Package jnr.ffi
Class StructLayout.Signed8
- java.lang.Object
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- jnr.ffi.StructLayout.Field
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- jnr.ffi.StructLayout.NumberField
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- jnr.ffi.StructLayout.Signed8
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- Enclosing class:
- StructLayout
public class StructLayout.Signed8 extends StructLayout.NumberField
An 8 bit signed integer
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Field Summary
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Fields inherited from class jnr.ffi.StructLayout.NumberField
type
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Constructor Summary
Constructors Constructor Description Signed8()
Creates a new 8 bit integer field.Signed8(StructLayout.Offset offset)
Creates a new 8 bit integer field at a specific offset
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method 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, java.lang.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
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Methods inherited from class jnr.ffi.StructLayout.Field
enclosing, offset
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Constructor Detail
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Signed8
public Signed8()
Creates a new 8 bit integer field.
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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
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Method Detail
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get
public final byte get(Pointer ptr)
Gets the value for this field.- Parameters:
ptr
- The pointer to the field.- Returns:
- a byte.
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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.
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set
public void set(Pointer ptr, java.lang.Number value)
Description copied from class:StructLayout.NumberField
Sets the field to a new value.- Specified by:
set
in classStructLayout.NumberField
- Parameters:
ptr
- The pointer to the field.value
- The new value.
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byteValue
public final byte byteValue(Pointer ptr)
Returns a java byte representation of this field.- Overrides:
byteValue
in classStructLayout.NumberField
- Parameters:
ptr
- The pointer to the field.- Returns:
- a java byte value for this field.
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shortValue
public final short shortValue(Pointer ptr)
Returns a java short representation of this field.- Overrides:
shortValue
in classStructLayout.NumberField
- Parameters:
ptr
- The pointer to the field.- Returns:
- a java short value for this field.
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intValue
public final int intValue(Pointer ptr)
Returns a java int representation of this field.- Specified by:
intValue
in classStructLayout.NumberField
- Parameters:
ptr
- The pointer to the field.- Returns:
- a java int value for this field.
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