File: //home/django/libpff/libfdatetime/libfdatetime_fat_date_time.c
/*
* FAT date and time functions
*
* Copyright (C) 2009-2024, 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 "libfdatetime_definitions.h"
#include "libfdatetime_date_time_values.h"
#include "libfdatetime_fat_date_time.h"
#include "libfdatetime_libcerror.h"
#include "libfdatetime_types.h"
/* Creates a FAT date and time
* Make sure the value fat_date_time is referencing, is set to NULL
* Returns 1 if successful or -1 on error
*/
int libfdatetime_fat_date_time_initialize(
libfdatetime_fat_date_time_t **fat_date_time,
libcerror_error_t **error )
{
libfdatetime_internal_fat_date_time_t *internal_fat_date_time = NULL;
static char *function = "libfdatetime_fat_date_time_initialize";
if( fat_date_time == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid FAT date time.",
function );
return( -1 );
}
if( *fat_date_time != NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
"%s: invalid FAT date time value already set.",
function );
return( -1 );
}
internal_fat_date_time = memory_allocate_structure(
libfdatetime_internal_fat_date_time_t );
if( internal_fat_date_time == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
"%s: unable to create FAT date time.",
function );
goto on_error;
}
if( memory_set(
internal_fat_date_time,
0,
sizeof( libfdatetime_internal_fat_date_time_t ) ) == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_SET_FAILED,
"%s: unable to clear FAT date time.",
function );
goto on_error;
}
*fat_date_time = (libfdatetime_fat_date_time_t *) internal_fat_date_time;
return( 1 );
on_error:
if( internal_fat_date_time != NULL )
{
memory_free(
internal_fat_date_time );
}
return( -1 );
}
/* Frees a FAT date and time
* Returns 1 if successful or -1 on error
*/
int libfdatetime_fat_date_time_free(
libfdatetime_fat_date_time_t **fat_date_time,
libcerror_error_t **error )
{
libfdatetime_internal_fat_date_time_t *internal_fat_date_time = NULL;
static char *function = "libfdatetime_fat_date_time_free";
if( fat_date_time == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid FAT date time.",
function );
return( -1 );
}
if( *fat_date_time != NULL )
{
internal_fat_date_time = (libfdatetime_internal_fat_date_time_t *) *fat_date_time;
*fat_date_time = NULL;
memory_free(
internal_fat_date_time );
}
return( 1 );
}
/* Converts a byte stream into a FAT date and time
* Returns 1 if successful or -1 on error
*/
int libfdatetime_fat_date_time_copy_from_byte_stream(
libfdatetime_fat_date_time_t *fat_date_time,
const uint8_t *byte_stream,
size_t byte_stream_size,
int byte_order,
libcerror_error_t **error )
{
libfdatetime_internal_fat_date_time_t *internal_fat_date_time = NULL;
static char *function = "libfdatetime_fat_date_time_copy_from_byte_stream";
if( fat_date_time == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid FAT date time.",
function );
return( -1 );
}
internal_fat_date_time = (libfdatetime_internal_fat_date_time_t *) fat_date_time;
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 < 4 )
{
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 != LIBFDATETIME_ENDIAN_BIG )
&& ( byte_order != LIBFDATETIME_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 == LIBFDATETIME_ENDIAN_LITTLE )
{
byte_stream_copy_to_uint16_little_endian(
byte_stream,
internal_fat_date_time->date );
byte_stream += 2;
byte_stream_copy_to_uint16_little_endian(
byte_stream,
internal_fat_date_time->time );
}
else if( byte_order == LIBFDATETIME_ENDIAN_BIG )
{
byte_stream_copy_to_uint16_big_endian(
byte_stream,
internal_fat_date_time->date );
byte_stream += 2;
byte_stream_copy_to_uint16_big_endian(
byte_stream,
internal_fat_date_time->time );
}
return( 1 );
}
/* Converts a 32-bit value into a FAT date and time
* Returns 1 if successful or -1 on error
*/
int libfdatetime_fat_date_time_copy_from_32bit(
