From 95ec7681b70933ce61ef198ed60a375b7393a395 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jo=C3=A3o=20Abecasis?= <joao@abecasis.name>
Date: Wed, 7 Oct 2009 10:04:33 +0200
Subject: [PATCH] Check the result of scanf

Fixes a warning with GCC.

Reviewed-by: Markus Goetz
---
 tools/porting/src/filewriter.cpp | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/tools/porting/src/filewriter.cpp b/tools/porting/src/filewriter.cpp
index ee8debb9e2..99bd6e7445 100644
--- a/tools/porting/src/filewriter.cpp
+++ b/tools/porting/src/filewriter.cpp
@@ -44,6 +44,7 @@
 #include <QFileInfo>
 #include <QDir>
 #include <ctype.h>
+#include <errno.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -106,11 +107,18 @@ FileWriter::WriteResult FileWriter::writeFile(QString filePath, QByteArray conte
             char answer = 0;
             while (answer != 'y' && answer != 'n' && answer != 'a') {
 #if defined(Q_OS_WIN) && defined(_MSC_VER) && _MSC_VER >= 1400
-                scanf_s("%c", &answer);
+                int result = scanf_s("%c", &answer);
 #else
-                scanf("%c", &answer);
+                int result = scanf("%c", &answer);
 #endif
-                answer = tolower(answer);
+                if (1 == result)
+                    answer = tolower(answer);
+                else if (EOF == result) {
+                    if (EINTR == errno || EILSEQ == errno)
+                        continue;
+
+                    answer = 'n';
+                }
             }
 
             if(answer == 'n')
-- 
2.11.4.GIT