/* Copies an UTF-32 stream from an UTF-32 string
* Returns 1 if successful or -1 on error
*/
int libuna_utf32_stream_copy_from_utf32(
uint8_t *utf32_stream,
size_t utf32_stream_size,
int byte_order,
const libuna_utf32_character_t *utf32_string,
size_t utf32_string_size,
libcerror_error_t **error )
{
static char *function = "libuna_utf32_stream_copy_from_utf32";
libuna_unicode_character_t unicode_character = 0;
size_t utf32_stream_index = 0;
size_t utf32_string_index = 0;
if( utf32_stream == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-32 stream.",
function );
return( -1 );
}
if( utf32_stream_size > (size_t) SSIZE_MAX )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
"%s: invalid UTF-32 stream size value exceeds maximum.",
function );
return( -1 );
}
if( ( byte_order != LIBUNA_ENDIAN_BIG )
&& ( byte_order != LIBUNA_ENDIAN_LITTLE ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,
"%s: unsupported byte order.",
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( libuna_utf32_stream_copy_byte_order_mark(
utf32_stream,
utf32_stream_size,
&utf32_stream_index,
byte_order,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_CONVERSION,
LIBCERROR_CONVERSION_ERROR_OUTPUT_FAILED,
"%s: unable to copy UTF-32 byte order mark.",
function );
return( -1 );
}
while( utf32_string_index < utf32_string_size )
{
/* Convert the UTF-32 string bytes into an Unicode character
*/
if( libuna_unicode_character_copy_from_utf32(
&unicode_character,
utf32_string,
utf32_string_size,
&utf32_string_index,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_CONVERSION,
LIBCERROR_CONVERSION_ERROR_INPUT_FAILED,
"%s: unable to copy Unicode character from UTF-32 string.",
function );
return( -1 );
}
/* Convert the Unicode character into UTF-32 stream bytes
*/
if( libuna_unicode_character_copy_to_utf32_stream(
unicode_character,
utf32_stream,
utf32_stream_size,
&utf32_stream_index,
byte_order,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_CONVERSION,
LIBCERROR_CONVERSION_ERROR_OUTPUT_FAILED,
"%s: unable to copy Unicode character to UTF-32 stream.",
function );
return( -1 );
}
if( unicode_character == 0 )
{
break;
}
}
return( 1 );
}
/* Copies an UTF-32 stream from an UTF-32 string
* Returns 1 if successful or -1 on error
*/
int libuna_utf32_stream_copy_from_utf32(
uint8_t *utf32_stream,
size_t utf32_stream_size,
int byte_order,
const libuna_utf32_character_t *utf32_string,
size_t utf32_string_size,
libcerror_error_t **error )
{
static char *function = "libuna_utf32_stream_copy_from_utf32";
size_t utf32_string_index = 0;
size_t utf32_stream_index = 0;
libuna_utf32_character_t utf32_character = 0;
if( utf32_stream == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-32 stream.",
function );
return( -1 );
}
if( utf32_stream_size > (size_t) SSIZE_MAX )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
"%s: invalid UTF-32 stream size value exceeds maximum.",
function );
return( -1 );
}
if( ( byte_order != LIBUNA_ENDIAN_BIG )
&& ( byte_order != LIBUNA_ENDIAN_LITTLE ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,
"%s: unsupported byte order.",
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( libuna_utf32_stream_copy_byte_order_mark(
utf32_stream,
utf32_stream_size,
&utf32_stream_index,
byte_order,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_CONVERSION,
LIBCERROR_CONVERSION_ERROR_OUTPUT_FAILED,
"%s: unable to copy UTF-32 byte order mark.",
function );
return( -1 );
}
/* Assumes the UTF-32 string is santized
*/
while( utf32_string_index < utf32_string_size )
{
if( ( utf32_stream_index + 4 ) >= utf32_stream_size )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
"%s: UTF-32 stream too small.",
function );
return( -1 );
}
utf32_character = utf32_string[ utf32_string_index++ ];
if( byte_order == LIBUNA_ENDIAN_BIG )
{
utf32_stream[ utf32_stream_index + 2 ] = (uint8_t) ( utf32_character & 0xff );
utf32_character >>= 8;
utf32_stream[ utf32_stream_index + 3 ] = (uint8_t) ( utf32_character & 0xff );
utf32_character >>= 8;
utf32_stream[ utf32_stream_index + 1 ] = (uint8_t) ( utf32_character & 0xff );
utf32_character >>= 8;
utf32_stream[ utf32_stream_index ] = (uint8_t) ( utf32_character & 0xff );
}
else if( byte_order == LIBUNA_ENDIAN_LITTLE )
