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author | mux <mux@FreeBSD.org> | 2002-11-13 15:14:57 +0000 |
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committer | mux <mux@FreeBSD.org> | 2002-11-13 15:14:57 +0000 |
commit | 8541a1e43c7c279070b24f811f3857836b02824b (patch) | |
tree | eef5c64d01102c426fab3d5c23671b0b99ffed83 /sys/sys/stddef.h | |
parent | 7920e22cea169d5aaff2a66cc1383ec4f6e63e12 (diff) | |
download | FreeBSD-src-8541a1e43c7c279070b24f811f3857836b02824b.zip FreeBSD-src-8541a1e43c7c279070b24f811f3857836b02824b.tar.gz |
Add the sys/stddef.h header, so that we can have ptrdiff_t
definition in the kernel. It also includes the offsetof()
definition which, according to bde@ should be here and not
in sys/types.h, and the definition of NULL so that we're
closer to make it closer to standard C.
Reviewed by: mike
Diffstat (limited to 'sys/sys/stddef.h')
-rw-r--r-- | sys/sys/stddef.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/sys/sys/stddef.h b/sys/sys/stddef.h new file mode 100644 index 0000000..4104564 --- /dev/null +++ b/sys/sys/stddef.h @@ -0,0 +1,43 @@ +/*- + * Copyright (c) 2002 Maxime Henrion <mux@FreeBSD.org> + * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 _SYS_STDDEF_H_ +#define _SYS_STDDEF_H_ + +#include <sys/cdefs.h> +#include <machine/_types.h> + +typedef __ptrdiff_t ptrdiff_t; + +#define offsetof(type, field) __offsetof(type, field) + +#ifndef NULL +#define NULL 0 +#endif + +#endif /* !_SYS_STDDEF_H_ */ |