Added "set new icon" menu item to taskbar sample; updated some makefiles

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

diff --git a/src/common/filefn.cpp b/src/common/filefn.cpp
index b8ceb922f1455ff259f559ccddcc40c555e0bca9..f9aa7c75eaa4677287ea022ce51abe78b3572804 100644 (file)
--- a/src/common/filefn.cpp
+++ b/src/common/filefn.cpp
@@ -444,7 +444,7 @@ wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
 {
     register wxChar *d, *s, *nm;
     wxChar          lnm[_MAXPATHLEN];
-    int                                q;
+    int             q;
 
     // Some compilers don't like this line.
 //    const wxChar    trimchars[] = wxT("\n \t");
@@ -500,7 +500,7 @@ wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
       }
       else
 #else
-    while ((*d++ = *s)) {
+    while ((*d++ = *s) != NULL) {
 #  ifndef __WXMSW__
         if (*s == wxT('\\')) {
             if ((*(d - 1) = *++s)) {
@@ -520,13 +520,7 @@ wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
             register wxChar  *start = d;
             register int     braces = (*s == wxT('{') || *s == wxT('('));
             register wxChar  *value;
-#ifdef __VISAGECPP__
-    // VA gives assignment in logical expr warning
-            while (*d)
-               *d++ = *s;
-#else
-            while ((*d++ = *s))
-#endif
+            while ((*d++ = *s) != NULL)
                 if (braces ? (*s == wxT('}') || *s == wxT(')')) : !(wxIsalnum(*s) || *s == wxT('_')) )
                     break;
                 else
@@ -534,12 +528,7 @@ wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
             *--d = 0;
             value = wxGetenv(braces ? start + 1 : start);
             if (value) {
-#ifdef __VISAGECPP__
-    // VA gives assignment in logical expr warning
-                for ((d = start - 1); (*d); *d++ = *value++);
-#else
-                for ((d = start - 1); (*d++ = *value++););
-#endif
+                for ((d = start - 1); (*d++ = *value++) != NULL;);
                 d--;
                 if (braces && *s)
                     s++;
@@ -591,13 +580,7 @@ wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
           *(d - 1) = SEP;
     }
     s = nm;
-#ifdef __VISAGECPP__
-    // VA gives assignment in logical expr warning
-    while (*d)
-       *d++ = *s++;
-#else
-    while ((*d++ = *s++));
-#endif
+    while ((*d++ = *s++) != NULL);
     delete[] nm_tmp; // clean up alloc
     /* Now clean up the buffer */
     return wxRealPath(buf);
@@ -996,8 +979,15 @@ 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 +1007,7 @@ 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 +1023,7 @@ 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 +1048,25 @@ 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 +1098,7 @@ 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();
@@ -1111,6 +1110,7 @@ bool wxMkdir(const wxString& dir, int perm)
 #elif defined(__WXPM__)
     if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
 #else  // !MSW and !OS/2 VAC++
+       (void)perm;
     if ( wxMkDir(wxFNSTRINGCAST wxFNCONV(dirname)) != 0 )
 #endif // !MSW/MSW
     {
@@ -1664,7 +1664,7 @@ 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 +1682,7 @@ 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;
@@ -1692,7 +1692,7 @@ wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
        pb.ioRefNum = LMGetCurApRefNum();
        pb.ioFCBIndx = 0;
        error = PBGetFCBInfoSync(&pb);
-       if ( error == noErr ) 
+       if ( error == noErr )
        {
                cwdSpec.vRefNum = pb.ioFCBVRefNum;
                cwdSpec.parID = pb.ioFCBParID;
@@ -1706,9 +1706,9 @@ wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
                buf[0] = 0 ;
        /*
        this version will not always give back the application directory on mac
-       enum 
-       { 
-               SFSaveDisk = 0x214, CurDirStore = 0x398 
+       enum
+       {
+               SFSaveDisk = 0x214, CurDirStore = 0x398
        };
        FSSpec cwdSpec ;
        
@@ -1936,7 +1936,7 @@ bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
             pattern++;
             ret_code = FALSE;
             while ((*str!=wxT('\0'))
-            && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
+            && ((ret_code=wxMatchWild(pattern, str++, FALSE)) == 0))
                 /*loop*/;
             if (ret_code) {
                 while (*str != wxT('\0'))