org.graalvm.nativeimage.c.struct

Class SizeOf

java.lang.Object

org.graalvm.nativeimage.c.struct.SizeOf

public final class SizeOf
extends Object

Contains static methods that provide access to the size of dereferenced SystemJava pointer types (i.e. the size of the data structure pointed-to by SystemJava pointer). Note that this semantic differs from the sizeof-operator defined by the C programming language.

Since:

19.0

Method Summary

Modifier and Type	Method and Description
static int	get(Class<? extends PointerBase> clazz) Returns the size of the data structure pointed to by SystemJava pointer types.
static UnsignedWord	unsigned(Class<? extends PointerBase> clazz) Returns the size cast to UnsignedWord.

Methods inherited from class java.lang.Object

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

Method Detail

get

public static int get(Class<? extends PointerBase> clazz)

Returns the size of the data structure pointed to by SystemJava pointer types. The class must be annotated with CStruct, CPointerTo, or RawStructure.

Since:

19.0

unsigned

public static UnsignedWord unsigned(Class<? extends PointerBase> clazz)

Returns the size cast to UnsignedWord.

Since:

19.0