static char *function = "libfguid_identifier_copy_from_utf8_string";
size_t utf8_string_index = 0;
if( libfguid_identifier_copy_from_utf8_string_with_index(
identifier,
utf8_string,
utf8_string_size,
&utf8_string_index,
string_format_flags,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
"%s: unable to copy identifier from UTF-8 string.",
function );
return( -1 );
}
return( 1 );
}
/* Copies the identifier from an UTF-8 encoded string
* Returns 1 if successful or -1 on error
*/
int libfguid_identifier_copy_from_utf8_string_with_index(
libfguid_identifier_t *identifier,
const uint8_t *utf8_string,
size_t utf8_string_length,
size_t *utf8_string_index,
uint32_t string_format_flags,
libcerror_error_t **error )
{
libfguid_internal_identifier_t *internal_identifier = NULL;
static char *function = "libfguid_identifier_copy_from_utf8_string_with_index";
size_t byte_index = 0;
size_t node_index = 0;
size_t string_index = 0;
size_t string_length = 0;
uint32_t required_flags = 0;
uint32_t supported_flags = 0;
if( identifier == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid identifier.",
function );
return( -1 );
}
internal_identifier = (libfguid_internal_identifier_t *) identifier;
if( utf8_string == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-8 string.",
function );
return( -1 );
}
if( utf8_string_length > (size_t) SSIZE_MAX )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
"%s: invalid UTF-8 string size value exceeds maximum.",
function );
return( -1 );
}
if( utf8_string_index == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-8 index.",
function );
return( -1 );
}
required_flags = LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE
| LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE;
if( ( string_format_flags & required_flags ) == 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
"%s: missing string format flags.",
function );
return( -1 );
}
supported_flags = required_flags
| LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES;
if( ( string_format_flags & ~( supported_flags ) ) != 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,
"%s: unsupported string format flags: 0x%08" PRIx32 ".",
function,
string_format_flags );
return( -1 );
}
string_length = 36;
if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES ) != 0 )
{
string_length += 2;
}
string_index = *utf8_string_index;
if( ( string_index + string_length ) > utf8_string_length )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
"%s: UTF-8 string is too small.",
function );
return( -1 );
}
if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES ) != 0 )
{
if( utf8_string[ string_index ] != (uint8_t) '{' )
{
goto on_error;
}
string_index++;
}
for( byte_index = 0;
byte_index < 8;
byte_index++ )
{
internal_identifier->time.lower <<= 4;
if( ( utf8_string[ string_index ] >= (uint8_t) '0' )
&& ( utf8_string[ string_index ] <= (uint8_t) '9' ) )
{
internal_identifier->time.lower |= utf8_string[ string_index ] - (uint8_t) '0';
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE ) != 0 )
&& ( utf8_string[ string_index ] >= (uint8_t) 'a' )
&& ( utf8_string[ string_index ] <= (uint8_t) 'f' ) )
{
internal_identifier->time.lower |= utf8_string[ string_index ] - (uint8_t) 'a' + 10;
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
&& ( utf8_string[ string_index ] >= (uint8_t) 'A' )
&& ( utf8_string[ string_index ] <= (uint8_t) 'F' ) )
{
internal_identifier->time.lower |= utf8_string[ string_index ] - (uint8_t) 'A' + 10;
}
else
{
goto on_error;
}
string_index++;
}
if( utf8_string[ string_index ] != (uint8_t) '-' )
{
goto on_error;
}
string_index++;
for( byte_index = 0;
byte_index < 4;
byte_index++ )
{
internal_identifier->time.middle <<= 4;
if( ( utf8_string[ string_index ] >= (uint8_t) '0' )
&& ( utf8_string[ string_index ] <= (uint8_t) '9' ) )
{
internal_identifier->time.middle |= utf8_string[ string_index ] - (uint8_t) '0';
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE ) != 0 )
&& ( utf8_string[ string_index ] >= (uint8_t) 'a' )
&& ( utf8_string[ string_index ] <= (uint8_t) 'f' ) )
{
internal_identifier->time.middle |= utf8_string[ string_index ] - (uint8_t) 'a' + 10;
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
&& ( utf8_string[ string_index ] >= (uint8_t) 'A' )
&& ( utf8_string[ string_index ] <= (uint8_t) 'F' ) )
{
internal_identifier->time.middle |= utf8_string[ string_index ] - (uint8_t) 'A' + 10;
}
else
{
goto on_error;
}
string_index++;
}
if( utf8_string[ string_index ] != (uint8_t) '-' )
{
goto on_error;
}
string_index++;
for( byte_index = 0;
byte_index < 4;
byte_index++ )
{
internal_identifier->time.upper <<= 4;
if( ( utf8_string[ string_index ] >= (uint8_t) '0' )
&& ( utf8_string[ string_index ] <= (uint8_t) '9' ) )
{
internal_identifier->time.upper |= utf8_string[ string_index ] - (uint8_t) '0';
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE ) != 0 )
&& ( utf8_string[ string_index ] >= (uint8_t) 'a' )
&& ( utf8_string[ string_index ] <= (uint8_t) 'f' ) )
{
internal_identifier->time.upper |= utf8_string[ string_index ] - (uint8_t) 'a' + 10;
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
&& ( utf8_string[ string_index ] >= (uint8_t) 'A' )
&& ( utf8_string[ string_index ] <= (uint8_t) 'F' ) )
{
internal_identifier->time.upper |= utf8_string[ string_index ] - (uint8_t) 'A' + 10;
}
else
{
goto on_error;
}
string_index++;
}
if( utf8_string[ string_index ] != (uint8_t) '-' )
{
goto on_error;
}
string_index++;
for( byte_index = 0;
byte_index < 2;
byte_index++ )
{
internal_identifier->clock_sequence.upper <<= 4;
if( ( utf8_string[ string_index ] >= (uint8_t) '0' )
