Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 766 insertions, 0 deletions

diff --git a/src/libs/xpcom18a4/xpcom/obsolete/nsFileSpecWin.cpp b/src/libs/xpcom18a4/xpcom/obsolete/nsFileSpecWin.cpp
new file mode 100644
index 00000000..7d7e863d
--- /dev/null
+++ b/src/libs/xpcom18a4/xpcom/obsolete/nsFileSpecWin.cpp
@@ -0,0 +1,766 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+//	This file is included by nsFileSpec.cp, and includes the Windows-specific
+//	implementations.
+
+#include <sys/stat.h>
+#include <direct.h>
+#include <limits.h>
+#include <stdlib.h>
+#include "prio.h"
+#include "nsError.h"
+
+#include <windows.h>
+
+#if (_MSC_VER == 1100) || defined(__GNUC__)
+#define INITGUID
+#include <objbase.h>
+DEFINE_OLEGUID(IID_IPersistFile, 0x0000010BL, 0, 0);
+#endif
+
+#include <shlobj.h>
+#include <shellapi.h>
+#include <shlguid.h>
+
+#ifdef UNICODE
+#define CreateDirectoryW  CreateDirectory
+#else
+#define CreateDirectoryA  CreateDirectory
+#endif 
+
+//----------------------------------------------------------------------------------------
+void nsFileSpecHelpers::Canonify(nsSimpleCharString& ioPath, PRBool inMakeDirs)
+// Canonify, make absolute, and check whether directories exist. This
+// takes a (possibly relative) native path and converts it into a
+// fully qualified native path.
+//----------------------------------------------------------------------------------------
+{
+    if (ioPath.IsEmpty())
+        return;
+  
+    NS_ASSERTION(strchr((const char*)ioPath, '/') == 0,
+		"This smells like a Unix path. Native path expected! "
+		"Please fix.");
+	if (inMakeDirs)
+    {
+        const int mode = 0755;
+        nsSimpleCharString unixStylePath = ioPath;
+        nsFileSpecHelpers::NativeToUnix(unixStylePath);
+        nsFileSpecHelpers::MakeAllDirectories((const char*)unixStylePath, mode);
+    }
+    char buffer[_MAX_PATH];
+    errno = 0;
+    *buffer = '\0';
+    char* canonicalPath = _fullpath(buffer, ioPath, _MAX_PATH);
+
+	if (canonicalPath)
+	{
+		NS_ASSERTION( canonicalPath[0] != '\0', "Uh oh...couldn't convert" );
+		if (canonicalPath[0] == '\0')
+			return;
+	}
+    ioPath = canonicalPath;
+} // nsFileSpecHelpers::Canonify
+
+//----------------------------------------------------------------------------------------
+void nsFileSpecHelpers::UnixToNative(nsSimpleCharString& ioPath)
+// This just does string manipulation.  It doesn't check reality, or canonify, or
+// anything
+//----------------------------------------------------------------------------------------
+{
+	// Allow for relative or absolute.  We can do this in place, because the
+	// native path is never longer.
+	
+	if (ioPath.IsEmpty())
+		return;
+		
+  // Strip initial slash for an absolute path
+	char* src = (char*)ioPath;
+  if (*src == '/') {
+    if (!src[1]) {
+      // allocate new string by copying from ioPath[1]
+      nsSimpleCharString temp = src + 1;
+      ioPath = temp;
+      return;
+    }
+	  // Since it was an absolute path, check for the drive letter
+		char* colonPointer = src + 2;
+		if (strstr(src, "|/") == colonPointer)
+	    *colonPointer = ':';
+	  // allocate new string by copying from ioPath[1]
+	  nsSimpleCharString temp = src + 1;
+	  ioPath = temp;
+	}
+
+    // Convert '/' to '\'. (Must check EVERY character: consider UNC path
+    // case.)
+    for (src = (char*)ioPath; *src; ++src)
+    {
+        if (*src == '/')
+            *src = '\\';
+    }
+
+} // nsFileSpecHelpers::UnixToNative
+
+//----------------------------------------------------------------------------------------
+void nsFileSpecHelpers::NativeToUnix(nsSimpleCharString& ioPath)
+// This just does string manipulation.  It doesn't check reality, or canonify, or
+// anything.  The unix path is longer, so we can't do it in place.
