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openttd 1.4 rc1

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branch : openttd
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Pavel Stupnikov
2014-03-25 15:18:09 +04:00
commit 09818a1493
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src/os/windows/crashlog_win.cpp
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/* $Id: crashlog_win.cpp 25677 2013-08-05 20:36:58Z michi_cc $ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file crashlog_win.cpp Implementation of a crashlogger for Windows */
#include "../../stdafx.h"
#include "../../crashlog.h"
#include "win32.h"
#include "../../core/alloc_func.hpp"
#include "../../core/math_func.hpp"
#include "../../string_func.h"
#include "../../fileio_func.h"
#include "../../strings_func.h"
#include "../../gamelog.h"
#include "../../saveload/saveload.h"
#include "../../video/video_driver.hpp"
#include <windows.h>
#include <signal.h>
static const uint MAX_SYMBOL_LEN = 512;
static const uint MAX_FRAMES = 64;
/* printf format specification for 32/64-bit addresses. */
#ifdef _M_AMD64
#define PRINTF_PTR "0x%016IX"
#else
#define PRINTF_PTR "0x%08X"
#endif
/**
* Windows implementation for the crash logger.
*/
class CrashLogWindows : public CrashLog {
/** Information about the encountered exception */
EXCEPTION_POINTERS *ep;
/* virtual */ char *LogOSVersion(char *buffer, const char *last) const;
/* virtual */ char *LogError(char *buffer, const char *last, const char *message) const;
/* virtual */ char *LogStacktrace(char *buffer, const char *last) const;
/* virtual */ char *LogRegisters(char *buffer, const char *last) const;
/* virtual */ char *LogModules(char *buffer, const char *last) const;
public:
#if defined(_MSC_VER)
/* virtual */ int WriteCrashDump(char *filename, const char *filename_last) const;
char *AppendDecodedStacktrace(char *buffer, const char *last) const;
#else
char *AppendDecodedStacktrace(char *buffer, const char *last) const { return buffer; }
#endif /* _MSC_VER */
/** Buffer for the generated crash log */
char crashlog[65536];
/** Buffer for the filename of the crash log */
char crashlog_filename[MAX_PATH];
/** Buffer for the filename of the crash dump */
char crashdump_filename[MAX_PATH];
/** Buffer for the filename of the crash screenshot */
char screenshot_filename[MAX_PATH];
/**
* A crash log is always generated when it's generated.
* @param ep the data related to the exception.
*/
CrashLogWindows(EXCEPTION_POINTERS *ep = NULL) :
ep(ep)
{
this->crashlog[0] = '\0';
this->crashlog_filename[0] = '\0';
this->crashdump_filename[0] = '\0';
this->screenshot_filename[0] = '\0';
}
/**
* Points to the current crash log.
*/
static CrashLogWindows *current;
};
/* static */ CrashLogWindows *CrashLogWindows::current = NULL;