libfdatetime_fat_date_time_t *fat_date_time,
uint32_t value_32bit,
libcerror_error_t **error )
{
libfdatetime_internal_fat_date_time_t *internal_fat_date_time = NULL;
static char *function = "libfdatetime_fat_date_time_copy_from_32bit";
if( fat_date_time == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid FAT date time.",
function );
return( -1 );
}
internal_fat_date_time = (libfdatetime_internal_fat_date_time_t *) fat_date_time;
internal_fat_date_time->date = (uint16_t) ( value_32bit & 0x0ffffL );
internal_fat_date_time->time = (uint16_t) ( value_32bit >> 16 );
return( 1 );
}
/* Converts a FAT date and time into a 32-bit value
* Returns 1 if successful or -1 on error
*/
int libfdatetime_fat_date_time_copy_to_32bit(
libfdatetime_fat_date_time_t *fat_date_time,
uint32_t *value_32bit,
libcerror_error_t **error )
{
libfdatetime_internal_fat_date_time_t *internal_fat_date_time = NULL;
static char *function = "libfdatetime_fat_date_time_copy_to_32bit";
if( fat_date_time == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid FAT date time.",
function );
return( -1 );
}
internal_fat_date_time = (libfdatetime_internal_fat_date_time_t *) fat_date_time;
if( value_32bit == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid 32-bit value.",
function );
return( -1 );
}
*value_32bit = internal_fat_date_time->time;
*value_32bit <<= 16;
*value_32bit |= internal_fat_date_time->date;
return( 1 );
}
/* Converts a FAT date and time into date time values
* Returns 1 if successful or -1 on error
*/
int libfdatetime_internal_fat_date_time_copy_to_date_time_values(
libfdatetime_internal_fat_date_time_t *internal_fat_date_time,
libfdatetime_date_time_values_t *date_time_values,
libcerror_error_t **error )
{
static char *function = "libfdatetime_internal_fat_date_time_copy_to_date_time_values";
if( internal_fat_date_time == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid FAT date time.",
function );
return( -1 );
}
if( date_time_values == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid date time values.",
function );
return( -1 );
}
/* The year value is stored in bits 9 - 15 of the date (7 bits)
* A year value of 0 represents 1980
*/
date_time_values->year = (uint16_t) ( 1980 + ( ( internal_fat_date_time->date >> 9 ) & 0x7f ) );
/* The month value is stored in bits 5 - 8 of the date (4 bits)
* A month value of 1 represents January
*/
date_time_values->month = (uint8_t) ( ( internal_fat_date_time->date >> 5 ) & 0x0f );
/* The day value is stored in bits 0 - 4 of the date (5 bits)
*/
date_time_values->day = (uint8_t) ( internal_fat_date_time->date & 0x1f );
/* The hours value is stored in bits 11 - 15 of the time (5 bits)
*/
date_time_values->hours = (uint8_t) ( ( internal_fat_date_time->time >> 11 ) & 0x1f );
/* The minutes value is stored in bits 5 - 10 of the time (6 bits)
*/
date_time_values->minutes = (uint8_t) ( ( internal_fat_date_time->time >> 5 ) & 0x3f );
/* The seconds value is stored in bits 0 - 4 of the time (5 bits)
* The seconds are stored as 2 second intervals
*/
date_time_values->seconds = (uint8_t) ( internal_fat_date_time->time & 0x1f ) * 2;
date_time_values->milli_seconds = 0;
date_time_values->micro_seconds = 0;
date_time_values->nano_seconds = 0;
return( 1 );
}
/* Deterimes the size of the string for the FAT date time
* The string size includes the end of string character
* Returns 1 if successful or -1 on error
*/
int libfdatetime_fat_date_time_get_string_size(
libfdatetime_fat_date_time_t *fat_date_time,
size_t *string_size,
uint32_t string_format_flags,
libcerror_error_t **error )
{
libfdatetime_date_time_values_t date_time_values;
static char *function = "libfdatetime_fat_date_time_get_string_size";
int result = 0;
if( fat_date_time == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid FAT date time.",