+//----------------------------------------------------------------------------------------
+{
+	if (ioPath.IsEmpty())
+		return;
+		
+	// Convert the drive-letter separator, if present
+	nsSimpleCharString temp("/");
+
+	char* cp = (char*)ioPath + 1;
+	if (strstr(cp, ":\\") == cp)
+		*cp = '|';    // absolute path
+    else
+      if (cp[0] == '\\')	// unc path
+        cp--;
+        else
+        temp[0] = '\0'; // relative path
+	
+	// Convert '\' to '/'
+	for (; *cp; cp++)
+    {
+      if(IsDBCSLeadByte(*cp) && *(cp+1) != nsnull)
+      {
+         cp++;
+         continue;
+      }
+      if (*cp == '\\')
+        *cp = '/';
+    }
+	// Add the slash in front.
+	temp += ioPath;
+	ioPath = temp;
+}
+
+//----------------------------------------------------------------------------------------
+nsFileSpec::nsFileSpec(const nsFilePath& inPath)
+//----------------------------------------------------------------------------------------
+{
+//    NS_ASSERTION(0, "nsFileSpec is unsupported - use nsIFile!");
+	*this = inPath;
+}
+
+//----------------------------------------------------------------------------------------
+void nsFileSpec::operator = (const nsFilePath& inPath)
+//----------------------------------------------------------------------------------------
+{
+	mPath = (const char*)inPath;
+	nsFileSpecHelpers::UnixToNative(mPath);
+	mError = NS_OK;
+} // nsFileSpec::operator =
+
+//----------------------------------------------------------------------------------------
+nsFilePath::nsFilePath(const nsFileSpec& inSpec)
+//----------------------------------------------------------------------------------------
+{
+	*this = inSpec;
+} // nsFilePath::nsFilePath
+
+//----------------------------------------------------------------------------------------
+void nsFilePath::operator = (const nsFileSpec& inSpec)
+//----------------------------------------------------------------------------------------
+{
+	mPath = inSpec.mPath;
+	nsFileSpecHelpers::NativeToUnix(mPath);
+} // nsFilePath::operator =
+
+//----------------------------------------------------------------------------------------
+void nsFileSpec::SetLeafName(const char* inLeafName)
+//----------------------------------------------------------------------------------------
+{
+	NS_ASSERTION(inLeafName, "Attempt to SetLeafName with a null string");
+	mPath.LeafReplace('\\', inLeafName);
+} // nsFileSpec::SetLeafName
+
+//----------------------------------------------------------------------------------------
+char* nsFileSpec::GetLeafName() const
+//----------------------------------------------------------------------------------------
+{
+    return mPath.GetLeaf('\\');
+} // nsFileSpec::GetLeafName
+
+//----------------------------------------------------------------------------------------
+PRBool nsFileSpec::Exists() const
+//----------------------------------------------------------------------------------------
+{
+	struct stat st;
+	return !mPath.IsEmpty() && 0 == stat(nsNSPRPath(*this), &st); 
+} // nsFileSpec::Exists
+
+//----------------------------------------------------------------------------------------
+void nsFileSpec::GetModDate(TimeStamp& outStamp) const
+//----------------------------------------------------------------------------------------
+{
+	struct stat st;
+    if (!mPath.IsEmpty() && stat(nsNSPRPath(*this), &st) == 0) 
+        outStamp = st.st_mtime; 
+    else
+        outStamp = 0;
+} // nsFileSpec::GetModDate
+
+//----------------------------------------------------------------------------------------
+PRUint32 nsFileSpec::GetFileSize() const
+//----------------------------------------------------------------------------------------
+{
+	struct stat st;
+    if (!mPath.IsEmpty() && stat(nsNSPRPath(*this), &st) == 0) 
+        return (PRUint32)st.st_size; 
+    return 0;
+} // nsFileSpec::GetFileSize
+
+//----------------------------------------------------------------------------------------
+PRBool nsFileSpec::IsFile() const
+//----------------------------------------------------------------------------------------
+{
+  struct stat st;
+  return !mPath.IsEmpty() && 0 == stat(nsNSPRPath(*this), &st) && (_S_IFREG & st.st_mode);
+} // nsFileSpec::IsFile
+
+//----------------------------------------------------------------------------------------
+PRBool nsFileSpec::IsDirectory() const
+//----------------------------------------------------------------------------------------
+{
+	struct stat st;
+	return !mPath.IsEmpty() && 0 == stat(nsNSPRPath(*this), &st) && (_S_IFDIR & st.st_mode);
+} // nsFileSpec::IsDirectory
+
+//----------------------------------------------------------------------------------------
+PRBool nsFileSpec::IsHidden() const
+//----------------------------------------------------------------------------------------
+{
+    PRBool hidden = PR_FALSE;
+    if (!mPath.IsEmpty())
+    {
+        DWORD attr = GetFileAttributes(mPath);
+        if (FILE_ATTRIBUTE_HIDDEN & attr)
+            hidden = PR_TRUE;
+    }
+    return hidden;
+}
+// nsFileSpec::IsHidden
+
+//----------------------------------------------------------------------------------------
+PRBool nsFileSpec::IsSymlink() const
+//----------------------------------------------------------------------------------------
+{
+    HRESULT hres; 
+    IShellLink* psl; 
+    
+    PRBool isSymlink = PR_FALSE;
+    
+    CoInitialize(NULL);
+    // Get a pointer to the IShellLink interface. 
