dlls/kernel32/path.c

   1 /*
   2  * File handling functions
   3  *
   4  * Copyright 1993 Erik Bos
   5  * Copyright 1996, 2004 Alexandre Julliard
   6  * Copyright 2003 Eric Pouech
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  *
  22  */
  23
  24 #include "config.h"
  25 #include "wine/port.h"
  26
  27 #include <errno.h>
  28 #include <stdio.h>
  29 #include <stdarg.h>
  30
  31 #define NONAMELESSUNION
  32 #define NONAMELESSSTRUCT
  33 #include "winerror.h"
  34 #include "ntstatus.h"
  35 #define WIN32_NO_STATUS
  36 #include "windef.h"
  37 #include "winbase.h"
  38 #include "winternl.h"
  39
  40 #include "kernel_private.h"
  41 #include "wine/unicode.h"
  42 #include "wine/debug.h"
  43
  44 WINE_DEFAULT_DEBUG_CHANNEL(file);
  45
  46 #define MAX_PATHNAME_LEN        1024
  47
  48
  49 /* check if a file name is for an executable file (.exe or .com) */
  50 static inline BOOL is_executable( const WCHAR *name )
  51 {
  52     static const WCHAR exeW[] = {'.','e','x','e',0};
  53     static const WCHAR comW[] = {'.','c','o','m',0};
  54     int len = strlenW(name);
  55
  56     if (len < 4) return FALSE;
  57     return (!strcmpiW( name + len - 4, exeW ) || !strcmpiW( name + len - 4, comW ));
  58 }
  59
  60 /***********************************************************************
  61  *           copy_filename_WtoA
  62  *
  63  * copy a file name back to OEM/Ansi, but only if the buffer is large enough
  64  */
  65 static DWORD copy_filename_WtoA( LPCWSTR nameW, LPSTR buffer, DWORD len )
  66 {
  67     UNICODE_STRING strW;
  68     DWORD ret;
  69     BOOL is_ansi = AreFileApisANSI();
  70
  71     RtlInitUnicodeString( &strW, nameW );
  72
  73     ret = is_ansi ? RtlUnicodeStringToAnsiSize(&strW) : RtlUnicodeStringToOemSize(&strW);
  74     if (buffer && ret <= len)
  75     {
  76         ANSI_STRING str;
  77
  78         str.Buffer = buffer;
  79         str.MaximumLength = len;
  80         if (is_ansi)
  81             RtlUnicodeStringToAnsiString( &str, &strW, FALSE );
  82         else
  83             RtlUnicodeStringToOemString( &str, &strW, FALSE );
  84         ret = str.Length;  /* length without terminating 0 */
  85     }
  86     return ret;
  87 }
  88
  89 /***********************************************************************
  90  *           add_boot_rename_entry
  91  *
  92  * Adds an entry to the registry that is loaded when windows boots and
  93  * checks if there are some files to be removed or renamed/moved.
  94  * <fn1> has to be valid and <fn2> may be NULL. If both pointers are
  95  * non-NULL then the file is moved, otherwise it is deleted.  The
  96  * entry of the registrykey is always appended with two zero
  97  * terminated strings. If <fn2> is NULL then the second entry is
  98  * simply a single 0-byte. Otherwise the second filename goes
  99  * there. The entries are prepended with \??\ before the path and the
 100  * second filename gets also a '!' as the first character if
 101  * MOVEFILE_REPLACE_EXISTING is set. After the final string another
 102  * 0-byte follows to indicate the end of the strings.
 103  * i.e.:
 104  * \??\D:\test\file1[0]
 105  * !\??\D:\test\file1_renamed[0]
 106  * \??\D:\Test|delete[0]
 107  * [0]                        <- file is to be deleted, second string empty
 108  * \??\D:\test\file2[0]
 109  * !\??\D:\test\file2_renamed[0]
 110  * [0]                        <- indicates end of strings
 111  *
 112  * or:
 113  * \??\D:\test\file1[0]
 114  * !\??\D:\test\file1_renamed[0]
 115  * \??\D:\Test|delete[0]
 116  * [0]                        <- file is to be deleted, second string empty
 117  * [0]                        <- indicates end of strings
 118  *
 119  */
 120 static BOOL add_boot_rename_entry( LPCWSTR source, LPCWSTR dest, DWORD flags )
 121 {
 122     static const WCHAR ValueName[] = {'P','e','n','d','i','n','g',
 123                                       'F','i','l','e','R','e','n','a','m','e',
 124                                       'O','p','e','r','a','t','i','o','n','s',0};
 125     static const WCHAR SessionW[] = {'M','a','c','h','i','n','e','\\',
 126                                      'S','y','s','t','e','m','\\',
 127                                      'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
 128                                      'C','o','n','t','r','o','l','\\',
 129                                      'S','e','s','s','i','o','n',' ','M','a','n','a','g','e','r',0};
 130     static const int info_size = FIELD_OFFSET( KEY_VALUE_PARTIAL_INFORMATION, Data );
 131
 132     OBJECT_ATTRIBUTES attr;
 133     UNICODE_STRING nameW, source_name, dest_name;
 134     KEY_VALUE_PARTIAL_INFORMATION *info;
 135     BOOL rc = FALSE;
 136     HANDLE Reboot = 0;
 137     DWORD len1, len2;
 138     DWORD DataSize = 0;
 139     BYTE *Buffer = NULL;
 140     WCHAR *p;
 141
 142     if (!RtlDosPathNameToNtPathName_U( source, &source_name, NULL, NULL ))
