fixed setting error rutin

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@5093 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: rblazek

src/providers/grass/qgsgrass.cpp

@@ -38,6 +38,13 @@ extern "C" {
 
 void QgsGrass::init( void ) 
 {
+    // Warning!!! 
+    // G_set_error_routine() once called from plugin
+    // is not valid in provider -> call it always 
+
+    // Set error function
+    G_set_error_routine ( &error_routine );
+
     if ( initialized ) return;
 
     QSettings settings("QuantumGIS", "qgis");
@@ -59,9 +66,6 @@ void QgsGrass::init( void )
     // Init GRASS libraries (required)
     G_no_gisinit();  // Doesn't check write permissions for mapset compare to G_gisinit("libgrass++"); 
 
-    // Set error function
-    G_set_error_routine ( &error_routine );
-
     // Set program name
     G_set_program_name ("QGIS");
 
@@ -258,6 +262,10 @@ QString QgsGrass::defaultGisdbase;
 QString QgsGrass::defaultLocation;
 QString QgsGrass::defaultMapset;
 
+QString QgsGrass::mMapsetLock;
+QString QgsGrass::mGisrc;
+QString QgsGrass::mTmp;
+
 int QgsGrass::error_routine ( char *msg, int fatal) {
     std::cerr << "error_routine (fatal = " << fatal << "): " << msg << std::endl;
 

src/providers/grass/qgsgrass.h

@@ -161,12 +161,13 @@ class QgsGrass {
     static QString error_message;
 
     static int error_routine ( char *msg, int fatal); // static because pointer to this function is set later
-};
+
     // Current mapset lock file path
     static QString mMapsetLock;  
     // Current mapset GISRC file path
     static QString mGisrc;  
     // Temporary directory where GISRC and sockets are stored
     static QString mTmp;  
+};
 
 #endif // QGSGRASS_H

src/providers/grass/qgsgrassprovider.cpp

@@ -62,6 +62,8 @@ QgsGrassProvider::QgsGrassProvider(QString const & uri)
     std::cerr << "QgsGrassProvider URI: " << uri.toLocal8Bit().data() << std::endl;
 #endif
 
+    QgsGrass::init();
+
     QTime time;
     time.start();