# HG changeset patch
# User Torsten <mttl@mailbox.org>
# Date 1522784913 -7200
# Node ID 29641449ca90bd3dcc34287ea5b6c849f78a7847
# Parent  daff5efe062fe6362a45fc342f02a7c15000bd33
use qt routines for determining users tmp directory (bug #53006)

* documentation.cc (documentation): use QDir::tempPath() for getting
  users tmp directory

diff -r daff5efe062f -r 29641449ca90 libgui/src/documentation.cc
--- a/libgui/src/documentation.cc	Tue Apr 03 08:14:48 2018 -0400
+++ b/libgui/src/documentation.cc	Tue Apr 03 21:48:33 2018 +0200
@@ -64,9 +64,10 @@
     // of the original collection and load the help data
     m_help_engine = new QHelpEngine (collection, this);
 
-    std::string tmpdir (octave::sys::env::getenv ("TMPDIR"));
+    QString tmpdir = QDir::tempPath();
     m_collection
-      = QString::fromStdString (octave::sys::tempnam (tmpdir, "oct-qhelp-"));
+      = QString::fromStdString (octave::sys::tempnam (tmpdir.toStdString (),
+                                                      "oct-qhelp-"));
 
     if (m_help_engine->copyCollectionFile (m_collection))
       m_help_engine->setCollectionFile (m_collection);