/* virtual */ char *CrashLogWindows::LogOSVersion(char *buffer, const char *last) const
{
_OSVERSIONINFOA os;
os.dwOSVersionInfoSize = sizeof(os);
GetVersionExA(&os);
return buffer + seprintf(buffer, last,
"Operating system:\n"
" Name: Windows\n"
" Release: %d.%d.%d (%s)\n",
(int)os.dwMajorVersion,
(int)os.dwMinorVersion,
(int)os.dwBuildNumber,
os.szCSDVersion
);
}
/* virtual */ char *CrashLogWindows::LogError(char *buffer, const char *last, const char *message) const
{
return buffer + seprintf(buffer, last,
"Crash reason:\n"
" Exception: %.8X\n"
#ifdef _M_AMD64
" Location: %.16IX\n"
#else
" Location: %.8X\n"
#endif
" Message: %s\n\n",
(int)ep->ExceptionRecord->ExceptionCode,
(size_t)ep->ExceptionRecord->ExceptionAddress,
message == NULL ? "<none>" : message
);
}
struct DebugFileInfo {
uint32 size;
uint32 crc32;
SYSTEMTIME file_time;
};
static uint32 *_crc_table;
static void MakeCRCTable(uint32 *table)
{
uint32 crc, poly = 0xEDB88320L;
int i;
int j;
_crc_table = table;
for (i = 0; i != 256; i++) {
crc = i;
for (j = 8; j != 0; j--) {
crc = (crc & 1 ? (crc >> 1) ^ poly : crc >> 1);
}
table[i] = crc;
}
}
static uint32 CalcCRC(byte *data, uint size, uint32 crc)
{
for (; size > 0; size--) {
crc = ((crc >> 8) & 0x00FFFFFF) ^ _crc_table[(crc ^ *data++) & 0xFF];
}
return crc;
}
static void GetFileInfo(DebugFileInfo *dfi, const TCHAR *filename)
{
HANDLE file;
memset(dfi, 0, sizeof(*dfi));
file = CreateFile(filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0);
if (file != INVALID_HANDLE_VALUE) {
byte buffer[1024];
DWORD numread;
uint32 filesize = 0;
FILETIME write_time;
uint32 crc = (uint32)-1;
for (;;) {
if (ReadFile(file, buffer, sizeof(buffer), &numread, NULL) == 0 || numread == 0) {
break;
}
filesize += numread;
crc = CalcCRC(buffer, numread, crc);
}
dfi->size = filesize;
dfi->crc32 = crc ^ (uint32)-1;
if (GetFileTime(file, NULL, NULL, &write_time)) {
FileTimeToSystemTime(&write_time, &dfi->file_time);
}
CloseHandle(file);
}
}
static char *PrintModuleInfo(char *output, const char *last, HMODULE mod)
{
TCHAR buffer[MAX_PATH];
DebugFileInfo dfi;
GetModuleFileName(mod, buffer, MAX_PATH);
GetFileInfo(&dfi, buffer);
output += seprintf(output, last, " %-20s handle: %p size: %d crc: %.8X date: %d-%.2d-%.2d %.2d:%.2d:%.2d\n",
FS2OTTD(buffer),
mod,
dfi.size,
dfi.crc32,
dfi.file_time.wYear,
dfi.file_time.wMonth,
dfi.file_time.wDay,
dfi.file_time.wHour,
dfi.file_time.wMinute,
dfi.file_time.wSecond
);
return output;
}
/* virtual */ char *CrashLogWindows::LogModules(char *output, const char *last) const
{
MakeCRCTable(AllocaM(uint32, 256));
BOOL (WINAPI *EnumProcessModules)(HANDLE, HMODULE*, DWORD, LPDWORD);
output += seprintf(output, last, "Module information:\n");
if (LoadLibraryList((Function*)&EnumProcessModules, "psapi.dll\0EnumProcessModules\0\0")) {
HMODULE modules[100];
