Blob support fixes - still does not work, but getting there

[wxWidgets.git] / src / common / filefn.cpp

diff --git a/src/common/filefn.cpp b/src/common/filefn.cpp
index b8ceb922f1455ff259f559ccddcc40c555e0bca9..4cfc2036a1ae32872942498038db8053feafaf73 100644 (file)
--- a/src/common/filefn.cpp
+++ b/src/common/filefn.cpp
@@ -996,8 +996,15 @@ wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& fil
 
 // Copy files
 bool
-wxCopyFile (const wxString& file1, const wxString& file2)
+wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
 {
+#if defined(__WIN32__)
+    // CopyFile() copies file attributes and modification time too, so use it
+    // instead of our code if available
+    //
+    // NB: 3rd parameter is bFailIfExists i.e. the inverse of overwrite
+    return ::CopyFile(file1, file2, !overwrite) != 0;
+#else // !Win32
     wxStructStat fbuf;
 
     // get permissions of file1
@@ -1017,7 +1024,7 @@ wxCopyFile (const wxString& file1, const wxString& file2)
 
     // remove file2, if it exists. This is needed for creating
     // file2 with the correct permissions in the next step
-    if ( wxFileExists(file2) && !wxRemoveFile(file2) )
+    if ( wxFileExists(file2)  && (!overwrite || !wxRemoveFile(file2)))
     {
         wxLogSysError(_("Impossible to overwrite the file '%s'"),
                       file2.c_str());
@@ -1033,7 +1040,7 @@ wxCopyFile (const wxString& file1, const wxString& file2)
     // create file2 with the same permissions than file1 and open it for
     // writing
     wxFile fileOut;
-    if ( !fileOut.Create(file2, TRUE, fbuf.st_mode & 0777) )
+    if ( !fileOut.Create(file2, overwrite, fbuf.st_mode & 0777) )
         return FALSE;
 
 #ifdef __UNIX__
@@ -1058,16 +1065,25 @@ wxCopyFile (const wxString& file1, const wxString& file2)
             return FALSE;
     }
 
-#if !defined(__VISAGECPP__) && !defined(__WXMAC__)
-// no chmod in VA.  SHould be some permission API for HPFS386 partitions however
+    // we can expect fileIn to be closed successfully, but we should ensure
+    // that fileOut was closed as some write errors (disk full) might not be
+    // detected before doing this
+    if ( !fileIn.Close() || !fileOut.Close() )
+        return FALSE;
+
+#if !defined(__VISAGECPP__) && !defined(__WXMAC__) || defined(__UNIX__)
+    // no chmod in VA.  Should be some permission API for HPFS386 partitions
+    // however
     if ( chmod(OS_FILENAME(file2), fbuf.st_mode) != 0 )
     {
         wxLogSysError(_("Impossible to set permissions for the file '%s'"),
                       file2.c_str());
         return FALSE;
     }
-#endif
+#endif // OS/2 || Mac
+
     return TRUE;
+#endif // __WXMSW__ && __WIN32__
 }
 
 bool
@@ -1099,7 +1115,7 @@ bool wxRemoveFile(const wxString& file)
 
 bool wxMkdir(const wxString& dir, int perm)
 {
-#if defined( __WXMAC__ )
+#if defined(__WXMAC__) && !defined(__UNIX__)
   return (mkdir(wxUnix2MacFilename( dir ) , 0 ) == 0);
 #else // !Mac
     const wxChar *dirname = dir.c_str();
@@ -1664,7 +1680,7 @@ wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
   char *cbuf = new char[sz+1];
 #ifdef _MSC_VER
   if (_getcwd(cbuf, sz) == NULL) {
-#elif defined( __WXMAC__)
+#elif defined(__WXMAC__) && !defined(__UNIX__)
     enum
     {
         SFSaveDisk = 0x214, CurDirStore = 0x398
@@ -1682,7 +1698,7 @@ wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
 #else // wxUnicode
 #ifdef _MSC_VER
   if (_getcwd(buf, sz) == NULL) {
-#elif defined( __WXMAC__)
+#elif defined(__WXMAC__) && !defined(__UNIX__)
        FSSpec cwdSpec ;
        FCBPBRec pb;
        OSErr error;