linux-kernel - [PATCH] Some const for linux/time.h

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Message-ID: <Pine.LNX.4.61.0607272239001.14351@yvahk01.tjqt.qr>
Date:	Thu, 27 Jul 2006 22:40:47 +0200 (MEST)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	akpm@...l.org
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH] Some const for linux/time.h

Hello,


time compare functions do not modify their arguments, so they can 
be marked as const (like some of the functions in time.h are already).

Signed-off-by: Jan Engelhardt <jengelh@....de>

diff --fast -Ndpru linux-2.6.17.7~/include/linux/time.h linux-2.6.17.7+/include/linux/time.h
--- linux-2.6.17.7~/include/linux/time.h	2006-06-06 02:57:02.000000000 +0200
+++ linux-2.6.17.7+/include/linux/time.h	2006-07-27 22:35:53.308571000 +0200
@@ -33,7 +33,8 @@ struct timezone {
 #define NSEC_PER_SEC		1000000000L
 #define NSEC_PER_USEC		1000L
 
-static inline int timespec_equal(struct timespec *a, struct timespec *b)
+static inline int timespec_equal(const struct timespec *a,
+ const struct timespec *b)
 {
 	return (a->tv_sec == b->tv_sec) && (a->tv_nsec == b->tv_nsec);
 }
@@ -43,7 +44,8 @@ static inline int timespec_equal(struct 
  * lhs == rhs: return 0
  * lhs > rhs:  return >0
  */
-static inline int timespec_compare(struct timespec *lhs, struct timespec *rhs)
+static inline int timespec_compare(const struct timespec *lhs,
+ struct timespec *rhs)
 {
 	if (lhs->tv_sec < rhs->tv_sec)
 		return -1;
@@ -52,7 +54,8 @@ static inline int timespec_compare(struc
 	return lhs->tv_nsec - rhs->tv_nsec;
 }
 
-static inline int timeval_compare(struct timeval *lhs, struct timeval *rhs)
+static inline int timeval_compare(const struct timeval *lhs,
+ const struct timeval *rhs)
 {
 	if (lhs->tv_sec < rhs->tv_sec)
 		return -1;
#<<eof>>


Jan Engelhardt
-- 
-
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