Files @ r27192:ca232e33e315
Branch filter:

Location: cpp/openttd-patchpack/source/src/os/windows/win32.cpp

Rubidium
Codechange: let convert_to_fs accept std::string
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
/*
 * 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 win32.cpp Implementation of MS Windows system calls */

#include "../../stdafx.h"
#include "../../debug.h"
#include "../../gfx_func.h"
#include "../../textbuf_gui.h"
#include "../../fileio_func.h"
#include <windows.h>
#include <fcntl.h>
#include <mmsystem.h>
#include <regstr.h>
#define NO_SHOBJIDL_SORTDIRECTION // Avoid multiple definition of SORT_ASCENDING
#include <shlobj.h> /* SHGetFolderPath */
#include <shellapi.h>
#include "win32.h"
#include "../../fios.h"
#include "../../core/alloc_func.hpp"
#include "../../string_func.h"
#include <errno.h>
#include <sys/stat.h>
#include "../../language.h"
#include "../../thread.h"
#include <array>

#include "../../safeguards.h"

static bool _has_console;
static bool _cursor_disable = true;
static bool _cursor_visible = true;

bool MyShowCursor(bool show, bool toggle)
{
	if (toggle) _cursor_disable = !_cursor_disable;
	if (_cursor_disable) return show;
	if (_cursor_visible == show) return show;

	_cursor_visible = show;
	ShowCursor(show);

	return !show;
}

void ShowOSErrorBox(const char *buf, bool system)
{
	MyShowCursor(true);
	MessageBox(GetActiveWindow(), OTTD2FS(buf).c_str(), L"Error!", MB_ICONSTOP | MB_TASKMODAL);
}

void OSOpenBrowser(const char *url)
{
	ShellExecute(GetActiveWindow(), L"open", OTTD2FS(url).c_str(), nullptr, nullptr, SW_SHOWNORMAL);
}

/* Code below for windows version of opendir/readdir/closedir copied and
 * modified from Jan Wassenberg's GPL implementation posted over at
 * http://www.gamedev.net/community/forums/topic.asp?topic_id=364584&whichpage=1&#2398903 */

struct DIR {
	HANDLE hFind;
	/* the dirent returned by readdir.
	 * note: having only one global instance is not possible because
	 * multiple independent opendir/readdir sequences must be supported. */
	dirent ent;
	WIN32_FIND_DATA fd;
	/* since opendir calls FindFirstFile, we need a means of telling the
	 * first call to readdir that we already have a file.
	 * that's the case iff this is true */
	bool at_first_entry;
};

/* suballocator - satisfies most requests with a reusable static instance.
 * this avoids hundreds of alloc/free which would fragment the heap.
 * To guarantee concurrency, we fall back to malloc if the instance is
 * already in use (it's important to avoid surprises since this is such a
 * low-level routine). */
static DIR _global_dir;
static LONG _global_dir_is_in_use = false;

static inline DIR *dir_calloc()
{
	DIR *d;

	if (InterlockedExchange(&_global_dir_is_in_use, true) == (LONG)true) {
		d = CallocT<DIR>(1);
	} else {
		d = &_global_dir;
		memset(d, 0, sizeof(*d));
	}
	return d;
}

static inline void dir_free(DIR *d)
{
	if (d == &_global_dir) {
		_global_dir_is_in_use = (LONG)false;
	} else {
		free(d);
	}
}

DIR *opendir(const wchar_t *path)
{
	DIR *d;
	UINT sem = SetErrorMode(SEM_FAILCRITICALERRORS); // disable 'no-disk' message box
	DWORD fa = GetFileAttributes(path);

	if ((fa != INVALID_FILE_ATTRIBUTES) && (fa & FILE_ATTRIBUTE_DIRECTORY)) {
		d = dir_calloc();
		if (d != nullptr) {
			std::wstring search_path = path;
			bool slash = path[wcslen(path) - 1] == '\\';

