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Location: cpp/openttd-patchpack/source/src/os/windows/win32.cpp - annotation
r17992:c39d1a133bdf
21.5 KiB
text/x-c
(svn r22811) -Change: don't try to load static NewGRFs when loading the intro game for the first time
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/*
* 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 "../../fios.h"
#include <windows.h>
#include <fcntl.h>
#include <shlobj.h> /* SHGetFolderPath */
#include "win32.h"
#include "../../core/alloc_func.hpp"
#include "../../openttd.h"
#include "../../core/random_func.hpp"
#include "../../string_func.h"
#include "../../crashlog.h"
#include <errno.h>
#include <sys/stat.h>
static bool _has_console;
static bool cursor_visible = true;
bool MyShowCursor(bool show)
{
if (cursor_visible == show) return show;
cursor_visible = show;
ShowCursor(show);
return !show;
}
/**
* Helper function needed by dynamically loading libraries
* XXX: Hurray for MS only having an ANSI GetProcAddress function
* on normal windows and no Wide version except for in Windows Mobile/CE
*/
bool LoadLibraryList(Function proc[], const char *dll)
{
while (*dll != '\0') {
HMODULE lib;
lib = LoadLibrary(MB_TO_WIDE(dll));
if (lib == NULL) return false;
for (;;) {
FARPROC p;
while (*dll++ != '\0') { /* Nothing */ }
if (*dll == '\0') break;
#if defined(WINCE)
p = GetProcAddress(lib, MB_TO_WIDE(dll));
#else
p = GetProcAddress(lib, dll);
#endif
if (p == NULL) return false;
*proc++ = (Function)p;
}
dll++;
}
return true;
}
void ShowOSErrorBox(const char *buf, bool system)
{
MyShowCursor(true);
MessageBox(GetActiveWindow(), MB_TO_WIDE(buf), _T("Error!"), MB_ICONSTOP);
}
/* 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� */
/* 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 TCHAR *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 != NULL) {
TCHAR search_path[MAX_PATH];
bool slash = path[_tcslen(path) - 1] == '\\';
/* build search path for FindFirstFile, try not to append additional slashes
* as it throws Win9x off its groove for root directories */
_sntprintf(search_path, lengthof(search_path), _T("%s%s*"), path, slash ? _T("") : _T("\\"));
*lastof(search_path) = '\0';
d->hFind = FindFirstFile(search_path, &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 = NULL;
}
} else {
errno = ENOMEM;
}
} else {
/* path not found or not a directory */
d = NULL;
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 NULL;
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 NULL;
}
/* 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()
{
#if defined(WINCE)
/* WinCE only knows one drive: / */
FiosItem *fios = _fios_items.Append();
fios->type = FIOS_TYPE_DRIVE;
fios->mtime = 0;
snprintf(fios->name, lengthof(fios->name), PATHSEP "");
strecpy(fios->title, fios->name, lastof(fios->title));
#else
TCHAR drives[256];
const TCHAR *s;
GetLogicalDriveStrings(lengthof(drives), drives);
for (s = drives; *s != '\0';) {
FiosItem *fios = _fios_items.Append();
fios->type = FIOS_TYPE_DRIVE;
fios->mtime = 0;
snprintf(fios->name, lengthof(fios->name), "%c:", s[0] & 0xFF);
strecpy(fios->title, fios->name, lastof(fios->title));
while (*s++ != '\0') { /* Nothing */ }
}
#endif
}
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�
* 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 comparsion. */
sb->st_mtime = (time_t)((*(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
bool retval = false;
TCHAR root[4];
DWORD spc, bps, nfc, tnc;
_sntprintf(root, lengthof(root), _T("%c:") _T(PATHSEP), path[0]);
if (tot != NULL && GetDiskFreeSpace(root, &spc, &bps, &nfc, &tnc)) {
*tot = ((spc * bps) * (uint64)nfc);
retval = true;
}
SetErrorMode(sem); // reset previous setting
return retval;
}
static int ParseCommandLine(char *line, char **argv, int max_argc)
{
int n = 0;
do {
/* skip whitespace */
while (*line == ' ' || *line == '\t') line++;
/* end? */
if (*line == '\0') break;
/* special handling when quoted */
if (*line == '"') {