DWORD needed;
BOOL res;
HANDLE proc = OpenProcess(PROCESS_ALL_ACCESS, FALSE, GetCurrentProcessId());
if (proc != NULL) {
res = EnumProcessModules(proc, modules, sizeof(modules), &needed);
CloseHandle(proc);
if (res) {
size_t count = min(needed / sizeof(HMODULE), lengthof(modules));
for (size_t i = 0; i != count; i++) output = PrintModuleInfo(output, last, modules[i]);
return output + seprintf(output, last, "\n");
}
}
}
output = PrintModuleInfo(output, last, NULL);
return output + seprintf(output, last, "\n");
}
/* virtual */ char *CrashLogWindows::LogRegisters(char *buffer, const char *last) const
{
buffer += seprintf(buffer, last, "Registers:\n");
#ifdef _M_AMD64
buffer += seprintf(buffer, last,
" RAX: %.16I64X RBX: %.16I64X RCX: %.16I64X RDX: %.16I64X\n"
" RSI: %.16I64X RDI: %.16I64X RBP: %.16I64X RSP: %.16I64X\n"
" R8: %.16I64X R9: %.16I64X R10: %.16I64X R11: %.16I64X\n"
" R12: %.16I64X R13: %.16I64X R14: %.16I64X R15: %.16I64X\n"
" RIP: %.16I64X EFLAGS: %.8lX\n",
ep->ContextRecord->Rax,
ep->ContextRecord->Rbx,
ep->ContextRecord->Rcx,
ep->ContextRecord->Rdx,
ep->ContextRecord->Rsi,
ep->ContextRecord->Rdi,
ep->ContextRecord->Rbp,
ep->ContextRecord->Rsp,
ep->ContextRecord->R8,
ep->ContextRecord->R9,
ep->ContextRecord->R10,
ep->ContextRecord->R11,
ep->ContextRecord->R12,
ep->ContextRecord->R13,
ep->ContextRecord->R14,
ep->ContextRecord->R15,
ep->ContextRecord->Rip,
ep->ContextRecord->EFlags
);
#else
buffer += seprintf(buffer, last,
" EAX: %.8X EBX: %.8X ECX: %.8X EDX: %.8X\n"
" ESI: %.8X EDI: %.8X EBP: %.8X ESP: %.8X\n"
" EIP: %.8X EFLAGS: %.8X\n",
(int)ep->ContextRecord->Eax,
(int)ep->ContextRecord->Ebx,
(int)ep->ContextRecord->Ecx,
(int)ep->ContextRecord->Edx,
(int)ep->ContextRecord->Esi,
(int)ep->ContextRecord->Edi,
(int)ep->ContextRecord->Ebp,
(int)ep->ContextRecord->Esp,
(int)ep->ContextRecord->Eip,
(int)ep->ContextRecord->EFlags
);
#endif
buffer += seprintf(buffer, last, "\n Bytes at instruction pointer:\n");
#ifdef _M_AMD64
byte *b = (byte*)ep->ContextRecord->Rip;
#else
byte *b = (byte*)ep->ContextRecord->Eip;
#endif
for (int i = 0; i != 24; i++) {
if (IsBadReadPtr(b, 1)) {
buffer += seprintf(buffer, last, " ??"); // OCR: WAS: , 0);
} else {
buffer += seprintf(buffer, last, " %.2X", *b);
}
b++;
}
return buffer + seprintf(buffer, last, "\n\n");
}
/* virtual */ char *CrashLogWindows::LogStacktrace(char *buffer, const char *last) const
{
buffer += seprintf(buffer, last, "Stack trace:\n");
#ifdef _M_AMD64
uint32 *b = (uint32*)ep->ContextRecord->Rsp;
#else
uint32 *b = (uint32*)ep->ContextRecord->Esp;
#endif
for (int j = 0; j != 24; j++) {
for (int i = 0; i != 8; i++) {
if (IsBadReadPtr(b, sizeof(uint32))) {
buffer += seprintf(buffer, last, " ????????"); // OCR: WAS - , 0);
} else {
buffer += seprintf(buffer, last, " %.8X", *b);
}
b++;
}
