mirror of
https://github.com/mozilla/gecko-dev.git
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824 lines
26 KiB
C++
824 lines
26 KiB
C++
/*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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* License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is the Mozilla OS/2 libraries.
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*
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* The Initial Developer of the Original Code is John Fairhurst,
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* <john_fairhurst@iname.com>. Portions created by John Fairhurst are
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* Copyright (C) 1998 John Fairhurst. All Rights Reserved.
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*
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* Contributor(s): Henry Sobotka <sobotka@axess.com>
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* 00/01/06: general review and update against Win/Unix versions;
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* replaced nsFileSpec::Execute implementation with system() call
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* which properly launches OS/2 PM|VIO, WinOS2 and DOS programs
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*
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* This Original Code has been modified by IBM Corporation.
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* Modifications made by IBM described herein are
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* Copyright (c) International Business Machines
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* Corporation, 2000
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*
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* Modifications to Mozilla code or documentation
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* identified per MPL Section 3.3
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*
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* Date Modified by Description of modification
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* 03/23/2000 IBM Corp. Fixed bug where 2 char or less profile names treated as drive letters.
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* 06/20/2000 IBM Corp. Make it more like Windows version.
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*/
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#define INCL_DOSERRORS
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#define INCL_DOS
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#define INCL_WINWORKPLACE
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#include <os2.h>
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#ifdef XP_OS2_VACPP
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#include <direct.h>
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#endif
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <limits.h>
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#include <ctype.h>
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#include <io.h>
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//----------------------------------------------------------------------------------------
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void nsFileSpecHelpers::Canonify(nsSimpleCharString& ioPath, PRBool inMakeDirs)
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// Canonify, make absolute, and check whether directories exist. This
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// takes a (possibly relative) native path and converts it into a
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// fully qualified native path.
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//----------------------------------------------------------------------------------------
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{
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if (ioPath.IsEmpty())
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return;
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NS_ASSERTION(strchr((const char*)ioPath, '/') == 0,
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"This smells like a Unix path. Native path expected! "
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"Please fix.");
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if (inMakeDirs)
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{
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const int mode = 0700;
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nsSimpleCharString unixStylePath = ioPath;
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nsFileSpecHelpers::NativeToUnix(unixStylePath);
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nsFileSpecHelpers::MakeAllDirectories((const char*)unixStylePath, mode);
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}
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char buffer[_MAX_PATH];
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errno = 0;
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*buffer = '\0';
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#ifdef XP_OS2
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PRBool removedBackslash = PR_FALSE;
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PRUint32 lenstr = ioPath.Length();
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char &lastchar = ioPath[lenstr -1];
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// Strip off any trailing backslash UNLESS it's the backslash that
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// comes after "X:". Note also that "\" is valid. Sheesh.
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//
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if( lastchar == '\\' && (lenstr != 3 || ioPath[1] != ':') && lenstr != 1)
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{
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lastchar = '\0';
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removedBackslash = PR_TRUE;
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}
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char canonicalPath[CCHMAXPATH] = "";
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DosQueryPathInfo( (char*) ioPath,
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FIL_QUERYFULLNAME,
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canonicalPath,
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CCHMAXPATH);
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#else
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char* canonicalPath = _fullpath(buffer, ioPath, _MAX_PATH);
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#endif
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if (canonicalPath)
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{
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NS_ASSERTION( canonicalPath[0] != '\0', "Uh oh...couldn't convert" );
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if (canonicalPath[0] == '\0')
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return;
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#ifdef XP_OS2
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// If we removed that backslash, add it back onto the fullpath
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if (removedBackslash)
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strcat( canonicalPath, "\\");
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#endif
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}
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ioPath = canonicalPath;
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} // nsFileSpecHelpers::Canonify
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//----------------------------------------------------------------------------------------
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void nsFileSpecHelpers::UnixToNative(nsSimpleCharString& ioPath)
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// This just does string manipulation. It doesn't check reality, or canonify, or
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// anything
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//----------------------------------------------------------------------------------------
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{
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// Allow for relative or absolute. We can do this in place, because the
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// native path is never longer.
