texteditor: don't crash when trying to open too large files

Task-number: QTCREATORBUG-3828
2011-02-22 16:26:45 +01:00
parent 07d6a7ef1e
commit 89884d823d
1 changed files with 6 additions and 1 deletions
--- a/src/plugins/texteditor/basetextdocument.cpp
+++ b/src/plugins/texteditor/basetextdocument.cpp
@@ -444,7 +444,12 @@ bool BaseTextDocument::open(const QString &fileName)

        title = fi.fileName();

-        QByteArray buf = file.readAll();
+        QByteArray buf;
+        try {
+            buf = file.readAll();
+        } catch (std::bad_alloc) {
+            return false;
+        }
        int bytesRead = buf.size();

        QTextCodec *codec = d->m_codec;