- ignore ENOENT and EAGAIN in renameFile (bug in system?)

- replace system-call "mkdir..." with QDir::mkdir

1 files changed, 10 insertions, 8 deletions

diff --git a/library/filemanager.cpp b/library/filemanager.cpp
index 2e5efdd..fbfa1d9 100644
--- a/library/filemanager.cpp
+++ b/library/filemanager.cpp
@@ -1,327 +1,329 @@
 /**********************************************************************
 ** Copyright (C) 2000 Trolltech AS.  All rights reserved.
 **
 ** This file is part of Qtopia Environment.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
 **
 ** Contact info@trolltech.com if any conditions of this licensing are
 ** not clear to you.
 **
 **********************************************************************/
 
 #include "filemanager.h"
 #include "applnk.h"
 
 /* QT */
 #include <qdir.h>
 #include <qfileinfo.h>
 #include <qtextstream.h>
 
 /* STD */
 #include <stdlib.h>
 #include <errno.h>
 #include <sys/stat.h>
 
 /*!
   \class FileManager
   \brief The FileManager class assists with AppLnk input/output.
 */
 
 /*!
   Constructs a FileManager.
 */
 FileManager::FileManager()
 {
 }
 
 /*!
   Destroys a FileManager.
 */
 FileManager::~FileManager()
 {
 }
 
 /*!
   Saves \a data as the document specified by \a f.
 
   Returns whether the operation succeeded.
 */
 bool FileManager::saveFile( const DocLnk &f, const QByteArray &data )
 {
     QString fileName = f.file() + ".new";
     ensurePathExists( fileName );
     QFile file( fileName );
 
     //write data in temporary .new file
     if ( !file.open( IO_WriteOnly|IO_Raw ) )
     {
         qWarning( "open failed" );
         return FALSE;
     }
     int total_written = file.writeBlock( data );
     file.close();
     //check if every was written
     if ( total_written != int( data.size() ) || !f.writeLink() )
     {
         QFile::remove( fileName );
         return FALSE;
     }
     qDebug( "total written %d out of %d", total_written, data.size() );
 
     //rename temporary .new file in original filenam
     if ( !renameFile( fileName,  f.file() ) )
         QFile::remove( fileName);
     return TRUE;
 }
 
 /*!
   Saves \a text as the document specified by \a f.
 
   The text is saved in UTF8 format.
 
   Returns whether the operation succeeded.
 */
 bool FileManager::saveFile( const DocLnk &f, const QString &text )
 {
     QString fileName = f.file() + ".new";
     ensurePathExists( fileName );
     QFile file( fileName );
 
     //write data in temporary .new file
     if ( !file.open( IO_WriteOnly|IO_Raw ) )
     {
         qWarning( "open failed" );
         return FALSE;
     }
 
     QCString cstr = text.utf8();
     int total_written;
     total_written = file.writeBlock( cstr.data(), cstr.length() );
     file.close();
     if ( total_written != int( cstr.length()) || !f.writeLink() )
     {
         QFile::remove( fileName );
         return FALSE;
     }
 
     // okay now rename the file..
     if ( !renameFile( fileName,  f.file() ) )
         QFile::remove( fileName);
     return TRUE;
 }
 
 
 /*!
   Loads \a text from the document specified by \a f.
 
   The text is required to be in UTF8 format.
 
   Returns whether the operation succeeded.
 */
 bool FileManager::loadFile( const DocLnk &f, QString &text )
 {
     QString fn = f.file();
     QFile fl( fn );
     if ( !fl.open( IO_ReadOnly ) )
         return FALSE;
     QTextStream ts( &fl );
 #if QT_VERSION <= 230 && defined(QT_NO_CODECS)
     // The below should work, but doesn't in Qt 2.3.0
     ts.setCodec( QTextCodec::codecForMib( 106 ) );
 #else
     ts.setEncoding( QTextStream::UnicodeUTF8 );
 #endif
     text = ts.read();
     fl.close();
     return TRUE;
 }
 
 
 /*!
   Loads \a ba from the document specified by \a f.
 
   Returns whether the operation succeeded.
 */
 bool FileManager::loadFile( const DocLnk &f, QByteArray &ba )
 {
     QString fn = f.file();
     QFile fl( fn );
     if ( !fl.open( IO_ReadOnly ) )
         return FALSE;
     ba.resize( fl.size() );
     if ( fl.size() > 0 )
         fl.readBlock( ba.data(), fl.size() );
     fl.close();
     return TRUE;
 }
 
 /*!
   Copies the document specified by \a src to the document specified
   by \a dest.
 
