From 740e790bf15a1f2cd26ece5b451b125e7708bbd3 Mon Sep 17 00:00:00 2001
From: kchrist <kchrist@users.sourceforge.net>
Date: Fri, 15 Mar 2013 06:42:46 +0100
Subject: [PATCH] Fixed #4649 (false positive: Used file that is not opened;
 variables in struct)

---
 lib/checkio.cpp |  3 +++
 test/testio.cpp | 10 ++++++++++
 2 files changed, 13 insertions(+)

diff --git a/lib/checkio.cpp b/lib/checkio.cpp
index 35f1b313e..6a8475af7 100644
--- a/lib/checkio.cpp
+++ b/lib/checkio.cpp
@@ -205,6 +205,9 @@ void CheckIO::checkFileUsage()
                     }
                 }
 
+                while (Token::Match(fileTok, "%var% ."))
+                    fileTok = fileTok->tokAt(2);
+
                 if (!fileTok || !fileTok->varId())
                     continue;
 
diff --git a/test/testio.cpp b/test/testio.cpp
index 201e1946a..aeac6ba41 100644
--- a/test/testio.cpp
+++ b/test/testio.cpp
@@ -338,6 +338,16 @@ private:
               "    }\n"
               "}");
         ASSERT_EQUALS("", errout.str());
+
+        // #4649
+        check("void foo() {\n"
+              "    struct {FILE *f1; FILE *f2;} a;\n"
+              "    a.f1 = fopen(name,mode);\n"
+              "    a.f2 = fopen(name,mode);\n"
+              "    fclose(a.f1);\n"
+              "    fclose(a.f2);\n"
+              "}");
+        ASSERT_EQUALS("", errout.str());
     }
 
     void fileIOwithoutPositioning() {