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if (ioPath.IsEmpty())
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return;
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// Strip initial slash for an absolute path
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char* src = (char*)ioPath;
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if (*src == '/') {
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if (!src[1]) {
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// allocate new string by copying from ioPath[1]
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nsSimpleCharString temp = src + 1;
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ioPath = temp;
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return;
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}
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// Since it was an absolute path, check for the drive letter
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char* colonPointer = src + 2;
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if (strstr(src, "|/") == colonPointer)
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*colonPointer = ':';
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// allocate new string by copying from ioPath[1]
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nsSimpleCharString temp = src + 1;
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ioPath = temp;
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}
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src = (char*)ioPath;
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if (*src) {
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// Convert '/' to '\'.
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while (*++src)
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{
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if (*src == '/')
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*src = '\\';
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}
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}
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} // nsFileSpecHelpers::UnixToNative
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//----------------------------------------------------------------------------------------
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void nsFileSpecHelpers::NativeToUnix(nsSimpleCharString& ioPath)
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// This just does string manipulation. It doesn't check reality, or canonify, or
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// anything. The unix path is longer, so we can't do it in place.
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//----------------------------------------------------------------------------------------
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{
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if (ioPath.IsEmpty())
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return;
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// Convert the drive-letter separator, if present
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nsSimpleCharString temp("/");
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char* cp = (char*)ioPath + 1;
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if (strstr(cp, ":\\") == cp)
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*cp = '|'; // absolute path
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else
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temp[0] = '\0'; // relative path
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// Convert '\' to '/'
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for (; *cp; cp++)
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{
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#ifdef XP_OS2
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// OS2TODO - implement equivalent of IsDBCSLeadByte
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#else
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if(IsDBCSLeadByte(*cp) && *(cp+1) != nsnull)
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{
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cp++;
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continue;
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}
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#endif
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if (*cp == '\\')
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*cp = '/';
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}
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// Add the slash in front.
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temp += ioPath;
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ioPath = temp;
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}
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//----------------------------------------------------------------------------------------
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nsFileSpec::nsFileSpec(const nsFilePath& inPath)
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//----------------------------------------------------------------------------------------
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{
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// NS_ASSERTION(0, "nsFileSpec is unsupported - use nsIFile!");
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*this = inPath;
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}
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//----------------------------------------------------------------------------------------
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void nsFileSpec::operator = (const nsFilePath& inPath)
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//----------------------------------------------------------------------------------------
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{
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mPath = (const char*)inPath;
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nsFileSpecHelpers::UnixToNative(mPath);
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mError = NS_OK;
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} // nsFileSpec::operator =
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//----------------------------------------------------------------------------------------
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nsFilePath::nsFilePath(const nsFileSpec& inSpec)
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//----------------------------------------------------------------------------------------
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{
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*this = inSpec;
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} // nsFilePath::nsFilePath
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//----------------------------------------------------------------------------------------
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void nsFilePath::operator = (const nsFileSpec& inSpec)
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//----------------------------------------------------------------------------------------
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{
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mPath = inSpec.mPath;
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nsFileSpecHelpers::NativeToUnix(mPath);
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} // nsFilePath::operator =
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//----------------------------------------------------------------------------------------
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void nsFileSpec::SetLeafName(const char* inLeafName)
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//----------------------------------------------------------------------------------------
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{
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NS_ASSERTION(inLeafName, "Attempt to SetLeafName with a null string");
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mPath.LeafReplace('\\', inLeafName);
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} // nsFileSpec::SetLeafName
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//----------------------------------------------------------------------------------------
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char* nsFileSpec::GetLeafName() const
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//----------------------------------------------------------------------------------------
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{
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return mPath.GetLeaf('\\');
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} // nsFileSpec::GetLeafName
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//----------------------------------------------------------------------------------------
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PRBool nsFileSpec::Exists() const
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//----------------------------------------------------------------------------------------
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{
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struct stat st;
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return !mPath.IsEmpty() && 0 == stat(nsNSPRPath(*this), &st);
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} // nsFileSpec::Exists
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//----------------------------------------------------------------------------------------
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void nsFileSpec::GetModDate(TimeStamp& outStamp) const
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//----------------------------------------------------------------------------------------
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{
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struct stat st;
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if (!mPath.IsEmpty() && stat(nsNSPRPath(*this), &st) == 0)