&& ( utf8_string[ string_index ] <= (uint8_t) '9' ) )
{
internal_identifier->clock_sequence.upper |= utf8_string[ string_index ] - (uint8_t) '0';
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE ) != 0 )
&& ( utf8_string[ string_index ] >= (uint8_t) 'a' )
&& ( utf8_string[ string_index ] <= (uint8_t) 'f' ) )
{
internal_identifier->clock_sequence.upper |= utf8_string[ string_index ] - (uint8_t) 'a' + 10;
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
&& ( utf8_string[ string_index ] >= (uint8_t) 'A' )
&& ( utf8_string[ string_index ] <= (uint8_t) 'F' ) )
{
internal_identifier->clock_sequence.upper |= utf8_string[ string_index ] - (uint8_t) 'A' + 10;
}
else
{
goto on_error;
}
string_index++;
}
for( byte_index = 0;
byte_index < 2;
byte_index++ )
{
internal_identifier->clock_sequence.lower <<= 4;
if( ( utf8_string[ string_index ] >= (uint8_t) '0' )
&& ( utf8_string[ string_index ] <= (uint8_t) '9' ) )
{
internal_identifier->clock_sequence.lower |= utf8_string[ string_index ] - (uint8_t) '0';
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE ) != 0 )
&& ( utf8_string[ string_index ] >= (uint8_t) 'a' )
&& ( utf8_string[ string_index ] <= (uint8_t) 'f' ) )
{
internal_identifier->clock_sequence.lower |= utf8_string[ string_index ] - (uint8_t) 'a' + 10;
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
&& ( utf8_string[ string_index ] >= (uint8_t) 'A' )
&& ( utf8_string[ string_index ] <= (uint8_t) 'F' ) )
{
internal_identifier->clock_sequence.lower |= utf8_string[ string_index ] - (uint8_t) 'A' + 10;
}
else
{
goto on_error;
}
string_index++;
}
if( utf8_string[ string_index ] != (uint8_t) '-' )
{
goto on_error;
}
string_index++;
for( byte_index = 0;
byte_index < 12;
byte_index++ )
{
node_index = byte_index / 2;
internal_identifier->node[ node_index ] <<= 4;
if( ( utf8_string[ string_index ] >= (uint8_t) '0' )
&& ( utf8_string[ string_index ] <= (uint8_t) '9' ) )
{
internal_identifier->node[ node_index ] |= utf8_string[ string_index ] - (uint8_t) '0';
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE ) != 0 )
&& ( utf8_string[ string_index ] >= (uint8_t) 'a' )
&& ( utf8_string[ string_index ] <= (uint8_t) 'f' ) )
{
internal_identifier->node[ node_index ] |= utf8_string[ string_index ] - (uint8_t) 'a' + 10;
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
&& ( utf8_string[ string_index ] >= (uint8_t) 'A' )
&& ( utf8_string[ string_index ] <= (uint8_t) 'F' ) )
{
internal_identifier->node[ node_index ] |= utf8_string[ string_index ] - (uint8_t) 'A' + 10;
}
else
{
goto on_error;
}
string_index++;
}
if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES ) != 0 )
{
if( utf8_string[ string_index ] != (uint8_t) '}' )
{
goto on_error;
}
string_index++;
}
*utf8_string_index = string_index;
return( 1 );
on_error:
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
"%s: unsupported character value: 0x%02" PRIx8 " at index: %d.",
function,
utf8_string[ string_index ],
string_index );
return( -1 );
}
/* Copies the identifier to an UTF-8 encoded string
* The string size should include the end of string character
* Returns 1 if successful or -1 on error
*/
int libfguid_identifier_copy_to_utf8_string(
libfguid_identifier_t *identifier,
uint8_t *utf8_string,
size_t utf8_string_size,
uint32_t string_format_flags,
libcerror_error_t **error )
{
static char *function = "libfguid_identifier_copy_to_utf8_string";
size_t utf8_string_index = 0;
if( libfguid_identifier_copy_to_utf8_string_with_index(
identifier,
utf8_string,
utf8_string_size,
&utf8_string_index,
string_format_flags,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
"%s: unable to copy identifier to UTF-8 string.",
function );
return( -1 );
}
return( 1 );
}
/* Copies the identifier to an UTF-8 encoded string
* The string size should include the end of string character
* Returns 1 if successful or -1 on error
*/
int libfguid_identifier_copy_to_utf8_string_with_index(
libfguid_identifier_t *identifier,
uint8_t *utf8_string,
size_t utf8_string_size,
size_t *utf8_string_index,
uint32_t string_format_flags,
libcerror_error_t **error )
{
libfguid_internal_identifier_t *internal_identifier = NULL;
static char *function = "libfguid_identifier_copy_to_utf8_string_with_index";
size_t string_index = 0;
size_t string_size = 0;
uint32_t required_flags = 0;
uint32_t supported_flags = 0;
uint8_t byte_value = 0;
uint8_t node_index = 0;
int8_t byte_shift = 0;
if( identifier == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid identifier.",
function );
return( -1 );
}
internal_identifier = (libfguid_internal_identifier_t *) identifier;
if( utf8_string == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-8.",
function );
return( -1 );
}
if( utf8_string_size > (size_t) SSIZE_MAX )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
"%s: UTF-8 string size exceeds maximum.",
function );
return( -1 );
}
if( utf8_string_index == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-8 index.",
function );
return( -1 );
}
required_flags = LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE
| LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE;
if( ( string_format_flags & required_flags ) == 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
"%s: missing string format flags.",
function );
return( -1 );
}
supported_flags = required_flags
| LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES;
if( ( string_format_flags & ~( supported_flags ) ) != 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
"%s: unsupported string format flags: 0x%08" PRIx32 ".",
function,
string_format_flags );
return( -1 );
}
string_size = 37;