			/* build search path for FindFirstFile, try not to append additional slashes
			 * as it throws Win9x off its groove for root directories */
			if (!slash) search_path += L"\\";
			search_path += L"*";
			d->hFind = FindFirstFile(search_path.c_str(), &d->fd);

			if (d->hFind != INVALID_HANDLE_VALUE ||
					GetLastError() == ERROR_NO_MORE_FILES) { // the directory is empty
				d->ent.dir = d;
				d->at_first_entry = true;
			} else {
				dir_free(d);
				d = nullptr;
			}
		} else {
			errno = ENOMEM;
		}
	} else {
		/* path not found or not a directory */
		d = nullptr;
		errno = ENOENT;
	}

	SetErrorMode(sem); // restore previous setting
	return d;
}

struct dirent *readdir(DIR *d)
{
	DWORD prev_err = GetLastError(); // avoid polluting last error

	if (d->at_first_entry) {
		/* the directory was empty when opened */
		if (d->hFind == INVALID_HANDLE_VALUE) return nullptr;
		d->at_first_entry = false;
	} else if (!FindNextFile(d->hFind, &d->fd)) { // determine cause and bail
		if (GetLastError() == ERROR_NO_MORE_FILES) SetLastError(prev_err);
		return nullptr;
	}

	/* This entry has passed all checks; return information about it.
	 * (note: d_name is a pointer; see struct dirent definition) */
	d->ent.d_name = d->fd.cFileName;
	return &d->ent;
}

int closedir(DIR *d)
{
	FindClose(d->hFind);
	dir_free(d);
	return 0;
}

bool FiosIsRoot(const char *file)
{
	return file[3] == '\0'; // C:\...
}

void FiosGetDrives(FileList &file_list)
{
	wchar_t drives[256];
	const wchar_t *s;

	GetLogicalDriveStrings(lengthof(drives), drives);
	for (s = drives; *s != '\0';) {
		FiosItem *fios = &file_list.emplace_back();
		fios->type = FIOS_TYPE_DRIVE;
		fios->mtime = 0;
		seprintf(fios->name, lastof(fios->name),  "%c:", s[0] & 0xFF);
		strecpy(fios->title, fios->name, lastof(fios->title));
		while (*s++ != '\0') { /* Nothing */ }
	}
}

bool FiosIsValidFile(const char *path, const struct dirent *ent, struct stat *sb)
{
	/* hectonanoseconds between Windows and POSIX epoch */
	static const int64 posix_epoch_hns = 0x019DB1DED53E8000LL;
	const WIN32_FIND_DATA *fd = &ent->dir->fd;

	sb->st_size  = ((uint64) fd->nFileSizeHigh << 32) + fd->nFileSizeLow;
	/* UTC FILETIME to seconds-since-1970 UTC
	 * we just have to subtract POSIX epoch and scale down to units of seconds.
	 * http://www.gamedev.net/community/forums/topic.asp?topic_id=294070&whichpage=1&#1860504
	 * XXX - not entirely correct, since filetimes on FAT aren't UTC but local,
	 * this won't entirely be correct, but we use the time only for comparison. */
	sb->st_mtime = (time_t)((*(const uint64*)&fd->ftLastWriteTime - posix_epoch_hns) / 1E7);
	sb->st_mode  = (fd->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)? S_IFDIR : S_IFREG;

	return true;
}

bool FiosIsHiddenFile(const struct dirent *ent)
{
	return (ent->dir->fd.dwFileAttributes & (FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM)) != 0;
}

bool FiosGetDiskFreeSpace(const char *path, uint64 *tot)
{
	UINT sem = SetErrorMode(SEM_FAILCRITICALERRORS);  // disable 'no-disk' message box

	ULARGE_INTEGER bytes_free;
	bool retval = GetDiskFreeSpaceEx(OTTD2FS(path).c_str(), &bytes_free, nullptr, nullptr);
	if (retval && tot != nullptr) *tot = bytes_free.QuadPart;

	SetErrorMode(sem); // reset previous setting
	return retval;
}

void CreateConsole()
{
	HANDLE hand;
	CONSOLE_SCREEN_BUFFER_INFO coninfo;

	if (_has_console) return;
	_has_console = true;

	if (!AllocConsole()) return;

	hand = GetStdHandle(STD_OUTPUT_HANDLE);
	GetConsoleScreenBufferInfo(hand, &coninfo);
	coninfo.dwSize.Y = 500;
	SetConsoleScreenBufferSize(hand, coninfo.dwSize);

