git: b35f0aa4952c - main - stdio.h: don't expose rsize_t unless __EXT1_VISIBLE

The branch main has been updated by cy:

URL: https://cgit.FreeBSD.org/src/commit/?id=b35f0aa4952cf03f1b2093b110607c13dd2ec991

commit b35f0aa4952cf03f1b2093b110607c13dd2ec991
Author:     Graham Percival <gperciva@tarsnap.com>
AuthorDate: 2024-09-30 16:37:59 +0000
Commit:     Cy Schubert <cy@FreeBSD.org>
CommitDate: 2024-10-01 03:07:43 +0000

    stdio.h: don't expose rsize_t unless __EXT1_VISIBLE
    
    PR:             281768
    Fixes:          c13559d31e90
    MFC after:      1 week
---
 include/stdio.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/stdio.h b/include/stdio.h
index b0190d25eb4f..ee3ab3bfb986 100644
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -48,10 +48,13 @@ typedef	__size_t	size_t;
 #define	_SIZE_T_DECLARED
 #endif
 
+#if __EXT1_VISIBLE
+/* ISO/IEC 9899:2011 K.3.3.2 */
 #ifndef _RSIZE_T_DEFINED
 #define _RSIZE_T_DEFINED
 typedef size_t rsize_t;
 #endif
+#endif /* __EXT1_VISIBLE */
 
 #if __POSIX_VISIBLE >= 200809
 #ifndef _OFF_T_DECLARED