From 249492e08adbf034976770ab3b021ba093a2ab18 Mon Sep 17 00:00:00 2001
From: jvoisin
Date: Sat, 18 Mar 2023 14:01:02 +0100
Subject: Make use of __builtin_dynamic_object_size

GCC and Clang provide __builtin_dynamic_object_size
(see documentation: https://gcc.gnu.org/onlinedocs/gcc/Object-Size-Checking.html),
so we should make use of it when its available.
---
 include/poll.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'include/poll.h')

diff --git a/include/poll.h b/include/poll.h
index 24691f1..cf1b9e5 100644
--- a/include/poll.h
+++ b/include/poll.h
@@ -32,7 +32,7 @@ extern "C" {
 
 _FORTIFY_FN(poll) int poll(struct pollfd *__f, nfds_t __n, int __s)
 {
-	__typeof__(sizeof 0) __b = __builtin_object_size(__f, 0);
+	__typeof__(sizeof 0) __b = __bos(__f, 0);
 
 	if (__n > __b / sizeof(struct pollfd))
 		__builtin_trap();
@@ -44,7 +44,7 @@ _FORTIFY_FN(poll) int poll(struct pollfd *__f, nfds_t __n, int __s)
 _FORTIFY_FN(ppoll) int ppoll(struct pollfd *__f, nfds_t __n, const struct timespec *__s,
                              const sigset_t *__m)
 {
-	__typeof__(sizeof 0) __b = __builtin_object_size(__f, 0);
+	__typeof__(sizeof 0) __b = __bos(__f, 0);
 
 	if (__n > __b / sizeof(struct pollfd))
 		__builtin_trap();
-- 
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