if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES ) != 0 )
{
string_size += 2;
}
string_index = *utf8_string_index;
if( ( string_index + string_size ) > utf8_string_size )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
"%s: UTF-8 string is too small.",
function );
return( -1 );
}
if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES ) != 0 )
{
utf8_string[ string_index++ ] = (uint8_t) '{';
}
byte_shift = 28;
do
{
byte_value = ( internal_identifier->time.lower >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf8_string[ string_index++ ] = (uint8_t) '0' + byte_value;
}
else if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
{
utf8_string[ string_index++ ] = (uint8_t) 'A' + byte_value - 10;
}
else
{
utf8_string[ string_index++ ] = (uint8_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
utf8_string[ string_index++ ] = (uint8_t) '-';
byte_shift = 12;
do
{
byte_value = ( internal_identifier->time.middle >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf8_string[ string_index++ ] = (uint8_t) '0' + byte_value;
}
else if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
{
utf8_string[ string_index++ ] = (uint8_t) 'A' + byte_value - 10;
}
else
{
utf8_string[ string_index++ ] = (uint8_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
utf8_string[ string_index++ ] = (uint8_t) '-';
byte_shift = 12;
do
{
byte_value = ( internal_identifier->time.upper >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf8_string[ string_index++ ] = (uint8_t) '0' + byte_value;
}
else if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
{
utf8_string[ string_index++ ] = (uint8_t) 'A' + byte_value - 10;
}
else
{
utf8_string[ string_index++ ] = (uint8_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
utf8_string[ string_index++ ] = (uint8_t) '-';
byte_shift = 4;
do
{
byte_value = ( internal_identifier->clock_sequence.upper >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf8_string[ string_index++ ] = (uint8_t) '0' + byte_value;
}
else if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
{
utf8_string[ string_index++ ] = (uint8_t) 'A' + byte_value - 10;
}
else
{
utf8_string[ string_index++ ] = (uint8_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
byte_shift = 4;
do
{
byte_value = ( internal_identifier->clock_sequence.lower >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf8_string[ string_index++ ] = (uint8_t) '0' + byte_value;
}
else if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
{
utf8_string[ string_index++ ] = (uint8_t) 'A' + byte_value - 10;
}
else
{
utf8_string[ string_index++ ] = (uint8_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
utf8_string[ string_index++ ] = (uint8_t) '-';
for( node_index = 0;
node_index < 6;
node_index++ )
{
byte_shift = 4;
do
{
byte_value = ( internal_identifier->node[ node_index ] >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf8_string[ string_index++ ] = (uint8_t) '0' + byte_value;
}
else if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
{
utf8_string[ string_index++ ] = (uint8_t) 'A' + byte_value - 10;
}
else
{
utf8_string[ string_index++ ] = (uint8_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
}
if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES ) != 0 )
{
utf8_string[ string_index++ ] = (uint8_t) '}';
}
utf8_string[ string_index++ ] = 0;
*utf8_string_index = string_index;
return( 1 );
}
/* Copies the identifier from an UTF-16 encoded string
* Returns 1 if successful or -1 on error
*/
int libfguid_identifier_copy_from_utf16_string(
libfguid_identifier_t *identifier,
const uint16_t *utf16_string,
size_t utf16_string_size,
uint32_t string_format_flags,
libcerror_error_t **error )
{
static char *function = "libfguid_identifier_copy_from_utf16_string";
size_t utf16_string_index = 0;
if( libfguid_identifier_copy_from_utf16_string_with_index(
identifier,
utf16_string,
utf16_string_size,
&utf16_string_index,
string_format_flags,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
"%s: unable to copy identifier from UTF-16 string.",
function );
return( -1 );
}
return( 1 );
}
/* Copies the identifier from an UTF-16 encoded string
* Returns 1 if successful or -1 on error
*/
int libfguid_identifier_copy_from_utf16_string_with_index(
libfguid_identifier_t *identifier,
const uint16_t *utf16_string,
size_t utf16_string_length,
size_t *utf16_string_index,
uint32_t string_format_flags,
libcerror_error_t **error )
{
libfguid_internal_identifier_t *internal_identifier = NULL;
static char *function = "libfguid_identifier_copy_from_utf16_string_with_index";
size_t byte_index = 0;
size_t node_index = 0;
size_t string_index = 0;
size_t string_length = 0;
uint32_t required_flags = 0;
uint32_t supported_flags = 0;
if( identifier == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid identifier.",
function );
return( -1 );
}
internal_identifier = (libfguid_internal_identifier_t *) identifier;
if( utf16_string == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-16 string.",
function );
return( -1 );
}
if( utf16_string_length > (size_t) SSIZE_MAX )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
"%s: invalid UTF-16 string size value exceeds maximum.",
function );
return( -1 );
}
if( utf16_string_index == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-16 index.",
function );
return( -1 );
}
required_flags = LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE
| LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE;
if( ( string_format_flags & required_flags ) == 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
"%s: missing string format flags.",
function );
return( -1 );
