From 1b7ea889e87388008001efb8b0b38180da276a94 Mon Sep 17 00:00:00 2001
From: Nikos Mavrogiannopoulos <nmav@gnutls.org>
Date: Mon, 1 Aug 2011 18:59:04 +0200
Subject: [PATCH] check the output of fgets.

---
 src/p11common.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/p11common.c b/src/p11common.c
index 1ef7c9c53..579d489c4 100644
--- a/src/p11common.c
+++ b/src/p11common.c
@@ -102,6 +102,7 @@ static int
 token_callback (void *user, const char *label, const unsigned retry)
 {
   char buf[32];
+  char *p;
 
   if (retry > 0)
     {
@@ -109,7 +110,8 @@ token_callback (void *user, const char *label, const unsigned retry)
       return -1;
     }
   printf ("Please insert token '%s' in slot and press enter\n", label);
-  fgets (buf, sizeof (buf), stdin);
+  p = fgets (buf, sizeof (buf), stdin);
+  if (p==NULL) return -1;
 
   return 0;
 }
-- 
2.11.4.GIT