From: Alejandro Colomar <alx.manpages@gmail.com>
Date: Sun, 12 Mar 2023 00:08:10 +0000 (+0100)
Subject: time: Fix strftime(3) API regarding nullability
X-Git-Tag: glibc-2.38~451
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=09b382122288e706c5fa2c0412910f71c78b7d63;p=thirdparty%2Fglibc.git

time: Fix strftime(3) API regarding nullability

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>
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
---

diff --git a/time/time.h b/time/time.h
index 4db274bd0c5..368f4dc5888 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.