jnr.ffi

Class StructLayout.Signed8

java.lang.Object

jnr.ffi.StructLayout.Field

jnr.ffi.StructLayout.NumberField

jnr.ffi.StructLayout.Signed8

Enclosing class:

StructLayout

public class StructLayout.Signed8
extends StructLayout.NumberField

An 8 bit signed integer

Field Summary

Fields inherited from class jnr.ffi.StructLayout.NumberField

type

Constructor Summary

Constructors

Constructor and Description
Signed8() Creates a new 8 bit integer field.
Signed8(StructLayout.Offset offset) Creates a new 8 bit integer field at a specific offset

Method Summary

Modifier and Type	Method and Description
byte	byteValue(Pointer ptr) Returns a java byte representation of this field.
byte	get(Pointer ptr) Gets the value for this field.
int	intValue(Pointer ptr) Returns a java int representation of this field.
void	set(Pointer ptr, byte value) Sets the value for this field.
void	set(Pointer ptr, Number value) Sets the field to a new value.
short	shortValue(Pointer ptr) Returns a java short representation of this field.

Methods inherited from class jnr.ffi.StructLayout.NumberField

doubleValue, floatValue, longValue, toString

Methods inherited from class jnr.ffi.StructLayout.Field

enclosing, offset

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Signed8

public Signed8()

Creates a new 8 bit integer field.

Signed8

public Signed8(StructLayout.Offset offset)

Creates a new 8 bit integer field at a specific offset

Parameters:

offset - The offset within the memory area

Method Detail

get

public final byte get(Pointer ptr)

Gets the value for this field.

Parameters:

ptr - The pointer to the field.

Returns:

a byte.

set

public final void set(Pointer ptr,
                      byte value)

Sets the value for this field.

Parameters:

ptr - The memory to set the value in.

value - the 8 bit value to set.

set

public void set(Pointer ptr,
                Number value)

Description copied from class: StructLayout.NumberField

Sets the field to a new value.

Specified by:

set in class StructLayout.NumberField

Parameters:

ptr - The pointer to the field.

value - The new value.

byteValue

public final byte byteValue(Pointer ptr)

Returns a java byte representation of this field.

Overrides:

byteValue in class StructLayout.NumberField

Parameters:

ptr - The pointer to the field.

Returns:

a java byte value for this field.

shortValue

public final short shortValue(Pointer ptr)

Returns a java short representation of this field.

Overrides:

shortValue in class StructLayout.NumberField

Parameters:

ptr - The pointer to the field.

Returns:

a java short value for this field.

intValue

public final int intValue(Pointer ptr)

Returns a java int representation of this field.

Specified by:

intValue in class StructLayout.NumberField

Parameters:

ptr - The pointer to the field.

Returns:

a java int value for this field.