From 4ede307a1b8234c963b5dce1a48af742fcfd72fb Mon Sep 17 00:00:00 2001
From: frankmorgner <frankmorgner@96b47cad-a561-4643-ad3b-153ac7d7599c>
Date: Wed, 25 Jan 2012 15:07:38 +0000
Subject: [PATCH] always print a message in case of an error

git-svn-id: https://vsmartcard.svn.sourceforge.net/svnroot/vsmartcard@697 96b47cad-a561-4643-ad3b-153ac7d7599c
---
 npa/src/npa-tool.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/npa/src/npa-tool.c b/npa/src/npa-tool.c
index 77025b0..7aca2b4 100644
--- a/npa/src/npa-tool.c
+++ b/npa/src/npa-tool.c
@@ -582,5 +582,8 @@ err:
     sc_disconnect_card(card);
     sc_release_context(ctx);
 
+    if (r < 0)
+        fprintf(stderr, "Error: %s\n", sc_strerror(r));
+
     return -r;
 }