diff options
Diffstat (limited to 'include/linux/typecheck.h')
| -rw-r--r-- | include/linux/typecheck.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/typecheck.h b/include/linux/typecheck.h index eb5b74a575be..46b15e2aaefb 100644 --- a/include/linux/typecheck.h +++ b/include/linux/typecheck.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef TYPECHECK_H_INCLUDED #define TYPECHECK_H_INCLUDED @@ -21,4 +22,13 @@ (void)__tmp; \ }) +/* + * Check at compile time that something is a pointer type. + */ +#define typecheck_pointer(x) \ +({ typeof(x) __dummy; \ + (void)sizeof(*__dummy); \ + 1; \ +}) + #endif /* TYPECHECK_H_INCLUDED */ |