1 /*
   2  * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #include <windows.h>
  27 #include <shlobj.h>
  28 #include <objidl.h>
  29 #include <locale.h>
  30 #include <sys/types.h>
  31 #include <sys/timeb.h>
  32 #include <tchar.h>
  33 
  34 #include "locale_str.h"
  35 #include "java_props.h"
  36 
  37 #ifndef VER_PLATFORM_WIN32_WINDOWS
  38 #define VER_PLATFORM_WIN32_WINDOWS 1
  39 #endif
  40 
  41 #ifndef PROCESSOR_ARCHITECTURE_AMD64
  42 #define PROCESSOR_ARCHITECTURE_AMD64 9
  43 #endif
  44 
  45 typedef void (WINAPI *PGNSI)(LPSYSTEM_INFO);
  46 static void SetupI18nProps(LCID lcid, char** language, char** script, char** country,
  47                char** variant, char** encoding);
  48 
  49 #define SHELL_KEY "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders"
  50 
  51 #define PROPSIZE 9      // eight-letter + null terminator
  52 #define SNAMESIZE 86    // max number of chars for LOCALE_SNAME is 85
  53 
  54 static char *
  55 getEncodingInternal(LCID lcid)
  56 {
  57     char * ret = malloc(16);
  58     int codepage;
  59 
  60     if (GetLocaleInfo(lcid,
  61                       LOCALE_IDEFAULTANSICODEPAGE,
  62                       ret+2, 14) == 0) {
  63         codepage = 1252;
  64     } else {
  65         codepage = atoi(ret+2);
  66     }
  67 
  68     switch (codepage) {
  69     case 0:
  70         strcpy(ret, "UTF-8");
  71         break;
  72     case 874:     /*  9:Thai     */
  73     case 932:     /* 10:Japanese */
  74     case 949:     /* 12:Korean Extended Wansung */
  75     case 950:     /* 13:Chinese (Taiwan, Hongkong, Macau) */
  76     case 1361:    /* 15:Korean Johab */
  77         ret[0] = 'M';
  78         ret[1] = 'S';
  79         break;
  80     case 936:
  81         strcpy(ret, "GBK");
  82         break;
  83     case 54936:
  84         strcpy(ret, "GB18030");
  85         break;
  86     default:
  87         ret[0] = 'C';
  88         ret[1] = 'p';
  89         break;
  90     }
  91 
  92     //Traditional Chinese Windows should use MS950_HKSCS_XP as the
  93     //default encoding, if HKSCS patch has been installed.
  94     // "old" MS950 0xfa41 -> u+e001
  95     // "new" MS950 0xfa41 -> u+92db
  96     if (strcmp(ret, "MS950") == 0) {
  97         TCHAR  mbChar[2] = {(char)0xfa, (char)0x41};
  98         WCHAR  unicodeChar;
  99         MultiByteToWideChar(CP_ACP, 0, mbChar, 2, &unicodeChar, 1);
 100         if (unicodeChar == 0x92db) {
 101             strcpy(ret, "MS950_HKSCS_XP");
 102         }
 103     } else {
 104         //SimpChinese Windows should use GB18030 as the default
 105         //encoding, if gb18030 patch has been installed (on windows
 106         //2000/XP, (1)Codepage 54936 will be available
 107         //(2)simsun18030.ttc will exist under system fonts dir )
 108         if (strcmp(ret, "GBK") == 0 && IsValidCodePage(54936)) {
 109             char systemPath[MAX_PATH + 1];
 110             char* gb18030Font = "\\FONTS\\SimSun18030.ttc";
 111             FILE *f = NULL;
 112             if (GetWindowsDirectory(systemPath, MAX_PATH + 1) != 0 &&
 113                 strlen(systemPath) + strlen(gb18030Font) < MAX_PATH + 1) {
 114                 strcat(systemPath, "\\FONTS\\SimSun18030.ttc");
 115                 if ((f = fopen(systemPath, "r")) != NULL) {