	/* redirect unbuffered STDIN, STDOUT, STDERR to the console */
#if !defined(__CYGWIN__)

	/* Check if we can open a handle to STDOUT. */
	int fd = _open_osfhandle((intptr_t)hand, _O_TEXT);
	if (fd == -1) {
		/* Free everything related to the console. */
		FreeConsole();
		_has_console = false;
		_close(fd);
		CloseHandle(hand);

		ShowInfo("Unable to open an output handle to the console. Check known-bugs.txt for details.");
		return;
	}

#if defined(_MSC_VER) && _MSC_VER >= 1900
	freopen("CONOUT$", "a", stdout);
	freopen("CONIN$", "r", stdin);
	freopen("CONOUT$", "a", stderr);
#else
	*stdout = *_fdopen(fd, "w");
	*stdin = *_fdopen(_open_osfhandle((intptr_t)GetStdHandle(STD_INPUT_HANDLE), _O_TEXT), "r" );
	*stderr = *_fdopen(_open_osfhandle((intptr_t)GetStdHandle(STD_ERROR_HANDLE), _O_TEXT), "w" );
#endif

#else
	/* open_osfhandle is not in cygwin */
	*stdout = *fdopen(1, "w" );
	*stdin = *fdopen(0, "r" );
	*stderr = *fdopen(2, "w" );
#endif

	setvbuf(stdin, nullptr, _IONBF, 0);
	setvbuf(stdout, nullptr, _IONBF, 0);
	setvbuf(stderr, nullptr, _IONBF, 0);
}

/** Temporary pointer to get the help message to the window */
static const char *_help_msg;

/** Callback function to handle the window */
static INT_PTR CALLBACK HelpDialogFunc(HWND wnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	switch (msg) {
		case WM_INITDIALOG: {
			char help_msg[8192];
			const char *p = _help_msg;
			char *q = help_msg;
			while (q != lastof(help_msg) && *p != '\0') {
				if (*p == '\n') {
					*q++ = '\r';
					if (q == lastof(help_msg)) {
						q[-1] = '\0';
						break;
					}
				}
				*q++ = *p++;
			}
			*q = '\0';
			/* We need to put the text in a separate buffer because the default
			 * buffer in OTTD2FS might not be large enough (512 chars). */
			wchar_t help_msg_buf[8192];
			SetDlgItemText(wnd, 11, convert_to_fs(help_msg, help_msg_buf, lengthof(help_msg_buf)));
			SendDlgItemMessage(wnd, 11, WM_SETFONT, (WPARAM)GetStockObject(ANSI_FIXED_FONT), FALSE);
		} return TRUE;

		case WM_COMMAND:
			if (wParam == 12) ExitProcess(0);
			return TRUE;
		case WM_CLOSE:
			ExitProcess(0);
	}

	return FALSE;
}

void ShowInfoI(const std::string &str)
{
	if (_has_console) {
		fprintf(stderr, "%s\n", str.c_str());
	} else {
		bool old;
		ReleaseCapture();
		_left_button_clicked = _left_button_down = false;

		old = MyShowCursor(true);
		if (str.size() > 2048) {
			/* The minimum length of the help message is 2048. Other messages sent via
			 * ShowInfo are much shorter, or so long they need this way of displaying
			 * them anyway. */
			_help_msg = str.c_str();
			DialogBox(GetModuleHandle(nullptr), MAKEINTRESOURCE(101), nullptr, HelpDialogFunc);
		} else {
			/* We need to put the text in a separate buffer because the default
			 * buffer in OTTD2FS might not be large enough (512 chars). */
			wchar_t help_msg_buf[8192];
			MessageBox(GetActiveWindow(), convert_to_fs(str, help_msg_buf, lengthof(help_msg_buf)), L"OpenTTD", MB_ICONINFORMATION | MB_OK);
		}
		MyShowCursor(old);
	}
}

char *getcwd(char *buf, size_t size)
{
	wchar_t path[MAX_PATH];
	GetCurrentDirectory(MAX_PATH - 1, path);
	convert_from_fs(path, buf, size);
	return buf;
}

extern std::string _config_file;

void DetermineBasePaths(const char *exe)
{
	extern std::array<std::string, NUM_SEARCHPATHS> _searchpaths;