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 );
}
result = libfdatetime_internal_fat_date_time_copy_to_date_time_values(
(libfdatetime_internal_fat_date_time_t *) fat_date_time,
&date_time_values,
error );
if( result != 1 )
{
#if defined( HAVE_DEBUG_OUTPUT )
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to set date time values.",
function );
/* TODO debug print error */
#endif /* defined( HAVE_DEBUG_OUTPUT ) */
if( ( error != NULL )
&& ( *error != NULL ) )
{
libcerror_error_free(
error );
}
}
else
{
result = libfdatetime_date_time_values_get_string_size(
&date_time_values,
string_size,
string_format_flags,
error );
if( result == -1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to get string size.",
function );
return( -1 );
}
}
if( result != 1 )
{
/* Make sure the string can hold the hexadecimal representation of the FAT date time
*/
*string_size = 16;
}
return( 1 );
}
/* Converts the FAT date and time into an UTF-8 string in hexadecimal representation
* The string size should include the end of string character
* Returns 1 if successful or -1 on error
*/
int libfdatetime_internal_fat_date_time_copy_to_utf8_string_in_hexadecimal(
libfdatetime_internal_fat_date_time_t *internal_fat_date_time,
uint8_t *utf8_string,
size_t utf8_string_size,
size_t *utf8_string_index,
libcerror_error_t **error )
{
static char *function = "libfdatetime_internal_fat_date_time_copy_to_utf8_string_in_hexadecimal";
size_t string_index = 0;
uint8_t byte_value = 0;
int8_t byte_shift = 0;
if( internal_fat_date_time == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid FAT date time.",
function );
return( -1 );
}
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_size > (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 string index.",
function );
return( -1 );
}
if( ( utf8_string_size < 16 )
|| ( *utf8_string_index > ( utf8_string_size - 16 ) ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
"%s: UTF-8 string is too small.",
function );
return( -1 );
}
string_index = *utf8_string_index;
utf8_string[ string_index++ ] = (uint8_t) '(';
utf8_string[ string_index++ ] = (uint8_t) '0';
utf8_string[ string_index++ ] = (uint8_t) 'x';
byte_shift = 12;
do
{
byte_value = ( internal_fat_date_time->date >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf8_string[ string_index++ ] = (uint8_t) '0' + byte_value;
}
else
{
utf8_string[ string_index++ ] = (uint8_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
utf8_string[ string_index++ ] = (uint8_t) ' ';
utf8_string[ string_index++ ] = (uint8_t) '0';
utf8_string[ string_index++ ] = (uint8_t) 'x';
byte_shift = 12;
do
{
byte_value = ( internal_fat_date_time->time >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf8_string[ string_index++ ] = (uint8_t) '0' + byte_value;
}
else
{
utf8_string[ string_index++ ] = (uint8_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
utf8_string[ string_index++ ] = (uint8_t) ')';
utf8_string[ string_index++ ] = 0;
*utf8_string_index = string_index;
return( 1 );
}
/* Converts the FAT date and time into an UTF-8 string
* The string size should include the end of string character
* Returns 1 if successful or -1 on error
*/
int libfdatetime_fat_date_time_copy_to_utf8_string(
libfdatetime_fat_date_time_t *fat_date_time,
uint8_t *utf8_string,
size_t utf8_string_size,
uint32_t string_format_flags,
libcerror_error_t **error )
{
static char *function = "libfdatetime_fat_date_time_copy_to_utf8_string";
size_t utf8_string_index = 0;
if( libfdatetime_fat_date_time_copy_to_utf8_string_with_index(
fat_date_time,
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 FAT date time to UTF-8 string.",
function );
return( -1 );
}
return( 1 );
}
/* Converts the FAT date and time into an UTF-8 string
* The string size should include the end of string character
