linux-kernel - [PATCH next v2 02/11] minmax: Use _Static_assert() instead of static

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Message-ID: <8059bc04da1a45bc810ac339a1129a4c@AcuMS.aculab.com>
Date: Sun, 25 Feb 2024 16:49:10 +0000
From: David Laight <David.Laight@...LAB.COM>
To: "'linux-kernel@...r.kernel.org'" <linux-kernel@...r.kernel.org>, "'Linus
 Torvalds'" <torvalds@...ux-foundation.org>, 'Netdev'
	<netdev@...r.kernel.org>, "'dri-devel@...ts.freedesktop.org'"
	<dri-devel@...ts.freedesktop.org>
CC: 'Jens Axboe' <axboe@...nel.dk>, "'Matthew Wilcox (Oracle)'"
	<willy@...radead.org>, 'Christoph Hellwig' <hch@...radead.org>,
	"'linux-btrfs@...r.kernel.org'" <linux-btrfs@...r.kernel.org>, "'Andrew
 Morton'" <akpm@...ux-foundation.org>, 'Andy Shevchenko'
	<andriy.shevchenko@...ux.intel.com>, "'David S . Miller'"
	<davem@...emloft.net>, 'Dan Carpenter' <dan.carpenter@...aro.org>, "'Jani
 Nikula'" <jani.nikula@...ux.intel.com>
Subject: [PATCH next v2 02/11] minmax: Use _Static_assert() instead of
 static_assert()

The wrapper just adds two more lines of error output when the test fails.

Signed-off-by: David Laight <david.laight@...lab.com>
---
 include/linux/minmax.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

Changes for v2:
- Typographical and spelling corrections to the commit messages.
  Patches unchanged.

diff --git a/include/linux/minmax.h b/include/linux/minmax.h
index 63c45865b48a..900eec7a28e5 100644
--- a/include/linux/minmax.h
+++ b/include/linux/minmax.h
@@ -48,7 +48,7 @@
 #define __cmp_once(op, x, y, unique_x, unique_y) ({	\
 	typeof(x) unique_x = (x);			\
 	typeof(y) unique_y = (y);			\
-	static_assert(__types_ok(x, y),			\
+	_Static_assert(__types_ok(x, y),			\
 		#op "(" #x ", " #y ") signedness error, fix types or consider u" #op "() before " #op "_t()"); \
 	__cmp(op, unique_x, unique_y); })
 
@@ -137,11 +137,11 @@
 	typeof(val) unique_val = (val);						\
 	typeof(lo) unique_lo = (lo);						\
 	typeof(hi) unique_hi = (hi);						\
-	static_assert(__builtin_choose_expr(__is_constexpr((lo) > (hi)),	\
+	_Static_assert(__builtin_choose_expr(__is_constexpr((lo) > (hi)),	\
 			(lo) <= (hi), true),					\
 		"clamp() low limit " #lo " greater than high limit " #hi);	\
-	static_assert(__types_ok(val, lo), "clamp() 'lo' signedness error");	\
-	static_assert(__types_ok(val, hi), "clamp() 'hi' signedness error");	\
+	_Static_assert(__types_ok(val, lo), "clamp() 'lo' signedness error");	\
+	_Static_assert(__types_ok(val, hi), "clamp() 'hi' signedness error");	\
 	__clamp(unique_val, unique_lo, unique_hi); })
 
 #define __careful_clamp(val, lo, hi) ({					\
-- 
2.17.1

-
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