 143     {
 144         SetLastError( ERROR_PATH_NOT_FOUND );
 145         return FALSE;
 146     }
 147     dest_name.Buffer = NULL;
 148     if (dest && !RtlDosPathNameToNtPathName_U( dest, &dest_name, NULL, NULL ))
 149     {
 150         RtlFreeUnicodeString( &source_name );
 151         SetLastError( ERROR_PATH_NOT_FOUND );
 152         return FALSE;
 153     }
 154
 155     attr.Length = sizeof(attr);
 156     attr.RootDirectory = 0;
 157     attr.ObjectName = &nameW;
 158     attr.Attributes = 0;
 159     attr.SecurityDescriptor = NULL;
 160     attr.SecurityQualityOfService = NULL;
 161     RtlInitUnicodeString( &nameW, SessionW );
 162
 163     if (NtCreateKey( &Reboot, KEY_ALL_ACCESS, &attr, 0, NULL, 0, NULL ) != STATUS_SUCCESS)
 164     {
 165         WARN("Error creating key for reboot managment [%s]\n",
 166              "SYSTEM\\CurrentControlSet\\Control\\Session Manager");
 167         RtlFreeUnicodeString( &source_name );
 168         RtlFreeUnicodeString( &dest_name );
 169         return FALSE;
 170     }
 171
 172     len1 = source_name.Length + sizeof(WCHAR);
 173     if (dest)
 174     {
 175         len2 = dest_name.Length + sizeof(WCHAR);
 176         if (flags & MOVEFILE_REPLACE_EXISTING)
 177             len2 += sizeof(WCHAR); /* Plus 1 because of the leading '!' */
 178     }
 179     else len2 = sizeof(WCHAR); /* minimum is the 0 characters for the empty second string */
 180
 181     RtlInitUnicodeString( &nameW, ValueName );
 182
 183     /* First we check if the key exists and if so how many bytes it already contains. */
 184     if (NtQueryValueKey( Reboot, &nameW, KeyValuePartialInformation,
 185                          NULL, 0, &DataSize ) == STATUS_BUFFER_OVERFLOW)
 186     {
 187         if (!(Buffer = HeapAlloc( GetProcessHeap(), 0, DataSize + len1 + len2 + sizeof(WCHAR) )))
 188             goto Quit;
 189         if (NtQueryValueKey( Reboot, &nameW, KeyValuePartialInformation,
 190                              Buffer, DataSize, &DataSize )) goto Quit;
 191         info = (KEY_VALUE_PARTIAL_INFORMATION *)Buffer;
 192         if (info->Type != REG_MULTI_SZ) goto Quit;
 193         if (DataSize > sizeof(info)) DataSize -= sizeof(WCHAR);  /* remove terminating null (will be added back later) */
 194     }
 195     else
 196     {
 197         DataSize = info_size;
 198         if (!(Buffer = HeapAlloc( GetProcessHeap(), 0, DataSize + len1 + len2 + sizeof(WCHAR) )))
 199             goto Quit;
 200     }
 201
 202     memcpy( Buffer + DataSize, source_name.Buffer, len1 );
 203     DataSize += len1;
 204     p = (WCHAR *)(Buffer + DataSize);
 205     if (dest)
 206     {
 207         if (flags & MOVEFILE_REPLACE_EXISTING)
 208             *p++ = '!';
 209         memcpy( p, dest_name.Buffer, len2 );
 210         DataSize += len2;
 211     }
 212     else
 213     {
 214         *p = 0;
 215         DataSize += sizeof(WCHAR);
 216     }
 217
 218     /* add final null */
 219     p = (WCHAR *)(Buffer + DataSize);
 220     *p = 0;
 221     DataSize += sizeof(WCHAR);
 222
 223     rc = !NtSetValueKey(Reboot, &nameW, 0, REG_MULTI_SZ, Buffer + info_size, DataSize - info_size);
 224
 225  Quit:
 226     RtlFreeUnicodeString( &source_name );
 227     RtlFreeUnicodeString( &dest_name );
 228     if (Reboot) NtClose(Reboot);
 229     HeapFree( GetProcessHeap(), 0, Buffer );
 230     return(rc);
 231 }
 232
 233
 234 /***********************************************************************
 235  *           GetFullPathNameW   (KERNEL32.@)
 236  * NOTES
 237  *   if the path closed with '\', *lastpart is 0
 238  */
 239 DWORD WINAPI GetFullPathNameW( LPCWSTR name, DWORD len, LPWSTR buffer,
 240                                LPWSTR *lastpart )
 241 {
 242     return RtlGetFullPathName_U(name, len * sizeof(WCHAR), buffer, lastpart) / sizeof(WCHAR);
 243 }
 244
 245 /***********************************************************************
 246  *           GetFullPathNameA   (KERNEL32.@)
 247  * NOTES
 248  *   if the path closed with '\', *lastpart is 0
 249  */
 250 DWORD WINAPI GetFullPathNameA( LPCSTR name, DWORD len, LPSTR buffer,
 251                                LPSTR *lastpart )
 252 {
 253     WCHAR *nameW;
 254     WCHAR bufferW[MAX_PATH];
 255     DWORD ret;
 256
 257     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return 0;
 258
 259     ret = GetFullPathNameW( nameW, MAX_PATH, bufferW, NULL);
 260
 261     if (!ret) return 0;
 262     if (ret > MAX_PATH)
 263     {
 264         SetLastError(ERROR_FILENAME_EXCED_RANGE);
 265         return 0;
 266     }
 267     ret = copy_filename_WtoA( bufferW, buffer, len );
 268     if (ret < len && lastpart)
 269     {
 270         LPSTR p = buffer + strlen(buffer) - 1;
 271
 272         if (*p != '\\')
 273         {
 274             while ((p > buffer + 2) && (*p != '\\')) p--;
 275             *lastpart = p + 1;
 276         }
 277         else *lastpart = NULL;