* Returns 1 if successful or -1 on error
*/
int libfdatetime_fat_date_time_copy_to_utf8_string_with_index(
libfdatetime_fat_date_time_t *fat_date_time,
uint8_t *utf8_string,
size_t utf8_string_size,
size_t *utf8_string_index,
uint32_t string_format_flags,
libcerror_error_t **error )
{
libfdatetime_date_time_values_t date_time_values;
libfdatetime_internal_fat_date_time_t *internal_fat_date_time = NULL;
static char *function = "libfdatetime_fat_date_time_copy_to_utf8_string_with_index";
int result = 0;
if( fat_date_time == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid FAT date time.",
function );
return( -1 );
}
internal_fat_date_time = (libfdatetime_internal_fat_date_time_t *) fat_date_time;
result = libfdatetime_internal_fat_date_time_copy_to_date_time_values(
internal_fat_date_time,
&date_time_values,
error );
if( result != 1 )
{
#if defined( HAVE_DEBUG_OUTPUT )
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to set date time values.",
function );
/* TODO debug print error */
#endif /* defined( HAVE_DEBUG_OUTPUT ) */
if( ( error != NULL )
&& ( *error != NULL ) )
{
libcerror_error_free(
error );
}
}
else
{
result = libfdatetime_date_time_values_copy_to_utf8_string_with_index(
&date_time_values,
utf8_string,
utf8_string_size,
utf8_string_index,
string_format_flags,
error );
if( result == -1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to copy date time values to UTF-8 string.",
function );
return( -1 );
}
}
if( result != 1 )
{
result = libfdatetime_internal_fat_date_time_copy_to_utf8_string_in_hexadecimal(
internal_fat_date_time,
utf8_string,
utf8_string_size,
utf8_string_index,
error );
if( result == -1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to FAT date time values to hexadecimal UTF-8 string.",
function );
return( -1 );
}
}
return( 1 );
}
/* Converts the FAT date and time into an UTF-16 string in hexadecimal representation
* The string size should include the end of string character
* Returns 1 if successful or -1 on error
*/
int libfdatetime_internal_fat_date_time_copy_to_utf16_string_in_hexadecimal(
libfdatetime_internal_fat_date_time_t *internal_fat_date_time,
uint16_t *utf16_string,
size_t utf16_string_size,
size_t *utf16_string_index,
libcerror_error_t **error )
{
static char *function = "libfdatetime_internal_fat_date_time_copy_to_utf16_string_in_hexadecimal";
size_t string_index = 0;
uint8_t byte_value = 0;
int8_t byte_shift = 0;
if( internal_fat_date_time == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid FAT date time.",
function );
return( -1 );
}
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_size > (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 string index.",
function );
return( -1 );
}
if( ( utf16_string_size < 16 )
|| ( *utf16_string_index > ( utf16_string_size - 16 ) ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
"%s: UTF-16 string is too small.",
function );
return( -1 );
}
string_index = *utf16_string_index;
utf16_string[ string_index++ ] = (uint16_t) '(';
utf16_string[ string_index++ ] = (uint16_t) '0';
utf16_string[ string_index++ ] = (uint16_t) 'x';
byte_shift = 12;
do
{
byte_value = ( internal_fat_date_time->date >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf16_string[ string_index++ ] = (uint16_t) '0' + byte_value;
}
else
{
utf16_string[ string_index++ ] = (uint16_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
utf16_string[ string_index++ ] = (uint16_t) ' ';
utf16_string[ string_index++ ] = (uint16_t) '0';
utf16_string[ string_index++ ] = (uint16_t) 'x';
byte_shift = 12;
do
{
byte_value = ( internal_fat_date_time->time >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf16_string[ string_index++ ] = (uint16_t) '0' + byte_value;
}
else
{
utf16_string[ string_index++ ] = (uint16_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
