diff options
| author | Ian Moffett <ian@osmora.org> | 2025-09-25 18:09:22 -0400 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2025-09-25 18:09:22 -0400 |
| commit | 1e2ea1e37d5ec393debc3796abe4974241bd8704 (patch) | |
| tree | 99ad08b2744fa837c44d74bae2386d339b1b95c2 /src | |
| parent | c0493345dfbe6e2ee1411666b2b8f4293cead211 (diff) | |
sys: Add sys/_null.h
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/sys/include/sys/_null.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/sys/include/sys/_null.h b/src/sys/include/sys/_null.h new file mode 100644 index 0000000..e08ef00 --- /dev/null +++ b/src/sys/include/sys/_null.h @@ -0,0 +1,41 @@ +/* + * Copyright (c) 2025 Ian Marco Moffett and L5 engineers + * 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. + * 3. Neither the name of the project nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. + */ + +#ifndef _SYS__NULL_H_ +#define _SYS__NULL_H_ 1 + +#if defined(__cplusplus) +#if __cplusplus >= 201103L +#define NULL nullptr +#endif /* __cplusplus >= 201103L */ +#else +#define NULL ((void *)0) +#endif /* __cplusplus */ + +#endif /* !_SYS__NULL_H_ */ |