From 1ddb99c46ffbeeac52f27a630b50670848b39e0c Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@cryptomilk.org>
Date: Mon, 15 Sep 2014 18:28:15 +0200
Subject: string: Correctly burn the string buffer.

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Aris Adamantiadis <aris@0xbadc0de.be>
---
 src/string.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'src/string.c')

diff --git a/src/string.c b/src/string.c
index 5ef90b0e..9002478f 100644
--- a/src/string.c
+++ b/src/string.c
@@ -235,10 +235,11 @@ struct ssh_string_struct *ssh_string_copy(struct ssh_string_struct *s) {
  * @param[in] s         The string to burn.
  */
 void ssh_string_burn(struct ssh_string_struct *s) {
-  if (s == NULL) {
-    return;
-  }
-  memset(s->data, 'X', ssh_string_len(s));
+    if (s == NULL || s->size == 0) {
+        return;
+    }
+
+    BURN_BUFFER(s->data, ssh_string_len(s));
 }
 
 /**
-- 
cgit