utf16_string[ string_index++ ] = (uint16_t) ')';
utf16_string[ string_index++ ] = 0;
*utf16_string_index = string_index;
return( 1 );
}
/* Converts the FAT date and time into an UTF-16 string
* The string size should include the end of string character
* Returns 1 if successful or -1 on error
*/
int libfdatetime_fat_date_time_copy_to_utf16_string(
libfdatetime_fat_date_time_t *fat_date_time,
uint16_t *utf16_string,
size_t utf16_string_size,
uint32_t string_format_flags,
libcerror_error_t **error )
{
static char *function = "libfdatetime_fat_date_time_copy_to_utf16_string";
size_t utf16_string_index = 0;
if( libfdatetime_fat_date_time_copy_to_utf16_string_with_index(
fat_date_time,
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 FAT date time to UTF-16 string.",
function );
return( -1 );
}
return( 1 );
}
/* Converts the FAT date and time into an UTF-16 string
* The string size should include the end of string character
* Returns 1 if successful or -1 on error
*/
int libfdatetime_fat_date_time_copy_to_utf16_string_with_index(
libfdatetime_fat_date_time_t *fat_date_time,
uint16_t *utf16_string,
size_t utf16_string_size,
size_t *utf16_string_index,
uint32_t string_format_flags,
libcerror_error_t **error )
{
libfdatetime_date_time_values_t date_time_values;
libfdatetime_internal_fat_date_time_t *internal_fat_date_time = NULL;
static char *function = "libfdatetime_fat_date_time_copy_to_utf16_string_with_index";
int result = 0;
if( fat_date_time == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid FAT date time.",
function );
return( -1 );
}
internal_fat_date_time = (libfdatetime_internal_fat_date_time_t *) fat_date_time;
result = libfdatetime_internal_fat_date_time_copy_to_date_time_values(
(libfdatetime_internal_fat_date_time_t *) fat_date_time,
&date_time_values,
error );
if( result != 1 )
{
#if defined( HAVE_DEBUG_OUTPUT )
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to set date time values.",
function );
/* TODO debug print error */
#endif /* defined( HAVE_DEBUG_OUTPUT ) */
if( ( error != NULL )
&& ( *error != NULL ) )
{
libcerror_error_free(
error );
}
}
else
{
result = libfdatetime_date_time_values_copy_to_utf16_string_with_index(
&date_time_values,
utf16_string,
utf16_string_size,
utf16_string_index,
string_format_flags,
error );
if( result == -1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to copy date time values to UTF-16 string.",
function );
return( -1 );
}
}
if( result != 1 )
{
result = libfdatetime_internal_fat_date_time_copy_to_utf16_string_in_hexadecimal(
internal_fat_date_time,
utf16_string,
utf16_string_size,
utf16_string_index,
error );
if( result == -1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to FAT date time values to hexadecimal UTF-16 string.",
function );
return( -1 );
}
}
return( 1 );
}
/* Converts the FAT date and time into an UTF-32 string in hexadecimal representation
* The string size should include the end of string character
* Returns 1 if successful or -1 on error
*/
int libfdatetime_internal_fat_date_time_copy_to_utf32_string_in_hexadecimal(
libfdatetime_internal_fat_date_time_t *internal_fat_date_time,
uint32_t *utf32_string,
size_t utf32_string_size,
size_t *utf32_string_index,
libcerror_error_t **error )
{
static char *function = "libfdatetime_internal_fat_date_time_copy_to_utf32_string_in_hexadecimal";
size_t string_index = 0;
uint8_t byte_value = 0;
int8_t byte_shift = 0;
if( internal_fat_date_time == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid FAT date time.",
function );
return( -1 );
}
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_size > (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 string index.",
function );
return( -1 );
}
if( ( utf32_string_size < 16 )
|| ( *utf32_string_index > ( utf32_string_size - 16 ) ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