	wchar_t path[MAX_PATH];
#ifdef WITH_PERSONAL_DIR
	if (SUCCEEDED(SHGetFolderPath(nullptr, CSIDL_PERSONAL, nullptr, SHGFP_TYPE_CURRENT, path))) {
		std::string tmp(FS2OTTD(path));
		AppendPathSeparator(tmp);
		tmp += PERSONAL_DIR;
		AppendPathSeparator(tmp);
		_searchpaths[SP_PERSONAL_DIR] = tmp;

		tmp += "content_download";
		AppendPathSeparator(tmp);
		_searchpaths[SP_AUTODOWNLOAD_PERSONAL_DIR] = tmp;
	} else {
		_searchpaths[SP_PERSONAL_DIR].clear();
	}

	if (SUCCEEDED(SHGetFolderPath(nullptr, CSIDL_COMMON_DOCUMENTS, nullptr, SHGFP_TYPE_CURRENT, path))) {
		std::string tmp(FS2OTTD(path));
		AppendPathSeparator(tmp);
		tmp += PERSONAL_DIR;
		AppendPathSeparator(tmp);
		_searchpaths[SP_SHARED_DIR] = tmp;
	} else {
		_searchpaths[SP_SHARED_DIR].clear();
	}
#else
	_searchpaths[SP_PERSONAL_DIR].clear();
	_searchpaths[SP_SHARED_DIR].clear();
#endif

	if (_config_file.empty()) {
		char cwd[MAX_PATH];
		getcwd(cwd, lengthof(cwd));
		std::string cwd_s(cwd);
		AppendPathSeparator(cwd_s);
		_searchpaths[SP_WORKING_DIR] = cwd_s;
	} else {
		/* Use the folder of the config file as working directory. */
		wchar_t config_dir[MAX_PATH];
		wcsncpy(path, convert_to_fs(_config_file, path, lengthof(path)), lengthof(path));
		if (!GetFullPathName(path, lengthof(config_dir), config_dir, nullptr)) {
			Debug(misc, 0, "GetFullPathName failed ({})", GetLastError());
			_searchpaths[SP_WORKING_DIR].clear();
		} else {
			std::string tmp(FS2OTTD(config_dir));
			auto pos = tmp.find_last_of(PATHSEPCHAR);
			if (pos != std::string::npos) tmp.erase(pos + 1);

			_searchpaths[SP_WORKING_DIR] = tmp;
		}
	}

	if (!GetModuleFileName(nullptr, path, lengthof(path))) {
		Debug(misc, 0, "GetModuleFileName failed ({})", GetLastError());
		_searchpaths[SP_BINARY_DIR].clear();
	} else {
		wchar_t exec_dir[MAX_PATH];
		wcsncpy(path, convert_to_fs(exe, path, lengthof(path)), lengthof(path));
		if (!GetFullPathName(path, lengthof(exec_dir), exec_dir, nullptr)) {
			Debug(misc, 0, "GetFullPathName failed ({})", GetLastError());
			_searchpaths[SP_BINARY_DIR].clear();
		} else {
			std::string tmp(FS2OTTD(exec_dir));
			auto pos = tmp.find_last_of(PATHSEPCHAR);
			if (pos != std::string::npos) tmp.erase(pos + 1);

			_searchpaths[SP_BINARY_DIR] = tmp;
		}
	}

	_searchpaths[SP_INSTALLATION_DIR].clear();
	_searchpaths[SP_APPLICATION_BUNDLE_DIR].clear();
}


bool GetClipboardContents(char *buffer, const char *last)
{
	HGLOBAL cbuf;
	const char *ptr;

	if (IsClipboardFormatAvailable(CF_UNICODETEXT)) {
		OpenClipboard(nullptr);
		cbuf = GetClipboardData(CF_UNICODETEXT);

		ptr = (const char*)GlobalLock(cbuf);
		int out_len = WideCharToMultiByte(CP_UTF8, 0, (LPCWSTR)ptr, -1, buffer, (last - buffer) + 1, nullptr, nullptr);
		GlobalUnlock(cbuf);
		CloseClipboard();

