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windbgdlg.cpp
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windbgdlg.cpp
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code, released
* March 31, 1998.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* John Bandhauer <jband@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* Windows only app to show a modal debug dialog - launched by nsDebug.cpp */
#include <windows.h>
#include <stdlib.h>
#ifdef _MSC_VER
#include <strsafe.h>
#endif
#ifdef __MINGW32__
/* MingW currently does not implement a wide version of the
startup routines. Workaround is to implement something like
it ourselves. See bug 472063 */
#include <stdio.h>
#include <shellapi.h>
int WINAPI wWinMain(HINSTANCE, HINSTANCE, LPWSTR, int);
#undef __argc
#undef __wargv
static int __argc;
static wchar_t** __wargv;
int WINAPI
WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPSTR lpszCommandLine, int nCmdShow)
{
LPWSTR commandLine = GetCommandLineW();
/* parse for __argc and __wargv for compatibility, since mingw
* doesn't claim to support it :(
*/
__wargv = CommandLineToArgvW(commandLine, &__argc);
if (!__wargv)
return 127;
/* need to strip off any leading whitespace plus the first argument
* (the executable itself) to match what should be passed to wWinMain
*/
while ((*commandLine <= L' ') && *commandLine) {
++commandLine;
}
if (*commandLine == L'"') {
++commandLine;
while ((*commandLine != L'"') && *commandLine) {
++commandLine;
}
if (*commandLine) {
++commandLine;
}
} else {
while (*commandLine > L' ') {
++commandLine;
}
}
while ((*commandLine <= L' ') && *commandLine) {
++commandLine;
}
int result = wWinMain(hInstance, hPrevInstance, commandLine, nCmdShow);
LocalFree(__wargv);
return result;
}
#endif /* __MINGW32__ */
int WINAPI
wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPWSTR lpszCmdLine, int nCmdShow)
{
/* support for auto answering based on words in the assertion.
* the assertion message is sent as a series of arguements (words) to the commandline.
* set a "word" to 0xffffffff to let the word not affect this code.
* set a "word" to 0xfffffffe to show the dialog.
* set a "word" to 0x5 to ignore (program should continue).
* set a "word" to 0x4 to retry (should fall into debugger).
* set a "word" to 0x3 to abort (die).
*/
DWORD regType;
DWORD regValue = -1;
DWORD regLength = sizeof regValue;
HKEY hkeyCU, hkeyLM;
RegOpenKeyExW(HKEY_CURRENT_USER, L"Software\\mozilla.org\\windbgdlg", 0, KEY_READ, &hkeyCU);
RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"Software\\mozilla.org\\windbgdlg", 0, KEY_READ, &hkeyLM);
int argc =0;
for (int i = __argc - 1; regValue == (DWORD)-1 && i; --i) {
bool ok = false;
if (hkeyCU)
ok = RegQueryValueExW(hkeyCU, __wargv[i], 0, ®Type, (LPBYTE)®Value, ®Length) == ERROR_SUCCESS;
if (!ok && hkeyLM)
ok = RegQueryValueExW(hkeyLM, __wargv[i], 0, ®Type, (LPBYTE)®Value, ®Length) == ERROR_SUCCESS;
if (!ok)
regValue = -1;
}
if (hkeyCU)
RegCloseKey(hkeyCU);
if (hkeyLM)
RegCloseKey(hkeyLM);
if (regValue != (DWORD)-1 && regValue != (DWORD)-2)
return regValue;
static const int size = 4096;
static WCHAR msg[size];
#ifdef _MSC_VER
StringCchPrintfW(msg,
#else
snwprintf(msg,
#endif
size,
L"%s\n\nClick Abort to exit the Application.\n"
L"Click Retry to Debug the Application.\n"
L"Click Ignore to continue running the Application.",
lpszCmdLine);
msg[size - 1] = L'\0';
return MessageBoxW(NULL, msg, L"NSGlue_Assertion",
MB_ICONSTOP | MB_SYSTEMMODAL |
MB_ABORTRETRYIGNORE | MB_DEFBUTTON3);
}