Merge with develop

--HG--
branch : compatibility-develop

code/ryzom/tools/client/ryzom_installer/src/downloader.cpp

@@ -17,6 +17,7 @@
 #include "stdpch.h"
 #include "operation.h"
 #include "downloader.h"
+#include "utils.h"
 
 #include "nel/misc/system_info.h"
 #include "nel/misc/path.h"
@@ -180,6 +181,16 @@ void CDownloader::downloadFile()
 {
 	qint64 freeSpace = NLMISC::CSystemInfo::availableHDSpace(m_fullPath.toUtf8().constData());
 
+	if (freeSpace == 0)
+	{
+		if (m_listener)
+		{
+			QString error = qFromUtf8(NLMISC::formatErrorMessage(NLMISC::getLastError()));
+			m_listener->operationFail(tr("Error '%1' occured when trying to check free disk space on %2.").arg(error).arg(m_fullPath));
+		}
+		return;
+	}
+
 	if (freeSpace < m_size - m_offset)
 	{
 		// we have not enough free disk space to continue download

code/ryzom/tools/client/ryzom_installer/src/installdialog.cpp

@@ -21,6 +21,7 @@
 
 #include "nel/misc/system_info.h"
 #include "nel/misc/common.h"
+#include "nel/misc/debug.h"
 
 #ifdef DEBUG_NEW
 	#define new DEBUG_NEW
@@ -131,6 +132,14 @@ void CInstallDialog::accept()
 	// check free disk space
 	qint64 freeSpace = NLMISC::CSystemInfo::availableHDSpace(m_dstDirectory.toUtf8().constData());
 
+	if (freeSpace == 0)
+	{
+		QString error = qFromUtf8(NLMISC::formatErrorMessage(NLMISC::getLastError()));
+
+		QMessageBox::StandardButton res = QMessageBox::warning(this, tr("Error"), tr("Error '%1' occured when trying to check free disk space on %2.").arg(error).arg(m_dstDirectory));
+		return;
+	}
+
 	const CServer &server = CConfigFile::getInstance()->getServer();
 
 	if (freeSpace < server.dataUncompressedSize)

code/ryzom/tools/client/ryzom_installer/src/migratedialog.cpp

@@ -147,6 +147,14 @@ void CMigrateDialog::accept()
 	// check free disk space
 	qint64 freeSpace = NLMISC::CSystemInfo::availableHDSpace(m_dstDirectory.toUtf8().constData());
 
+	if (freeSpace == 0)
+	{
+		QString error = qFromUtf8(NLMISC::formatErrorMessage(NLMISC::getLastError()));
+
+		QMessageBox::StandardButton res = QMessageBox::warning(this, tr("Error"), tr("Error '%1' occured when trying to check free disk space on %2.").arg(error).arg(m_dstDirectory));
+		return;
+	}
+
 	// compare with exact size of current directory
 	if (freeSpace < getDirectorySize(m_currentDirectory, true))
 	{