From d6cd9b430d08c39d2463d6338376973cf2655838 Mon Sep 17 00:00:00 2001
From: Randy Heit <rheit@zdoom.fake>
Date: Tue, 15 May 2012 21:47:15 +0000
Subject: [PATCH] - Fixed: Do not write the config file if DoGameSetup() has
 not been called yet.

SVN r3653 (trunk)
---
 src/configfile.cpp     | 9 +++++++++
 src/configfile.h       | 2 ++
 src/gameconfigfile.cpp | 4 +++-
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/configfile.cpp b/src/configfile.cpp
index 2a6d449a4..b379bcf2a 100644
--- a/src/configfile.cpp
+++ b/src/configfile.cpp
@@ -53,6 +53,7 @@ FConfigFile::FConfigFile ()
 	LastSectionPtr = &Sections;
 	CurrentEntry = NULL;
 	PathName = "";
+	OkayToWrite = true;
 }
 
 //====================================================================
@@ -70,6 +71,7 @@ FConfigFile::FConfigFile (const char *pathname,
 	CurrentEntry = NULL;
 	ChangePathName (pathname);
 	LoadConfigFile (nosechandler, userdata);
+	OkayToWrite = true;
 }
 
 //====================================================================
@@ -85,6 +87,7 @@ FConfigFile::FConfigFile (const FConfigFile &other)
 	CurrentEntry = NULL;
 	ChangePathName (other.PathName);
 	*this = other;
+	OkayToWrite = other.OkayToWrite;
 }
 
 //====================================================================
@@ -695,6 +698,12 @@ char *FConfigFile::ReadLine (char *string, int n, void *file) const
 
 bool FConfigFile::WriteConfigFile () const
 {
+	if (!OkayToWrite)
+	{ // Pretend it was written anyway so that the user doesn't get
+	  // any "config not written" notifications.
+		return true;
+	}
+
 	FILE *file = fopen (PathName, "w");
 	FConfigSection *section;
 	FConfigEntry *entry;
diff --git a/src/configfile.h b/src/configfile.h
index 0a058e40f..173d6fede 100644
--- a/src/configfile.h
+++ b/src/configfile.h
@@ -79,6 +79,8 @@ protected:
 	virtual char *ReadLine (char *string, int n, void *file) const;
 	bool ReadConfig (void *file);
 
+	bool OkayToWrite;
+
 private:
 	struct FConfigEntry
 	{
diff --git a/src/gameconfigfile.cpp b/src/gameconfigfile.cpp
index 726031f6d..156973443 100644
--- a/src/gameconfigfile.cpp
+++ b/src/gameconfigfile.cpp
@@ -83,7 +83,8 @@ FGameConfigFile::FGameConfigFile ()
 	FString user_docs, user_app_support, local_app_support;
 #endif
 	FString pathname;
-	
+
+	OkayToWrite = false;	// Do not allow saving of the config before DoGameSetup()
 	bMigrating = false;
 	pathname = GetConfigPath (true);
 	ChangePathName (pathname);
@@ -441,6 +442,7 @@ void FGameConfigFile::DoGameSetup (const char *gamename)
 			}
 		}
 	}
+	OkayToWrite = true;
 }
 
 void FGameConfigFile::ReadNetVars ()