From 1eaae6526be3340688a8cfbcc1aec314fd613730 Mon Sep 17 00:00:00 2001
From: Jakub Jelen <jjelen@redhat.com>
Date: Thu, 28 Jun 2018 13:42:58 +0200
Subject: [PATCH] pkcs15-tool: Build with current gcc

The argument to strncpy is not the length of the target buffer,
but the source one (excluding the null byte, which will be
copied anyway).
---
 src/tools/pkcs15-tool.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tools/pkcs15-tool.c b/src/tools/pkcs15-tool.c
index 33161357..019ab8c0 100644
--- a/src/tools/pkcs15-tool.c
+++ b/src/tools/pkcs15-tool.c
@@ -1022,7 +1022,7 @@ static int read_ssh_key(void)
 		buf[1] = 0;
 		buf[2] = 0;
 		len = snprintf((char *) buf+4, 20, "ecdsa-sha2-nistp%d", n);
-		strncpy(alg, (char *) buf+4, 20);
+		strncpy(alg, (char *) buf+4, 19);
 		buf[3] = len;
 
 		len += 4;