argv[n++] = ++line;
while (*line != '"') {
if (*line == '\0') return n;
line++;
}
} else {
argv[n++] = line;
while (*line != ' ' && *line != '\t') {
if (*line == '\0') return n;
line++;
}
}
*line++ = '\0';
} while (n != max_argc);
return n;
}
void CreateConsole()
{
#if defined(WINCE)
/* WinCE doesn't support console stuff */
#else
HANDLE hand;
CONSOLE_SCREEN_BUFFER_INFO coninfo;
if (_has_console) return;
_has_console = true;
AllocConsole();
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;
}
*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" );
#else
/* open_osfhandle is not in cygwin */
*stdout = *fdopen(1, "w" );
*stdin = *fdopen(0, "r" );
*stderr = *fdopen(2, "w" );
#endif
setvbuf(stdin, NULL, _IONBF, 0);
setvbuf(stdout, NULL, _IONBF, 0);
setvbuf(stderr, NULL, _IONBF, 0);
#endif
}
/** 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';
#if defined(UNICODE)
/* We need to put the text in a seperate buffer because the default
* buffer in MB_TO_WIDE might not be large enough (512 chars) */
wchar_t help_msgW[8192];
#endif
SetDlgItemText(wnd, 11, MB_TO_WIDE_BUFFER(help_msg, help_msgW, lengthof(help_msgW)));
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 ShowInfo(const char *str)
{
if (_has_console) {
fprintf(stderr, "%s\n", str);
} else {
bool old;
ReleaseCapture();
_left_button_clicked = _left_button_down = false;
old = MyShowCursor(true);
if (strlen(str) > 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;
DialogBox(GetModuleHandle(NULL), MAKEINTRESOURCE(101), NULL, HelpDialogFunc);
} else {
#if defined(UNICODE)
/* We need to put the text in a seperate buffer because the default
* buffer in MB_TO_WIDE might not be large enough (512 chars) */
wchar_t help_msgW[8192];
#endif
MessageBox(GetActiveWindow(), MB_TO_WIDE_BUFFER(str, help_msgW, lengthof(help_msgW)), _T("OpenTTD"), MB_ICONINFORMATION | MB_OK);
}
MyShowCursor(old);
}
}
#if defined(WINCE)
int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow)
#else
int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
#endif
{
int argc;
char *argv[64]; // max 64 command line arguments
char *cmdline;
#if !defined(UNICODE)
_codepage = GetACP(); // get system codepage as some kind of a default
#endif /* UNICODE */
CrashLog::InitialiseCrashLog();
#if defined(UNICODE)
#if !defined(WINCE)
/* Check if a win9x user started the win32 version */
if (HasBit(GetVersion(), 31)) usererror("This version of OpenTTD doesn't run on windows 95/98/ME.\nPlease download the win9x binary and try again.");
#endif
/* For UNICODE we need to convert the commandline to char* _AND_
* save it because argv[] points into this buffer and thus needs to
* be available between subsequent calls to FS2OTTD() */
char cmdlinebuf[MAX_PATH];
#endif /* UNICODE */
cmdline = WIDE_TO_MB_BUFFER(GetCommandLine(), cmdlinebuf, lengthof(cmdlinebuf));
#if defined(_DEBUG)
CreateConsole();
#endif
#if !defined(WINCE)
_set_error_mode(_OUT_TO_MSGBOX); // force assertion output to messagebox
#endif
/* setup random seed to something quite random */
SetRandomSeed(GetTickCount());
argc = ParseCommandLine(cmdline, argv, lengthof(argv));
ttd_main(argc, argv);
return 0;
}
#if defined(WINCE)
void GetCurrentDirectoryW(int length, wchar_t *path)
{
/* Get the name of this module */
GetModuleFileName(NULL, path, length);
/* Remove the executable name, this we call CurrentDir */
wchar_t *pDest = wcsrchr(path, '\\');
if (pDest != NULL) {
int result = pDest - path + 1;
path[result] = '\0';
}
}
#endif
char *getcwd(char *buf, size_t size)
{
#if defined(WINCE)
TCHAR path[MAX_PATH];
GetModuleFileName(NULL, path, MAX_PATH);
convert_from_fs(path, buf, size);
/* GetModuleFileName returns dir with file, so remove everything behind latest '\\' */
char *p = strrchr(buf, '\\');
if (p != NULL) *p = '\0';
#elif defined(UNICODE)
TCHAR path[MAX_PATH];
GetCurrentDirectory(MAX_PATH - 1, path);
convert_from_fs(path, buf, size);
#else
GetCurrentDirectory(size, buf);
#endif
return buf;
}