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outStamp = st.st_mtime;
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else
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outStamp = 0;
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} // nsFileSpec::GetModDate
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//----------------------------------------------------------------------------------------
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PRUint32 nsFileSpec::GetFileSize() const
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//----------------------------------------------------------------------------------------
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{
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struct stat st;
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if (!mPath.IsEmpty() && stat(nsNSPRPath(*this), &st) == 0)
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return (PRUint32)st.st_size;
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return 0;
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} // nsFileSpec::GetFileSize
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//----------------------------------------------------------------------------------------
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PRBool nsFileSpec::IsFile() const
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//----------------------------------------------------------------------------------------
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{
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struct stat st;
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#ifdef XP_OS2
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return !mPath.IsEmpty() && 0 == stat(nsNSPRPath(*this), &st) && ( S_IFREG & st.st_mode);
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#else
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return !mPath.IsEmpty() && 0 == stat(nsNSPRPath(*this), &st) && (_S_IFREG & st.st_mode);
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#endif
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} // nsFileSpec::IsFile
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//----------------------------------------------------------------------------------------
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PRBool nsFileSpec::IsDirectory() const
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//----------------------------------------------------------------------------------------
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{
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struct stat st;
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#ifdef XP_OS2
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return !mPath.IsEmpty() && 0 == stat(nsNSPRPath(*this), &st) && ( S_IFDIR & st.st_mode);
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#else
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return !mPath.IsEmpty() && 0 == stat(nsNSPRPath(*this), &st) && (_S_IFDIR & st.st_mode);
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#endif
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} // nsFileSpec::IsDirectory
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//----------------------------------------------------------------------------------------
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PRBool nsFileSpec::IsHidden() const
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//----------------------------------------------------------------------------------------
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{
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PRBool hidden = PR_FALSE;
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if (!mPath.IsEmpty())
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{
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#ifdef XP_OS2
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FILESTATUS3 fs3;
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APIRET rc;
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rc = DosQueryPathInfo( mPath,
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FIL_STANDARD,
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&fs3,
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sizeof fs3);
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if(!rc)
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hidden = fs3.attrFile & FILE_HIDDEN ? PR_TRUE : PR_FALSE;
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#else
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DWORD attr = GetFileAttributes(mPath);
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if (FILE_ATTRIBUTE_HIDDEN & attr)
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hidden = PR_TRUE;
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#endif
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}
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return hidden;
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}
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// nsFileSpec::IsHidden
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//----------------------------------------------------------------------------------------
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PRBool nsFileSpec::IsSymlink() const
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//----------------------------------------------------------------------------------------
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{
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#ifdef XP_OS2
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return PR_FALSE; // No symlinks on OS/2
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#else
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HRESULT hres;
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IShellLink* psl;
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PRBool isSymlink = PR_FALSE;
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CoInitialize(NULL);
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// Get a pointer to the IShellLink interface.
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hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (void**)&psl);
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if (SUCCEEDED(hres))
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{
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IPersistFile* ppf;
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// Get a pointer to the IPersistFile interface.
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hres = psl->QueryInterface(IID_IPersistFile, (void**)&ppf);
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if (SUCCEEDED(hres))
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{
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WORD wsz[MAX_PATH];
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// Ensure that the string is Unicode.
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MultiByteToWideChar(CP_ACP, 0, mPath, -1, wsz, MAX_PATH);
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// Load the shortcut.
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hres = ppf->Load(wsz, STGM_READ);
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if (SUCCEEDED(hres))
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{
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isSymlink = PR_TRUE;
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}
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// Release the pointer to the IPersistFile interface.
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ppf->Release();
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}
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// Release the pointer to the IShellLink interface.
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psl->Release();
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}
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CoUninitialize();
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return isSymlink;
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#endif
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}
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//----------------------------------------------------------------------------------------
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nsresult nsFileSpec::ResolveSymlink(PRBool& wasSymlink)
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//----------------------------------------------------------------------------------------
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{
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#ifdef XP_OS2
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return NS_OK; // no symlinks on OS/2
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#else
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wasSymlink = PR_FALSE; // assume failure
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if (Exists())
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return NS_OK;
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HRESULT hres;
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IShellLink* psl;
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CoInitialize(NULL);
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// Get a pointer to the IShellLink interface.
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hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (void**)&psl);
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if (SUCCEEDED(hres))
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{
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IPersistFile* ppf;
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// Get a pointer to the IPersistFile interface.
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hres = psl->QueryInterface(IID_IPersistFile, (void**)&ppf);
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if (SUCCEEDED(hres))
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{
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WORD wsz[MAX_PATH];
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// Ensure that the string is Unicode.