 278     }
 279     return ret;
 280 }
 281
 282
 283 /***********************************************************************
 284  *           GetLongPathNameW   (KERNEL32.@)
 285  *
 286  * NOTES
 287  *  observed (Win2000):
 288  *  shortpath=NULL: LastError=ERROR_INVALID_PARAMETER, ret=0
 289  *  shortpath="":   LastError=ERROR_PATH_NOT_FOUND, ret=0
 290  */
 291 DWORD WINAPI GetLongPathNameW( LPCWSTR shortpath, LPWSTR longpath, DWORD longlen )
 292 {
 293     WCHAR               tmplongpath[MAX_PATHNAME_LEN];
 294     LPCWSTR             p;
 295     DWORD               sp = 0, lp = 0;
 296     DWORD               tmplen;
 297     BOOL                unixabsolute;
 298     WIN32_FIND_DATAW    wfd;
 299     HANDLE              goit;
 300
 301     if (!shortpath)
 302     {
 303         SetLastError(ERROR_INVALID_PARAMETER);
 304         return 0;
 305     }
 306     if (!shortpath[0])
 307     {
 308         SetLastError(ERROR_PATH_NOT_FOUND);
 309         return 0;
 310     }
 311
 312     TRACE("%s,%p,%d\n", debugstr_w(shortpath), longpath, longlen);
 313
 314     if (shortpath[0] == '\\' && shortpath[1] == '\\')
 315     {
 316         ERR("UNC pathname %s\n", debugstr_w(shortpath));
 317         lstrcpynW( longpath, shortpath, longlen );
 318         return strlenW(longpath);
 319     }
 320
 321     unixabsolute = (shortpath[0] == '/');
 322
 323     /* check for drive letter */
 324     if (!unixabsolute && shortpath[1] == ':' )
 325     {
 326         tmplongpath[0] = shortpath[0];
 327         tmplongpath[1] = ':';
 328         lp = sp = 2;
 329     }
 330
 331     while (shortpath[sp])
 332     {
 333         /* check for path delimiters and reproduce them */
 334         if (shortpath[sp] == '\\' || shortpath[sp] == '/')
 335         {
 336             if (!lp || tmplongpath[lp-1] != '\\')
 337             {
 338                 /* strip double "\\" */
 339                 tmplongpath[lp++] = '\\';
 340             }
 341             tmplongpath[lp] = 0; /* terminate string */
 342             sp++;
 343             continue;
 344         }
 345
 346         p = shortpath + sp;
 347         if (sp == 0 && p[0] == '.' && (p[1] == '/' || p[1] == '\\'))
 348         {
 349             tmplongpath[lp++] = *p++;
 350             tmplongpath[lp++] = *p++;
 351         }
 352         for (; *p && *p != '/' && *p != '\\'; p++);
 353         tmplen = p - (shortpath + sp);
 354         lstrcpynW(tmplongpath + lp, shortpath + sp, tmplen + 1);
 355         /* Check if the file exists and use the existing file name */
 356         goit = FindFirstFileW(tmplongpath, &wfd);
 357         if (goit == INVALID_HANDLE_VALUE)
 358         {
 359             TRACE("not found %s!\n", debugstr_w(tmplongpath));
 360             SetLastError ( ERROR_FILE_NOT_FOUND );
 361             return 0;
 362         }
 363         FindClose(goit);
 364         strcpyW(tmplongpath + lp, wfd.cFileName);
 365         lp += strlenW(tmplongpath + lp);
 366         sp += tmplen;
 367     }
 368     tmplen = strlenW(shortpath) - 1;
 369     if ((shortpath[tmplen] == '/' || shortpath[tmplen] == '\\') &&
 370         (tmplongpath[lp - 1] != '/' && tmplongpath[lp - 1] != '\\'))
 371         tmplongpath[lp++] = shortpath[tmplen];
 372     tmplongpath[lp] = 0;
 373
 374     tmplen = strlenW(tmplongpath) + 1;
 375     if (tmplen <= longlen)
 376     {
 377         strcpyW(longpath, tmplongpath);
 378         TRACE("returning %s\n", debugstr_w(longpath));
 379         tmplen--; /* length without 0 */
 380     }
 381
 382     return tmplen;
 383 }
 384
 385 /***********************************************************************
 386  *           GetLongPathNameA   (KERNEL32.@)
 387  */
 388 DWORD WINAPI GetLongPathNameA( LPCSTR shortpath, LPSTR longpath, DWORD longlen )
 389 {
 390     WCHAR *shortpathW;
 391     WCHAR longpathW[MAX_PATH];
 392     DWORD ret;
 393
 394     TRACE("%s\n", debugstr_a(shortpath));
 395
 396     if (!(shortpathW = FILE_name_AtoW( shortpath, FALSE ))) return 0;
 397
 398     ret = GetLongPathNameW(shortpathW, longpathW, MAX_PATH);
 399
 400     if (!ret) return 0;
 401     if (ret > MAX_PATH)
 402     {
 403         SetLastError(ERROR_FILENAME_EXCED_RANGE);
 404         return 0;
 405     }
 406     return copy_filename_WtoA( longpathW, longpath, longlen );
 407 }
 408
 409
 410 /***********************************************************************
 411  *           GetShortPathNameW   (KERNEL32.@)
 412  *
 413  * NOTES
 414  *  observed:
 415  *  longpath=NULL: LastError=ERROR_INVALID_PARAMETER, ret=0
 416  *  longpath="" or invalid: LastError=ERROR_BAD_PATHNAME, ret=0
 417  *
 418  * more observations ( with NT 3.51 (WinDD) ):
 419  * longpath <= 8.3 -> just copy longpath to shortpath
 420  * longpath > 8.3  ->
 421  *             a) file does not exist -> return 0, LastError = ERROR_FILE_NOT_FOUND
 422  *             b) file does exist     -> set the short filename.
