X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b517351bc5a742c684b587ca46ad341700330020..0bbe61b8c18a1795189f0cf73cc61c14a0fb846d:/src/common/filename.cpp

diff --git a/src/common/filename.cpp b/src/common/filename.cpp
index 234ac80138..8676863447 100644
--- a/src/common/filename.cpp
+++ b/src/common/filename.cpp
@@ -75,6 +75,7 @@
     #include "wx/intl.h"
     #include "wx/log.h"
     #include "wx/utils.h"
+    #include "wx/crt.h"
 #endif
 
 #include "wx/filename.h"
@@ -138,7 +139,9 @@
 #endif
 
 
-wxULongLong wxInvalidSize = (unsigned)-1;
+#if wxUSE_LONGLONG
+extern const wxULongLong wxInvalidSize = (unsigned)-1;
+#endif // wxUSE_LONGLONG
 
 
 // ----------------------------------------------------------------------------
@@ -162,7 +165,7 @@ public:
     {
         m_hFile = ::CreateFile
                     (
-                     filename,                      // name
+                     filename.fn_str(),             // name
                      mode == Read ? GENERIC_READ    // access mask
                                   : GENERIC_WRITE,
                      FILE_SHARE_READ |              // sharing mode
@@ -175,9 +178,12 @@ public:
 
         if ( m_hFile == INVALID_HANDLE_VALUE )
         {
-            wxLogSysError(_("Failed to open '%s' for %s"),
-                          filename.c_str(),
-                          mode == Read ? _("reading") : _("writing"));
+            if ( mode == Read )
+                wxLogSysError(_("Failed to open '%s' for reading"),
+                              filename.c_str());
+            else
+                wxLogSysError(_("Failed to open '%s' for writing"),
+                              filename.c_str());
         }
     }
 
@@ -284,6 +290,17 @@ static wxString wxGetVolumeString(const wxString& volume, wxPathFormat format)
     return path;
 }
 
+// return true if the format used is the DOS/Windows one and the string looks
+// like a UNC path
+static bool IsUNCPath(const wxString& path, wxPathFormat format)
+{
+    return format == wxPATH_DOS &&
+                path.length() >= 4 && // "\\a" can't be a UNC path
+                    path[0u] == wxFILE_SEP_PATH_DOS &&
+                        path[1u] == wxFILE_SEP_PATH_DOS &&
+                            path[2u] != wxFILE_SEP_PATH_DOS;
+}
+
 // ============================================================================
 // implementation
 // ============================================================================
@@ -307,9 +324,28 @@ void wxFileName::Assign(const wxString& volume,
                         const wxString& name,
                         const wxString& ext,
                         bool hasExt,
-                        wxPathFormat format )
+                        wxPathFormat format)
 {
-    SetPath( path, format );
+    // we should ignore paths which look like UNC shares because we already
+    // have the volume here and the UNC notation (\\server\path) is only valid
+    // for paths which don't start with a volume, so prevent SetPath() from
+    // recognizing "\\foo\bar" in "c:\\foo\bar" as an UNC path
+    //
+    // note also that this is a rather ugly way to do what we want (passing
+    // some kind of flag telling to ignore UNC paths to SetPath() would be
+    // better) but this is the safest thing to do to avoid breaking backwards
+    // compatibility in 2.8
+    if ( IsUNCPath(path, format) )
+    {
+        // remove one of the 2 leading backslashes to ensure that it's not
+        // recognized as an UNC path by SetPath()
+        wxString pathNonUNC(path, 1, wxString::npos);
+        SetPath(pathNonUNC, format);
+    }
+    else // no UNC complications
+    {
+        SetPath(path, format);
+    }
 
     m_volume = volume;
     m_ext = ext;
@@ -427,7 +463,7 @@ void wxFileName::Assign(const wxString& fullpathOrig,
     // always recognize fullpath as directory, even if it doesn't end with a
     // slash
     wxString fullpath = fullpathOrig;
-    if ( !wxEndsWithPathSeparator(fullpath) )
+    if ( !fullpath.empty() && !wxEndsWithPathSeparator(fullpath) )
     {
         fullpath += GetPathSeparator(format);
     }
@@ -616,7 +652,7 @@ static int wxOpenWithDeleteOnClose(const wxString& filename)
     DWORD attributes = FILE_ATTRIBUTE_TEMPORARY |
                        FILE_FLAG_DELETE_ON_CLOSE;
 
-    HANDLE h = ::CreateFile(filename, access, 0, NULL,
+    HANDLE h = ::CreateFile(filename.fn_str(), access, 0, NULL,
                             disposition, attributes, NULL);
 
     return wxOpenOSFHandle(h, wxO_BINARY);
@@ -711,7 +747,8 @@ static wxString wxCreateTempImpl(
     }
 
 #elif defined(__WINDOWS__) && !defined(__WXMICROWIN__)
-    if ( !::GetTempFileName(dir, name, 0, wxStringBuffer(path, MAX_PATH + 1)) )
+    if ( !::GetTempFileName(dir.fn_str(), name.fn_str(), 0,
+                            wxStringBuffer(path, MAX_PATH + 1)) )
     {
         wxLogLastError(_T("GetTempFileName"));
 
@@ -734,7 +771,7 @@ static wxString wxCreateTempImpl(
     path += _T("XXXXXX");
 
     // we need to copy the path to the buffer in which mkstemp() can modify it
-    wxCharBuffer buf( wxConvFile.cWX2MB( path ) );
+    wxCharBuffer buf(path.fn_str());
 