 116                     fclose(f);
 117                     strcpy(ret, "GB18030");
 118                 }
 119             }
 120         }
 121     }
 122 
 123     return ret;
 124 }
 125 
 126 // Exported entries for AWT
 127 DllExport const char *
 128 getEncodingFromLangID(LANGID langID)
 129 {
 130     return getEncodingInternal(MAKELCID(langID, SORT_DEFAULT));
 131 }
 132 
 133 // Returns BCP47 Language Tag
 134 DllExport const char *
 135 getJavaIDFromLangID(LANGID langID)
 136 {
 137     char * elems[5]; // lang, script, ctry, variant, encoding
 138     char * ret = malloc(SNAMESIZE);
 139     int index;
 140 
 141     SetupI18nProps(MAKELCID(langID, SORT_DEFAULT),
 142                    &(elems[0]), &(elems[1]), &(elems[2]), &(elems[3]), &(elems[4]));
 143 
 144     // there always is the "language" tag
 145     strcpy(ret, elems[0]);
 146 
 147     // append other elements, if any
 148     for (index = 1; index < 4; index++) {
 149         if ((elems[index])[0] != '\0') {
 150             strcat(ret, "-");
 151             strcat(ret, elems[index]);
 152         }
 153     }
 154 
 155     for (index = 0; index < 5; index++) {
 156         free(elems[index]);
 157     }
 158 
 159     return ret;
 160 }
 161 
 162 /*
 163  * Code to figure out the user's home directory using the registry
 164 */
 165 static WCHAR*
 166 getHomeFromRegistry()
 167 {
 168     HKEY key;
 169     int rc;
 170     DWORD type;
 171     WCHAR *p;
 172     WCHAR path[MAX_PATH+1];
 173     int size = MAX_PATH+1;
 174 
 175     rc = RegOpenKeyEx(HKEY_CURRENT_USER, SHELL_KEY, 0, KEY_READ, &key);
 176     if (rc != ERROR_SUCCESS) {
 177         // Shell folder doesn't exist??!!
 178         return NULL;
 179     }
 180 
 181     path[0] = 0;
 182     rc = RegQueryValueExW(key, L"Desktop", 0, &type, (LPBYTE)path, &size);
 183     if (rc != ERROR_SUCCESS || type != REG_SZ) {
 184         return NULL;
 185     }
 186     RegCloseKey(key);
 187     /* Get the parent of Desktop directory */
 188     p = wcsrchr(path, L'\\');
 189     if (p == NULL) {
 190         return NULL;
 191     }
 192     *p = L'\0';
 193     return _wcsdup(path);
 194 }
 195 
 196 /*
 197  * Code to figure out the user's home directory using shell32.dll
 198  */
 199 WCHAR*
 200 getHomeFromShell32()
 201 {
 202     HRESULT rc;
 203     LPITEMIDLIST item_list = 0;
 204     WCHAR *p;
 205     WCHAR path[MAX_PATH+1];
 206     int size = MAX_PATH+1;
 207 
 208     rc = SHGetSpecialFolderLocation(NULL, CSIDL_DESKTOPDIRECTORY, &item_list);
 209     if (!SUCCEEDED(rc)) {
 210         // we can't find the shell folder.
 211         return NULL;
 212     }
 213 
 214     path[0] = 0;
 215     SHGetPathFromIDListW(item_list, (LPWSTR)path);
 216 
 217     /* Get the parent of Desktop directory */
 218     p = wcsrchr(path, L'\\');
 219     if (p) {
 220         *p = 0;
 221     }
 222 
 223     /*
 224      * We've been successful.  Note that we don't free the memory allocated
 225      * by ShGetSpecialFolderLocation.  We only ever come through here once,
 226      * and only if the registry lookup failed, so it's just not worth it.
 227      *
 228      * We also don't unload the SHELL32 DLL.  We've paid the hit for loading
 229      * it and we may need it again later.
