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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
/* 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
# 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);
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(
nullptr, msg, L"NSGlue_Assertion",
MB_ICONSTOP | MB_SYSTEMMODAL | MB_ABORTRETRYIGNORE | MB_DEFBUTTON3);
}