}
supported_flags = required_flags
| LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES;
if( ( string_format_flags & ~( supported_flags ) ) != 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,
"%s: unsupported string format flags: 0x%08" PRIx32 ".",
function,
string_format_flags );
return( -1 );
}
string_length = 36;
if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES ) != 0 )
{
string_length += 2;
}
string_index = *utf16_string_index;
if( ( string_index + string_length ) > utf16_string_length )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
"%s: UTF-16 string is too small.",
function );
return( -1 );
}
if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES ) != 0 )
{
if( utf16_string[ string_index ] != (uint16_t) '{' )
{
goto on_error;
}
string_index++;
}
for( byte_index = 0;
byte_index < 8;
byte_index++ )
{
internal_identifier->time.lower <<= 4;
if( ( utf16_string[ string_index ] >= (uint16_t) '0' )
&& ( utf16_string[ string_index ] <= (uint16_t) '9' ) )
{
internal_identifier->time.lower |= utf16_string[ string_index ] - (uint16_t) '0';
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE ) != 0 )
&& ( utf16_string[ string_index ] >= (uint16_t) 'a' )
&& ( utf16_string[ string_index ] <= (uint16_t) 'f' ) )
{
internal_identifier->time.lower |= utf16_string[ string_index ] - (uint16_t) 'a' + 10;
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
&& ( utf16_string[ string_index ] >= (uint16_t) 'A' )
&& ( utf16_string[ string_index ] <= (uint16_t) 'F' ) )
{
internal_identifier->time.lower |= utf16_string[ string_index ] - (uint16_t) 'A' + 10;
}
else
{
goto on_error;
}
string_index++;
}
if( utf16_string[ string_index ] != (uint16_t) '-' )
{
goto on_error;
}
string_index++;
for( byte_index = 0;
byte_index < 4;
byte_index++ )
{
internal_identifier->time.middle <<= 4;
if( ( utf16_string[ string_index ] >= (uint16_t) '0' )
&& ( utf16_string[ string_index ] <= (uint16_t) '9' ) )
{
internal_identifier->time.middle |= utf16_string[ string_index ] - (uint16_t) '0';
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE ) != 0 )
&& ( utf16_string[ string_index ] >= (uint16_t) 'a' )
&& ( utf16_string[ string_index ] <= (uint16_t) 'f' ) )
{
internal_identifier->time.middle |= utf16_string[ string_index ] - (uint16_t) 'a' + 10;
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
&& ( utf16_string[ string_index ] >= (uint16_t) 'A' )
&& ( utf16_string[ string_index ] <= (uint16_t) 'F' ) )
{
internal_identifier->time.middle |= utf16_string[ string_index ] - (uint16_t) 'A' + 10;
}
else
{
goto on_error;
}
string_index++;
}
if( utf16_string[ string_index ] != (uint16_t) '-' )
{
goto on_error;
}
string_index++;
for( byte_index = 0;
byte_index < 4;
byte_index++ )
{
internal_identifier->time.upper <<= 4;
if( ( utf16_string[ string_index ] >= (uint16_t) '0' )
&& ( utf16_string[ string_index ] <= (uint16_t) '9' ) )
{
internal_identifier->time.upper |= utf16_string[ string_index ] - (uint16_t) '0';
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE ) != 0 )
&& ( utf16_string[ string_index ] >= (uint16_t) 'a' )
&& ( utf16_string[ string_index ] <= (uint16_t) 'f' ) )
{
internal_identifier->time.upper |= utf16_string[ string_index ] - (uint16_t) 'a' + 10;
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
&& ( utf16_string[ string_index ] >= (uint16_t) 'A' )
&& ( utf16_string[ string_index ] <= (uint16_t) 'F' ) )
{
internal_identifier->time.upper |= utf16_string[ string_index ] - (uint16_t) 'A' + 10;
}
else
{
goto on_error;
}
string_index++;
}
if( utf16_string[ string_index ] != (uint16_t) '-' )
{
goto on_error;
}
string_index++;
for( byte_index = 0;
byte_index < 2;
byte_index++ )
{
internal_identifier->clock_sequence.upper <<= 4;
if( ( utf16_string[ string_index ] >= (uint16_t) '0' )
&& ( utf16_string[ string_index ] <= (uint16_t) '9' ) )
{
internal_identifier->clock_sequence.upper |= utf16_string[ string_index ] - (uint16_t) '0';
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE ) != 0 )
&& ( utf16_string[ string_index ] >= (uint16_t) 'a' )
&& ( utf16_string[ string_index ] <= (uint16_t) 'f' ) )
{
internal_identifier->clock_sequence.upper |= utf16_string[ string_index ] - (uint16_t) 'a' + 10;
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
&& ( utf16_string[ string_index ] >= (uint16_t) 'A' )
&& ( utf16_string[ string_index ] <= (uint16_t) 'F' ) )
{
internal_identifier->clock_sequence.upper |= utf16_string[ string_index ] - (uint16_t) 'A' + 10;
}
else
{
goto on_error;
}
string_index++;
}
for( byte_index = 0;
byte_index < 2;
byte_index++ )
{
internal_identifier->clock_sequence.lower <<= 4;
if( ( utf16_string[ string_index ] >= (uint16_t) '0' )
&& ( utf16_string[ string_index ] <= (uint16_t) '9' ) )
{
internal_identifier->clock_sequence.lower |= utf16_string[ string_index ] - (uint16_t) '0';
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE ) != 0 )
&& ( utf16_string[ string_index ] >= (uint16_t) 'a' )
&& ( utf16_string[ string_index ] <= (uint16_t) 'f' ) )
{
internal_identifier->clock_sequence.lower |= utf16_string[ string_index ] - (uint16_t) 'a' + 10;
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
&& ( utf16_string[ string_index ] >= (uint16_t) 'A' )
&& ( utf16_string[ string_index ] <= (uint16_t) 'F' ) )
{
internal_identifier->clock_sequence.lower |= utf16_string[ string_index ] - (uint16_t) 'A' + 10;
}
else
{
goto on_error;
}
string_index++;
}
if( utf16_string[ string_index ] != (uint16_t) '-' )
{
goto on_error;
}
string_index++;
for( byte_index = 0;
byte_index < 12;
byte_index++ )
{
node_index = byte_index / 2;
internal_identifier->node[ node_index ] <<= 4;
