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| author | Joel Sherrill <joel.sherrill@oarcorp.com> | 2012-07-11 16:01:37 -0500 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@oarcorp.com> | 2012-07-11 16:01:37 -0500 |
| commit | 028aaafa79bda01c0d0456266df9510ad4caeca9 (patch) | |
| tree | f2cdda7c295433673d24a87d8326e83d50607c1a /freebsd-userspace/sys/sys/_null.h | |
| parent | Makefile: Fix clean and install of user space (diff) | |
| download | rtems-libbsd-028aaafa79bda01c0d0456266df9510ad4caeca9.tar.bz2 | |
freebsd-userspace: All files in old libnetworking/libc now present
But they don't all compile. Multiple issues left to address.
Diffstat (limited to 'freebsd-userspace/sys/sys/_null.h')
| -rw-r--r-- | freebsd-userspace/sys/sys/_null.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/freebsd-userspace/sys/sys/_null.h b/freebsd-userspace/sys/sys/_null.h new file mode 100644 index 00000000..ed6804cc --- /dev/null +++ b/freebsd-userspace/sys/sys/_null.h @@ -0,0 +1,45 @@ +/*- + * 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 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 |