buffer += seprintf(buffer, last, "\n");
}
return buffer + seprintf(buffer, last, "\n");
}
#if defined(_MSC_VER)
#include <dbghelp.h>
char *CrashLogWindows::AppendDecodedStacktrace(char *buffer, const char *last) const
{
#define M(x) x "\0"
static const char dbg_import[] =
M("dbghelp.dll")
M("SymInitialize")
M("SymSetOptions")
M("SymCleanup")
M("StackWalk64")
M("SymFunctionTableAccess64")
M("SymGetModuleBase64")
M("SymGetModuleInfo64")
M("SymGetSymFromAddr64")
M("SymGetLineFromAddr64")
M("")
;
#undef M
struct ProcPtrs {
BOOL (WINAPI * pSymInitialize)(HANDLE, PCSTR, BOOL);
BOOL (WINAPI * pSymSetOptions)(DWORD);
BOOL (WINAPI * pSymCleanup)(HANDLE);
BOOL (WINAPI * pStackWalk64)(DWORD, HANDLE, HANDLE, LPSTACKFRAME64, PVOID, PREAD_PROCESS_MEMORY_ROUTINE64, PFUNCTION_TABLE_ACCESS_ROUTINE64, PGET_MODULE_BASE_ROUTINE64, PTRANSLATE_ADDRESS_ROUTINE64);
PVOID (WINAPI * pSymFunctionTableAccess64)(HANDLE, DWORD64);
DWORD64 (WINAPI * pSymGetModuleBase64)(HANDLE, DWORD64);
BOOL (WINAPI * pSymGetModuleInfo64)(HANDLE, DWORD64, PIMAGEHLP_MODULE64);
BOOL (WINAPI * pSymGetSymFromAddr64)(HANDLE, DWORD64, PDWORD64, PIMAGEHLP_SYMBOL64);
BOOL (WINAPI * pSymGetLineFromAddr64)(HANDLE, DWORD64, PDWORD, PIMAGEHLP_LINE64);
} proc;
buffer += seprintf(buffer, last, "\nDecoded stack trace:\n");
/* Try to load the functions from the DLL, if that fails because of a too old dbghelp.dll, just skip it. */
if (LoadLibraryList((Function*)&proc, dbg_import)) {
/* Initialize symbol handler. */
HANDLE hCur = GetCurrentProcess();
proc.pSymInitialize(hCur, NULL, TRUE);
/* Load symbols only when needed, fail silently on errors, demangle symbol names. */
proc.pSymSetOptions(SYMOPT_DEFERRED_LOADS | SYMOPT_FAIL_CRITICAL_ERRORS | SYMOPT_UNDNAME);
/* Initialize starting stack frame from context record. */
STACKFRAME64 frame;
memset(&frame, 0, sizeof(frame));
#ifdef _M_AMD64
frame.AddrPC.Offset = ep->ContextRecord->Rip;
frame.AddrFrame.Offset = ep->ContextRecord->Rbp;
frame.AddrStack.Offset = ep->ContextRecord->Rsp;
#else
frame.AddrPC.Offset = ep->ContextRecord->Eip;
frame.AddrFrame.Offset = ep->ContextRecord->Ebp;
frame.AddrStack.Offset = ep->ContextRecord->Esp;
#endif
frame.AddrPC.Mode = AddrModeFlat;
frame.AddrFrame.Mode = AddrModeFlat;
frame.AddrStack.Mode = AddrModeFlat;
/* Copy context record as StackWalk64 may modify it. */
CONTEXT ctx;
memcpy(&ctx, ep->ContextRecord, sizeof(ctx));
/* Allocate space for symbol info. */
IMAGEHLP_SYMBOL64 *sym_info = (IMAGEHLP_SYMBOL64*)alloca(sizeof(IMAGEHLP_SYMBOL64) + MAX_SYMBOL_LEN - 1);
sym_info->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL64);
sym_info->MaxNameLength = MAX_SYMBOL_LEN;
/* Walk stack at most MAX_FRAMES deep in case the stack is corrupt. */
for (uint num = 0; num < MAX_FRAMES; num++) {
if (!proc.pStackWalk64(
#ifdef _M_AMD64
IMAGE_FILE_MACHINE_AMD64,