 423  * - trailing slashes are reproduced in the short name, even if the
 424  *   file is not a directory
 425  * - the absolute/relative path of the short name is reproduced like found
 426  *   in the long name
 427  * - longpath and shortpath may have the same address
 428  * Peter Ganten, 1999
 429  */
 430 DWORD WINAPI GetShortPathNameW( LPCWSTR longpath, LPWSTR shortpath, DWORD shortlen )
 431 {
 432     WCHAR               tmpshortpath[MAX_PATHNAME_LEN];
 433     LPCWSTR             p;
 434     DWORD               sp = 0, lp = 0;
 435     DWORD               tmplen;
 436     WIN32_FIND_DATAW    wfd;
 437     HANDLE              goit;
 438     UNICODE_STRING      ustr;
 439     WCHAR               ustr_buf[8+1+3+1];
 440
 441     TRACE("%s\n", debugstr_w(longpath));
 442
 443     if (!longpath)
 444     {
 445         SetLastError(ERROR_INVALID_PARAMETER);
 446         return 0;
 447     }
 448     if (!longpath[0])
 449     {
 450         SetLastError(ERROR_BAD_PATHNAME);
 451         return 0;
 452     }
 453
 454     /* check for drive letter */
 455     if (longpath[0] != '/' && longpath[1] == ':' )
 456     {
 457         tmpshortpath[0] = longpath[0];
 458         tmpshortpath[1] = ':';
 459         sp = lp = 2;
 460     }
 461
 462     ustr.Buffer = ustr_buf;
 463     ustr.Length = 0;
 464     ustr.MaximumLength = sizeof(ustr_buf);
 465
 466     while (longpath[lp])
 467     {
 468         /* check for path delimiters and reproduce them */
 469         if (longpath[lp] == '\\' || longpath[lp] == '/')
 470         {
 471             if (!sp || tmpshortpath[sp-1] != '\\')
 472             {
 473                 /* strip double "\\" */
 474                 tmpshortpath[sp] = '\\';
 475                 sp++;
 476             }
 477             tmpshortpath[sp] = 0; /* terminate string */
 478             lp++;
 479             continue;
 480         }
 481
 482         for (p = longpath + lp; *p && *p != '/' && *p != '\\'; p++);
 483         tmplen = p - (longpath + lp);
 484         lstrcpynW(tmpshortpath + sp, longpath + lp, tmplen + 1);
 485         /* Check, if the current element is a valid dos name */
 486         if (tmplen <= 8+1+3)
 487         {
 488             BOOLEAN spaces;
 489             memcpy(ustr_buf, longpath + lp, tmplen * sizeof(WCHAR));
 490             ustr_buf[tmplen] = '\0';
 491             ustr.Length = tmplen * sizeof(WCHAR);
 492             if (RtlIsNameLegalDOS8Dot3(&ustr, NULL, &spaces) && !spaces)
 493             {
 494                 sp += tmplen;
 495                 lp += tmplen;
 496                 continue;
 497             }
 498         }
 499
 500         /* Check if the file exists and use the existing short file name */
 501         goit = FindFirstFileW(tmpshortpath, &wfd);
 502         if (goit == INVALID_HANDLE_VALUE) goto notfound;
 503         FindClose(goit);
 504         strcpyW(tmpshortpath + sp, wfd.cAlternateFileName);
 505         sp += strlenW(tmpshortpath + sp);
 506         lp += tmplen;
 507     }
 508     tmpshortpath[sp] = 0;
 509
 510     tmplen = strlenW(tmpshortpath) + 1;
 511     if (tmplen <= shortlen)
 512     {
 513         strcpyW(shortpath, tmpshortpath);
 514         TRACE("returning %s\n", debugstr_w(shortpath));
 515         tmplen--; /* length without 0 */
 516     }
 517
 518     return tmplen;
 519
 520  notfound:
 521     TRACE("not found!\n" );
 522     SetLastError ( ERROR_FILE_NOT_FOUND );
 523     return 0;
 524 }
 525
 526 /***********************************************************************
 527  *           GetShortPathNameA   (KERNEL32.@)
 528  */
 529 DWORD WINAPI GetShortPathNameA( LPCSTR longpath, LPSTR shortpath, DWORD shortlen )
 530 {
 531     WCHAR *longpathW;
 532     WCHAR shortpathW[MAX_PATH];
 533     DWORD ret;
 534
 535     TRACE("%s\n", debugstr_a(longpath));
 536
 537     if (!(longpathW = FILE_name_AtoW( longpath, FALSE ))) return 0;
 538
 539     ret = GetShortPathNameW(longpathW, shortpathW, MAX_PATH);
 540
 541     if (!ret) return 0;
 542     if (ret > MAX_PATH)
 543     {
 544         SetLastError(ERROR_FILENAME_EXCED_RANGE);
 545         return 0;
 546     }
 547     return copy_filename_WtoA( shortpathW, shortpath, shortlen );
 548 }
 549
 550
 551 /***********************************************************************
 552  *           GetTempPathA   (KERNEL32.@)
 553  */
 554 DWORD WINAPI GetTempPathA( DWORD count, LPSTR path )
 555 {
 556     WCHAR pathW[MAX_PATH];
 557     UINT ret;
 558
 559     ret = GetTempPathW(MAX_PATH, pathW);
 560
 561     if (!ret)
 562         return 0;
 563
 564     if (ret > MAX_PATH)
 565     {
 566         SetLastError(ERROR_FILENAME_EXCED_RANGE);
 567         return 0;
 568     }
 569     return copy_filename_WtoA( pathW, path, count );
 570 }
 571
 572
 573 /***********************************************************************
 574  *           GetTempPathW   (KERNEL32.@)
 575  */
 576 DWORD WINAPI GetTempPathW( DWORD count, LPWSTR path )
 577 {
 578     static const WCHAR tmp[]  = { 'T', 'M', 'P', 0 };
 579     static const WCHAR temp[] = { 'T', 'E', 'M', 'P', 0 };
 580     static const WCHAR userprofile[] = { 'U','S','E','R','P','R','O','F','I','L','E',0 };
 581     WCHAR tmp_path[MAX_PATH];
 582     UINT ret;
 583
 584     TRACE("%u,%p\n", count, path);
 585
 586     if (!(ret = GetEnvironmentVariableW( tmp, tmp_path, MAX_PATH )) &&
 587         !(ret = GetEnvironmentVariableW( temp, tmp_path, MAX_PATH )) &&