 230      */
 231     return _wcsdup(path);
 232 }
 233 
 234 static boolean
 235 haveMMX(void)
 236 {
 237     return IsProcessorFeaturePresent(PF_MMX_INSTRUCTIONS_AVAILABLE);
 238 }
 239 
 240 static const char *
 241 cpu_isalist(void)
 242 {
 243     SYSTEM_INFO info;
 244     GetSystemInfo(&info);
 245     switch (info.wProcessorArchitecture) {
 246 #ifdef PROCESSOR_ARCHITECTURE_IA64
 247     case PROCESSOR_ARCHITECTURE_IA64: return "ia64";
 248 #endif
 249 #ifdef PROCESSOR_ARCHITECTURE_AMD64
 250     case PROCESSOR_ARCHITECTURE_AMD64: return "amd64";
 251 #endif
 252     case PROCESSOR_ARCHITECTURE_INTEL:
 253         switch (info.wProcessorLevel) {
 254         case 6: return haveMMX()
 255             ? "pentium_pro+mmx pentium_pro pentium+mmx pentium i486 i386 i86"
 256             : "pentium_pro pentium i486 i386 i86";
 257         case 5: return haveMMX()
 258             ? "pentium+mmx pentium i486 i386 i86"
 259             : "pentium i486 i386 i86";
 260         case 4: return "i486 i386 i86";
 261         case 3: return "i386 i86";
 262         }
 263     }
 264     return NULL;
 265 }
 266 
 267 static void
 268 SetupI18nProps(LCID lcid, char** language, char** script, char** country,
 269                char** variant, char** encoding) {
 270     /* script */
 271     char tmp[SNAMESIZE];
 272     *script = malloc(PROPSIZE);
 273     if (GetLocaleInfo(lcid,
 274                       LOCALE_SNAME, tmp, SNAMESIZE) == 0 ||
 275         sscanf(tmp, "%*[a-z\\-]%1[A-Z]%[a-z]", *script, &((*script)[1])) == 0 ||
 276         strlen(*script) != 4) {
 277         (*script)[0] = '\0';
 278     }
 279 
 280     /* country */
 281     *country = malloc(PROPSIZE);
 282     if (GetLocaleInfo(lcid,
 283                       LOCALE_SISO3166CTRYNAME, *country, PROPSIZE) == 0 &&
 284         GetLocaleInfo(lcid,
 285                       LOCALE_SISO3166CTRYNAME2, *country, PROPSIZE) == 0) {
 286         (*country)[0] = '\0';
 287     }
 288 
 289     /* language */
 290     *language = malloc(PROPSIZE);
 291     if (GetLocaleInfo(lcid,
 292                       LOCALE_SISO639LANGNAME, *language, PROPSIZE) == 0 &&
 293         GetLocaleInfo(lcid,
 294                       LOCALE_SISO639LANGNAME2, *language, PROPSIZE) == 0) {
 295             /* defaults to en_US */
 296             strcpy(*language, "en");
 297             strcpy(*country, "US");
 298         }
 299 
 300     /* variant */
 301     *variant = malloc(PROPSIZE);
 302     (*variant)[0] = '\0';
 303 
 304     /* handling for Norwegian */
 305     if (strcmp(*language, "nb") == 0) {
 306         strcpy(*language, "no");
 307         strcpy(*country , "NO");
 308     } else if (strcmp(*language, "nn") == 0) {
 309         strcpy(*language, "no");
 310         strcpy(*country , "NO");
 311         strcpy(*variant, "NY");
 312     }
 313 
 314     /* encoding */
 315     *encoding = getEncodingInternal(lcid);
 316 }
 317 
 318 java_props_t *
 319 GetJavaProperties(JNIEnv* env)
 320 {
 321     static java_props_t sprops = {0};
 322 
 323     OSVERSIONINFOEX ver;
 324 
 325     if (sprops.user_dir) {
 326         return &sprops;
 327     }
 328 
 329     /* AWT properties */
 330     sprops.awt_toolkit = "sun.awt.windows.WToolkit";
 331 
 332     /* tmp dir */
 333     {
 334         WCHAR tmpdir[MAX_PATH + 1];
 335         /* we might want to check that this succeed */
 336         GetTempPathW(MAX_PATH + 1, tmpdir);
 337         sprops.tmp_dir = _wcsdup(tmpdir);
 338     }
 339 
 340     /* Printing properties */
 341     sprops.printerJob = "sun.awt.windows.WPrinterJob";
 342 
 343     /* Java2D properties */
 344     sprops.graphics_env = "sun.awt.Win32GraphicsEnvironment";
 345 
 346     {    /* This is used only for debugging of font problems. */
 347         WCHAR *path = _wgetenv(L"JAVA2D_FONTPATH");
 348         sprops.font_dir = (path != NULL) ? _wcsdup(path) : NULL;
 349     }
 350 
 351     /* OS properties */
 352     {
 353         char buf[100];
 354         SYSTEM_INFO si;
 355         PGNSI pGNSI;
 356 
 357         ver.dwOSVersionInfoSize = sizeof(ver);
 358         GetVersionEx((OSVERSIONINFO *) &ver);
 359 
 360         ZeroMemory(&si, sizeof(SYSTEM_INFO));
 361         // Call GetNativeSystemInfo if supported or GetSystemInfo otherwise.