#else
IMAGE_FILE_MACHINE_I386,
#endif
hCur, GetCurrentThread(), &frame, &ctx, NULL, proc.pSymFunctionTableAccess64, proc.pSymGetModuleBase64, NULL)) break;
if (frame.AddrPC.Offset == frame.AddrReturn.Offset) {
buffer += seprintf(buffer, last, " <infinite loop>\n");
break;
}
/* Get module name. */
const char *mod_name = "???";
IMAGEHLP_MODULE64 module;
module.SizeOfStruct = sizeof(module);
if (proc.pSymGetModuleInfo64(hCur, frame.AddrPC.Offset, &module)) {
mod_name = module.ModuleName;
}
/* Print module and instruction pointer. */
buffer += seprintf(buffer, last, "[%02d] %-20s " PRINTF_PTR, num, mod_name, frame.AddrPC.Offset);
/* Get symbol name and line info if possible. */
DWORD64 offset;
if (proc.pSymGetSymFromAddr64(hCur, frame.AddrPC.Offset, &offset, sym_info)) {
buffer += seprintf(buffer, last, " %s + %I64u", sym_info->Name, offset);
DWORD line_offs;
IMAGEHLP_LINE64 line;
line.SizeOfStruct = sizeof(IMAGEHLP_LINE64);
if (proc.pSymGetLineFromAddr64(hCur, frame.AddrPC.Offset, &line_offs, &line)) {
buffer += seprintf(buffer, last, " (%s:%d)", line.FileName, line.LineNumber);
}
}
buffer += seprintf(buffer, last, "\n");
}
proc.pSymCleanup(hCur);
}
return buffer + seprintf(buffer, last, "\n*** End of additional info ***\n");
}
/* virtual */ int CrashLogWindows::WriteCrashDump(char *filename, const char *filename_last) const
{
int ret = 0;
HMODULE dbghelp = LoadLibrary(_T("dbghelp.dll"));
if (dbghelp != NULL) {
typedef BOOL (WINAPI *MiniDumpWriteDump_t)(HANDLE, DWORD, HANDLE,
MINIDUMP_TYPE,
CONST PMINIDUMP_EXCEPTION_INFORMATION,
CONST PMINIDUMP_USER_STREAM_INFORMATION,
CONST PMINIDUMP_CALLBACK_INFORMATION);
MiniDumpWriteDump_t funcMiniDumpWriteDump = (MiniDumpWriteDump_t)GetProcAddress(dbghelp, "MiniDumpWriteDump");
if (funcMiniDumpWriteDump != NULL) {
seprintf(filename, filename_last, "%scrash.dmp", _personal_dir);
HANDLE file = CreateFile(OTTD2FS(filename), GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0);
HANDLE proc = GetCurrentProcess();
DWORD procid = GetCurrentProcessId();
MINIDUMP_EXCEPTION_INFORMATION mdei;
MINIDUMP_USER_STREAM userstream;
MINIDUMP_USER_STREAM_INFORMATION musi;
userstream.Type = LastReservedStream + 1;
userstream.Buffer = (void*)this->crashlog;
userstream.BufferSize = (ULONG)strlen(this->crashlog) + 1;
musi.UserStreamCount = 1;
musi.UserStreamArray = &userstream;
mdei.ThreadId = GetCurrentThreadId();
mdei.ExceptionPointers = ep;
mdei.ClientPointers = false;
funcMiniDumpWriteDump(proc, procid, file, MiniDumpWithDataSegs, &mdei, &musi, NULL);
ret = 1;
} else {
ret = -1;
}
FreeLibrary(dbghelp);
}
return ret;
}
#endif /* _MSC_VER */
extern bool CloseConsoleLogIfActive();
static void ShowCrashlogWindow();
/**
* Stack pointer for use when 'starting' the crash handler.
* Not static as gcc's inline assembly needs it that way.
