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.

1 files changed, 2 insertions, 2 deletions

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();