 362         pGNSI = (PGNSI) GetProcAddress(
 363                 GetModuleHandle(TEXT("kernel32.dll")),
 364                 "GetNativeSystemInfo");
 365         if(NULL != pGNSI)
 366             pGNSI(&si);
 367         else
 368             GetSystemInfo(&si);
 369 
 370         /*
 371          * From msdn page on OSVERSIONINFOEX, current as of this
 372          * writing, decoding of dwMajorVersion and dwMinorVersion.
 373          *
 374          *  Operating system            dwMajorVersion  dwMinorVersion
 375          * ==================           ==============  ==============
 376          *
 377          * Windows 95                   4               0
 378          * Windows 98                   4               10
 379          * Windows ME                   4               90
 380          * Windows 3.51                 3               51
 381          * Windows NT 4.0               4               0
 382          * Windows 2000                 5               0
 383          * Windows XP 32 bit            5               1
 384          * Windows Server 2003 family   5               2
 385          * Windows XP 64 bit            5               2
 386          *       where ((&ver.wServicePackMinor) + 2) = 1
 387          *       and  si.wProcessorArchitecture = 9
 388          * Windows Vista family         6               0  (VER_NT_WORKSTATION)
 389          * Windows Server 2008          6               0  (!VER_NT_WORKSTATION)
 390          * Windows 7                    6               1  (VER_NT_WORKSTATION)
 391          * Windows Server 2008 R2       6               1  (!VER_NT_WORKSTATION)
 392          * Windows 8                    6               2  (VER_NT_WORKSTATION)
 393          *
 394          * This mapping will presumably be augmented as new Windows
 395          * versions are released.
 396          */
 397         switch (ver.dwPlatformId) {
 398         case VER_PLATFORM_WIN32s:
 399             sprops.os_name = "Windows 3.1";
 400             break;
 401         case VER_PLATFORM_WIN32_WINDOWS:
 402            if (ver.dwMajorVersion == 4) {
 403                 switch (ver.dwMinorVersion) {
 404                 case  0: sprops.os_name = "Windows 95";           break;
 405                 case 10: sprops.os_name = "Windows 98";           break;
 406                 case 90: sprops.os_name = "Windows Me";           break;
 407                 default: sprops.os_name = "Windows 9X (unknown)"; break;
 408                 }
 409             } else {
 410                 sprops.os_name = "Windows 9X (unknown)";
 411             }
 412             break;
 413         case VER_PLATFORM_WIN32_NT:
 414             if (ver.dwMajorVersion <= 4) {
 415                 sprops.os_name = "Windows NT";
 416             } else if (ver.dwMajorVersion == 5) {
 417                 switch (ver.dwMinorVersion) {
 418                 case  0: sprops.os_name = "Windows 2000";         break;
 419                 case  1: sprops.os_name = "Windows XP";           break;
 420                 case  2:
 421                    /*
 422                     * From MSDN OSVERSIONINFOEX and SYSTEM_INFO documentation:
 423                     *
 424                     * "Because the version numbers for Windows Server 2003
 425                     * and Windows XP 6u4 bit are identical, you must also test
 426                     * whether the wProductType member is VER_NT_WORKSTATION.
 427                     * and si.wProcessorArchitecture is
 428                     * PROCESSOR_ARCHITECTURE_AMD64 (which is 9)
 429                     * If it is, the operating system is Windows XP 64 bit;
 430                     * otherwise, it is Windows Server 2003."