if( ( utf16_string[ string_index ] >= (uint16_t) '0' )
&& ( utf16_string[ string_index ] <= (uint16_t) '9' ) )
{
internal_identifier->node[ node_index ] |= utf16_string[ string_index ] - (uint16_t) '0';
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE ) != 0 )
&& ( utf16_string[ string_index ] >= (uint16_t) 'a' )
&& ( utf16_string[ string_index ] <= (uint16_t) 'f' ) )
{
internal_identifier->node[ node_index ] |= utf16_string[ string_index ] - (uint16_t) 'a' + 10;
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
&& ( utf16_string[ string_index ] >= (uint16_t) 'A' )
&& ( utf16_string[ string_index ] <= (uint16_t) 'F' ) )
{
internal_identifier->node[ node_index ] |= utf16_string[ string_index ] - (uint16_t) 'A' + 10;
}
else
{
goto on_error;
}
string_index++;
}
if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES ) != 0 )
{
if( utf16_string[ string_index ] != (uint16_t) '}' )
{
goto on_error;
}
string_index++;
}
*utf16_string_index = string_index;
return( 1 );
on_error:
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
"%s: unsupported character value: 0x%04" PRIx16 " at index: %d.",
function,
utf16_string[ string_index ],
string_index );
return( -1 );
}
/* Copies the identifier to an UTF-16 encoded string
* The string size should include the end of string character
* Returns 1 if successful or -1 on error
*/
int libfguid_identifier_copy_to_utf16_string(
libfguid_identifier_t *identifier,
uint16_t *utf16_string,
size_t utf16_string_size,
uint32_t string_format_flags,
libcerror_error_t **error )
{
static char *function = "libfguid_identifier_copy_to_utf16_string";
size_t utf16_string_index = 0;
if( libfguid_identifier_copy_to_utf16_string_with_index(
identifier,
utf16_string,
utf16_string_size,
&utf16_string_index,
string_format_flags,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
"%s: unable to copy identifier to UTF-16 string.",
function );
return( -1 );
}
return( 1 );
}
/* Copies the identifier to an UTF-16 encoded string
* The string size should include the end of string character
* Returns 1 if successful or -1 on error
*/
int libfguid_identifier_copy_to_utf16_string_with_index(
libfguid_identifier_t *identifier,
uint16_t *utf16_string,
size_t utf16_string_size,
size_t *utf16_string_index,
uint32_t string_format_flags,
libcerror_error_t **error )
{
libfguid_internal_identifier_t *internal_identifier = NULL;
static char *function = "libfguid_identifier_copy_to_utf16_string_with_index";
size_t string_index = 0;
size_t string_size = 0;
uint32_t required_flags = 0;
uint32_t supported_flags = 0;
uint8_t byte_value = 0;
uint8_t node_index = 0;
int8_t byte_shift = 0;
if( identifier == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid identifier.",
function );
return( -1 );
}
internal_identifier = (libfguid_internal_identifier_t *) identifier;
if( utf16_string == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-16.",
function );
return( -1 );
}
if( utf16_string_size > (size_t) SSIZE_MAX )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
"%s: UTF-16 string size exceeds maximum.",
function );
return( -1 );
}
if( utf16_string_index == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-16 index.",
function );
return( -1 );
}
required_flags = LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE
| LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE;
if( ( string_format_flags & required_flags ) == 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
"%s: missing string format flags.",
function );
return( -1 );
}
supported_flags = required_flags
| LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES;
if( ( string_format_flags & ~( supported_flags ) ) != 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
"%s: unsupported string format flags: 0x%08" PRIx32 ".",
function,
string_format_flags );
return( -1 );
}
string_size = 37;
if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES ) != 0 )
{
string_size += 2;
}
string_index = *utf16_string_index;
if( ( string_index + string_size ) > utf16_string_size )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
"%s: UTF-16 string is too small.",
function );
return( -1 );
}
if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES ) != 0 )
{
utf16_string[ string_index++ ] = (uint16_t) '{';
}
byte_shift = 28;
do
{
byte_value = ( internal_identifier->time.lower >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf16_string[ string_index++ ] = (uint16_t) '0' + byte_value;
}
else if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
{
utf16_string[ string_index++ ] = (uint16_t) 'A' + byte_value - 10;
}
else
{
utf16_string[ string_index++ ] = (uint16_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
utf16_string[ string_index++ ] = (uint16_t) '-';
byte_shift = 12;
do
{
byte_value = ( internal_identifier->time.middle >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf16_string[ string_index++ ] = (uint16_t) '0' + byte_value;
}
else if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
{
utf16_string[ string_index++ ] = (uint16_t) 'A' + byte_value - 10;
}
else
{
utf16_string[ string_index++ ] = (uint16_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
utf16_string[ string_index++ ] = (uint16_t) '-';
byte_shift = 12;
do
{
byte_value = ( internal_identifier->time.upper >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf16_string[ string_index++ ] = (uint16_t) '0' + byte_value;
}
else if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
{
utf16_string[ string_index++ ] = (uint16_t) 'A' + byte_value - 10;
}
else
{
utf16_string[ string_index++ ] = (uint16_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
