fix_preprocessor.patch

diff -ur gvedit/UPreProcess.cpp gvedit_mine/UPreProcess.cpp
--- gvedit/UPreProcess.cpp	Tue Feb 02 04:19:53 2010
+++ gvedit_mine/UPreProcess.cpp	Wed Mar 02 01:57:59 2011
@@ -46,7 +46,7 @@
 void __fastcall TfrmPre::Button3Click(TObject *Sender)
 {
         TIniFile *ini;
-        AnsiString FileName=ExtractFilePath( Application->ExeName)+"Settings.ini" ;
+        AnsiString FileName = getIniFile();
         if(FileExists(FileName))
         {
                 ini = new TIniFile(FileName);
diff -ur gvedit/USettings.cpp gvedit_mine/USettings.cpp
--- gvedit/USettings.cpp	Tue Feb 02 04:19:53 2010
+++ gvedit_mine/USettings.cpp	Wed Mar 02 02:03:52 2011
@@ -145,7 +145,7 @@
                 sl->Add("InitialDir1=C:\\");
                 sl->Add("InitialDir2=C:\\");
                 sl->Add("InitialDir3=C:\\");
-                sl->Add("binPath=C:\\Program Files\\Graphviz2.26\\bin\\");
+                sl->Add("binPath=" + ExtractFilePath(Application->ExeName));
                 sl->Add("init=1");
                 sl->SaveToFile(rv);
         }
@@ -355,8 +355,8 @@
                         SendMessage(frmMain->Memo1->Handle, EM_SCROLLCARET,0,0);
                         DeleteFile(szTempFile);
                 }
-                if (preprocflag)
-                        DeleteFile(tempFile);
+//              if (preprocflag)
+//                      DeleteFile(tempFile);
                    delete tmpString;
         }
         return true;
@@ -516,10 +516,12 @@
 
    SECURITY_ATTRIBUTES saAttr;
    BOOL fSuccess;
-   AnsiString hinputfile=ExtractFilePath(Application->ExeName)+"__temp.dot";
+   char tempPath[1024];
+   GetTempPath(1024, tempPath);
+   AnsiString inputFile = AnsiString(tempPath) + "__temp.dot";
 // Set the bInheritHandle flag so pipe handles are inherited.
 
-   if (!FileExists(hinputfile))
+   if (!FileExists(inputFile))
    {
       ErrorExit("Temporary file is missing!");
       return 0;
@@ -552,10 +554,10 @@
 
 // Get a handle to the parent's input file.
 
-   if (hinputfile.Trim() =="")
+   if (inputFile.Trim() == "")
       ErrorExit("Please specify an input file");
 
-   hInputFile = CreateFile(hinputfile.c_str(), GENERIC_READ, 0, NULL,
+   hInputFile = CreateFile(inputFile.c_str(), GENERIC_READ, 0, NULL,
       OPEN_EXISTING, FILE_ATTRIBUTE_READONLY, NULL);
 
    if (hInputFile == INVALID_HANDLE_VALUE)
@@ -671,15 +673,19 @@
 // Read output from the child process, and write to parent's STDOUT.
 
         TStringList* tmpString=new TStringList();
+        AnsiString tmpStr;
    for (;;)
    {
       if( !ReadFile( hChildStdoutRd, chBuf, BUFSIZE, &dwRead,
          NULL) || dwRead == 0) break;
-        tmpString->Text=tmpString->Text+chBuf;
+        DWORD dwNewLength = tmpStr.Length() + dwRead;
+        tmpStr += chBuf;
+        tmpStr.SetLength(dwNewLength);
         /*      if (! WriteFile(hStdout, chBuf, dwRead, &dwWritten, NULL))
          break;*/
 
    }
+     tmpString->Text = tmpStr;
 
      if(!CloseHandle(hChildStdoutRd))
               ErrorExit("Closing handle failed");
@@ -687,7 +693,9 @@
      if (tmpString->Text.Trim() !="")
      {
         preprocflag=true;
-        tmpString->SaveToFile(ExtractFilePath(Application->ExeName)+"__temp2.dot");
+        char tempPath[1024];
+        GetTempPath(1024, tempPath);
+        tmpString->SaveToFile(AnsiString(tempPath) + "__temp.dot");
      }
 /*     if (frmSettings->CheckBox3->Checked)
      {