// Author: Robert Roebling, Vadim Zeitlin
// Modified by:
// Created: 28.12.2000
-// RCS-ID: $Id$
// Copyright: (c) 2000 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/config.h" // for wxExpandEnvVars
#include "wx/dynlib.h"
#include "wx/dir.h"
+#include "wx/longlong.h"
#if defined(__WIN32__) && defined(__MINGW32__)
#include "wx/msw/gccpriv.h"
#endif
#ifdef __WINDOWS__
-#include "wx/msw/private.h"
+ #include "wx/msw/private.h"
+ #include <shlobj.h> // for CLSID_ShellLink
+ #include "wx/msw/missing.h"
#endif
#if defined(__WXMAC__)
#if wxUSE_DATETIME && defined(__WIN32__) && !defined(__WXMICROWIN__)
-// convert between wxDateTime and FILETIME which is a 64-bit value representing
-// the number of 100-nanosecond intervals since January 1, 1601.
+// Convert between wxDateTime and FILETIME which is a 64-bit value representing
+// the number of 100-nanosecond intervals since January 1, 1601 UTC.
+//
+// This is the offset between FILETIME epoch and the Unix/wxDateTime Epoch.
+static wxInt64 EPOCH_OFFSET_IN_MSEC = wxLL(11644473600000);
static void ConvertFileTimeToWx(wxDateTime *dt, const FILETIME &ft)
{
- FILETIME ftcopy = ft;
- FILETIME ftLocal;
- if ( !::FileTimeToLocalFileTime(&ftcopy, &ftLocal) )
- {
- wxLogLastError(wxT("FileTimeToLocalFileTime"));
- }
-
- SYSTEMTIME st;
- if ( !::FileTimeToSystemTime(&ftLocal, &st) )
- {
- wxLogLastError(wxT("FileTimeToSystemTime"));
- }
+ wxLongLong t(ft.dwHighDateTime, ft.dwLowDateTime);
+ t /= 10000; // Convert hundreds of nanoseconds to milliseconds.
+ t -= EPOCH_OFFSET_IN_MSEC;
- dt->Set(st.wDay, wxDateTime::Month(st.wMonth - 1), st.wYear,
- st.wHour, st.wMinute, st.wSecond, st.wMilliseconds);
+ *dt = wxDateTime(t);
}
static void ConvertWxToFileTime(FILETIME *ft, const wxDateTime& dt)
{
- SYSTEMTIME st;
- st.wDay = dt.GetDay();
- st.wMonth = (WORD)(dt.GetMonth() + 1);
- st.wYear = (WORD)dt.GetYear();
- st.wHour = dt.GetHour();
- st.wMinute = dt.GetMinute();
- st.wSecond = dt.GetSecond();
- st.wMilliseconds = dt.GetMillisecond();
+ // Undo the conversions above.
+ wxLongLong t(dt.GetValue());
+ t += EPOCH_OFFSET_IN_MSEC;
+ t *= 10000;
- FILETIME ftLocal;
- if ( !::SystemTimeToFileTime(&st, &ftLocal) )
- {
- wxLogLastError(wxT("SystemTimeToFileTime"));
- }
-
- if ( !::LocalFileTimeToFileTime(&ftLocal, ft) )
- {
- wxLogLastError(wxT("LocalFileTimeToFileTime"));
- }
+ ft->dwHighDateTime = t.GetHi();
+ ft->dwLowDateTime = t.GetLo();
}
#endif // wxUSE_DATETIME && __WIN32__
void wxFileName::Clear()
{
- m_dirs.Clear();
-
- m_volume =
- m_name =
- m_ext = wxEmptyString;
+ m_dirs.clear();
+ m_volume.clear();
+ m_name.clear();
+ m_ext.clear();
// we don't have any absolute path for now
m_relative = true;
if ( S_ISDIR(st.st_mode) )
return acceptDir;
if ( S_ISLNK(st.st_mode) )
- return (flags & wxFILE_EXISTS_SYMLINK) != 0;
+ {
+ // Take care to not test for "!= 0" here as this would erroneously
+ // return true if only wxFILE_EXISTS_NO_FOLLOW, which is part of
+ // wxFILE_EXISTS_SYMLINK, is set too.
+ return (flags & wxFILE_EXISTS_SYMLINK) == wxFILE_EXISTS_SYMLINK;
+ }
if ( S_ISBLK(st.st_mode) || S_ISCHR(st.st_mode) )
return (flags & wxFILE_EXISTS_DEVICE) != 0;
if ( S_ISFIFO(st.st_mode) )
if ( flags != 0 ) // wxPATH_RMDIR_FULL or wxPATH_RMDIR_RECURSIVE
#endif // !__WINDOWS__
{
+#ifndef __WINDOWS__
+ if ( flags & wxPATH_RMDIR_RECURSIVE )
+ {
+ // When deleting the tree recursively, we are supposed to delete
+ // this directory itself even when it is a symlink -- but without
+ // following it. Do it here as wxRmdir() would simply follow if
+ // called for a symlink.