utf16_string[ string_index++ ] = (uint16_t) '-';
byte_shift = 4;
do
{
byte_value = ( internal_identifier->clock_sequence.upper >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf16_string[ string_index++ ] = (uint16_t) '0' + byte_value;
}
else if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
{
utf16_string[ string_index++ ] = (uint16_t) 'A' + byte_value - 10;
}
else
{
utf16_string[ string_index++ ] = (uint16_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
byte_shift = 4;
do
{
byte_value = ( internal_identifier->clock_sequence.lower >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf16_string[ string_index++ ] = (uint16_t) '0' + byte_value;
}
else if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
{
utf16_string[ string_index++ ] = (uint16_t) 'A' + byte_value - 10;
}
else
{
utf16_string[ string_index++ ] = (uint16_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
utf16_string[ string_index++ ] = (uint16_t) '-';
for( node_index = 0;
node_index < 6;
node_index++ )
{
byte_shift = 4;
do
{
byte_value = ( internal_identifier->node[ node_index ] >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf16_string[ string_index++ ] = (uint16_t) '0' + byte_value;
}
else if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
{
utf16_string[ string_index++ ] = (uint16_t) 'A' + byte_value - 10;
}
else
{
utf16_string[ string_index++ ] = (uint16_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
}
if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES ) != 0 )
{
utf16_string[ string_index++ ] = (uint16_t) '}';
}
utf16_string[ string_index++ ] = 0;
*utf16_string_index = string_index;
return( 1 );
}
/* Copies the identifier from an UTF-32 encoded string
* Returns 1 if successful or -1 on error
*/
int libfguid_identifier_copy_from_utf32_string(
libfguid_identifier_t *identifier,
const uint32_t *utf32_string,
size_t utf32_string_size,
uint32_t string_format_flags,
libcerror_error_t **error )
{
static char *function = "libfguid_identifier_copy_from_utf32_string";
size_t utf32_string_index = 0;
if( libfguid_identifier_copy_from_utf32_string_with_index(
identifier,
utf32_string,
utf32_string_size,
&utf32_string_index,
string_format_flags,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
"%s: unable to copy identifier from UTF-32 string.",
function );
return( -1 );
}
return( 1 );
}
/* Copies the identifier from an UTF-32 encoded string
* Returns 1 if successful or -1 on error
*/
int libfguid_identifier_copy_from_utf32_string_with_index(
libfguid_identifier_t *identifier,
const uint32_t *utf32_string,
size_t utf32_string_length,
size_t *utf32_string_index,
uint32_t string_format_flags,
libcerror_error_t **error )
{
libfguid_internal_identifier_t *internal_identifier = NULL;
static char *function = "libfguid_identifier_copy_from_utf32_string_with_index";
size_t byte_index = 0;
size_t node_index = 0;
size_t string_index = 0;
size_t string_length = 0;
uint32_t required_flags = 0;
uint32_t supported_flags = 0;
if( identifier == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid identifier.",
function );
return( -1 );
}
internal_identifier = (libfguid_internal_identifier_t *) identifier;
if( utf32_string == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-32 string.",
function );
return( -1 );
}
if( utf32_string_length > (size_t) SSIZE_MAX )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
"%s: invalid UTF-32 string size value exceeds maximum.",
function );
return( -1 );
}
if( utf32_string_index == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-32 index.",
function );
return( -1 );
}
required_flags = LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE
| LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE;
if( ( string_format_flags & required_flags ) == 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
"%s: missing string format flags.",
function );
return( -1 );
}
supported_flags = required_flags
| LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES;
if( ( string_format_flags & ~( supported_flags ) ) != 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,
"%s: unsupported string format flags: 0x%08" PRIx32 ".",
function,
string_format_flags );
return( -1 );
}
string_length = 36;
if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES ) != 0 )
{
string_length += 2;
}
string_index = *utf32_string_index;
if( ( string_index + string_length ) > utf32_string_length )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
"%s: UTF-32 string is too small.",
function );
return( -1 );
}
if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES ) != 0 )
{
if( utf32_string[ string_index ] != (uint32_t) '{' )
{
goto on_error;
}
string_index++;
}
for( byte_index = 0;
byte_index < 8;
byte_index++ )
{
internal_identifier->time.lower <<= 4;
if( ( utf32_string[ string_index ] >= (uint32_t) '0' )
&& ( utf32_string[ string_index ] <= (uint32_t) '9' ) )
{
internal_identifier->time.lower |= utf32_string[ string_index ] - (uint32_t) '0';
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE ) != 0 )
&& ( utf32_string[ string_index ] >= (uint32_t) 'a' )
&& ( utf32_string[ string_index ] <= (uint32_t) 'f' ) )
{
internal_identifier->time.lower |= utf32_string[ string_index ] - (uint32_t) 'a' + 10;
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
&& ( utf32_string[ string_index ] >= (uint32_t) 'A' )
&& ( utf32_string[ string_index ] <= (uint32_t) 'F' ) )
{
internal_identifier->time.lower |= utf32_string[ string_index ] - (uint32_t) 'A' + 10;
}
else
{
goto on_error;
}
string_index++;
}
if( utf32_string[ string_index ] != (uint32_t) '-' )
{
