mirror of
https://github.com/mozilla/gecko-dev.git
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114 lines
3.8 KiB
C++
114 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* Windows only app to show a modal debug dialog - launched by nsDebug.cpp */
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#include <windows.h>
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#include <stdlib.h>
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#ifdef _MSC_VER
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# include <strsafe.h>
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#endif
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#ifdef __MINGW32__
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/* MingW currently does not implement a wide version of the
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startup routines. Workaround is to implement something like
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it ourselves. See bug 472063 */
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# include <stdio.h>
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# include <shellapi.h>
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int WINAPI wWinMain(HINSTANCE, HINSTANCE, LPWSTR, int);
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# undef __argc
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# undef __wargv
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static int __argc;
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static wchar_t** __wargv;
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int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
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LPSTR lpszCommandLine, int nCmdShow) {
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LPWSTR commandLine = GetCommandLineW();
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/* parse for __argc and __wargv for compatibility, since mingw
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* doesn't claim to support it :(
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*/
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__wargv = CommandLineToArgvW(commandLine, &__argc);
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if (!__wargv) return 127;
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/* need to strip off any leading whitespace plus the first argument
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* (the executable itself) to match what should be passed to wWinMain
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*/
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while ((*commandLine <= L' ') && *commandLine) {
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++commandLine;
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}
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if (*commandLine == L'"') {
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++commandLine;
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while ((*commandLine != L'"') && *commandLine) {
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++commandLine;
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}
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if (*commandLine) {
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++commandLine;
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}
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} else {
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while (*commandLine > L' ') {
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++commandLine;
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}
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}
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while ((*commandLine <= L' ') && *commandLine) {
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++commandLine;
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}
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int result = wWinMain(hInstance, hPrevInstance, commandLine, nCmdShow);
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LocalFree(__wargv);
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return result;
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}
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#endif /* __MINGW32__ */
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int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
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LPWSTR lpszCmdLine, int nCmdShow) {
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/* support for auto answering based on words in the assertion.
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* the assertion message is sent as a series of arguements (words) to the
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* commandline. set a "word" to 0xffffffff to let the word not affect this
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* code. set a "word" to 0xfffffffe to show the dialog. set a "word" to 0x5 to
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* ignore (program should continue). set a "word" to 0x4 to retry (should fall
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* into debugger). set a "word" to 0x3 to abort (die).
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*/
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DWORD regType;
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DWORD regValue = -1;
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DWORD regLength = sizeof regValue;
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HKEY hkeyCU, hkeyLM;
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RegOpenKeyExW(HKEY_CURRENT_USER, L"Software\\mozilla.org\\windbgdlg", 0,
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KEY_READ, &hkeyCU);
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RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"Software\\mozilla.org\\windbgdlg", 0,
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KEY_READ, &hkeyLM);
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for (int i = __argc - 1; regValue == (DWORD)-1 && i; --i) {
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bool ok = false;
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if (hkeyCU)
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ok = RegQueryValueExW(hkeyCU, __wargv[i], 0, ®Type, (LPBYTE)®Value,
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®Length) == ERROR_SUCCESS;
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if (!ok && hkeyLM)
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ok = RegQueryValueExW(hkeyLM, __wargv[i], 0, ®Type, (LPBYTE)®Value,
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®Length) == ERROR_SUCCESS;
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if (!ok) regValue = -1;
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}
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if (hkeyCU) RegCloseKey(hkeyCU);
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if (hkeyLM) RegCloseKey(hkeyLM);
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if (regValue != (DWORD)-1 && regValue != (DWORD)-2) return regValue;
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static const int size = 4096;
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static WCHAR msg[size];
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#ifdef _MSC_VER
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StringCchPrintfW(msg,
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#else
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snwprintf(msg,
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#endif
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size,
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L"%s\n\nClick Abort to exit the Application.\n"
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L"Click Retry to Debug the Application.\n"
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L"Click Ignore to continue running the Application.",
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lpszCmdLine);
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msg[size - 1] = L'\0';
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return MessageBoxW(
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nullptr, msg, L"NSGlue_Assertion",
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MB_ICONSTOP | MB_SYSTEMMODAL | MB_ABORTRETRYIGNORE | MB_DEFBUTTON3);
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}
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