From 4de20258eb8eef050fe951f0fcab7a4a58c05aa2 Mon Sep 17 00:00:00 2001
From: "Unknown W. Brackets" <checkins@unknownbrackets.org>
Date: Sun, 19 Jan 2014 21:34:16 -0800
Subject: [PATCH] Don't bother writing an empty symbol map.

For example, when accidentally opening an invalid file.
---
 Core/Debugger/SymbolMap.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Core/Debugger/SymbolMap.cpp b/Core/Debugger/SymbolMap.cpp
index ef9dad968e..da0c84cf54 100644
--- a/Core/Debugger/SymbolMap.cpp
+++ b/Core/Debugger/SymbolMap.cpp
@@ -133,6 +133,12 @@ bool SymbolMap::LoadSymbolMap(const char *filename) {
 
 void SymbolMap::SaveSymbolMap(const char *filename) const {
 	lock_guard guard(lock_);
+
+	// Don't bother writing a blank file.
+	if (!File::Exists(filename) && functions.empty() && data.empty()) {
+		return;
+	}
+
 	FILE *f = File::OpenCFile(filename, "w");
 	if (!f)
 		return;