goto on_error;
}
string_index++;
for( byte_index = 0;
byte_index < 4;
byte_index++ )
{
internal_identifier->time.middle <<= 4;
if( ( utf32_string[ string_index ] >= (uint32_t) '0' )
&& ( utf32_string[ string_index ] <= (uint32_t) '9' ) )
{
internal_identifier->time.middle |= utf32_string[ string_index ] - (uint32_t) '0';
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE ) != 0 )
&& ( utf32_string[ string_index ] >= (uint32_t) 'a' )
&& ( utf32_string[ string_index ] <= (uint32_t) 'f' ) )
{
internal_identifier->time.middle |= utf32_string[ string_index ] - (uint32_t) 'a' + 10;
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
&& ( utf32_string[ string_index ] >= (uint32_t) 'A' )
&& ( utf32_string[ string_index ] <= (uint32_t) 'F' ) )
{
internal_identifier->time.middle |= utf32_string[ string_index ] - (uint32_t) 'A' + 10;
}
else
{
goto on_error;
}
string_index++;
}
if( utf32_string[ string_index ] != (uint32_t) '-' )
{
goto on_error;
}
string_index++;
for( byte_index = 0;
byte_index < 4;
byte_index++ )
{
internal_identifier->time.upper <<= 4;
if( ( utf32_string[ string_index ] >= (uint32_t) '0' )
&& ( utf32_string[ string_index ] <= (uint32_t) '9' ) )
{
internal_identifier->time.upper |= utf32_string[ string_index ] - (uint32_t) '0';
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE ) != 0 )
&& ( utf32_string[ string_index ] >= (uint32_t) 'a' )
&& ( utf32_string[ string_index ] <= (uint32_t) 'f' ) )
{
internal_identifier->time.upper |= utf32_string[ string_index ] - (uint32_t) 'a' + 10;
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
&& ( utf32_string[ string_index ] >= (uint32_t) 'A' )
&& ( utf32_string[ string_index ] <= (uint32_t) 'F' ) )
{
internal_identifier->time.upper |= utf32_string[ string_index ] - (uint32_t) 'A' + 10;
}
else
{
goto on_error;
}
string_index++;
}
if( utf32_string[ string_index ] != (uint32_t) '-' )
{
goto on_error;
}
string_index++;
for( byte_index = 0;
byte_index < 2;
byte_index++ )
{
internal_identifier->clock_sequence.upper <<= 4;
if( ( utf32_string[ string_index ] >= (uint32_t) '0' )
&& ( utf32_string[ string_index ] <= (uint32_t) '9' ) )
{
internal_identifier->clock_sequence.upper |= utf32_string[ string_index ] - (uint32_t) '0';
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE ) != 0 )
&& ( utf32_string[ string_index ] >= (uint32_t) 'a' )
&& ( utf32_string[ string_index ] <= (uint32_t) 'f' ) )
{
internal_identifier->clock_sequence.upper |= utf32_string[ string_index ] - (uint32_t) 'a' + 10;
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
&& ( utf32_string[ string_index ] >= (uint32_t) 'A' )
&& ( utf32_string[ string_index ] <= (uint32_t) 'F' ) )
{
internal_identifier->clock_sequence.upper |= utf32_string[ string_index ] - (uint32_t) 'A' + 10;
}
else
{
goto on_error;
}
string_index++;
}
for( byte_index = 0;
byte_index < 2;
byte_index++ )
{
internal_identifier->clock_sequence.lower <<= 4;
if( ( utf32_string[ string_index ] >= (uint32_t) '0' )
&& ( utf32_string[ string_index ] <= (uint32_t) '9' ) )
{
internal_identifier->clock_sequence.lower |= utf32_string[ string_index ] - (uint32_t) '0';
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE ) != 0 )
&& ( utf32_string[ string_index ] >= (uint32_t) 'a' )
&& ( utf32_string[ string_index ] <= (uint32_t) 'f' ) )
{
internal_identifier->clock_sequence.lower |= utf32_string[ string_index ] - (uint32_t) 'a' + 10;
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
&& ( utf32_string[ string_index ] >= (uint32_t) 'A' )
&& ( utf32_string[ string_index ] <= (uint32_t) 'F' ) )
{
internal_identifier->clock_sequence.lower |= utf32_string[ string_index ] - (uint32_t) 'A' + 10;
}
else
{
goto on_error;
}
string_index++;
}
if( utf32_string[ string_index ] != (uint32_t) '-' )
{
goto on_error;
}
string_index++;
for( byte_index = 0;
byte_index < 12;
byte_index++ )
{
node_index = byte_index / 2;
internal_identifier->node[ node_index ] <<= 4;
if( ( utf32_string[ string_index ] >= (uint32_t) '0' )
&& ( utf32_string[ string_index ] <= (uint32_t) '9' ) )
{
internal_identifier->node[ node_index ] |= utf32_string[ string_index ] - (uint32_t) '0';
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE ) != 0 )
&& ( utf32_string[ string_index ] >= (uint32_t) 'a' )
&& ( utf32_string[ string_index ] <= (uint32_t) 'f' ) )
{
internal_identifier->node[ node_index ] |= utf32_string[ string_index ] - (uint32_t) 'a' + 10;
}
else if( ( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
&& ( utf32_string[ string_index ] >= (uint32_t) 'A' )
&& ( utf32_string[ string_index ] <= (uint32_t) 'F' ) )
{
internal_identifier->node[ node_index ] |= utf32_string[ string_index ] - (uint32_t) 'A' + 10;
}
else
{
goto on_error;
}
string_index++;
}
if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES ) != 0 )
{
if( utf32_string[ string_index ] != (uint32_t) '}' )
{
goto on_error;
}
string_index++;
}
*utf32_string_index = string_index;
return( 1 );
on_error:
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
"%s: unsupported character value: 0x%08" PRIx32 " at index: %d.",
function,
utf32_string[ string_index ],
string_index );
return( -1 );
}
/* Copies the identifier to an UTF-32 encoded string
* The string size should include the end of string character
* Returns 1 if successful or -1 on error
*/
int libfguid_identifier_copy_to_utf32_string(
libfguid_identifier_t *identifier,
uint32_t *utf32_string,
size_t utf32_string_size,
uint32_t string_format_flags,
libcerror_error_t **error )
{
static char *function = "libfguid_identifier_copy_to_utf32_string";
size_t utf32_string_index = 0;
if( libfguid_identifier_copy_to_utf32_string_with_index(
