Limit the size of strings we read from RCS

This calms down Coverity which fears than an evil RCS repository would break LyX.

diff --git a/src/VCBackend.cpp b/src/VCBackend.cpp
index b395a0d2b210563cabfb2ef518b6d7a168f1688d..3eeb3d6a3ef3ccccf1db19aecfdd76ede3b1e8d7 100644 (file)
--- 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;