 431                     */
 432                     if(ver.wProductType == VER_NT_WORKSTATION &&
 433                        si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64) {
 434                         sprops.os_name = "Windows XP"; /* 64 bit */
 435                     } else {
 436                         sprops.os_name = "Windows 2003";
 437                     }
 438                     break;
 439                 default: sprops.os_name = "Windows NT (unknown)"; break;
 440                 }
 441             } else if (ver.dwMajorVersion == 6) {
 442                 /*
 443                  * See table in MSDN OSVERSIONINFOEX documentation.
 444                  */
 445                 if (ver.wProductType == VER_NT_WORKSTATION) {
 446                     switch (ver.dwMinorVersion) {
 447                     case  0: sprops.os_name = "Windows Vista";        break;
 448                     case  1: sprops.os_name = "Windows 7";            break;
 449                     case  2: sprops.os_name = "Windows 8";            break;
 450                     default: sprops.os_name = "Windows NT (unknown)";
 451                     }
 452                 } else {
 453                     switch (ver.dwMinorVersion) {
 454                     case  0: sprops.os_name = "Windows Server 2008";    break;
 455                     case  1: sprops.os_name = "Windows Server 2008 R2"; break;
 456                     default: sprops.os_name = "Windows NT (unknown)";
 457                     }
 458                 }
 459             } else {
 460                 sprops.os_name = "Windows NT (unknown)";
 461             }
 462             break;
 463         default:
 464             sprops.os_name = "Windows (unknown)";
 465             break;
 466         }
 467         sprintf(buf, "%d.%d", ver.dwMajorVersion, ver.dwMinorVersion);
 468         sprops.os_version = _strdup(buf);
 469 #if _M_IA64
 470         sprops.os_arch = "ia64";
 471 #elif _M_AMD64
 472         sprops.os_arch = "amd64";
 473 #elif _X86_
 474         sprops.os_arch = "x86";
 475 #else
 476         sprops.os_arch = "unknown";
 477 #endif
 478 
 479         sprops.patch_level = _strdup(ver.szCSDVersion);
 480 
 481         sprops.desktop = "windows";
 482     }
 483 
 484     /* Endianness of platform */
 485     {
 486         unsigned int endianTest = 0xff000000;
 487         if (((char*)(&endianTest))[0] != 0) {
 488             sprops.cpu_endian = "big";
 489         } else {
 490             sprops.cpu_endian = "little";
 491         }
 492     }
 493 
 494     /* CPU ISA list */
 495     sprops.cpu_isalist = cpu_isalist();
 496 
 497     /*
 498      * User name
 499      * We try to avoid calling GetUserName as it turns out to
 500      * be surprisingly expensive on NT.  It pulls in an extra
 501      * 100 K of footprint.
 502      */
 503     {
 504         WCHAR *uname = _wgetenv(L"USERNAME");
 505         if (uname != NULL && wcslen(uname) > 0) {
 506             sprops.user_name = _wcsdup(uname);
 507         } else {
 508             DWORD buflen = 0;
 509             if (GetUserNameW(NULL, &buflen) == 0 &&
 510                 GetLastError() == ERROR_INSUFFICIENT_BUFFER)
 511             {
 512                 uname = (WCHAR*)malloc(buflen * sizeof(WCHAR));
 513                 if (uname != NULL && GetUserNameW(uname, &buflen) == 0) {
 514                     free(uname);
 515                     uname = NULL;
 516                 }
 517             } else {
 518                 uname = NULL;
 519             }
 520             sprops.user_name = (uname != NULL) ? uname : L"unknown";
 521         }
 522     }
 523 
 524     /*
 525      * Home directory/
 526      *
 527      * We first look under a standard registry key.  If that fails we
 528      * fall back on using a SHELL32.DLL API.  If that fails we use a
 529      * default value.
 530      *
 531      * Note: To save space we want to avoid loading SHELL32.DLL
 532      * unless really necessary.  However if we do load it, we leave it
 533      * in memory, as it may be needed again later.
 534      *
 535      * The normal result is that for a given user name XXX:
 536      *     On multi-user NT, user.home gets set to c:\winnt\profiles\XXX.
 537      *     On multi-user Win95, user.home gets set to c:\windows\profiles\XXX.
 538      *     On single-user Win95, user.home gets set to c:\windows.
