1 files changed, 2 insertions, 0 deletions

diff --git a/include/strings.h b/include/strings.h
index 3b6b765..530572a 100644
--- a/include/strings.h
+++ b/include/strings.h
@@ -33,6 +33,7 @@ extern "C" {
 #undef bzero
 __access(write_only, 2, 3)
 __access(read_only, 1, 3)
+__diagnose_as_builtin(__builtin_bcopy, 1, 2, 3)
 _FORTIFY_FN(bcopy) void bcopy(const void * _FORTIFY_POS0 __s,
                               void * _FORTIFY_POS0 __d, size_t __n)
 {
@@ -45,6 +46,7 @@ _FORTIFY_FN(bcopy) void bcopy(const void * _FORTIFY_POS0 __s,
 }
 
 __access(write_only, 1, 2)
+__diagnose_as_builtin(__builtin_bzero, 1, 2)
 _FORTIFY_FN(bzero) void bzero(void * _FORTIFY_POS0 __s, size_t __n)
 {
         size_t __b = __bos(__s, 0);