*/
void *_safe_esp = NULL;
static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep)
{
if (CrashLogWindows::current != NULL) {
CrashLog::AfterCrashLogCleanup();
ExitProcess(2);
}
if (GamelogTestEmergency()) {
static const TCHAR _emergency_crash[] =
_T("A serious fault condition occurred in the game. The game will shut down.\n")
_T("As you loaded an emergency savegame no crash information will be generated.\n");
MessageBox(NULL, _emergency_crash, _T("Fatal Application Failure"), MB_ICONERROR);
ExitProcess(3);
}
if (SaveloadCrashWithMissingNewGRFs()) {
static const TCHAR _saveload_crash[] =
_T("A serious fault condition occurred in the game. The game will shut down.\n")
_T("As you loaded an savegame for which you do not have the required NewGRFs\n")
_T("no crash information will be generated.\n");
MessageBox(NULL, _saveload_crash, _T("Fatal Application Failure"), MB_ICONERROR);
ExitProcess(3);
}
CrashLogWindows *log = new CrashLogWindows(ep);
CrashLogWindows::current = log;
char *buf = log->FillCrashLog(log->crashlog, lastof(log->crashlog));
log->WriteCrashDump(log->crashdump_filename, lastof(log->crashdump_filename));
log->AppendDecodedStacktrace(buf, lastof(log->crashlog));
log->WriteCrashLog(log->crashlog, log->crashlog_filename, lastof(log->crashlog_filename));
log->WriteScreenshot(log->screenshot_filename, lastof(log->screenshot_filename));
/* Close any possible log files */
CloseConsoleLogIfActive();
if ((_video_driver == NULL || _video_driver->HasGUI()) && _safe_esp != NULL) {
#ifdef _M_AMD64
ep->ContextRecord->Rip = (DWORD64)ShowCrashlogWindow;
ep->ContextRecord->Rsp = (DWORD64)_safe_esp;
#else
ep->ContextRecord->Eip = (DWORD)ShowCrashlogWindow;
ep->ContextRecord->Esp = (DWORD)_safe_esp;
#endif
return EXCEPTION_CONTINUE_EXECUTION;
}
CrashLog::AfterCrashLogCleanup();
return EXCEPTION_EXECUTE_HANDLER;
}
static void CDECL CustomAbort(int signal)
{
RaiseException(0xE1212012, 0, 0, NULL);
}
/* static */ void CrashLog::InitialiseCrashLog()
{
#ifdef _M_AMD64
CONTEXT ctx;
RtlCaptureContext(&ctx);
/* The stack pointer for AMD64 must always be 16-byte aligned inside a
* function. As we are simulating a function call with the safe ESP value,
* we need to subtract 8 for the imaginary return address otherwise stack
* alignment would be wrong in the called function. */
_safe_esp = (void *)(ctx.Rsp - 8);
#else
#if defined(_MSC_VER)
_asm {
mov _safe_esp, esp
}
#else
asm("movl %esp, __safe_esp");
#endif
#endif
/* SIGABRT is not an unhandled exception, so we need to intercept it. */
signal(SIGABRT, CustomAbort);
#if defined(_MSC_VER)
/* Don't show abort message as we will get the crashlog window anyway. */
_set_abort_behavior(0, _WRITE_ABORT_MSG);
#endif
SetUnhandledExceptionFilter(ExceptionHandler);
}
/* The crash log GUI */
static bool _expanded;
static const TCHAR _crash_desc[] =
_T("A serious fault condition occurred in the game. The game will shut down.\n")
_T("Please send the crash information and the crash.dmp file (if any) to the developers.\n")
_T("This will greatly help debugging. The correct place to do this is http://bugs.openttd.org. ")
_T("The information contained in the report is displayed below.\n")
_T("Press \"Emergency save\" to attempt saving the game. Generated file(s):\n")
_T("%s");
static const TCHAR _save_succeeded[] =
_T("Emergency save succeeded.\nIts location is '%s'.\n")
_T("Be aware that critical parts of the internal game state may have become ")