 588         !(ret = GetEnvironmentVariableW( userprofile, tmp_path, MAX_PATH )) &&
 589         !(ret = GetWindowsDirectoryW( tmp_path, MAX_PATH )))
 590         return 0;
 591
 592     if (ret > MAX_PATH)
 593     {
 594         SetLastError(ERROR_FILENAME_EXCED_RANGE);
 595         return 0;
 596     }
 597
 598     ret = GetFullPathNameW(tmp_path, MAX_PATH, tmp_path, NULL);
 599     if (!ret) return 0;
 600
 601     if (ret > MAX_PATH - 2)
 602     {
 603         SetLastError(ERROR_FILENAME_EXCED_RANGE);
 604         return 0;
 605     }
 606
 607     if (tmp_path[ret-1] != '\\')
 608     {
 609         tmp_path[ret++] = '\\';
 610         tmp_path[ret]   = '\0';
 611     }
 612
 613     ret++; /* add space for terminating 0 */
 614
 615     if (count)
 616     {
 617         lstrcpynW(path, tmp_path, count);
 618         if (count >= ret)
 619             ret--; /* return length without 0 */
 620         else if (count < 4)
 621             path[0] = 0; /* avoid returning ambiguous "X:" */
 622     }
 623
 624     TRACE("returning %u, %s\n", ret, debugstr_w(path));
 625     return ret;
 626 }
 627
 628
 629 /***********************************************************************
 630  *           GetTempFileNameA   (KERNEL32.@)
 631  */
 632 UINT WINAPI GetTempFileNameA( LPCSTR path, LPCSTR prefix, UINT unique, LPSTR buffer)
 633 {
 634     WCHAR *pathW, *prefixW = NULL;
 635     WCHAR bufferW[MAX_PATH];
 636     UINT ret;
 637
 638     if (!(pathW = FILE_name_AtoW( path, FALSE ))) return 0;
 639     if (prefix && !(prefixW = FILE_name_AtoW( prefix, TRUE ))) return 0;
 640
 641     ret = GetTempFileNameW(pathW, prefixW, unique, bufferW);
 642     if (ret) FILE_name_WtoA( bufferW, -1, buffer, MAX_PATH );
 643
 644     HeapFree( GetProcessHeap(), 0, prefixW );
 645     return ret;
 646 }
 647
 648 /***********************************************************************
 649  *           GetTempFileNameW   (KERNEL32.@)
 650  */
 651 UINT WINAPI GetTempFileNameW( LPCWSTR path, LPCWSTR prefix, UINT unique, LPWSTR buffer )
 652 {
 653     static const WCHAR formatW[] = {'%','x','.','t','m','p',0};
 654
 655     int i;
 656     LPWSTR p;
 657
 658     if ( !path || !buffer )
 659     {
 660         SetLastError( ERROR_INVALID_PARAMETER );
 661         return 0;
 662     }
 663
 664     strcpyW( buffer, path );
 665     p = buffer + strlenW(buffer);
 666
 667     /* add a \, if there isn't one  */
 668     if ((p == buffer) || (p[-1] != '\\')) *p++ = '\\';
 669
 670     if (prefix)
 671         for (i = 3; (i > 0) && (*prefix); i--) *p++ = *prefix++;
 672
 673     unique &= 0xffff;
 674
 675     if (unique) sprintfW( p, formatW, unique );
 676     else
 677     {
 678         /* get a "random" unique number and try to create the file */
 679         HANDLE handle;
 680         UINT num = GetTickCount() & 0xffff;
 681
 682         if (!num) num = 1;
 683         unique = num;
 684         do
 685         {
 686             sprintfW( p, formatW, unique );
 687             handle = CreateFileW( buffer, GENERIC_WRITE, 0, NULL,
 688                                   CREATE_NEW, FILE_ATTRIBUTE_NORMAL, 0 );
 689             if (handle != INVALID_HANDLE_VALUE)
 690             {  /* We created it */
 691                 TRACE("created %s\n", debugstr_w(buffer) );
 692                 CloseHandle( handle );
 693                 break;
 694             }
 695             if (GetLastError() != ERROR_FILE_EXISTS &&
 696                 GetLastError() != ERROR_SHARING_VIOLATION)
 697                 break;  /* No need to go on */
 698             if (!(++unique & 0xffff)) unique = 1;
 699         } while (unique != num);
 700     }
 701
 702     TRACE("returning %s\n", debugstr_w(buffer) );
 703     return unique;
 704 }
 705
 706
 707 /***********************************************************************
 708  *           contains_pathW
 709  *
 710  * Check if the file name contains a path; helper for SearchPathW.
 711  * A relative path is not considered a path unless it starts with ./ or ../
 712  */
 713 static inline BOOL contains_pathW (LPCWSTR name)
 714 {
 715     if (RtlDetermineDosPathNameType_U( name ) != RELATIVE_PATH) return TRUE;
 716     if (name[0] != '.') return FALSE;
 717     if (name[1] == '/' || name[1] == '\\') return TRUE;
 718     return (name[1] == '.' && (name[2] == '/' || name[2] == '\\'));
 719 }
 720
 721
 722 /***********************************************************************
 723  * SearchPathW [KERNEL32.@]
 724  *
 725  * Searches for a specified file in the search path.
 726  *
 727  * PARAMS
 728  *    path      [I] Path to search (NULL means default)
 729  *    name      [I] Filename to search for.
 730  *    ext       [I] File extension to append to file name. The first
 731  *                  character must be a period. This parameter is
 732  *                  specified only if the filename given does not
 733  *                  contain an extension.
 734  *    buflen    [I] size of buffer, in characters
 735  *    buffer    [O] buffer for found filename
 736  *    lastpart  [O] address of pointer to last used character in
 737  *                  buffer (the final '\')
 738  *
 739  * RETURNS
 740  *    Success: length of string copied into buffer, not including
 741  *             terminating null character. If the filename found is
 742  *             longer than the length of the buffer, the length of the
 743  *             filename is returned.