		if (out_len == 0) return false;
	} else {
		return false;
	}

	return true;
}


/**
 * Convert to OpenTTD's encoding from a wide string.
 * OpenTTD internal encoding is UTF8.
 * @param name valid string that will be converted (local, or wide)
 * @return converted string; if failed string is of zero-length
 * @see the current code-page comes from video\win32_v.cpp, event-notification
 * WM_INPUTLANGCHANGE
 */
std::string FS2OTTD(const std::wstring &name)
{
	int name_len = (name.length() >= INT_MAX) ? INT_MAX : (int)name.length();
	int len = WideCharToMultiByte(CP_UTF8, 0, name.c_str(), name_len, nullptr, 0, nullptr, nullptr);
	if (len <= 0) return std::string();
	std::string utf8_buf(len, '\0'); // len includes terminating null
	WideCharToMultiByte(CP_UTF8, 0, name.c_str(), name_len, utf8_buf.data(), len, nullptr, nullptr);
	return utf8_buf;
}

/**
 * Convert from OpenTTD's encoding to a wide string.
 * OpenTTD internal encoding is UTF8.
 * @param name valid string that will be converted (UTF8)
 * @param console_cp convert to the console encoding instead of the normal system encoding.
 * @return converted string; if failed string is of zero-length
 */
std::wstring OTTD2FS(const std::string &name)
{
	int name_len = (name.length() >= INT_MAX) ? INT_MAX : (int)name.length();
	int len = MultiByteToWideChar(CP_UTF8, 0, name.c_str(), name_len, nullptr, 0);
	if (len <= 0) return std::wstring();
	std::wstring system_buf(len, L'\0'); // len includes terminating null
	MultiByteToWideChar(CP_UTF8, 0, name.c_str(), name_len, system_buf.data(), len);
	return system_buf;
}


/**
 * Convert to OpenTTD's encoding from that of the environment in
 * UNICODE. OpenTTD encoding is UTF8, local is wide.
 * @param name pointer to a valid string that will be converted
 * @param utf8_buf pointer to a valid buffer that will receive the converted string
 * @param buflen length in characters of the receiving buffer
 * @return pointer to utf8_buf. If conversion fails the string is of zero-length
 */
char *convert_from_fs(const wchar_t *name, char *utf8_buf, size_t buflen)
{
	/* Convert UTF-16 string to UTF-8. */
	int len = WideCharToMultiByte(CP_UTF8, 0, name, -1, utf8_buf, (int)buflen, nullptr, nullptr);
	if (len == 0) utf8_buf[0] = '\0';

	return utf8_buf;
}


/**
 * Convert from OpenTTD's encoding to that of the environment in
 * UNICODE. OpenTTD encoding is UTF8, local is wide.
 * @param name pointer to a valid string that will be converted
 * @param system_buf pointer to a valid wide-char buffer that will receive the
 * converted string
 * @param buflen length in wide characters of the receiving buffer
 * @param console_cp convert to the console encoding instead of the normal system encoding.
 * @return pointer to system_buf. If conversion fails the string is of zero-length
 */
wchar_t *convert_to_fs(const std::string_view name, wchar_t *system_buf, size_t buflen)
{
	int len = MultiByteToWideChar(CP_UTF8, 0, name.data(), (int)name.size(), system_buf, (int)buflen);
	system_buf[len] = '\0';

	return system_buf;
}

/** Determine the current user's locale. */
const char *GetCurrentLocale(const char *)
{
	const LANGID userUiLang = GetUserDefaultUILanguage();
	const LCID userUiLocale = MAKELCID(userUiLang, SORT_DEFAULT);

	char lang[9], country[9];
	if (GetLocaleInfoA(userUiLocale, LOCALE_SISO639LANGNAME, lang, lengthof(lang)) == 0 ||
	    GetLocaleInfoA(userUiLocale, LOCALE_SISO3166CTRYNAME, country, lengthof(country)) == 0) {
		/* Unable to retrieve the locale. */
		return nullptr;
	}
	/* Format it as 'en_us'. */
	static char retbuf[6] = {lang[0], lang[1], '_', country[0], country[1], 0};
	return retbuf;
}


static WCHAR _cur_iso_locale[16] = L"";

void Win32SetCurrentLocaleName(const char *iso_code)
{
	/* Convert the iso code into the format that windows expects. */
	char iso[16];
	if (strcmp(iso_code, "zh_TW") == 0) {
		strecpy(iso, "zh-Hant", lastof(iso));
	} else if (strcmp(iso_code, "zh_CN") == 0) {
		strecpy(iso, "zh-Hans", lastof(iso));
	} else {
		/* Windows expects a '-' between language and country code, but we use a '_'. */
		strecpy(iso, iso_code, lastof(iso));
		for (char *c = iso; *c != '\0'; c++) {
			if (*c == '_') *c = '-';
		}
	}