void DetermineBasePaths(const char *exe)
{
char tmp[MAX_PATH];
TCHAR path[MAX_PATH];
#ifdef WITH_PERSONAL_DIR
SHGetFolderPath(NULL, CSIDL_PERSONAL, NULL, SHGFP_TYPE_CURRENT, path);
strecpy(tmp, WIDE_TO_MB_BUFFER(path, tmp, lengthof(tmp)), lastof(tmp));
AppendPathSeparator(tmp, MAX_PATH);
ttd_strlcat(tmp, PERSONAL_DIR, MAX_PATH);
AppendPathSeparator(tmp, MAX_PATH);
_searchpaths[SP_PERSONAL_DIR] = strdup(tmp);
SHGetFolderPath(NULL, CSIDL_COMMON_DOCUMENTS, NULL, SHGFP_TYPE_CURRENT, path);
strecpy(tmp, WIDE_TO_MB_BUFFER(path, tmp, lengthof(tmp)), lastof(tmp));
AppendPathSeparator(tmp, MAX_PATH);
ttd_strlcat(tmp, PERSONAL_DIR, MAX_PATH);
AppendPathSeparator(tmp, MAX_PATH);
_searchpaths[SP_SHARED_DIR] = strdup(tmp);
#else
_searchpaths[SP_PERSONAL_DIR] = NULL;
_searchpaths[SP_SHARED_DIR] = NULL;
#endif
/* Get the path to working directory of OpenTTD */
getcwd(tmp, lengthof(tmp));
AppendPathSeparator(tmp, MAX_PATH);
_searchpaths[SP_WORKING_DIR] = strdup(tmp);
if (!GetModuleFileName(NULL, path, lengthof(path))) {
DEBUG(misc, 0, "GetModuleFileName failed (%lu)\n", GetLastError());
_searchpaths[SP_BINARY_DIR] = NULL;
} else {
TCHAR exec_dir[MAX_PATH];
_tcsncpy(path, MB_TO_WIDE_BUFFER(exe, path, lengthof(path)), lengthof(path));
if (!GetFullPathName(path, lengthof(exec_dir), exec_dir, NULL)) {
DEBUG(misc, 0, "GetFullPathName failed (%lu)\n", GetLastError());
_searchpaths[SP_BINARY_DIR] = NULL;
} else {
strecpy(tmp, WIDE_TO_MB_BUFFER(exec_dir, tmp, lengthof(tmp)), lastof(tmp));
char *s = strrchr(tmp, PATHSEPCHAR);
*(s + 1) = '\0';
_searchpaths[SP_BINARY_DIR] = strdup(tmp);
}
}
_searchpaths[SP_INSTALLATION_DIR] = NULL;
_searchpaths[SP_APPLICATION_BUNDLE_DIR] = NULL;
}
bool GetClipboardContents(char *buffer, size_t buff_len)
{
HGLOBAL cbuf;
const char *ptr;
if (IsClipboardFormatAvailable(CF_UNICODETEXT)) {
OpenClipboard(NULL);
cbuf = GetClipboardData(CF_UNICODETEXT);
ptr = (const char*)GlobalLock(cbuf);
const char *ret = convert_from_fs((wchar_t*)ptr, buffer, buff_len);
GlobalUnlock(cbuf);
CloseClipboard();
if (*ret == '\0') return false;
#if !defined(UNICODE)
} else if (IsClipboardFormatAvailable(CF_TEXT)) {
OpenClipboard(NULL);
cbuf = GetClipboardData(CF_TEXT);
ptr = (const char*)GlobalLock(cbuf);
ttd_strlcpy(buffer, FS2OTTD(ptr), buff_len);
GlobalUnlock(cbuf);
CloseClipboard();
#endif /* UNICODE */
} else {
return false;
}
return true;
}
void CSleep(int milliseconds)
{
Sleep(milliseconds);
}
/**
* Convert to OpenTTD's encoding from that of the local environment.
* When the project is built in UNICODE, the system codepage is irrelevant and
* the input string is wide. In ANSI mode, the string is in the
* local codepage which we'll convert to wide-char, and then to UTF-8.
* OpenTTD internal encoding is UTF8.
* The returned value's contents can only be guaranteed until the next call to
* this function. So if the value is needed for anything else, use convert_from_fs
* @param name pointer to a valid string that will be converted (local, or wide)
* @return pointer to the converted string; if failed string is of zero-length
* @see the current code-page comes from video\win32_v.cpp, event-notification
* WM_INPUTLANGCHANGE
*/
const char *FS2OTTD(const TCHAR *name)
{
static char utf8_buf[512];
#if defined(UNICODE)
return convert_from_fs(name, utf8_buf, lengthof(utf8_buf));
#else
char *s = utf8_buf;
for (; *name != '\0'; name++) {
wchar_t w;
int len = MultiByteToWideChar(_codepage, 0, name, 1, &w, 1);
if (len != 1) {
DEBUG(misc, 0, "[utf8] M2W error converting '%c'. Errno %lu", *name, GetLastError());
continue;
}
if (s + Utf8CharLen(w) >= lastof(utf8_buf)) break;
s += Utf8Encode(s, w);
}
*s = '\0';
return utf8_buf;
#endif /* UNICODE */
}
/**
* Convert from OpenTTD's encoding to that of the local environment.
* When the project is built in UNICODE the system codepage is irrelevant and
* the converted string is wide. In ANSI mode, the UTF8 string is converted
* to multi-byte.
* OpenTTD internal encoding is UTF8.
