source: libcfa/src/virtual.c @ 200fcb3

ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsdeferred_resnenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprno_listpersistent-indexerpthread-emulationqualifiedEnum
Last change on this file since 200fcb3 was bf71cfd, checked in by Thierry Delisle <tdelisle@…>, 6 years ago

Moved up many directories in source

  • Property mode set to 100644
File size: 854 bytes
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// virtual.c --
8//
9// Author           : Andrew Beach
10// Created On       : Tus Jul 11 15:10:00 2017
11// Last Modified By : Andrew Beach
12// Last Modified On : Wed Jul 26 14:24:00 2017
13// Update Count     : 1
14//
15
16#include "virtual.h"
17
18int __cfa__is_parent( struct __cfa__parent_vtable const * parent,
19        struct __cfa__parent_vtable const * child ) {
20        do {
21                if ( parent == child )
22                        return 1;
23                child = child->parent;
24        } while ( child );
25        return 0;
26}
27
28void * __cfa__virtual_cast( struct __cfa__parent_vtable const * parent,
29        struct __cfa__parent_vtable const * const * child ) {
30        return (__cfa__is_parent(parent, *child)) ? (void *)child : (void *)0;
31}
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