"%s: UTF-32 string is too small.",
function );
return( -1 );
}
string_index = *utf32_string_index;
utf32_string[ string_index++ ] = (uint32_t) '(';
utf32_string[ string_index++ ] = (uint32_t) '0';
utf32_string[ string_index++ ] = (uint32_t) 'x';
byte_shift = 12;
do
{
byte_value = ( internal_fat_date_time->date >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf32_string[ string_index++ ] = (uint32_t) '0' + byte_value;
}
else
{
utf32_string[ string_index++ ] = (uint32_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
utf32_string[ string_index++ ] = (uint32_t) ' ';
utf32_string[ string_index++ ] = (uint32_t) '0';
utf32_string[ string_index++ ] = (uint32_t) 'x';
byte_shift = 12;
do
{
byte_value = ( internal_fat_date_time->time >> byte_shift ) & 0x0f;
if( byte_value <= 9 )
{
utf32_string[ string_index++ ] = (uint32_t) '0' + byte_value;
}
else
{
utf32_string[ string_index++ ] = (uint32_t) 'a' + byte_value - 10;
}
byte_shift -= 4;
}
while( byte_shift >= 0 );
utf32_string[ string_index++ ] = (uint32_t) ')';
utf32_string[ string_index++ ] = 0;
*utf32_string_index = string_index;
return( 1 );
}
/* Converts the FAT date and time into an UTF-32 string
* The string size should include the end of string character
* Returns 1 if successful or -1 on error
*/
int libfdatetime_fat_date_time_copy_to_utf32_string(
libfdatetime_fat_date_time_t *fat_date_time,
uint32_t *utf32_string,
size_t utf32_string_size,
uint32_t string_format_flags,
libcerror_error_t **error )
{
static char *function = "libfdatetime_fat_date_time_copy_to_utf32_string";
size_t utf32_string_index = 0;
if( libfdatetime_fat_date_time_copy_to_utf32_string_with_index(
fat_date_time,
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 FAT date time to UTF-32 string.",
function );
return( -1 );
}
return( 1 );
}
/* Converts the FAT date and time into an UTF-32 string
* The string size should include the end of string character
* Returns 1 if successful or -1 on error
*/
int libfdatetime_fat_date_time_copy_to_utf32_string_with_index(
libfdatetime_fat_date_time_t *fat_date_time,
uint32_t *utf32_string,
size_t utf32_string_size,
size_t *utf32_string_index,
uint32_t string_format_flags,
libcerror_error_t **error )
{
libfdatetime_date_time_values_t date_time_values;
libfdatetime_internal_fat_date_time_t *internal_fat_date_time = NULL;
static char *function = "libfdatetime_fat_date_time_copy_to_utf32_string_with_index";
int result = 0;
if( fat_date_time == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid FAT date time.",
function );
return( -1 );
}
internal_fat_date_time = (libfdatetime_internal_fat_date_time_t *) fat_date_time;
result = libfdatetime_internal_fat_date_time_copy_to_date_time_values(
(libfdatetime_internal_fat_date_time_t *) fat_date_time,
&date_time_values,
error );
if( result != 1 )
{
#if defined( HAVE_DEBUG_OUTPUT )
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to set date time values.",
function );
/* TODO debug print error */
#endif /* defined( HAVE_DEBUG_OUTPUT ) */
if( ( error != NULL )
&& ( *error != NULL ) )
{
libcerror_error_free(
error );
}
}
else
{
result = libfdatetime_date_time_values_copy_to_utf32_string_with_index(
&date_time_values,
utf32_string,
utf32_string_size,
utf32_string_index,
string_format_flags,
error );
if( result == -1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to copy date time values to UTF-32 string.",
function );
return( -1 );
}
}
if( result != 1 )
{
result = libfdatetime_internal_fat_date_time_copy_to_utf32_string_in_hexadecimal(
internal_fat_date_time,
utf32_string,
utf32_string_size,
utf32_string_index,
error );
if( result == -1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_SET_FAILED,
"%s: unable to FAT date time values to hexadecimal UTF-32 string.",
function );
return( -1 );
}
}
return( 1 );
}