clear passwords with explicit_bzero

[slock.git] / explicit_bzero.c

diff --git a/explicit_bzero.c b/explicit_bzero.c
new file mode 100644 (file)
index 0000000..3e33ca8
--- /dev/null
+++ b/explicit_bzero.c
@@ -0,0 +1,19 @@
+/*     $OpenBSD: explicit_bzero.c,v 1.3 2014/06/21 02:34:26 matthew Exp $ */
+/*
+ * Public domain.
+ * Written by Matthew Dempsky.
+ */
+
+#include <string.h>
+
+__attribute__((weak)) void
+__explicit_bzero_hook(void *buf, size_t len)
+{
+}
+
+void
+explicit_bzero(void *buf, size_t len)
+{
+       memset(buf, 0, len);
+       __explicit_bzero_hook(buf, len);
+}