2013-11-25 Sahil Patnayakuni <sahil.patnayakuni@gmail.com>

	* libc/include/time.h (time): Add restrict keyword.
	* libc/include/wchar.h (wcsftime): Add restrict keyword.
	* libc/time/asctime_r.c (asctime_r): Same.
	* libc/time/gmtime_r.c (gmtime_r): Same.
	* libc/time/lcltime_r.c (lcltime_r): Same.
	* libc/time/strftime.c (strftime): Same.
	* libc/time/strptime.c (strptime): Same.
	* libc/sys/linux/linuxthreads/timer_create.c (timer_create): Same.
	* libc/sys/linux/linuxthreads/timer_settime.c (timer_settime): Same.

2 files changed, 20 insertions, 9 deletions

diff --git a/newlib/libc/include/time.h b/newlib/libc/include/time.h
index c760297f9..b91b03920 100644
--- a/newlib/libc/include/time.h
+++ b/newlib/libc/include/time.h
@@ -51,12 +51,17 @@ char	  *_EXFUN(ctime,    (const time_t *_time));
 struct tm *_EXFUN(gmtime,   (const time_t *_timer));
 struct tm *_EXFUN(localtime,(const time_t *_timer));
 #endif
-size_t	   _EXFUN(strftime, (char *_s, size_t _maxsize, const char *_fmt, const struct tm *_t));
+size_t	   _EXFUN(strftime, (char *__restrict _s,
+			     size_t _maxsize, const char *__restrict _fmt,
+			     const struct tm *__restrict _t));
 
-char	  *_EXFUN(asctime_r,	(const struct tm *, char *));
+char	  *_EXFUN(asctime_r,	(const struct tm *__restrict,
+				 char *__restrict));
 char	  *_EXFUN(ctime_r,	(const time_t *, char *));
-struct tm *_EXFUN(gmtime_r,	(const time_t *, struct tm *));
-struct tm *_EXFUN(localtime_r,	(const time_t *, struct tm *));
+struct tm *_EXFUN(gmtime_r,	(const time_t *__restrict,
+				 struct tm *__restrict));
+struct tm *_EXFUN(localtime_r,	(const time_t *__restrict,
+				 struct tm *__restrict));
 
 _END_STD_C
 
@@ -65,7 +70,9 @@ extern "C" {
 #endif
 
 #ifndef __STRICT_ANSI__
-char      *_EXFUN(strptime,     (const char *, const char *, struct tm *));
+char      *_EXFUN(strptime,     (const char *__restrict,
+				 const char *__restrict,
+				 struct tm *__restrict));
 _VOID      _EXFUN(tzset,	(_VOID));
 _VOID      _EXFUN(_tzset_r,	(struct _reent *));
 
@@ -150,7 +157,9 @@ int _EXFUN(clock_getres,  (clockid_t clock_id, struct timespec *res));
 /* Create a Per-Process Timer, P1003.1b-1993, p. 264 */
 
 int _EXFUN(timer_create,
-  (clockid_t clock_id, struct sigevent *evp, timer_t *timerid));
+  	(clockid_t clock_id,
+ 	struct sigevent *__restrict evp,
+	timer_t *__restrict timerid));
 
 /* Delete a Per_process Timer, P1003.1b-1993, p. 266 */
 
@@ -159,8 +168,9 @@ int _EXFUN(timer_delete, (timer_t timerid));
 /* Per-Process Timers, P1003.1b-1993, p. 267 */
 
 int _EXFUN(timer_settime,
-  (timer_t timerid, int flags, const struct itimerspec *value,
-   struct itimerspec *ovalue));
+	(timer_t timerid, int flags,
+	const struct itimerspec *__restrict value,
+	struct itimerspec *__restrict ovalue));
 int _EXFUN(timer_gettime, (timer_t timerid, struct itimerspec *value));
 int _EXFUN(timer_getoverrun, (timer_t timerid));
 
diff --git a/newlib/libc/include/wchar.h b/newlib/libc/include/wchar.h
index 5707ddcd3..5c991efc9 100644
--- a/newlib/libc/include/wchar.h
+++ b/newlib/libc/include/wchar.h
@@ -79,7 +79,8 @@ wchar_t	*_EXFUN(wcpcpy, (wchar_t * , const wchar_t *));
 wchar_t	*_EXFUN(wcsdup, (const wchar_t *));
 wchar_t	*_EXFUN(_wcsdup_r, (struct _reent *, const wchar_t * ));
 size_t	_EXFUN(wcscspn, (const wchar_t *, const wchar_t *));
-size_t  _EXFUN(wcsftime, (wchar_t *, size_t, const wchar_t *, const struct tm *));
+size_t  _EXFUN(wcsftime, (wchar_t *__restrict, size_t,
+               const wchar_t *__restrict, const struct tm *__restrict));
 size_t	_EXFUN(wcslcat, (wchar_t *, const wchar_t *, size_t));
 size_t	_EXFUN(wcslcpy, (wchar_t *, const wchar_t *, size_t));
 size_t	_EXFUN(wcslen, (const wchar_t *));