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MultiByteToWideChar(CP_ACP, 0, mPath, -1, wsz, MAX_PATH);
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// Load the shortcut.
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hres = ppf->Load(wsz, STGM_READ);
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if (SUCCEEDED(hres))
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{
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wasSymlink = PR_TRUE;
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// Resolve the link.
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hres = psl->Resolve(nsnull, SLR_NO_UI );
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if (SUCCEEDED(hres))
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{
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char szGotPath[MAX_PATH];
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WIN32_FIND_DATA wfd;
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// Get the path to the link target.
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hres = psl->GetPath( szGotPath, MAX_PATH, &wfd, SLGP_UNCPRIORITY );
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if (SUCCEEDED(hres))
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{
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// Here we modify the nsFileSpec;
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mPath = szGotPath;
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mError = NS_OK;
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}
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}
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}
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else {
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// It wasn't a shortcut. Oh well. Leave it like it was.
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hres = 0;
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}
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// Release the pointer to the IPersistFile interface.
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ppf->Release();
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}
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// Release the pointer to the IShellLink interface.
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psl->Release();
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}
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CoUninitialize();
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if (SUCCEEDED(hres))
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return NS_OK;
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return NS_FILE_FAILURE;
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#endif
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}
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//----------------------------------------------------------------------------------------
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void nsFileSpec::GetParent(nsFileSpec& outSpec) const
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//----------------------------------------------------------------------------------------
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{
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outSpec.mPath = mPath;
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char* chars = (char*)outSpec.mPath;
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chars[outSpec.mPath.Length() - 1] = '\0'; // avoid trailing separator, if any
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char* cp = strrchr(chars, '\\');
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if (cp++)
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outSpec.mPath.SetLength(cp - chars); // truncate.
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} // nsFileSpec::GetParent
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//----------------------------------------------------------------------------------------
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void nsFileSpec::operator += (const char* inRelativePath)
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//----------------------------------------------------------------------------------------
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{
|
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NS_ASSERTION(inRelativePath, "Attempt to do += with a null string");
|
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|
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if (!inRelativePath || mPath.IsEmpty())
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return;
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if (mPath[mPath.Length() - 1] == '\\')
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mPath += "x";
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else
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mPath += "\\x";
|
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|
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// If it's a (unix) relative path, make it native
|
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nsSimpleCharString dosPath = inRelativePath;
|
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nsFileSpecHelpers::UnixToNative(dosPath);
|
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SetLeafName(dosPath);
|
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} // nsFileSpec::operator +=
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|
|
//----------------------------------------------------------------------------------------
|
|
void nsFileSpec::CreateDirectory(int /*mode*/)
|
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//----------------------------------------------------------------------------------------
|
|
{
|
|
// Note that mPath is canonical!
|
|
if (!mPath.IsEmpty())
|
|
#ifdef XP_OS2
|
|
// OS2TODO - vacpp complains about mkdir but PR_MkDir should be ok?
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PR_MkDir(nsNSPRPath(*this), PR_CREATE_FILE);
|
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#else
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mkdir(nsNSPRPath(*this));
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|
#endif
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} // nsFileSpec::CreateDirectory
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|
|
//----------------------------------------------------------------------------------------
|
|
void nsFileSpec::Delete(PRBool inRecursive) const
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//----------------------------------------------------------------------------------------
|
|
{
|
|
if (IsDirectory())
|
|
{
|
|
if (inRecursive)
|
|
{
|
|
for (nsDirectoryIterator i(*this, PR_FALSE); i.Exists(); i++)
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|
{
|
|
nsFileSpec& child = i.Spec();
|
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child.Delete(inRecursive);
|
|
}
|
|
}
|
|
#ifdef XP_OS2
|
|
// OS2TODO - vacpp complains if use rmdir but PR_RmDir should be ok?