 744  *    Failure: Zero
 745  *
 746  * NOTES
 747  *    If the file is not found, calls SetLastError(ERROR_FILE_NOT_FOUND)
 748  *    (tested on NT 4.0)
 749  */
 750 DWORD WINAPI SearchPathW( LPCWSTR path, LPCWSTR name, LPCWSTR ext, DWORD buflen,
 751                           LPWSTR buffer, LPWSTR *lastpart )
 752 {
 753     DWORD ret = 0;
 754
 755     /* If the name contains an explicit path, ignore the path */
 756
 757     if (contains_pathW(name))
 758     {
 759         /* try first without extension */
 760         if (RtlDoesFileExists_U( name ))
 761             return GetFullPathNameW( name, buflen, buffer, lastpart );
 762
 763         if (ext)
 764         {
 765             LPCWSTR p = strrchrW( name, '.' );
 766             if (p && !strchrW( p, '/' ) && !strchrW( p, '\\' ))
 767                 ext = NULL;  /* Ignore the specified extension */
 768         }
 769
 770         /* Allocate a buffer for the file name and extension */
 771         if (ext)
 772         {
 773             LPWSTR tmp;
 774             DWORD len = strlenW(name) + strlenW(ext);
 775
 776             if (!(tmp = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) )))
 777             {
 778                 SetLastError( ERROR_OUTOFMEMORY );
 779                 return 0;
 780             }
 781             strcpyW( tmp, name );
 782             strcatW( tmp, ext );
 783             if (RtlDoesFileExists_U( tmp ))
 784                 ret = GetFullPathNameW( tmp, buflen, buffer, lastpart );
 785             HeapFree( GetProcessHeap(), 0, tmp );
 786         }
 787     }
 788     else if (path && path[0])  /* search in the specified path */
 789     {
 790         ret = RtlDosSearchPath_U( path, name, ext, buflen * sizeof(WCHAR),
 791                                   buffer, lastpart ) / sizeof(WCHAR);
 792     }
 793     else  /* search in the default path */
 794     {
 795         WCHAR *dll_path = MODULE_get_dll_load_path( NULL );
 796
 797         if (dll_path)
 798         {
 799             ret = RtlDosSearchPath_U( dll_path, name, ext, buflen * sizeof(WCHAR),
 800                                       buffer, lastpart ) / sizeof(WCHAR);
 801             HeapFree( GetProcessHeap(), 0, dll_path );
 802         }
 803         else
 804         {
 805             SetLastError( ERROR_OUTOFMEMORY );
 806             return 0;
 807         }
 808     }
 809
 810     if (!ret) SetLastError( ERROR_FILE_NOT_FOUND );
 811     else TRACE( "found %s\n", debugstr_w(buffer) );
 812     return ret;
 813 }
 814
 815
 816 /***********************************************************************
 817  *           SearchPathA   (KERNEL32.@)
 818  *
 819  * See SearchPathW.
 820  */
 821 DWORD WINAPI SearchPathA( LPCSTR path, LPCSTR name, LPCSTR ext,
 822                           DWORD buflen, LPSTR buffer, LPSTR *lastpart )
 823 {
 824     WCHAR *pathW = NULL, *nameW = NULL, *extW = NULL;
 825     WCHAR bufferW[MAX_PATH];
 826     DWORD ret;
 827
 828     if (!name || !(nameW = FILE_name_AtoW( name, FALSE ))) return 0;
 829     if (path && !(pathW = FILE_name_AtoW( path, TRUE ))) return 0;
 830
 831     if (ext && !(extW = FILE_name_AtoW( ext, TRUE )))
 832     {
 833         HeapFree( GetProcessHeap(), 0, pathW );
 834         return 0;
 835     }
 836
 837     ret = SearchPathW(pathW, nameW, extW, MAX_PATH, bufferW, NULL);
 838
 839     HeapFree( GetProcessHeap(), 0, pathW );
 840     HeapFree( GetProcessHeap(), 0, extW );
 841
 842     if (!ret) return 0;
 843     if (ret > MAX_PATH)
 844     {
 845         SetLastError(ERROR_FILENAME_EXCED_RANGE);
 846         return 0;
 847     }
 848     ret = copy_filename_WtoA( bufferW, buffer, buflen );
 849     if (buflen > ret && lastpart)
 850         *lastpart = strrchr(buffer, '\\') + 1;
 851     return ret;
 852 }
 853
 854
 855 /**************************************************************************
 856  *           CopyFileW   (KERNEL32.@)
 857  */
 858 BOOL WINAPI CopyFileW( LPCWSTR source, LPCWSTR dest, BOOL fail_if_exists )
 859 {
 860     static const int buffer_size = 65536;
 861     HANDLE h1, h2;
 862     BY_HANDLE_FILE_INFORMATION info;
 863     DWORD count;
 864     BOOL ret = FALSE;
 865     char *buffer;
 866
 867     if (!source || !dest)
 868     {
 869         SetLastError(ERROR_INVALID_PARAMETER);
 870         return FALSE;
 871     }
 872     if (!(buffer = HeapAlloc( GetProcessHeap(), 0, buffer_size )))
 873     {
 874         SetLastError(ERROR_NOT_ENOUGH_MEMORY);
 875         return FALSE;
 876     }
 877
 878     TRACE("%s -> %s\n", debugstr_w(source), debugstr_w(dest));
 879
 880     if ((h1 = CreateFileW(source, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
 881                      NULL, OPEN_EXISTING, 0, 0)) == INVALID_HANDLE_VALUE)
 882     {
 883         WARN("Unable to open source %s\n", debugstr_w(source));
 884         HeapFree( GetProcessHeap(), 0, buffer );
 885         return FALSE;
 886     }
 887
 888     if (!GetFileInformationByHandle( h1, &info ))
 889     {
 890         WARN("GetFileInformationByHandle returned error for %s\n", debugstr_w(source));
 891         HeapFree( GetProcessHeap(), 0, buffer );
 892         CloseHandle( h1 );
 893         return FALSE;
