Adding upstream version 1:2.3.19.1+dfsg1.upstream/1%2.3.19.1+dfsg1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 17 insertions, 0 deletions

diff --git a/src/lib/safe-memset.c b/src/lib/safe-memset.c
new file mode 100644
index 0000000..3062a41
--- /dev/null
+++ b/src/lib/safe-memset.c
@@ -0,0 +1,17 @@
+/* Copyright (c) 2002-2018 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "safe-memset.h"
+
+void safe_memset(void *data, int c, size_t size)
+{
+	volatile unsigned int volatile_zero_idx = 0;
+	volatile unsigned char *p = data;
+
+	if (size == 0)
+		return;
+
+	do {
+		memset(data, c, size);
+	} while (p[volatile_zero_idx] != c);
+}