Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 218 insertions, 0 deletions

diff --git a/kdecore/ktempdir.cpp b/kdecore/ktempdir.cpp
new file mode 100644
index 000000000..141ee71a0
--- /dev/null
+++ b/kdecore/ktempdir.cpp
@@ -0,0 +1,218 @@
+/*
+ *
+ *  This file is part of the KDE libraries
+ *  Copyright (c) 2003 Joseph Wenninger <jowenn@kde.org>
+ *
+ * $Id$
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License version 2 as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ **/
+
+#include <config.h>
+
+#include <sys/types.h>
+
+#ifdef HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <dirent.h>
+
+#ifdef HAVE_TEST
+#include <test.h>
+#endif
+#ifdef HAVE_PATHS_H
+#include <paths.h>
+#endif
+
+#ifndef _PATH_TMP
+#define _PATH_TMP "/tmp"
+#endif
+
+#include <qdatetime.h>
+#include <qdir.h>
+
+#include "kglobal.h"
+#include "kapplication.h"
+#include "kinstance.h"
+#include "ktempdir.h"
+#include "kstandarddirs.h"
+#include "kprocess.h"
+#include <kdebug.h>
+#include "kde_file.h"
+
+KTempDir::KTempDir(QString directoryPrefix, int mode)
+{
+   bAutoDelete = false;
+   bExisting = false;
+   mError=0;
+   if (directoryPrefix.isEmpty())
+   {
+      directoryPrefix = locateLocal("tmp", KGlobal::instance()->instanceName());
+   }
+   (void) create(directoryPrefix , mode);
+}
+
+bool
+KTempDir::create(const QString &directoryPrefix, int mode)
+{
+   // make sure the random seed is randomized
+   (void) KApplication::random();
+
+   QCString nme = QFile::encodeName(directoryPrefix) + "XXXXXX";
+   char *realName;
+   if((realName=mkdtemp(nme.data())) == 0)
+   {
+       // Recreate it for the warning, mkdtemps emptied it
+       QCString nme = QFile::encodeName(directoryPrefix) + "XXXXXX";
+       qWarning("KTempDir: Error trying to create %s: %s", nme.data(), strerror(errno));
+       mError = errno;
+       mTmpName = QString::null;
+       return false;
+   }
+
+   // got a return value != 0
+   QCString realNameStr(realName);
+   mTmpName = QFile::decodeName(realNameStr)+"/";
+   kdDebug(180) << "KTempDir: Temporary directory created :" << mTmpName << endl;
+   mode_t tmp = 0;
+   mode_t umsk = umask(tmp);
+   umask(umsk);
+   chmod(nme, mode&(~umsk));
+
+   // Success!
+   bExisting = true;
+
+   // Set uid/gid (necessary for SUID programs)
+   chown(nme, getuid(), getgid());
+   return true;
+}
+
+KTempDir::~KTempDir()
+{
+   if (bAutoDelete)
+      unlink();
+
+// KTempDirPrivate doesn't exist, so it can't be deleted
+//   delete d;
+}
+
+int
+KTempDir::status() const
+{
+   return mError;
+}
+
+QString
+KTempDir::name() const
+{
+   return mTmpName;
+}
+
+bool
+KTempDir::existing() const
+{
+   return bExisting;
+}
+
+QDir *
+KTempDir::qDir()
+{
+   if (bExisting) return new QDir(mTmpName);
+   return 0;
+}
+
+void
+KTempDir::unlink()
+{
+   if (!bExisting) return;
+   if (KTempDir::removeDir(mTmpName))
+      mError=0;
+   else
+      mError=errno;
+   bExisting=false;
+}
+
+// Auxiliary recursive function for removeDirs
+static bool
+rmtree(const QCString& name)
+{
+    kdDebug() << "Checking directory for remove " << name << endl;
+    KDE_struct_stat st;
+    if ( KDE_lstat( name.data(), &st ) == -1 ) // Do not dereference symlink!
+        return false;
+    if ( S_ISDIR( st.st_mode ) )
+    {
+        // This is a directory, so process it
+        kdDebug() << "File " << name << " is DIRECTORY!" << endl;
+        KDE_struct_dirent* ep;
+        DIR* dp = ::opendir( name.data() );
+        if ( !dp )
+            return false;
+        while ( ( ep = KDE_readdir( dp ) ) )
+        {
+            kdDebug() << "CHECKING " << name << "/" << ep->d_name << endl;
+            if ( !qstrcmp( ep->d_name, "." ) || !qstrcmp( ep->d_name, ".." ) )
+                continue;
+            QCString newName( name );
+            newName += "/"; // Careful: do not add '/' instead or you get problems with Qt3.
+            newName += ep->d_name;
+            /*
+             * Be defensive and close the directory.
+             *
+             * Potential problems:
+             * - opendir/readdir/closedir is not re-entrant
+             * - unlink and rmdir invalidates a opendir/readdir/closedir
+             * - limited number of file descriptors for opendir/readdir/closedir
+             */
+            if ( ::closedir( dp ) )
+                return false;
+            // Recurse!
+            kdDebug() << "RECURSE: " << newName << endl;
+            if ( ! rmtree( newName ) )
+                return false;
+            // We have to re-open the directory before continuing
+            dp = ::opendir( name.data() );
+            if ( !dp )
+                return false;
+        }
+        if ( ::closedir( dp ) )
+            return false;
+        kdDebug() << "RMDIR dir " << name << endl;
+        return ! ::rmdir( name );
+    }
+    else
+    {
+         // This is a non-directory file, so remove it
+         kdDebug() << "UNLINKING file " << name << endl;
+         return ! ::unlink( name );
+    }
+}
+
+bool
+KTempDir::removeDir(const QString& path)
+{
+    kdDebug() << k_funcinfo << " " << path << endl;
+    if ( !QFile::exists( path ) )
+        return true; // The goal is that there is no directory
+
+    const QCString cstr( QFile::encodeName( path ) );
+    return rmtree( cstr );
+}
+
+