From f4ff9c1d82fbfd8824b612987987eba1fbba7cbd Mon Sep 17 00:00:00 2001
From: Jonathan G Rennison <j.g.rennison@gmail.com>
Date: Thu, 3 Nov 2022 19:18:07 +0000
Subject: [PATCH] strgen: Exit early in LanguageFileWriter::Write if length is
 0

Avoids warnings about passing a nullptr to fwrite
---
 src/strgen/strgen.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/strgen/strgen.cpp b/src/strgen/strgen.cpp
index 025f9406df..8db994cae2 100644
--- a/src/strgen/strgen.cpp
+++ b/src/strgen/strgen.cpp
@@ -365,6 +365,7 @@ struct LanguageFileWriter : LanguageWriter, FileWriter {
 
 	void Write(const byte *buffer, size_t length)
 	{
+		if (length == 0) return;
 		if (fwrite(buffer, sizeof(*buffer), length, this->fh) != length) {
 			error("Could not write to %s", this->filename);
 		}