[Gearbox-commit] SF.net SVN: gearbox: [208] gearbox/trunk/submitted/flexiport/logfile.cpp

[<gb...@us...>]

Revision: 208
          http://gearbox.svn.sourceforge.net/gearbox/?rev=208&view=rev
Author:   gbiggs
Date:     2008-06-24 05:25:19 -0700 (Tue, 24 Jun 2008)

Log Message:
-----------
Altered internal behaviour when reaching the end of the write file

Modified Paths:
--------------
    gearbox/trunk/submitted/flexiport/logfile.cpp

Modified: gearbox/trunk/submitted/flexiport/logfile.cpp
===================================================================
--- gearbox/trunk/submitted/flexiport/logfile.cpp	2008-06-24 12:19:11 UTC (rev 207)
+++ gearbox/trunk/submitted/flexiport/logfile.cpp	2008-06-24 12:25:19 UTC (rev 208)
@@ -712,18 +712,26 @@
 	// One final thing to do: it's possible that the write file has reached its end and so been
 	// closed. This means that any attempts to read the response to the write will now fail. To
 	// prevent this, reopen the files and re-position the read file's offset to where it was. Any
-	// writes after this would have choked anyway since the file is at an end so having the write
-	// file at the beginning is unlikely to cause any problems.
+	// writes after this would have choked anyway since the file is at an end so moving the write
+	// file to 1 byte before the end is unlikely to cause any problems, while still registering as
+	// an open file.
 	if (!IsOpen ())
 	{
 		Open (_fileName, _read, _ignoreTimes);
 		if (fseek (_readFile, readFileOffset, SEEK_SET) < 0)
 		{
 			stringstream ss;
-			ss << "LogFile::" << __func__ << "() fseek() error: (" << ErrNo () << ") " <<
+			ss << "LogFile::" << __func__ << "() fseek(_readFile) error: (" << ErrNo () << ") " <<
 				StrError (ErrNo ());
 			throw PortException (ss.str ());
 		}
+		if (fseek (_writeFile, -1, SEEK_END) < 0)
+		{
+			stringstream ss;
+			ss << "LogFile::" << __func__ << "() fseek(_writeFile) error: (" << ErrNo () << ") " <<
+				StrError (ErrNo ());
+			throw PortException (ss.str ());
+		}
 	}
 
 	delete[] fileData;


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.