>From a67bce28a13b2ceb8614bf374941580c8047a209 Mon Sep 17 00:00:00 2001
From: Bruno Haible <address@hidden>
Date: Fri, 5 Oct 2018 21:49:39 +0200
Subject: [PATCH 1/5] explicit_bzero: Make it possible to namespace the defined
 symbol.

* lib/explicit_bzero.c (explicit_bzero): Don't undefine outside of
glibc.
---
 ChangeLog            | 6 ++++++
 lib/explicit_bzero.c | 4 +++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index fd631de..4d2542b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2018-10-05  Bruno Haible  <address@hidden>
 
+	explicit_bzero: Make it possible to namespace the defined symbol.
+	* lib/explicit_bzero.c (explicit_bzero): Don't undefine outside of
+	glibc.
+
+2018-10-05  Bruno Haible  <address@hidden>
+
 	mkdir-p: Depend on 'mkdir'.
 	* modules/mkdir-p (Depends-on): Add 'mkdir'.
 
diff --git a/lib/explicit_bzero.c b/lib/explicit_bzero.c
index 0331764..124b3cc 100644
--- a/lib/explicit_bzero.c
+++ b/lib/explicit_bzero.c
@@ -27,9 +27,11 @@
 
 #include <string.h>
 
+#if _LIBC
 /* glibc-internal users use __explicit_bzero_chk, and explicit_bzero
    redirects to that.  */
-#undef explicit_bzero
+# undef explicit_bzero
+#endif
 
 /* Set LEN bytes of S to 0.  The compiler will not delete a call to
    this function, even if S is dead after the call.  */
-- 
2.7.4