kinichiro 461ec45335 Add queue.h tree.h _null.h
Import queue.h tree.h _null.h header files from OpenBSD upstream
since x509_issuer_cache.c requires them.
2020-09-13 21:56:34 +09:00

19 lines
333 B
C++

/* $OpenBSD: _null.h,v 1.2 2016/09/09 22:07:58 millert Exp $ */
/*
* Written by Todd C. Miller, September 9, 2016
* Public domain.
*/
#ifndef NULL
#if !defined(__cplusplus)
#define NULL ((void *)0)
#elif __cplusplus >= 201103L
#define NULL nullptr
#elif defined(__GNUG__)
#define NULL __null
#else
#define NULL 0L
#endif
#endif