• file
• revisions
• annotate
• diff
• comparison
• raw

xpcom/windbgdlg/windbgdlg.cpp@6474c204b198 (annotated)

xpcom/windbgdlg/windbgdlg.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0	2	*
michael@0	3	* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	4	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	5	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	6
michael@0	7	/* Windows only app to show a modal debug dialog - launched by nsDebug.cpp */
michael@0	8	#include <windows.h>
michael@0	9	#include <stdlib.h>
michael@0	10	#ifdef _MSC_VER
michael@0	11	#include <strsafe.h>
michael@0	12	#endif
michael@0	13	#ifdef __MINGW32__
michael@0	14	/* MingW currently does not implement a wide version of the
michael@0	15	startup routines. Workaround is to implement something like
michael@0	16	it ourselves. See bug 472063 */
michael@0	17	#include <stdio.h>
michael@0	18	#include <shellapi.h>
michael@0	19	int WINAPI wWinMain(HINSTANCE, HINSTANCE, LPWSTR, int);
michael@0	20
michael@0	21	#undef __argc
michael@0	22	#undef __wargv
michael@0	23
michael@0	24	static int __argc;
michael@0	25	static wchar_t** __wargv;
michael@0	26
michael@0	27	int WINAPI
michael@0	28	WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
michael@0	29	LPSTR lpszCommandLine, int nCmdShow)
michael@0	30	{
michael@0	31	LPWSTR commandLine = GetCommandLineW();
michael@0	32
michael@0	33	/* parse for __argc and __wargv for compatibility, since mingw
michael@0	34	* doesn't claim to support it :(
michael@0	35	*/
michael@0	36	__wargv = CommandLineToArgvW(commandLine, &__argc);
michael@0	37	if (!__wargv)
michael@0	38	return 127;
michael@0	39
michael@0	40	/* need to strip off any leading whitespace plus the first argument
michael@0	41	* (the executable itself) to match what should be passed to wWinMain
michael@0	42	*/
michael@0	43	while ((*commandLine <= L' ') && *commandLine) {
michael@0	44	++commandLine;
michael@0	45	}
michael@0	46	if (*commandLine == L'"') {
michael@0	47	++commandLine;
michael@0	48	while ((*commandLine != L'"') && *commandLine) {
michael@0	49	++commandLine;
michael@0	50	}
michael@0	51	if (*commandLine) {
michael@0	52	++commandLine;
michael@0	53	}
michael@0	54	} else {
michael@0	55	while (*commandLine > L' ') {
michael@0	56	++commandLine;
michael@0	57	}
michael@0	58	}
michael@0	59	while ((*commandLine <= L' ') && *commandLine) {
michael@0	60	++commandLine;
michael@0	61	}
michael@0	62
michael@0	63	int result = wWinMain(hInstance, hPrevInstance, commandLine, nCmdShow);
michael@0	64	LocalFree(__wargv);
michael@0	65	return result;
michael@0	66	}
michael@0	67	#endif /* __MINGW32__ */
michael@0	68
michael@0	69
michael@0	70	int WINAPI
michael@0	71	wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
michael@0	72	LPWSTR lpszCmdLine, int nCmdShow)
michael@0	73	{
michael@0	74	/* support for auto answering based on words in the assertion.
michael@0	75	* the assertion message is sent as a series of arguements (words) to the commandline.
michael@0	76	* set a "word" to 0xffffffff to let the word not affect this code.
michael@0	77	* set a "word" to 0xfffffffe to show the dialog.
michael@0	78	* set a "word" to 0x5 to ignore (program should continue).
michael@0	79	* set a "word" to 0x4 to retry (should fall into debugger).
michael@0	80	* set a "word" to 0x3 to abort (die).
michael@0	81	*/
michael@0	82	DWORD regType;
michael@0	83	DWORD regValue = -1;
michael@0	84	DWORD regLength = sizeof regValue;
michael@0	85	HKEY hkeyCU, hkeyLM;
michael@0	86	RegOpenKeyExW(HKEY_CURRENT_USER, L"Software\\mozilla.org\\windbgdlg", 0, KEY_READ, &hkeyCU);
michael@0	87	RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"Software\\mozilla.org\\windbgdlg", 0, KEY_READ, &hkeyLM);
michael@0	88	int argc =0;
michael@0	89	for (int i = __argc - 1; regValue == (DWORD)-1 && i; --i) {
michael@0	90	bool ok = false;
michael@0	91	if (hkeyCU)
michael@0	92	ok = RegQueryValueExW(hkeyCU, __wargv[i], 0, &regType, (LPBYTE)&regValue, &regLength) == ERROR_SUCCESS;
michael@0	93	if (!ok && hkeyLM)
michael@0	94	ok = RegQueryValueExW(hkeyLM, __wargv[i], 0, &regType, (LPBYTE)&regValue, &regLength) == ERROR_SUCCESS;
michael@0	95	if (!ok)
michael@0	96	regValue = -1;
michael@0	97	}
michael@0	98	if (hkeyCU)
michael@0	99	RegCloseKey(hkeyCU);
michael@0	100	if (hkeyLM)
michael@0	101	RegCloseKey(hkeyLM);
michael@0	102	if (regValue != (DWORD)-1 && regValue != (DWORD)-2)
michael@0	103	return regValue;
michael@0	104	static const int size = 4096;
michael@0	105	static WCHAR msg[size];
michael@0	106
michael@0	107	#ifdef _MSC_VER
michael@0	108	StringCchPrintfW(msg,
michael@0	109	#else
michael@0	110	snwprintf(msg,
michael@0	111	#endif
michael@0	112	size,
michael@0	113	L"%s\n\nClick Abort to exit the Application.\n"
michael@0	114	L"Click Retry to Debug the Application.\n"
michael@0	115	L"Click Ignore to continue running the Application.",
michael@0	116	lpszCmdLine);
michael@0	117	msg[size - 1] = L'\0';
michael@0	118	return MessageBoxW(nullptr, msg, L"NSGlue_Assertion",
michael@0	119	MB_ICONSTOP | MB_SYSTEMMODAL |
michael@0	120	MB_ABORTRETRYIGNORE | MB_DEFBUTTON3);
michael@0	121	}