 539      */
 540     {
 541         WCHAR *homep = getHomeFromRegistry();
 542         if (homep == NULL) {
 543             homep = getHomeFromShell32();
 544             if (homep == NULL)
 545                 homep = L"C:\\";
 546         }
 547         sprops.user_home = _wcsdup(homep);
 548     }
 549 
 550     /*
 551      *  user.language
 552      *  user.script, user.country, user.variant (if user's environment specifies them)
 553      *  file.encoding
 554      *  file.encoding.pkg
 555      */
 556     {
 557         /*
 558          * query the system for the current system default locale
 559          * (which is a Windows LCID value),
 560          */
 561         LCID userDefaultLCID = GetUserDefaultLCID();
 562         LCID systemDefaultLCID = GetSystemDefaultLCID();
 563         LCID userDefaultUILang = GetUserDefaultUILanguage();
 564 
 565         {
 566             char * display_encoding;
 567 
 568             // Windows UI Language selection list only cares "language"
 569             // information of the UI Language. For example, the list
 570             // just lists "English" but it actually means "en_US", and
 571             // the user cannot select "en_GB" (if exists) in the list.
 572             // So, this hack is to use the user LCID region information
 573             // for the UI Language, if the "language" portion of those
 574             // two locales are the same.
 575             if (PRIMARYLANGID(LANGIDFROMLCID(userDefaultLCID)) ==
 576                 PRIMARYLANGID(LANGIDFROMLCID(userDefaultUILang))) {
 577                 userDefaultUILang = userDefaultLCID;
 578             }
 579 
 580             SetupI18nProps(userDefaultUILang,
 581                            &sprops.language,
 582                            &sprops.script,
 583                            &sprops.country,
 584                            &sprops.variant,
 585                            &display_encoding);
 586             SetupI18nProps(userDefaultLCID,
 587                            &sprops.format_language,
 588                            &sprops.format_script,
 589                            &sprops.format_country,
 590                            &sprops.format_variant,
 591                            &sprops.encoding);
 592             SetupI18nProps(userDefaultUILang,
 593                            &sprops.display_language,
 594                            &sprops.display_script,
 595                            &sprops.display_country,
 596                            &sprops.display_variant,
 597                            &display_encoding);
 598 
 599             sprops.sun_jnu_encoding = getEncodingInternal(systemDefaultLCID);
 600             if (LANGIDFROMLCID(userDefaultLCID) == 0x0c04 && ver.dwMajorVersion == 6) {
 601                 // MS claims "Vista has built-in support for HKSCS-2004.
 602                 // All of the HKSCS-2004 characters have Unicode 4.1.
 603                 // PUA code point assignments". But what it really means
 604                 // is that the HKSCS-2004 is ONLY supported in Unicode.
 605                 // Test indicates the MS950 in its zh_HK locale is a
 606                 // "regular" MS950 which does not handle HKSCS-2004 at
 607                 // all. Set encoding to MS950_HKSCS.
 608                 sprops.encoding = "MS950_HKSCS";
 609                 sprops.sun_jnu_encoding = "MS950_HKSCS";
 610             }
 611         }
 612     }
 613 
 614     sprops.unicode_encoding = "UnicodeLittle";
 615     /* User TIMEZONE */
 616     {
 617         /*
 618          * We defer setting up timezone until it's actually necessary.
 619          * Refer to TimeZone.getDefault(). However, the system
 620          * property is necessary to be able to be set by the command
 621          * line interface -D. Here temporarily set a null string to
 622          * timezone.
 623          */
 624         sprops.timezone = "";
 625     }
 626 
 627     /* Current directory */
 628     {
 629         WCHAR buf[MAX_PATH];
 630         if (GetCurrentDirectoryW(sizeof(buf)/sizeof(WCHAR), buf) != 0)
 631             sprops.user_dir = _wcsdup(buf);
 632     }
 633 
 634     sprops.file_separator = "\\";
 635     sprops.path_separator = ";";
 636     sprops.line_separator = "\r\n";
 637 
 638     return &sprops;
 639 }
 640 
 641 jstring
 642 GetStringPlatform(JNIEnv *env, nchar* wcstr)
 643 {
 644     return (*env)->NewString(env, wcstr, wcslen(wcstr));
 645 }