_T("corrupted. The saved game is not guaranteed to work.");
static const TCHAR * const _expand_texts[] = {_T("S&how report >>"), _T("&Hide report <<") };
static void SetWndSize(HWND wnd, int mode)
{
RECT r, r2;
GetWindowRect(wnd, &r);
SetDlgItemText(wnd, 15, _expand_texts[mode == 1]);
if (mode >= 0) {
GetWindowRect(GetDlgItem(wnd, 11), &r2);
int offs = r2.bottom - r2.top + 10;
if (mode == 0) offs = -offs;
SetWindowPos(wnd, HWND_TOPMOST, 0, 0,
r.right - r.left, r.bottom - r.top + offs, SWP_NOMOVE | SWP_NOZORDER);
} else {
SetWindowPos(wnd, HWND_TOPMOST,
(GetSystemMetrics(SM_CXSCREEN) - (r.right - r.left)) / 2,
(GetSystemMetrics(SM_CYSCREEN) - (r.bottom - r.top)) / 2,
0, 0, SWP_NOSIZE);
}
}
static INT_PTR CALLBACK CrashDialogFunc(HWND wnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (msg) {
case WM_INITDIALOG: {
/* We need to put the crash-log in a separate buffer because the default
* buffer in MB_TO_WIDE is not large enough (512 chars) */
TCHAR crash_msgW[lengthof(CrashLogWindows::current->crashlog)];
/* Convert unix -> dos newlines because the edit box only supports that properly :( */
const char *unix_nl = CrashLogWindows::current->crashlog;
char dos_nl[lengthof(CrashLogWindows::current->crashlog)];
char *p = dos_nl;
WChar c;
while ((c = Utf8Consume(&unix_nl)) && p < lastof(dos_nl) - 4) { // 4 is max number of bytes per character
if (c == '\n') p += Utf8Encode(p, '\r');
p += Utf8Encode(p, c);
}
*p = '\0';
/* Add path to crash.log and crash.dmp (if any) to the crash window text */
size_t len = _tcslen(_crash_desc) + 2;
len += _tcslen(OTTD2FS(CrashLogWindows::current->crashlog_filename)) + 2;
len += _tcslen(OTTD2FS(CrashLogWindows::current->crashdump_filename)) + 2;
len += _tcslen(OTTD2FS(CrashLogWindows::current->screenshot_filename)) + 1;
TCHAR *text = AllocaM(TCHAR, len);
_sntprintf(text, len, _crash_desc, OTTD2FS(CrashLogWindows::current->crashlog_filename));
if (OTTD2FS(CrashLogWindows::current->crashdump_filename)[0] != _T('\0')) {
_tcscat(text, _T("\n"));
_tcscat(text, OTTD2FS(CrashLogWindows::current->crashdump_filename));
}
if (OTTD2FS(CrashLogWindows::current->screenshot_filename)[0] != _T('\0')) {
_tcscat(text, _T("\n"));
_tcscat(text, OTTD2FS(CrashLogWindows::current->screenshot_filename));
}
SetDlgItemText(wnd, 10, text);
SetDlgItemText(wnd, 11, convert_to_fs(dos_nl, crash_msgW, lengthof(crash_msgW)));
SendDlgItemMessage(wnd, 11, WM_SETFONT, (WPARAM)GetStockObject(ANSI_FIXED_FONT), FALSE);
SetWndSize(wnd, -1);
} return TRUE;
case WM_COMMAND:
switch (wParam) {
case 12: // Close
CrashLog::AfterCrashLogCleanup();
ExitProcess(2);
case 13: // Emergency save
char filename[MAX_PATH];
if (CrashLogWindows::current->WriteSavegame(filename, lastof(filename))) {
size_t len = _tcslen(_save_succeeded) + _tcslen(OTTD2FS(filename)) + 1;
TCHAR *text = AllocaM(TCHAR, len);
_sntprintf(text, len, _save_succeeded, OTTD2FS(filename));
MessageBox(wnd, text, _T("Save successful"), MB_ICONINFORMATION);
} else {
MessageBox(wnd, _T("Save failed"), _T("Save failed"), MB_ICONINFORMATION);
}
break;
case 15: // Expand window to show crash-message
_expanded ^= 1;
SetWndSize(wnd, _expanded);
break;
}
return TRUE;
case WM_CLOSE:
CrashLog::AfterCrashLogCleanup();
ExitProcess(2);
}
return FALSE;
}
static void ShowCrashlogWindow()
{
ShowCursor(TRUE);
ShowWindow(GetActiveWindow(), FALSE);
DialogBox(GetModuleHandle(NULL), MAKEINTRESOURCE(100), NULL, CrashDialogFunc);
}