   Returns whether the operation succeeded.
 */
 bool FileManager::copyFile( const AppLnk &src, const AppLnk &dest )
 {
     QFile srcFile( src.file() );
     if ( !srcFile.open( IO_ReadOnly ) )
         return FALSE;
 
     QString fileName = dest.file() + ".new";
 
     ensurePathExists( fileName );
 
     bool ok = TRUE;
     ok = copyFile( src.file(), fileName );
 
     if ( ok )
         ok = dest.writeLink();
 
     if ( ok )
     {
         // okay now rename the file...
         if ( !renameFile( fileName, dest.file() )  )
             // remove the tmp file, otherwise, it will just lay around...
             QFile::remove( fileName );
     }
     else
     {
         QFile::remove( fileName );
     }
     return ok;
 }
 
 bool FileManager::copyFile( const QString & src, const QString & dest )
 {
     //open read file
     QFile srcFile( src );
     if( !srcFile.open( IO_ReadOnly|IO_Raw) )
     {
         qWarning( "open read failed %s, %s", src.latin1(), dest.latin1() );
         return FALSE;
     }
 
     //open write file
     QFile destFile( dest );
     if( !destFile.open( IO_WriteOnly|IO_Raw ) )
     {
         qWarning( "open write failed %s, %s", src.latin1(), dest.latin1() );
         srcFile.close();
         return FALSE;
     }
 
     //copy content
     const int bufsize = 16384;
     char buffer[bufsize];
     bool ok = TRUE;
     int bytesRead = 0;
     while ( ok && !srcFile.atEnd() )
     {
         bytesRead = srcFile.readBlock( buffer, bufsize );
         if ( bytesRead < 0 )
             ok = FALSE;
         while ( ok && bytesRead > 0 )
         {
             int bytesWritten = destFile.writeBlock( buffer, bytesRead );
             if ( bytesWritten < 0 )
                 ok = FALSE;
             else
                 bytesRead -= bytesWritten;
         }
     }
     srcFile.close();
     destFile.close();
     // Set file permissions
     struct stat status;
     if( stat( QFile::encodeName( src ), &status ) == 0 )
     {
         chmod( QFile::encodeName( dest ), status.st_mode );
     }
     return ok;
 }
 
 
 bool FileManager::renameFile( const QString & src, const QString & dest )
 {
     if( rename( QFile::encodeName( src ), QFile::encodeName( dest ) ) == -1);
     {
-        qWarning( "problem renaming file %s to %s, errno: %d", src.latin1(), dest.latin1(), errno );
-        return false;
+        if ( errno != 2 && errno != 11 ) //ignore ENOENT and EAGAIN - bug in system?
+        {
+            qWarning( "problem renaming file %s to %s, errno: %d", src.latin1(), dest.latin1(), errno );
+            return false;
+        }
     }
     return true;
 }
 
 /*!
   Opens the document specified by \a f as a readable QIODevice.
   The caller must delete the return value.
 
   Returns 0 if the operation fails.
 */
 QIODevice* FileManager::openFile( const DocLnk& f )
 {
     QString fn = f.file();
     QFile* fl = new QFile( fn );
     if ( !fl->open( IO_ReadOnly ) )
     {
         delete fl;
         fl = 0;
     }
     return fl;
 }
 
 /*!
   Opens the document specified by \a f as a writable QIODevice.
   The caller must delete the return value.
 
   Returns 0 if the operation fails.
 */
 QIODevice* FileManager::saveFile( const DocLnk& f )
 {
     QString fn = f.file();
     ensurePathExists( fn );
     QFile* fl = new QFile( fn );
     if ( fl->open( IO_WriteOnly ) )
     {
         f.writeLink();
     }
     else
     {
         delete fl;
         fl = 0;
     }
     return fl;
 }
 
 /*!
   Returns whether the document specified by \a f current exists
   as a file on disk.
 */
 bool FileManager::exists( const DocLnk &f )
 {
     return QFile::exists(f.file());
 }
 
 /*!
-  Ensures that the path \a fn exists, by creating required directories.
+  Ensures that the path \a fileName exists, by creating required directories.
   Returns TRUE if successful.
 */
-bool FileManager::ensurePathExists( const QString &fn )
+bool FileManager::ensurePathExists( const QString &fileName )
 {
-    QFileInfo fi(fn);
-    fi.setFile( fi.dirPath(TRUE) );
-    if ( !fi.exists() )
+    QDir directory = QFileInfo( fileName ).dir();
+    if ( !directory.exists() )
     {
-        if ( system( ("mkdir -p " + QFile::encodeName( fi.filePath() ) ) ) )
+        if ( !directory.mkdir( directory.absPath() ) )
             return FALSE;
     }
     return TRUE;
 }