C++ (Cpp) libfdata_stream_seek_offset 예제들

예제 #1

파일: libexe_section.c 프로젝트: WilliamMaber/libexe

/* Seeks a certain offset of the data
 * Returns the offset if seek is successful or -1 on error
 */
off64_t libexe_section_seek_offset(
         libexe_section_t *section,
         off64_t offset,
         int whence,
         libcerror_error_t **error )
{
	libexe_internal_section_t *internal_section = NULL;
	static char *function                       = "libexe_section_seek_offset";

	if( section == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
		 "%s: invalid section.",
		 function );

		return( -1 );
	}
	internal_section = (libexe_internal_section_t *) section;

	if( internal_section->section_descriptor == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
		 "%s: invalid section - missing section descriptor.",
		 function );

		return( -1 );
	}
	offset = libfdata_stream_seek_offset(
	          internal_section->section_descriptor->data_stream,
	          offset,
	          whence,
	          error );

	if( offset == -1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_IO,
		 LIBCERROR_IO_ERROR_SEEK_FAILED,
		 "%s: unable to seek in section data stream.",
		 function );

		return( -1 );
	}
	return( offset );
}

예제 #2

파일: libfsntfs_data_stream.c 프로젝트: libyal/libfsntfs

/* Seeks a certain offset
 * Returns the offset if seek is successful or -1 on error
 */
off64_t libfsntfs_data_stream_seek_offset(
         libfsntfs_data_stream_t *data_stream,
         off64_t offset,
         int whence,
         libcerror_error_t **error )
{
	libfsntfs_internal_data_stream_t *internal_data_stream = NULL;
	static char *function                                  = "libfsntfs_data_stream_seek_offset";

	if( data_stream == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
		 "%s: invalid data stream.",
		 function );

		return( -1 );
	}
	internal_data_stream = (libfsntfs_internal_data_stream_t *) data_stream;

	offset = libfdata_stream_seek_offset(
	          internal_data_stream->data_cluster_block_stream,
	          offset,
	          whence,
	          error );

	if( offset == -1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_IO,
		 LIBCERROR_IO_ERROR_SEEK_FAILED,
		 "%s: unable to seek offset in data cluster block stream.",
		 function );

		return( -1 );
	}
	return( offset );
}