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[PATCH 2/6] Use SecureZeroMemory on windows for explicit_bzero


From: roucaries . bastien
Subject: [PATCH 2/6] Use SecureZeroMemory on windows for explicit_bzero
Date: Sun, 12 Apr 2020 02:48:23 +0200

From: Bastien Roucari├Ęs <address@hidden>

Signed-off-by: Bastien Roucari├Ęs <address@hidden>
---
 lib/explicit_bzero.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/lib/explicit_bzero.c b/lib/explicit_bzero.c
index 2168a5285..489732791 100644
--- a/lib/explicit_bzero.c
+++ b/lib/explicit_bzero.c
@@ -32,6 +32,11 @@
 
 #include <string.h>
 
+#if defined _WIN32 && !defined __CYGWIN__
+# define  WIN32_LEAN_AND_MEAN
+# include <windows.h>
+#endif
+
 #if _LIBC
 /* glibc-internal users use __explicit_bzero_chk, and explicit_bzero
    redirects to that.  */
@@ -43,7 +48,9 @@
 void
 explicit_bzero (void *s, size_t len)
 {
-#ifdef HAVE_EXPLICIT_MEMSET
+#if defined _WIN32 && !defined __CYGWIN__
+  (void) SecureZeroMemory (s, len);
+#elif HAVE_EXPLICIT_MEMSET
   explicit_memset (s, 0, len);
 #elif HAVE_MEMSET_S
   (void) memset_s (s, len, '\0', len);
-- 
2.25.1




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