- Do do not disable config writing before DoGameSetup() (introduced in r3653) if the config file

does not already exist. This way, we can create a default config file without removing anything
  from an existing config file if things go wrong early during setup.

SVN r3737 (trunk)

src/configfile.cpp

@@ -54,6 +54,7 @@ FConfigFile::FConfigFile ()
 	CurrentEntry = NULL;
 	PathName = "";
 	OkayToWrite = true;
+	FileExisted = true;
 }
 
 //====================================================================
@@ -72,6 +73,7 @@ FConfigFile::FConfigFile (const char *pathname,
 	ChangePathName (pathname);
 	LoadConfigFile (nosechandler, userdata);
 	OkayToWrite = true;
+	FileExisted = true;
 }
 
 //====================================================================
@@ -88,6 +90,7 @@ FConfigFile::FConfigFile (const FConfigFile &other)
 	ChangePathName (other.PathName);
 	*this = other;
 	OkayToWrite = other.OkayToWrite;
+	FileExisted = other.FileExisted;
 }
 
 //====================================================================
@@ -590,11 +593,15 @@ void FConfigFile::LoadConfigFile (void (*nosechandler)(const char *pathname, FCo
 	FILE *file = fopen (PathName, "r");
 	bool succ;
 
+	FileExisted = false;
 	if (file == NULL)
+	{
 		return;
+	}
 
 	succ = ReadConfig (file);
 	fclose (file);
+	FileExisted = succ;
 
 	if (!succ)
 	{ // First valid line did not define a section
@@ -698,9 +705,10 @@ char *FConfigFile::ReadLine (char *string, int n, void *file) const
 
 bool FConfigFile::WriteConfigFile () const
 {
-	if (!OkayToWrite)
+	if (!OkayToWrite && FileExisted)
 	{ // Pretend it was written anyway so that the user doesn't get
-	  // any "config not written" notifications.
+	  // any "config not written" notifications, but only if the file
+	  // already existed. Otherwise, let it write out a default one.
 		return true;
 	}
 

src/configfile.h

@@ -80,6 +80,7 @@ protected:
 	bool ReadConfig (void *file);
 
 	bool OkayToWrite;
+	bool FileExisted;
 
 private:
 	struct FConfigEntry

src/d_iwad.cpp

@@ -326,7 +326,7 @@ int FIWadManager::CheckIWAD (const char *doomwaddir, WadStuff *wads)
 	int numfound;
 
 	numfound = 0;
-
+return 0;
 	slash = (doomwaddir[0] && doomwaddir[strlen (doomwaddir)-1] != '/') ? "/" : "";
 
 	// Search for a pre-defined IWAD