+ if ( wxFileName::Exists(dir, wxFILE_EXISTS_SYMLINK) )
+ {
+ return wxRemoveFile(dir);
+ }
+ }
+#endif // !__WINDOWS__
+
wxString path(dir);
if ( path.Last() != wxFILE_SEP_PATH )
path += wxFILE_SEP_PATH;
wxString filename;
- // first delete all subdirectories
- bool cont = d.GetFirst(&filename, "", wxDIR_DIRS | wxDIR_HIDDEN);
+ // First delete all subdirectories: notice that we don't follow
+ // symbolic links, potentially leading outside this directory, to avoid
+ // unpleasant surprises.
+ bool cont = d.GetFirst(&filename, wxString(),
+ wxDIR_DIRS | wxDIR_HIDDEN | wxDIR_NO_FOLLOW);
while ( cont )
{
wxFileName::Rmdir(path + filename, flags);
#ifndef __WINDOWS__
if ( flags & wxPATH_RMDIR_RECURSIVE )
{
- // delete all files too
- cont = d.GetFirst(&filename, "", wxDIR_FILES | wxDIR_HIDDEN);
+ // Delete all files too and, for the same reasons as above, don't
+ // follow symlinks which could refer to the files outside of this
+ // directory and just delete the symlinks themselves.
+ cont = d.GetFirst(&filename, wxString(),
+ wxDIR_FILES | wxDIR_HIDDEN | wxDIR_NO_FOLLOW);
while ( cont )
{
::wxRemoveFile(path + filename);
// quotation marks."
#if defined(__WIN32__) && !defined(__WXWINCE__) && wxUSE_OLE
-// The following lines are necessary under WinCE
-// #include "wx/msw/private.h"
-// #include <ole2.h>
-#include <shlobj.h>
-#if defined(__WXWINCE__)
-#include <shlguid.h>
-#endif
bool wxFileName::GetShortcutTarget(const wxString& shortcutPath,
wxString& targetFilename,
case wxPATH_MAC:
// On a Mac even names with * and ? are allowed (Tested with OS
// 9.2.1 and OS X 10.2.5)
- strForbiddenChars = wxEmptyString;
+ strForbiddenChars.clear();
break;
case wxPATH_DOS:
return true;
}
-void wxFileName::AppendDir( const wxString& dir )
+bool wxFileName::AppendDir( const wxString& dir )
{
- if ( IsValidDirComponent(dir) )
- m_dirs.Add( dir );
+ if (!IsValidDirComponent(dir))
+ return false;
+ m_dirs.Add(dir);
+ return true;
}
void wxFileName::PrependDir( const wxString& dir )
InsertDir(0, dir);
}
-void wxFileName::InsertDir(size_t before, const wxString& dir)
+bool wxFileName::InsertDir(size_t before, const wxString& dir)
{
- if ( IsValidDirComponent(dir) )
- m_dirs.Insert(dir, before);
+ if (!IsValidDirComponent(dir))
+ return false;
+ m_dirs.Insert(dir, before);
+ return true;
}
void wxFileName::RemoveDir(size_t pos)
GetVolumeSeparator(wxPATH_DOS) +
GetPathSeparator(wxPATH_DOS);
else
- pathOut = wxEmptyString;
+ pathOut.clear();
wxArrayString dirs = GetDirs();
dirs.Add(GetFullName());
return fn.GetFullPath();
}
+// ----------------------------------------------------------------------------
+// file permissions functions
+// ----------------------------------------------------------------------------
+
+bool wxFileName::SetPermissions(int permissions)
+{
+ // Don't do anything for a symlink but first make sure it is one.
+ if ( m_dontFollowLinks &&
+ Exists(wxFILE_EXISTS_SYMLINK|wxFILE_EXISTS_NO_FOLLOW) )
+ {
+ // Looks like changing permissions for a symlinc is only supported
+ // on BSD where lchmod is present and correctly implemented.
+ // http://lists.gnu.org/archive/html/bug-coreutils/2009-09/msg00268.html
+ return false;
+ }
+
+#ifdef __WINDOWS__
+ int accMode = 0;
+
+ if ( permissions & (wxS_IRUSR|wxS_IRGRP|wxS_IROTH) )
+ accMode = _S_IREAD;
+
+ if ( permissions & (wxS_IWUSR|wxS_IWGRP|wxS_IWOTH) )
+ accMode |= _S_IWRITE;
+
+ permissions = accMode;
+#endif // __WINDOWS__
+
+ return wxChmod(GetFullPath(), permissions) == 0;
+}
+
// ----------------------------------------------------------------------------
// time functions
// ----------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff