From 1f39b05923a8902cb54d268ee950b0b5c6032643 Mon Sep 17 00:00:00 2001
From: Lucio Asnaghi <kunitoki@gmail.com>
Date: Fri, 8 May 2009 21:45:19 +0000
Subject: [PATCH] + add GDALDereferenceDataset when used with GDALOpenShared
 (instead of freeing brutally the dataset)

---
 plugins/input/gdal/gdal_datasource.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/plugins/input/gdal/gdal_datasource.cpp b/plugins/input/gdal/gdal_datasource.cpp
index ae4e44a5a..05835a9da 100644
--- a/plugins/input/gdal/gdal_datasource.cpp
+++ b/plugins/input/gdal/gdal_datasource.cpp
@@ -43,6 +43,7 @@ gdal_datasource::gdal_datasource(parameters const& params)
      desc_(*params.get<std::string>("type"),"utf-8")
 {
    GDALAllRegister();
+
    boost::optional<std::string> file = params.get<std::string>("file");
    if (!file) throw datasource_exception("missing <file> parameter");
 
@@ -64,7 +65,11 @@ gdal_datasource::gdal_datasource(parameters const& params)
    extent_.init(x0,y0,x1,y1);
 }
 
-gdal_datasource::~gdal_datasource() {}
+gdal_datasource::~gdal_datasource()
+{
+    GDALDereferenceDataset (dataset_.get());
+    dataset_.reset(); // prevent delete of dataset
+}
 
 int gdal_datasource::type() const
 {