[PATCH] time: Fix strftime(3) API regarding nullability

[Alejandro Colomar]

strftime(3) doesn't accept null pointers in any of the parameters.

Cc: Paul Eggert <eggert@cs.ucla.edu>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
---
 time/time.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/time/time.h b/time/time.h
index d18089116e..28fb075b19 100644
--- a/time/time.h
+++ b/time/time.h
@@ -99,7 +99,8 @@ extern time_t __REDIRECT_NTH (mktime, (struct tm *__tp), __mktime64);
    of characters written, or 0 if it would exceed MAXSIZE.  */
 extern size_t strftime (char *__restrict __s, size_t __maxsize,
 			const char *__restrict __format,
-			const struct tm *__restrict __tp) __THROW;
+			const struct tm *__restrict __tp)
+			__THROW __nonnull((1, 3, 4));
 
 #ifdef __USE_XOPEN
 /* Parse S according to FORMAT and store binary time information in TP.
-- 
2.39.2