From 23ae341869ddb0d1af81ee7a5705b776817afd4c Mon Sep 17 00:00:00 2001
From: Noel Grandin <noel.grandin@collabora.co.uk>
Date: Thu, 12 Apr 2018 15:40:33 +0200
Subject: assert that we own the data before freeing it

Change-Id: I9676da22c00570cd59f2f46b04beb5f1337bbacf
Reviewed-on: https://gerrit.libreoffice.org/52887
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
---
 tools/source/stream/stream.cxx | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'tools')

diff --git a/tools/source/stream/stream.cxx b/tools/source/stream/stream.cxx
index 5d6d3e58336b..b48275819739 100644
--- a/tools/source/stream/stream.cxx
+++ b/tools/source/stream/stream.cxx
@@ -1866,7 +1866,12 @@ bool SvMemoryStream::ReAllocateMemory( long nDiff )
 
 void SvMemoryStream::FreeMemory()
 {
-    delete[] pBuf;
+    assert(bOwnsData);
+    if (bOwnsData)
+    {
+        delete[] pBuf;
+        pBuf = nullptr;
+    }
 }
 
 void* SvMemoryStream::SwitchBuffer()
-- 
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