 894     }
 895
 896     if ((h2 = CreateFileW( dest, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
 897                              fail_if_exists ? CREATE_NEW : CREATE_ALWAYS,
 898                              info.dwFileAttributes, h1 )) == INVALID_HANDLE_VALUE)
 899     {
 900         WARN("Unable to open dest %s\n", debugstr_w(dest));
 901         HeapFree( GetProcessHeap(), 0, buffer );
 902         CloseHandle( h1 );
 903         return FALSE;
 904     }
 905
 906     while (ReadFile( h1, buffer, buffer_size, &count, NULL ) && count)
 907     {
 908         char *p = buffer;
 909         while (count != 0)
 910         {
 911             DWORD res;
 912             if (!WriteFile( h2, p, count, &res, NULL ) || !res) goto done;
 913             p += res;
 914             count -= res;
 915         }
 916     }
 917     ret =  TRUE;
 918 done:
 919     /* Maintain the timestamp of source file to destination file */
 920     SetFileTime(h2, NULL, NULL, &info.ftLastWriteTime);
 921     HeapFree( GetProcessHeap(), 0, buffer );
 922     CloseHandle( h1 );
 923     CloseHandle( h2 );
 924     return ret;
 925 }
 926
 927
 928 /**************************************************************************
 929  *           CopyFileA   (KERNEL32.@)
 930  */
 931 BOOL WINAPI CopyFileA( LPCSTR source, LPCSTR dest, BOOL fail_if_exists)
 932 {
 933     WCHAR *sourceW, *destW;
 934     BOOL ret;
 935
 936     if (!(sourceW = FILE_name_AtoW( source, FALSE ))) return FALSE;
 937     if (!(destW = FILE_name_AtoW( dest, TRUE ))) return FALSE;
 938
 939     ret = CopyFileW( sourceW, destW, fail_if_exists );
 940
 941     HeapFree( GetProcessHeap(), 0, destW );
 942     return ret;
 943 }
 944
 945
 946 /**************************************************************************
 947  *           CopyFileExW   (KERNEL32.@)
 948  *
 949  * This implementation ignores most of the extra parameters passed-in into
 950  * the "ex" version of the method and calls the CopyFile method.
 951  * It will have to be fixed eventually.
 952  */
 953 BOOL WINAPI CopyFileExW(LPCWSTR sourceFilename, LPCWSTR destFilename,
 954                         LPPROGRESS_ROUTINE progressRoutine, LPVOID appData,
 955                         LPBOOL cancelFlagPointer, DWORD copyFlags)
 956 {
 957     /*
 958      * Interpret the only flag that CopyFile can interpret.
 959      */
 960     return CopyFileW(sourceFilename, destFilename, (copyFlags & COPY_FILE_FAIL_IF_EXISTS) != 0);
 961 }
 962
 963
 964 /**************************************************************************
 965  *           CopyFileExA   (KERNEL32.@)
 966  */
 967 BOOL WINAPI CopyFileExA(LPCSTR sourceFilename, LPCSTR destFilename,
 968                         LPPROGRESS_ROUTINE progressRoutine, LPVOID appData,
 969                         LPBOOL cancelFlagPointer, DWORD copyFlags)
 970 {
 971     WCHAR *sourceW, *destW;
 972     BOOL ret;
 973
 974     /* can't use the TEB buffer since we may have a callback routine */
 975     if (!(sourceW = FILE_name_AtoW( sourceFilename, TRUE ))) return FALSE;
 976     if (!(destW = FILE_name_AtoW( destFilename, TRUE )))
 977     {
 978         HeapFree( GetProcessHeap(), 0, sourceW );
 979         return FALSE;
 980     }
 981     ret = CopyFileExW(sourceW, destW, progressRoutine, appData,
 982                       cancelFlagPointer, copyFlags);
 983     HeapFree( GetProcessHeap(), 0, sourceW );
 984     HeapFree( GetProcessHeap(), 0, destW );
 985     return ret;
 986 }
 987
 988
 989 /**************************************************************************
 990  *           MoveFileWithProgressW   (KERNEL32.@)
 991  */
 992 BOOL WINAPI MoveFileWithProgressW( LPCWSTR source, LPCWSTR dest,
 993                                    LPPROGRESS_ROUTINE fnProgress,
 994                                    LPVOID param, DWORD flag )
 995 {
 996     FILE_BASIC_INFORMATION info;
 997     UNICODE_STRING nt_name;
 998     OBJECT_ATTRIBUTES attr;
 999     IO_STATUS_BLOCK io;
1000     NTSTATUS status;
1001     HANDLE source_handle = 0, dest_handle;
1002     ANSI_STRING source_unix, dest_unix;
1003
1004     TRACE("(%s,%s,%p,%p,%04x)\n",
1005           debugstr_w(source), debugstr_w(dest), fnProgress, param, flag );
1006
1007     if (flag & MOVEFILE_DELAY_UNTIL_REBOOT)
1008         return add_boot_rename_entry( source, dest, flag );
1009
1010     if (!dest)
1011         return DeleteFileW( source );
1012
1013     if (flag & MOVEFILE_WRITE_THROUGH)
1014         FIXME("MOVEFILE_WRITE_THROUGH unimplemented\n");
1015
1016     /* check if we are allowed to rename the source */
1017
1018     if (!RtlDosPathNameToNtPathName_U( source, &nt_name, NULL, NULL ))
1019     {
1020         SetLastError( ERROR_PATH_NOT_FOUND );
1021         return FALSE;
1022     }
1023     source_unix.Buffer = NULL;
1024     dest_unix.Buffer = NULL;
1025     attr.Length = sizeof(attr);
1026     attr.RootDirectory = 0;
1027     attr.Attributes = OBJ_CASE_INSENSITIVE;
1028     attr.ObjectName = &nt_name;
1029     attr.SecurityDescriptor = NULL;
1030     attr.SecurityQualityOfService = NULL;
1031
1032     status = NtOpenFile( &source_handle, 0, &attr, &io, 0, FILE_SYNCHRONOUS_IO_NONALERT );
1033     if (status == STATUS_SUCCESS)