+    hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (void**)&psl); 
+    if (SUCCEEDED(hres)) 
+    { 
+        IPersistFile* ppf; 
+        
+        // Get a pointer to the IPersistFile interface. 
+        hres = psl->QueryInterface(IID_IPersistFile, (void**)&ppf); 
+        
+        if (SUCCEEDED(hres)) 
+        {
+            WCHAR wsz[MAX_PATH]; 
+            // Ensure that the string is Unicode. 
+            MultiByteToWideChar(CP_ACP, 0, mPath, -1, wsz, MAX_PATH); 
+ 
+            // Load the shortcut. 
+            hres = ppf->Load(wsz, STGM_READ); 
+            if (SUCCEEDED(hres)) 
+            {
+                isSymlink = PR_TRUE;
+            }
+            
+            // Release the pointer to the IPersistFile interface. 
+            ppf->Release(); 
+        }
+        
+        // Release the pointer to the IShellLink interface. 
+        psl->Release();
+    }
+
+    CoUninitialize();
+
+    return isSymlink;
+}
+
+
+//----------------------------------------------------------------------------------------
+nsresult nsFileSpec::ResolveSymlink(PRBool& wasSymlink)
+//----------------------------------------------------------------------------------------
+{
+    wasSymlink = PR_FALSE;  // assume failure
+
+	if (Exists())
+		return NS_OK;
+
+
+    HRESULT hres; 
+    IShellLink* psl; 
+
+    CoInitialize(NULL);
+
+    // Get a pointer to the IShellLink interface. 
+    hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (void**)&psl); 
+    if (SUCCEEDED(hres)) 
+    { 
+        IPersistFile* ppf; 
+        
+        // Get a pointer to the IPersistFile interface. 
+        hres = psl->QueryInterface(IID_IPersistFile, (void**)&ppf); 
+        
+        if (SUCCEEDED(hres)) 
+        {
+            WCHAR wsz[MAX_PATH]; 
+            // Ensure that the string is Unicode. 
+            MultiByteToWideChar(CP_ACP, 0, mPath, -1, wsz, MAX_PATH); 
+ 
+            // Load the shortcut. 
+            hres = ppf->Load(wsz, STGM_READ); 
+            if (SUCCEEDED(hres)) 
+            {
+                wasSymlink = PR_TRUE;
+
+                // Resolve the link. 
+                hres = psl->Resolve(nsnull, SLR_NO_UI ); 
+                if (SUCCEEDED(hres)) 
+                { 
+                    char szGotPath[MAX_PATH]; 
+                    WIN32_FIND_DATA wfd; 
+
+                    // Get the path to the link target. 
+                    hres = psl->GetPath( szGotPath, MAX_PATH, &wfd, SLGP_UNCPRIORITY ); 
+
+                    if (SUCCEEDED(hres))
+                    {
+                        // Here we modify the nsFileSpec;
+                        mPath = szGotPath;
+                        mError = NS_OK;
+                    }
+                } 
+            }
+            else {
+                // It wasn't a shortcut. Oh well. Leave it like it was.
+                hres = 0;
+            }
+
+            // Release the pointer to the IPersistFile interface. 
+            ppf->Release(); 
+        }
+        // Release the pointer to the IShellLink interface. 
