From d6d412c49e47027a38698d906f6ad853c8674582 Mon Sep 17 00:00:00 2001
From: Jean-Marc Lasgouttes <lasgouttes@lyx.org>
Date: Sat, 11 Mar 2017 20:46:32 +0100
Subject: [PATCH] Limit the size of strings we read from RCS

This calms down Coverity which fears than an evil RCS repository would break LyX.
---
 src/VCBackend.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/VCBackend.cpp b/src/VCBackend.cpp
index b395a0d2b2..3eeb3d6a3e 100644
--- a/src/VCBackend.cpp
+++ b/src/VCBackend.cpp
@@ -170,6 +170,8 @@ void RCS::scanMaster()
 	LYXERR(Debug::LYXVC, "LyXVC::RCS: scanMaster: " << master_);
 
 	ifstream ifs(master_.toFilesystemEncoding().c_str());
+	// limit the size of strings we read to avoid memory problems
+	ifs >> setw(65636);
 
 	string token;
 	bool read_enough = false;
-- 
2.39.5