xnu-3789.41.3.tar.gz

[apple/xnu.git] / libsyscall / wrappers / string / memset.c

diff --git a/libsyscall/wrappers/string/memset.c b/libsyscall/wrappers/string/memset.c
index 3ae3c7717abca3f2fa6e488a9647031e6c772157..cab6587d6f059317ae0a244c941ba5693ba67e93 100644 (file)
--- a/libsyscall/wrappers/string/memset.c
+++ b/libsyscall/wrappers/string/memset.c
@@ -36,6 +36,8 @@
 #define        wsize   sizeof(u_int)
 #define        wmask   (wsize - 1)
 
+// n.b. this must be compiled with -fno-builtin or it might get optimized into
+// a recursive call to bzero.
 __attribute__((visibility("hidden")))
 void
 bzero(void *dst0, size_t length)