From 189198f19c089b80a73e22299ae023879e9b323e Mon Sep 17 00:00:00 2001
From: Ant Mitchell <ant@badmagic.com>
Date: Tue, 24 Mar 2015 16:20:36 +0000
Subject: [PATCH] Issue 302: clear any previous save error

---
 tinyxml2.cpp | 3 +++
 xmltest.cpp  | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/tinyxml2.cpp b/tinyxml2.cpp
index 57a4840..f8683aa 100755
--- a/tinyxml2.cpp
+++ b/tinyxml2.cpp
@@ -1879,6 +1879,9 @@ XMLError XMLDocument::SaveFile( const char* filename, bool compact )
 
 XMLError XMLDocument::SaveFile( FILE* fp, bool compact )
 {
+    // Clear any error from the last save, otherwise it will get reported
+    // for *this* call.
+    SetError( XML_NO_ERROR, 0, 0 );
     XMLPrinter stream( fp, compact );
     Print( &stream );
     return _errorID;
diff --git a/xmltest.cpp b/xmltest.cpp
index 243628c..09c781e 100644
--- a/xmltest.cpp
+++ b/xmltest.cpp
@@ -1425,6 +1425,15 @@ int main( int argc, const char ** argv )
 		XMLPrinter printer;
 		doc.Print( &printer );
 	}
+	{
+		// Issue 302. Clear errors from LoadFile/SaveFile
+		XMLDocument doc;
+		doc.SaveFile( "./no/such/path/pretty.xml" );
+		XMLTest( "Issue 302. Fail to save", doc.ErrorName(), "XML_ERROR_FILE_COULD_NOT_BE_OPENED" );
+		doc.SaveFile( "./resources/out/compact.xml", true );
+		XMLTest( "Issue 302. Subsequent success in saving", doc.ErrorName(), "XML_SUCCESS" );
+
+	}
 
 	// ----------- Performance tracking --------------
 	{