X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FSession.cpp;h=3fc7ca2c39bd124ee97cc614c66edb1b092a8eaf;hb=589f49ff366f88e3f3be9424397d9d99ebf44dfe;hp=aff0628fbf54dd0823f30fb8f1c4642812f0f1f2;hpb=9cce351940ec3e46bb4bfe03717e3b3ac8420f63;p=lyx.git

diff --git a/src/Session.cpp b/src/Session.cpp
index aff0628fbf..3fc7ca2c39 100644
--- a/src/Session.cpp
+++ b/src/Session.cpp
@@ -40,7 +40,6 @@ string const sec_lastcommands = "[last commands]";
 
 namespace lyx {
 
-
 LastFilesSection::LastFilesSection(unsigned int num) :
 	default_num_last_files(4),
 	absolute_max_last_files(100)
@@ -151,6 +150,16 @@ void LastOpenedSection::write(ostream & os) const
 void LastOpenedSection::add(FileName const & file, bool active)
 {
 	LastOpenedFile lof(file, active);
+	// check if file is already recorded (this can happen
+	// with multiple buffer views). We do only record each
+	// file once, since we cannot restore multiple views
+	// currently, we even crash in some cases (see #9483).
+	// FIXME: Add session support for multiple views of
+	//        the same buffer (split-view etc.).
+	for (size_t i = 0; i < lastopened.size(); ++i) {
+		if (lastopened[i].file_name == file)
+			return;
+	}
 	lastopened.push_back(lof);
 }