|
|
PR_RmDir(nsNSPRPath(*this));
|
|
#else
|
|
rmdir(nsNSPRPath(*this));
|
|
#endif
|
|
}
|
|
else if (!mPath.IsEmpty())
|
|
{
|
|
remove(nsNSPRPath(*this));
|
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}
|
|
} // nsFileSpec::Delete
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|
|
|
|
//----------------------------------------------------------------------------------------
|
|
void nsFileSpec::RecursiveCopy(nsFileSpec newDir) const
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
if (IsDirectory())
|
|
{
|
|
if (!(newDir.Exists()))
|
|
{
|
|
newDir.CreateDirectory();
|
|
}
|
|
|
|
for (nsDirectoryIterator i(*this, PR_FALSE); i.Exists(); i++)
|
|
{
|
|
nsFileSpec& child = i.Spec();
|
|
|
|
if (child.IsDirectory())
|
|
{
|
|
nsFileSpec tmpDirSpec(newDir);
|
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|
|
char *leafname = child.GetLeafName();
|
|
tmpDirSpec += leafname;
|
|
nsCRT::free(leafname);
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|
|
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
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
#ifdef XP_OS2
|
|
APIRET rc;
|
|
HFILE hFile;
|
|
ULONG actionTaken;
|
|
|
|
rc = DosOpen(mPath,
|
|
&hFile,
|
|
&actionTaken,
|
|
0,
|
|
FILE_NORMAL,
|
|
OPEN_ACTION_FAIL_IF_NEW | OPEN_ACTION_OPEN_IF_EXISTS,
|
|
OPEN_SHARE_DENYREADWRITE | OPEN_ACCESS_READWRITE,
|
|
NULL);
|
|
|
|
if (rc != NO_ERROR)
|
|
return NS_FILE_FAILURE;
|
|
|
|
rc = DosSetFileSize(hFile, aNewFileLength);
|
|
|
|
if (rc == NO_ERROR)
|
|
DosClose(hFile);
|
|
else
|
|
goto error;
|
|
#else
|
|
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;
|
|
#endif
|
|
|
|
return NS_OK;
|
|
|
|
error:
|
|
#ifdef XP_OS2
|
|
DosClose(hFile);
|
|
#else
|
|
CloseHandle(hFile);
|
|
#endif
|
|
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
|
|
#ifdef XP_OS2
|
|
APIRET rc;
|
|
PRBool copyOK;
|
|
|
|
rc = DosCopy(GetCString(), (PSZ)destPath, DCPY_EXISTING);
|
|
|
|
if (rc == NO_ERROR)
|
|
copyOK = PR_TRUE;
|
|
else
|
|
copyOK = PR_FALSE;
|
|
#else
|
|
int copyOK = CopyFile(GetCString(), destPath, PR_TRUE);
|
|
#endif
|
|
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);
|
|
|
|
if (DosMove(GetCString(), destPath) == NO_ERROR)
|
|
{
|
|
*this = inNewParentDirectory + GetLeafName();
|
|
return NS_OK;
|
|
}
|
|
|
|
}
|
|
return NS_FILE_FAILURE;
|
|
} // nsFileSpec::MoveToDir
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
nsresult nsFileSpec::Execute(const char* inArgs ) const
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
if (!IsDirectory())
|
|
{
|
|
#ifdef XP_OS2
|
|
nsresult result = NS_FILE_FAILURE;
|
|
|
|
if (!mPath.IsEmpty())
|
|
{
|
|
nsSimpleCharString fileNameWithArgs = mPath + " " + inArgs;
|
|
result = NS_FILE_RESULT(system(fileNameWithArgs));
|
|
}
|
|
return result;
|
|
#else
|
|
nsSimpleCharString fileNameWithArgs = "\"";
|
|
fileNameWithArgs += mPath + "\" " + inArgs;
|
|
int execResult = WinExec( fileNameWithArgs, SW_NORMAL );
|
|
if (execResult > 31)
|
|
return NS_OK;
|
|
#endif
|
|
}
|
|
return NS_FILE_FAILURE;
|
|
} // nsFileSpec::Execute
|
|
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
PRInt64 nsFileSpec::GetDiskSpaceAvailable() const
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
PRInt64 nBytes = 0;
|
|
ULONG ulDriveNo = toupper(mPath[0]) + 1 - 'A';
|
|
FSALLOCATE fsAllocate;
|
|
APIRET rc = DosQueryFSInfo(ulDriveNo,
|
|
FSIL_ALLOC,
|
|
&fsAllocate,
|
|
sizeof(fsAllocate));
|
|
|
|
if (rc == NO_ERROR) {
|
|
nBytes = fsAllocate.cUnitAvail;
|
|
nBytes *= fsAllocate.cSectorUnit;
|
|
nBytes *= fsAllocate.cbSector;
|
|
}
|
|
|
|
return 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 --
|
|
|