* The returned value's contents can only be guaranteed until the next call to
* this function. So if the value is needed for anything else, use convert_from_fs
* @param name pointer to a valid string that will be converted (UTF8)
* @return pointer to the converted string; if failed string is of zero-length
* @see the current code-page comes from video\win32_v.cpp, event-notification
* WM_INPUTLANGCHANGE
*/
const TCHAR *OTTD2FS(const char *name)
{
static TCHAR system_buf[512];
#if defined(UNICODE)
return convert_to_fs(name, system_buf, lengthof(system_buf));
#else
char *s = system_buf;
for (WChar c; (c = Utf8Consume(&name)) != '\0';) {
if (s >= lastof(system_buf)) break;
char mb;
int len = WideCharToMultiByte(_codepage, 0, (wchar_t*)&c, 1, &mb, 1, NULL, NULL);
if (len != 1) {
DEBUG(misc, 0, "[utf8] W2M error converting '0x%X'. Errno %lu", c, GetLastError());
continue;
}
*s++ = mb;
}
*s = '\0';
return system_buf;
#endif /* UNICODE */
}
/**
* 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)
{
int len = WideCharToMultiByte(CP_UTF8, 0, name, -1, utf8_buf, (int)buflen, NULL, NULL);
if (len == 0) {
DEBUG(misc, 0, "[utf8] W2M error converting wide-string. Errno %lu", GetLastError());
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 utf16_buf pointer to a valid wide-char buffer that will receive the
* converted string
* @param buflen length in wide characters of the receiving buffer
* @return pointer to utf16_buf. If conversion fails the string is of zero-length
*/
wchar_t *convert_to_fs(const char *name, wchar_t *utf16_buf, size_t buflen)
{
int len = MultiByteToWideChar(CP_UTF8, 0, name, -1, utf16_buf, (int)buflen);
if (len == 0) {
DEBUG(misc, 0, "[utf8] M2W error converting '%s'. Errno %lu", name, GetLastError());
utf16_buf[0] = '\0';
}
return utf16_buf;
}
/**
* Our very own SHGetFolderPath function for support of windows operating
* systems that don't have this function (eg Win9x, etc.). We try using the
* native function, and if that doesn't exist we will try a more crude approach
* of environment variables and hope for the best
*/
HRESULT OTTDSHGetFolderPath(HWND hwnd, int csidl, HANDLE hToken, DWORD dwFlags, LPTSTR pszPath)
{
static HRESULT (WINAPI *SHGetFolderPath)(HWND, int, HANDLE, DWORD, LPTSTR) = NULL;
static bool first_time = true;
/* We only try to load the library one time; if it fails, it fails */
if (first_time) {
#if defined(UNICODE)
# define W(x) x "W"
#else
# define W(x) x "A"
#endif
if (!LoadLibraryList((Function*)&SHGetFolderPath, "SHFolder.dll\0" W("SHGetFolderPath") "\0\0")) {
DEBUG(misc, 0, "Unable to load " W("SHGetFolderPath") "from SHFolder.dll");
}
#undef W
first_time = false;
}
if (SHGetFolderPath != NULL) return SHGetFolderPath(hwnd, csidl, hToken, dwFlags, pszPath);
/* SHGetFolderPath doesn't exist, try a more conservative approach,
* eg environment variables. This is only included for legacy modes
* MSDN says: that 'pszPath' is a "Pointer to a null-terminated string of
* length MAX_PATH which will receive the path" so let's assume that
* Windows 95 with Internet Explorer 5.0, Windows 98 with Internet Explorer 5.0,
* Windows 98 Second Edition (SE), Windows NT 4.0 with Internet Explorer 5.0,
* Windows NT 4.0 with Service Pack 4 (SP4) */
{
DWORD ret;
switch (csidl) {
case CSIDL_FONTS: // Get the system font path, eg %WINDIR%\Fonts
ret = GetEnvironmentVariable(_T("WINDIR"), pszPath, MAX_PATH);
if (ret == 0) break;
_tcsncat(pszPath, _T("\\Fonts"), MAX_PATH);
return (HRESULT)0;
/* XXX - other types to go here when needed... */
}
}
return E_INVALIDARG;
}
/** Determine the current user's locale. */
const char *GetCurrentLocale(const char *)
{
char lang[9], country[9];
if (GetLocaleInfoA(LOCALE_USER_DEFAULT, LOCALE_SISO639LANGNAME, lang, lengthof(lang)) == 0 ||
GetLocaleInfoA(LOCALE_USER_DEFAULT, LOCALE_SISO3166CTRYNAME, country, lengthof(country)) == 0) {
/* Unable to retrieve the locale. */
return NULL;
}
/* Format it as 'en_us'. */
static char retbuf[6] = {lang[0], lang[1], '_', country[0], country[1], 0};
return retbuf;
}
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