From 0b59ca5859ecbe3761faa8a23aeb64a87476e75f Mon Sep 17 00:00:00 2001
From: Ben RUBSON <ben.rubson@gmail.com>
Date: Wed, 4 Oct 2017 07:22:10 +0200
Subject: [PATCH] Correctly check last non-checked return values

---
 encfs/readpassphrase.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/encfs/readpassphrase.cpp b/encfs/readpassphrase.cpp
index f9bf0f0..0dabad3 100644
--- a/encfs/readpassphrase.cpp
+++ b/encfs/readpassphrase.cpp
@@ -147,7 +147,9 @@ restart:
   *p = '\0';
   save_errno = errno;
   if ((term.c_lflag & ECHO) == 0u) {
-    (void)write(output, "\n", 1);
+    if(write(output, "\n", 1) != -1) {
+    	//dummy test to get rid of warn_unused_result compilation warning
+    }
   }
 
   /* Restore old terminal settings and signals. */