identifier,
utf32_string,
utf32_string_size,
&utf32_string_index,
string_format_flags,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
"%s: unable to copy identifier to UTF-32 string.",
function );
return( -1 );
}
return( 1 );
}
/* Copies the identifier to an UTF-32 encoded string
* The string size should include the end of string character
* Returns 1 if successful or -1 on error
*/
int libfguid_identifier_copy_to_utf32_string_with_index(
libfguid_identifier_t *identifier,
uint32_t *utf32_string,
size_t utf32_string_size,
size_t *utf32_string_index,
uint32_t string_format_flags,
libcerror_error_t **error )
{
libfguid_internal_identifier_t *internal_identifier = NULL;
static char *function = "libfguid_identifier_copy_to_utf32_string_with_index";
size_t string_index = 0;
size_t string_size = 0;
uint32_t required_flags = 0;
uint32_t supported_flags = 0;
uint8_t byte_value = 0;
uint8_t node_index = 0;
int8_t byte_shift = 0;
if( identifier == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid identifier.",
function );
return( -1 );
}
internal_identifier = (libfguid_internal_identifier_t *) identifier;
if( utf32_string == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-32.",
function );
return( -1 );
}
if( utf32_string_size > (size_t) SSIZE_MAX )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
"%s: UTF-32 string size exceeds maximum.",
function );
return( -1 );
}
if( utf32_string_index == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-32 index.",
function );
return( -1 );
}
required_flags = LIBFGUID_STRING_FORMAT_FLAG_USE_LOWER_CASE
| LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE;
if( ( string_format_flags & required_flags ) == 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
"%s: missing string format flags.",
function );
return( -1 );
}
supported_flags = required_flags
| LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES;
if( ( string_format_flags & ~( supported_flags ) ) != 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
"%s: unsupported string format flags: 0x%08" PRIx32 ".",
function,
string_format_flags );
return( -1 );
}
string_size = 37;
if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES ) != 0 )
{
string_size += 2;
}
string_index = *utf32_string_index;
if( ( string_index + string_size ) > utf32_string_size )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
"%s: UTF-32 string is too small.",
function );
return( -1 );
}
if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES ) != 0 )
{
utf32_string[ string_index++ ] = (uint32_t) '{';
}
byte_shift = 28;
do
{
byte_value = ( internal_identifier->time.lower >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf32_string[ string_index++ ] = (uint32_t) '0' + byte_value;
}
else if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
{
utf32_string[ string_index++ ] = (uint32_t) 'A' + byte_value - 10;
}
else
{
utf32_string[ string_index++ ] = (uint32_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
utf32_string[ string_index++ ] = (uint32_t) '-';
byte_shift = 12;
do
{
byte_value = ( internal_identifier->time.middle >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf32_string[ string_index++ ] = (uint32_t) '0' + byte_value;
}
else if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
{
utf32_string[ string_index++ ] = (uint32_t) 'A' + byte_value - 10;
}
else
{
utf32_string[ string_index++ ] = (uint32_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
utf32_string[ string_index++ ] = (uint32_t) '-';
byte_shift = 12;
do
{
byte_value = ( internal_identifier->time.upper >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf32_string[ string_index++ ] = (uint32_t) '0' + byte_value;
}
else if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
{
utf32_string[ string_index++ ] = (uint32_t) 'A' + byte_value - 10;
}
else
{
utf32_string[ string_index++ ] = (uint32_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
utf32_string[ string_index++ ] = (uint32_t) '-';
byte_shift = 4;
do
{
byte_value = ( internal_identifier->clock_sequence.upper >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf32_string[ string_index++ ] = (uint32_t) '0' + byte_value;
}
else if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
{
utf32_string[ string_index++ ] = (uint32_t) 'A' + byte_value - 10;
}
else
{
utf32_string[ string_index++ ] = (uint32_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
byte_shift = 4;
do
{
byte_value = ( internal_identifier->clock_sequence.lower >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf32_string[ string_index++ ] = (uint32_t) '0' + byte_value;
}
else if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
{
utf32_string[ string_index++ ] = (uint32_t) 'A' + byte_value - 10;
}
else
{
utf32_string[ string_index++ ] = (uint32_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
utf32_string[ string_index++ ] = (uint32_t) '-';
for( node_index = 0;
node_index < 6;
node_index++ )
{
byte_shift = 4;
do
{
byte_value = ( internal_identifier->node[ node_index ] >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf32_string[ string_index++ ] = (uint32_t) '0' + byte_value;
}
else if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE ) != 0 )
{
utf32_string[ string_index++ ] = (uint32_t) 'A' + byte_value - 10;
}
else
{
utf32_string[ string_index++ ] = (uint32_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
}
if( ( string_format_flags & LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES ) != 0 )
{
utf32_string[ string_index++ ] = (uint32_t) '}';
}
utf32_string[ string_index++ ] = 0;
*utf32_string_index = string_index;
return( 1 );
}