+        psl->Release();
+    }
+
+    CoUninitialize();
+
+    if (SUCCEEDED(hres))
+        return NS_OK;
+
+    return NS_FILE_FAILURE;
+}
+
+
+
+//----------------------------------------------------------------------------------------
+void nsFileSpec::GetParent(nsFileSpec& outSpec) const
+//----------------------------------------------------------------------------------------
+{
+	outSpec.mPath = mPath;
+	char* chars = (char*)outSpec.mPath;
+	chars[outSpec.mPath.Length() - 1] = '\0'; // avoid trailing separator, if any
+    char* cp = strrchr(chars, '\\');
+    if (cp++)
+	    outSpec.mPath.SetLength(cp - chars); // truncate.
+} // nsFileSpec::GetParent
+
+//----------------------------------------------------------------------------------------
+void nsFileSpec::operator += (const char* inRelativePath)
+//----------------------------------------------------------------------------------------
+{
+	NS_ASSERTION(inRelativePath, "Attempt to do += with a null string");
+
+	if (!inRelativePath || mPath.IsEmpty())
+		return;
+	
+	if (mPath[mPath.Length() - 1] == '\\')
+		mPath += "x";
+	else
+		mPath += "\\x";
+	
+	// If it's a (unix) relative path, make it native
+	nsSimpleCharString dosPath = inRelativePath;
+	nsFileSpecHelpers::UnixToNative(dosPath);
+	SetLeafName(dosPath);
+} // nsFileSpec::operator +=
+
+//----------------------------------------------------------------------------------------
+void nsFileSpec::CreateDirectory(int /*mode*/)
+//----------------------------------------------------------------------------------------
+{
+	// Note that mPath is canonical!
+	if (!mPath.IsEmpty())
+	    mkdir(nsNSPRPath(*this));
+} // nsFileSpec::CreateDirectory
+
+//----------------------------------------------------------------------------------------
+void nsFileSpec::Delete(PRBool inRecursive) const
+//----------------------------------------------------------------------------------------
+{
+    if (IsDirectory())
+    {
+	    if (inRecursive)
+        {
+            for (nsDirectoryIterator i(*this, PR_FALSE); i.Exists(); i++)
+                {
+                    nsFileSpec& child = (nsFileSpec&)i;
+                    child.Delete(inRecursive);
+                }		
+        }
+	    rmdir(nsNSPRPath(*this));
+    }
+	else if (!mPath.IsEmpty())
+    {
+        remove(nsNSPRPath(*this));
+    }
+} // nsFileSpec::Delete
+
+
+//----------------------------------------------------------------------------------------
+void nsFileSpec::RecursiveCopy(nsFileSpec newDir) const
+//----------------------------------------------------------------------------------------
+{
+    if (IsDirectory())
+    {
+		if (!(newDir.Exists()))
+		{
+			newDir.CreateDirectory();
+		}
+
+		for (nsDirectoryIterator i(*this, PR_FALSE); i.Exists(); i++)
+		{
+			nsFileSpec& child = (nsFileSpec&)i;
+
+			if (child.IsDirectory())
+			{
+				nsFileSpec tmpDirSpec(newDir);
+
+				char *leafname = child.GetLeafName();
+				tmpDirSpec += leafname;
+				nsCRT::free(leafname);
+
+				child.RecursiveCopy(tmpDirSpec);
+			}
+			else
+			{
+   				child.RecursiveCopy(newDir);
+			}
+		}
+    }
+    else if (!mPath.IsEmpty())
+    {
+		nsFileSpec& filePath = (nsFileSpec&) *this;
+
+		if (!(newDir.Exists()))
+		{
+			newDir.CreateDirectory();
+		}
+
+        filePath.CopyToDir(newDir);
+    }
+} // nsFileSpec::RecursiveCopy
+
+//----------------------------------------------------------------------------------------
+nsresult
+nsFileSpec::Truncate(PRInt32 aNewFileLength) const
+//----------------------------------------------------------------------------------------
+{
+    DWORD status;
+    HANDLE hFile;
+
+    // Leave it to Microsoft to open an existing file with a function
+    // named "CreateFile".