	MultiByteToWideChar(CP_UTF8, 0, iso, -1, _cur_iso_locale, lengthof(_cur_iso_locale));
}

int OTTDStringCompare(const char *s1, const char *s2)
{
	typedef int (WINAPI *PFNCOMPARESTRINGEX)(LPCWSTR, DWORD, LPCWCH, int, LPCWCH, int, LPVOID, LPVOID, LPARAM);
	static PFNCOMPARESTRINGEX _CompareStringEx = nullptr;
	static bool first_time = true;

#ifndef SORT_DIGITSASNUMBERS
#	define SORT_DIGITSASNUMBERS 0x00000008  // use digits as numbers sort method
#endif
#ifndef LINGUISTIC_IGNORECASE
#	define LINGUISTIC_IGNORECASE 0x00000010 // linguistically appropriate 'ignore case'
#endif

	if (first_time) {
		static DllLoader _kernel32(L"Kernel32.dll");
		_CompareStringEx = _kernel32.GetProcAddress("CompareStringEx");
		first_time = false;
	}

	if (_CompareStringEx != nullptr) {
		/* CompareStringEx takes UTF-16 strings, even in ANSI-builds. */
		int len_s1 = MultiByteToWideChar(CP_UTF8, 0, s1, -1, nullptr, 0);
		int len_s2 = MultiByteToWideChar(CP_UTF8, 0, s2, -1, nullptr, 0);

		if (len_s1 != 0 && len_s2 != 0) {
			std::wstring str_s1(len_s1, L'\0'); // len includes terminating null
			std::wstring str_s2(len_s2, L'\0');

			MultiByteToWideChar(CP_UTF8, 0, s1, -1, str_s1.data(), len_s1);
			MultiByteToWideChar(CP_UTF8, 0, s2, -1, str_s2.data(), len_s2);

			int result = _CompareStringEx(_cur_iso_locale, LINGUISTIC_IGNORECASE | SORT_DIGITSASNUMBERS, str_s1.c_str(), -1, str_s2.c_str(), -1, nullptr, nullptr, 0);
			if (result != 0) return result;
		}
	}

	wchar_t s1_buf[512], s2_buf[512];
	convert_to_fs(s1, s1_buf, lengthof(s1_buf));
	convert_to_fs(s2, s2_buf, lengthof(s2_buf));

	return CompareString(MAKELCID(_current_language->winlangid, SORT_DEFAULT), NORM_IGNORECASE, s1_buf, -1, s2_buf, -1);
}

#ifdef _MSC_VER
/* Based on code from MSDN: https://msdn.microsoft.com/en-us/library/xcb2z8hs.aspx */
const DWORD MS_VC_EXCEPTION = 0x406D1388;

PACK_N(struct THREADNAME_INFO {
	DWORD dwType;     ///< Must be 0x1000.
	LPCSTR szName;    ///< Pointer to name (in user addr space).
	DWORD dwThreadID; ///< Thread ID (-1=caller thread).
	DWORD dwFlags;    ///< Reserved for future use, must be zero.
}, 8);

/**
 * Signal thread name to any attached debuggers.
 */
void SetCurrentThreadName(const char *threadName)
{
	THREADNAME_INFO info;
	info.dwType = 0x1000;
	info.szName = threadName;
	info.dwThreadID = -1;
	info.dwFlags = 0;

#pragma warning(push)
#pragma warning(disable: 6320 6322)
	__try {
		RaiseException(MS_VC_EXCEPTION, 0, sizeof(info) / sizeof(ULONG_PTR), (ULONG_PTR*)&info);
	} __except (EXCEPTION_EXECUTE_HANDLER) {
	}
#pragma warning(pop)
}
#else
void SetCurrentThreadName(const char *) {}
#endif