diff options
| author | Dan Handley <dan.handley@arm.com> | 2016-06-02 17:15:13 +0100 |
|---|---|---|
| committer | Dan Handley <dan.handley@arm.com> | 2016-06-03 14:20:48 +0100 |
| commit | f0b489c1d2d4d176c06e34af9e881303816a5584 (patch) | |
| tree | 5255ebbf56a21e32af6c19383a0071618b09cfe9 /include/lib/stdlib/sys/_null.h | |
| parent | a7e530331d7cf4b58618f0715e61b5a872176f07 (diff) | |
Move stdlib header files to include/lib/stdlib
* Move stdlib header files from include/stdlib to include/lib/stdlib for
consistency with other library headers.
* Fix checkpatch paths to continue excluding stdlib files.
* Create stdlib.mk to define the stdlib source files and include directories.
* Include stdlib.mk from the top level Makefile.
* Update stdlib header path in the fip_create Makefile.
* Update porting-guide.md with the new paths.
Change-Id: Ia92c2dc572e9efb54a783e306b5ceb2ce24d27fa
Diffstat (limited to 'include/lib/stdlib/sys/_null.h')
| -rw-r--r-- | include/lib/stdlib/sys/_null.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/include/lib/stdlib/sys/_null.h b/include/lib/stdlib/sys/_null.h new file mode 100644 index 00000000..92706c6a --- /dev/null +++ b/include/lib/stdlib/sys/_null.h @@ -0,0 +1,47 @@ +/*- + * Copyright (c) 2003 Marcel Moolenaar + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef NULL + +#if !defined(__cplusplus) +#define NULL ((void *)0) +#else +#if __cplusplus >= 201103L +#define NULL nullptr +#elif defined(__GNUG__) && defined(__GNUC__) && __GNUC__ >= 4 +#define NULL __null +#else +#if defined(__LP64__) +#define NULL (0L) +#else +#define NULL 0 +#endif /* __LP64__ */ +#endif /* __GNUG__ */ +#endif /* !__cplusplus */ + +#endif |