xpcom/windbgdlg/windbgdlg.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
   2  *
   3  * ***** BEGIN LICENSE BLOCK *****
   4  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   5  *
   6  * The contents of this file are subject to the Mozilla Public License Version
   7  * 1.1 (the "License"); you may not use this file except in compliance with
   8  * the License. You may obtain a copy of the License at
   9  * http://www.mozilla.org/MPL/
  10  *
  11  * Software distributed under the License is distributed on an "AS IS" basis,
  12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  13  * for the specific language governing rights and limitations under the
  14  * License.
  15  *
  16  * The Original Code is Mozilla Communicator client code, released
  17  * March 31, 1998.
  18  *
  19  * The Initial Developer of the Original Code is
  20  * Netscape Communications Corporation.
  21  * Portions created by the Initial Developer are Copyright (C) 1999
  22  * the Initial Developer. All Rights Reserved.
  23  *
  24  * Contributor(s):
  25  *   John Bandhauer <jband@netscape.com>
  26  *
  27  * Alternatively, the contents of this file may be used under the terms of
  28  * either of the GNU General Public License Version 2 or later (the "GPL"),
  29  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  30  * in which case the provisions of the GPL or the LGPL are applicable instead
  31  * of those above. If you wish to allow use of your version of this file only
  32  * under the terms of either the GPL or the LGPL, and not to allow others to
  33  * use your version of this file under the terms of the MPL, indicate your
  34  * decision by deleting the provisions above and replace them with the notice
  35  * and other provisions required by the GPL or the LGPL. If you do not delete
  36  * the provisions above, a recipient may use your version of this file under
  37  * the terms of any one of the MPL, the GPL or the LGPL.
  38  *
  39  * ***** END LICENSE BLOCK ***** */
  40
  41 /* Windows only app to show a modal debug dialog - launched by nsDebug.cpp */
  42
  43 #include <windows.h>
  44 #include <stdlib.h>
  45
  46 int WINAPI
  47 wWinMain(HINSTANCE  hInstance, HINSTANCE  hPrevInstance,
  48          LPWSTR  lpszCmdLine, int  nCmdShow)
  49 {
  50     /* support for auto answering based on words in the assertion.
  51      * the assertion message is sent as a series of arguements (words) to the commandline.
  52      * set a "word" to 0xffffffff to let the word not affect this code.
  53      * set a "word" to 0xfffffffe to show the dialog.
  54      * set a "word" to 0x5 to ignore (program should continue).
  55      * set a "word" to 0x4 to retry (should fall into debugger).
  56      * set a "word" to 0x3 to abort (die).
  57      */
  58     DWORD regType;
  59     DWORD regValue = -1;
  60     DWORD regLength = sizeof regValue;
  61     HKEY hkeyCU, hkeyLM;
  62     RegOpenKeyExW(HKEY_CURRENT_USER, L"Software\\mozilla.org\\windbgdlg", 0, KEY_READ, &hkeyCU);
  63     RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"Software\\mozilla.org\\windbgdlg", 0, KEY_READ, &hkeyLM);
  64     int argc =0;
  65     for (int i = __argc - 1; regValue == (DWORD)-1 && i; --i) {
  66         bool ok = false;
  67         if (hkeyCU)
  68             ok = RegQueryValueExW(hkeyCU, __wargv[i], 0, &regType, (LPBYTE)&regValue, &regLength) == ERROR_SUCCESS;
  69         if (!ok && hkeyLM)
  70             ok = RegQueryValueExW(hkeyLM, __wargv[i], 0, &regType, (LPBYTE)&regValue, &regLength) == ERROR_SUCCESS;
  71         if (!ok)
  72             regValue = -1;
  73     }
  74     if (hkeyCU)
  75         RegCloseKey(hkeyCU);
  76     if (hkeyLM)
  77         RegCloseKey(hkeyLM);
  78     if (regValue != (DWORD)-1 && regValue != (DWORD)-2)
  79         return regValue;
  80     static WCHAR msg[4048];
  81
  82     wsprintfW(msg,
  83               L"%s\n\nClick Abort to exit the Application.\n"
  84               L"Click Retry to Debug the Application.\n"
  85               L"Click Ignore to continue running the Application.",
  86               lpszCmdLine);
  87
  88     return MessageBoxW(NULL, msg, L"NSGlue_Assertion",
  89                        MB_ICONSTOP | MB_SYSTEMMODAL |
  90                        MB_ABORTRETRYIGNORE | MB_DEFBUTTON3);
  91 }