     // cast is safe because the string length doesn't change
     int fdTemp = mkstemp( (char*)(const char*) buf );
@@ -1065,14 +1102,7 @@ bool wxFileName::Mkdir( const wxString& dir, int perm, int flags )
         size_t count = dirs.GetCount();
         for ( size_t i = 0; i < count; i++ )
         {
-            if ( i > 0 ||
-#if defined(__WXMAC__) && !defined(__DARWIN__)
-            // relative pathnames are exactely the other way round under mac...
-                !filename.IsAbsolute()
-#else
-                filename.IsAbsolute()
-#endif
-            )
+            if ( i > 0 || filename.IsAbsolute() )
                 currPath += wxFILE_SEP_PATH;
             currPath += dirs[i];
 
@@ -1768,13 +1798,13 @@ wxString wxFileName::GetShortPath() const
     wxString path(GetFullPath());
 
 #if defined(__WXMSW__) && defined(__WIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
-    DWORD sz = ::GetShortPathName(path, NULL, 0);
+    DWORD sz = ::GetShortPathName(path.fn_str(), NULL, 0);
     if ( sz != 0 )
     {
         wxString pathOut;
         if ( ::GetShortPathName
                (
-                path,
+                path.fn_str(),
                 wxStringBuffer(pathOut, sz),
                 sz
                ) != 0 )
@@ -1832,12 +1862,12 @@ wxString wxFileName::GetLongPath() const
 
     if ( s_pfnGetLongPathName )
     {
-        DWORD dwSize = (*s_pfnGetLongPathName)(path, NULL, 0);
+        DWORD dwSize = (*s_pfnGetLongPathName)(path.fn_str(), NULL, 0);
         if ( dwSize > 0 )
         {
             if ( (*s_pfnGetLongPathName)
                  (
-                  path,
+                  path.fn_str(),
                   wxStringBuffer(pathOut, dwSize),
                   dwSize
                  ) != 0 )
@@ -1887,7 +1917,7 @@ wxString wxFileName::GetLongPath() const
             continue;
         }
 
-        hFind = ::FindFirstFile(tmpPath, &findFileData);
+        hFind = ::FindFirstFile(tmpPath.fn_str(), &findFileData);
         if (hFind == INVALID_HANDLE_VALUE)
         {
             // Error: most likely reason is that path doesn't exist, so
@@ -1917,8 +1947,6 @@ wxPathFormat wxFileName::GetFormat( wxPathFormat format )
     {
 #if defined(__WXMSW__) || defined(__OS2__) || defined(__DOS__)
         format = wxPATH_DOS;
-#elif defined(__WXMAC__) && !defined(__DARWIN__)
-        format = wxPATH_MAC;
 #elif defined(__VMS)
         format = wxPATH_VMS;
 #else
@@ -1944,23 +1972,18 @@ wxFileName::SplitVolume(const wxString& fullpathWithVolume,
     wxString fullpath = fullpathWithVolume;
 
     // special Windows UNC paths hack: transform \\share\path into share:path
-    if ( format == wxPATH_DOS )
+    if ( IsUNCPath(fullpath, format) )
     {
-        if ( fullpath.length() >= 4 &&
-                fullpath[0u] == wxFILE_SEP_PATH_DOS &&
-                    fullpath[1u] == wxFILE_SEP_PATH_DOS )
-        {
-            fullpath.erase(0, 2);
+        fullpath.erase(0, 2);
 
-            size_t posFirstSlash =
-                fullpath.find_first_of(GetPathTerminators(format));
-            if ( posFirstSlash != wxString::npos )
-            {
-                fullpath[posFirstSlash] = wxFILE_SEP_DSK;
+        size_t posFirstSlash =
+            fullpath.find_first_of(GetPathTerminators(format));
+        if ( posFirstSlash != wxString::npos )
+        {
+            fullpath[posFirstSlash] = wxFILE_SEP_DSK;
 
-                // UNC paths are always absolute, right? (FIXME)
-                fullpath.insert(posFirstSlash + 1, 1, wxFILE_SEP_PATH_DOS);
-            }
+            // UNC paths are always absolute, right? (FIXME)
+            fullpath.insert(posFirstSlash + 1, 1, wxFILE_SEP_PATH_DOS);
         }
     }
 
@@ -2287,6 +2310,8 @@ bool wxFileName::GetTimes(wxDateTime *dtAccess,
 // file size functions
 // ----------------------------------------------------------------------------
 
+#if wxUSE_LONGLONG
+
 /* static */
 wxULongLong wxFileName::GetSize(const wxString &filename)
 {
@@ -2303,14 +2328,11 @@ wxULongLong wxFileName::GetSize(const wxString &filename)
 
     DWORD lpFileSizeHigh;
     DWORD ret = GetFileSize(f, &lpFileSizeHigh);
-    if (ret == INVALID_FILE_SIZE)
+    if ( ret == INVALID_FILE_SIZE && ::GetLastError() != NO_ERROR )
         return wxInvalidSize;
 
-    // compose the low-order and high-order byte sizes
-    return wxULongLong(ret | (lpFileSizeHigh << sizeof(WORD)*2));
-
-#else           // ! __WIN32__
-
+    return wxULongLong(lpFileSizeHigh, ret);
+#else // ! __WIN32__
     wxStructStat st;
 #ifndef wxNEED_WX_UNISTD_H
     if (wxStat( filename.fn_str() , &st) != 0)
@@ -2358,6 +2380,7 @@ wxString wxFileName::GetHumanReadableSize(const wxString &failmsg, int precision
     return GetHumanReadableSize(GetSize(), failmsg, precision);
 }
 
+#endif // wxUSE_LONGLONG
 
 // ----------------------------------------------------------------------------
 // Mac-specific functions