+    hFile = CreateFile(mPath,
+                       GENERIC_WRITE, 
+                       FILE_SHARE_READ, 
+                       NULL, 
+                       OPEN_EXISTING, 
+                       FILE_ATTRIBUTE_NORMAL, 
+                       NULL); 
+    if (hFile == INVALID_HANDLE_VALUE)
+        return NS_FILE_FAILURE;
+
+    // Seek to new, desired end of file
+    status = SetFilePointer(hFile, aNewFileLength, NULL, FILE_BEGIN);
+    if (status == 0xffffffff)
+        goto error;
+
+    // Truncate file at current cursor position
+    if (!SetEndOfFile(hFile))
+        goto error;
+
+    if (!CloseHandle(hFile))
+        return NS_FILE_FAILURE;
+
+    return NS_OK;
+
+ error:
+    CloseHandle(hFile);
+    return NS_FILE_FAILURE;
+
+} // nsFileSpec::Truncate
+
+//----------------------------------------------------------------------------------------
+nsresult nsFileSpec::Rename(const char* inNewName)
+//----------------------------------------------------------------------------------------
+{
+	NS_ASSERTION(inNewName, "Attempt to Rename with a null string");
+
+    // This function should not be used to move a file on disk. 
+    if (strchr(inNewName, '/')) 
+        return NS_FILE_FAILURE;
+
+    char* oldPath = nsCRT::strdup(mPath);
+    
+    SetLeafName(inNewName);        
+
+    if (PR_Rename(oldPath, mPath) != NS_OK)
+    {
+        // Could not rename, set back to the original.
+        mPath = oldPath;
+        return NS_FILE_FAILURE;
+    }
+    
+    nsCRT::free(oldPath);
+    
+    return NS_OK;
+} // nsFileSpec::Rename
+
+//----------------------------------------------------------------------------------------
+nsresult nsFileSpec::CopyToDir(const nsFileSpec& inParentDirectory) const
+//----------------------------------------------------------------------------------------
+{
+    // We can only copy into a directory, and (for now) can not copy entire directories
+    if (inParentDirectory.IsDirectory() && (! IsDirectory() ) )
+    {
+        char *leafname = GetLeafName();
+        nsSimpleCharString destPath(inParentDirectory.GetCString());
+        destPath += "\\";
+        destPath += leafname;
+        nsCRT::free(leafname);
+        
+        // CopyFile returns non-zero if succeeds
+        int copyOK = CopyFile(GetCString(), destPath, PR_TRUE);
+        if (copyOK)
+            return NS_OK;
+    }
+    return NS_FILE_FAILURE;
+} // nsFileSpec::CopyToDir
+
+//----------------------------------------------------------------------------------------
+nsresult nsFileSpec::MoveToDir(const nsFileSpec& inNewParentDirectory)
+//----------------------------------------------------------------------------------------
+{
+    // We can only copy into a directory, and (for now) can not copy entire directories
+    if (inNewParentDirectory.IsDirectory() && (! IsDirectory() ) )
+    {
+        char *leafname = GetLeafName();
+        nsSimpleCharString destPath(inNewParentDirectory.GetCString());
+        destPath += "\\";
+        destPath += leafname;
+        nsCRT::free(leafname);
+
+        // MoveFile returns non-zero if succeeds
+        int copyOK = MoveFile(GetCString(), destPath);
+
+        if (copyOK)
+        {
+            *this = inNewParentDirectory + GetLeafName(); 
+            return NS_OK;
+        }
+        
+    }
+    return NS_FILE_FAILURE;
+} // nsFileSpec::MoveToDir
+
+//----------------------------------------------------------------------------------------
+nsresult nsFileSpec::Execute(const char* inArgs ) const
+//----------------------------------------------------------------------------------------
+{    
+    if (!IsDirectory())
+    {
+        nsSimpleCharString fileNameWithArgs = "\"";
+        fileNameWithArgs += mPath + "\" " + inArgs;
+        int execResult = WinExec( fileNameWithArgs, SW_NORMAL );     
+        if (execResult > 31)
+            return NS_OK;
+    }
+    return NS_FILE_FAILURE;
+} // nsFileSpec::Execute
+
+
+//----------------------------------------------------------------------------------------
+PRInt64 nsFileSpec::GetDiskSpaceAvailable() const
+//----------------------------------------------------------------------------------------
+{
+    PRInt64 int64;
+    
+    LL_I2L(int64 , LONG_MAX);
+
+    char aDrive[_MAX_DRIVE + 2];
+	_splitpath( (const char*)mPath, aDrive, NULL, NULL, NULL);
+
+	if (aDrive[0] == '\0')
+	{
+        // The back end is always trying to pass us paths that look
+        //   like /c|/netscape/mail.  See if we've got one of them
+        if (mPath.Length() > 2 && mPath[0] == '/' && mPath[2] == '|')
+        {
+            aDrive[0] = mPath[1];
+            aDrive[1] = ':';
+            aDrive[2] = '\0';
+        }
+        else
+        {
+            // Return bogus large number and hope for the best
+            return int64; 
+        }
+    }
+
+	strcat(aDrive, "\\");
+
+    // Check disk space
+    DWORD dwSecPerClus, dwBytesPerSec, dwFreeClus, dwTotalClus;
+    ULARGE_INTEGER liFreeBytesAvailableToCaller, liTotalNumberOfBytes, liTotalNumberOfFreeBytes;
+    double nBytes = 0;
+
+    BOOL (WINAPI* getDiskFreeSpaceExA)(LPCTSTR lpDirectoryName, 
+                                       PULARGE_INTEGER lpFreeBytesAvailableToCaller,
+                                       PULARGE_INTEGER lpTotalNumberOfBytes,    
+                                       PULARGE_INTEGER lpTotalNumberOfFreeBytes) = NULL;
+
+    HINSTANCE hInst = LoadLibrary("KERNEL32.DLL");
+    NS_ASSERTION(hInst != NULL, "COULD NOT LOAD KERNEL32.DLL");
+    if (hInst != NULL)
+    {
+        getDiskFreeSpaceExA =  (BOOL (WINAPI*)(LPCTSTR lpDirectoryName, 
+                                               PULARGE_INTEGER lpFreeBytesAvailableToCaller,
+                                               PULARGE_INTEGER lpTotalNumberOfBytes,    
+                                               PULARGE_INTEGER lpTotalNumberOfFreeBytes)) 
+        GetProcAddress(hInst, "GetDiskFreeSpaceExA");
+        FreeLibrary(hInst);
+    }
+
+    if (getDiskFreeSpaceExA && (*getDiskFreeSpaceExA)(aDrive,
+                                                      &liFreeBytesAvailableToCaller, 
+                                                      &liTotalNumberOfBytes,  
+                                                      &liTotalNumberOfFreeBytes))
+    {
+        nBytes = (double)(signed __int64)liFreeBytesAvailableToCaller.QuadPart;
+    }
+    else if ( GetDiskFreeSpace(aDrive, &dwSecPerClus, &dwBytesPerSec, &dwFreeClus, &dwTotalClus))
+    {
+        nBytes = (double)dwFreeClus*(double)dwSecPerClus*(double) dwBytesPerSec;
+    }
+    return (PRInt64)nBytes;
+}
+
+
+
+//========================================================================================
+//								nsDirectoryIterator
+//========================================================================================
+
+//----------------------------------------------------------------------------------------
+nsDirectoryIterator::nsDirectoryIterator(const nsFileSpec& inDirectory, PRBool resolveSymlink)
+//----------------------------------------------------------------------------------------
+	: mCurrent(inDirectory)
+	, mDir(nsnull)
+    , mStarting(inDirectory)
+	, mExists(PR_FALSE)
+    , mResoveSymLinks(resolveSymlink)
+{
+    mDir = PR_OpenDir(inDirectory);
+	mCurrent += "dummy";
+    mStarting += "dummy";
+    ++(*this);
+} // nsDirectoryIterator::nsDirectoryIterator
+
+//----------------------------------------------------------------------------------------
+nsDirectoryIterator::~nsDirectoryIterator()
+//----------------------------------------------------------------------------------------
+{
+    if (mDir)
+	    PR_CloseDir(mDir);
+} // nsDirectoryIterator::nsDirectoryIterator
+
+//----------------------------------------------------------------------------------------
+nsDirectoryIterator& nsDirectoryIterator::operator ++ ()
+//----------------------------------------------------------------------------------------
+{
+	mExists = PR_FALSE;
+	if (!mDir)
+		return *this;
+    PRDirEntry* entry = PR_ReadDir(mDir, PR_SKIP_BOTH); // Ignore '.' && '..'
+	if (entry)
+    {
+      mExists = PR_TRUE;
+      mCurrent = mStarting;
+      mCurrent.SetLeafName(entry->name);
+      if (mResoveSymLinks)
+      {   
+          PRBool ignore;
+          mCurrent.ResolveSymlink(ignore);
+      }
+    }
+	return *this;
+} // nsDirectoryIterator::operator ++
+
+//----------------------------------------------------------------------------------------
+nsDirectoryIterator& nsDirectoryIterator::operator -- ()
+//----------------------------------------------------------------------------------------
+{
+	return ++(*this); // can't do it backwards.
+} // nsDirectoryIterator::operator --
+