1034         status = wine_nt_to_unix_file_name( &nt_name, &source_unix, FILE_OPEN, FALSE );
1035     RtlFreeUnicodeString( &nt_name );
1036     if (status != STATUS_SUCCESS)
1037     {
1038         SetLastError( RtlNtStatusToDosError(status) );
1039         goto error;
1040     }
1041     status = NtQueryInformationFile( source_handle, &io, &info, sizeof(info), FileBasicInformation );
1042     if (status != STATUS_SUCCESS)
1043     {
1044         SetLastError( RtlNtStatusToDosError(status) );
1045         goto error;
1046     }
1047
1048     /* we must have write access to the destination, and it must */
1049     /* not exist except if MOVEFILE_REPLACE_EXISTING is set */
1050
1051     if (!RtlDosPathNameToNtPathName_U( dest, &nt_name, NULL, NULL ))
1052     {
1053         SetLastError( ERROR_PATH_NOT_FOUND );
1054         goto error;
1055     }
1056     status = NtOpenFile( &dest_handle, GENERIC_READ | GENERIC_WRITE, &attr, &io, 0,
1057                          FILE_NON_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
1058     if (status == STATUS_SUCCESS)  /* destination exists */
1059     {
1060         NtClose( dest_handle );
1061         if (!(flag & MOVEFILE_REPLACE_EXISTING))
1062         {
1063             SetLastError( ERROR_ALREADY_EXISTS );
1064             RtlFreeUnicodeString( &nt_name );
1065             goto error;
1066         }
1067         else if (info.FileAttributes & FILE_ATTRIBUTE_DIRECTORY) /* cannot replace directory */
1068         {
1069             SetLastError( ERROR_ACCESS_DENIED );
1070             goto error;
1071         }
1072     }
1073     else if (status != STATUS_OBJECT_NAME_NOT_FOUND)
1074     {
1075         SetLastError( RtlNtStatusToDosError(status) );
1076         RtlFreeUnicodeString( &nt_name );
1077         goto error;
1078     }
1079
1080     status = wine_nt_to_unix_file_name( &nt_name, &dest_unix, FILE_OPEN_IF, FALSE );
1081     RtlFreeUnicodeString( &nt_name );
1082     if (status != STATUS_SUCCESS && status != STATUS_NO_SUCH_FILE)
1083     {
1084         SetLastError( RtlNtStatusToDosError(status) );
1085         goto error;
1086     }
1087
1088     /* now perform the rename */
1089
1090     if (rename( source_unix.Buffer, dest_unix.Buffer ) == -1)
1091     {
1092         if (errno == EXDEV && (flag & MOVEFILE_COPY_ALLOWED))
1093         {
1094             NtClose( source_handle );
1095             RtlFreeAnsiString( &source_unix );
1096             RtlFreeAnsiString( &dest_unix );
1097             if (!CopyFileExW( source, dest, fnProgress,
1098                               param, NULL, COPY_FILE_FAIL_IF_EXISTS ))
1099                 return FALSE;
1100             return DeleteFileW( source );
1101         }
1102         FILE_SetDosError();
1103         /* if we created the destination, remove it */
1104         if (io.Information == FILE_CREATED) unlink( dest_unix.Buffer );
1105         goto error;
1106     }
1107
1108     /* fixup executable permissions */
1109
1110     if (is_executable( source ) != is_executable( dest ))
1111     {
1112         struct stat fstat;
1113         if (stat( dest_unix.Buffer, &fstat ) != -1)
1114         {
1115             if (is_executable( dest ))
1116                 /* set executable bit where read bit is set */
1117                 fstat.st_mode |= (fstat.st_mode & 0444) >> 2;
1118             else
1119                 fstat.st_mode &= ~0111;
1120             chmod( dest_unix.Buffer, fstat.st_mode );
1121         }
1122     }
1123
1124     NtClose( source_handle );
1125     RtlFreeAnsiString( &source_unix );
1126     RtlFreeAnsiString( &dest_unix );
1127     return TRUE;
1128
1129 error:
1130     if (source_handle) NtClose( source_handle );
1131     RtlFreeAnsiString( &source_unix );
1132     RtlFreeAnsiString( &dest_unix );
1133     return FALSE;
1134 }
1135
1136 /**************************************************************************
1137  *           MoveFileWithProgressA   (KERNEL32.@)
1138  */
1139 BOOL WINAPI MoveFileWithProgressA( LPCSTR source, LPCSTR dest,
1140                                    LPPROGRESS_ROUTINE fnProgress,
1141                                    LPVOID param, DWORD flag )
1142 {
1143     WCHAR *sourceW, *destW;
1144     BOOL ret;
1145
1146     if (!(sourceW = FILE_name_AtoW( source, FALSE ))) return FALSE;
1147     if (dest)
1148     {
1149         if (!(destW = FILE_name_AtoW( dest, TRUE ))) return FALSE;
1150     }
1151     else
1152         destW = NULL;
1153
1154     ret = MoveFileWithProgressW( sourceW, destW, fnProgress, param, flag );
1155     HeapFree( GetProcessHeap(), 0, destW );
1156     return ret;
1157 }
1158
1159 /**************************************************************************
1160  *           MoveFileExW   (KERNEL32.@)
1161  */
1162 BOOL WINAPI MoveFileExW( LPCWSTR source, LPCWSTR dest, DWORD flag )
1163 {
1164     return MoveFileWithProgressW( source, dest, NULL, NULL, flag );
1165 }
1166
1167 /**************************************************************************
1168  *           MoveFileExA   (KERNEL32.@)
1169  */
1170 BOOL WINAPI MoveFileExA( LPCSTR source, LPCSTR dest, DWORD flag )
1171 {
1172     return MoveFileWithProgressA( source, dest, NULL, NULL, flag );
1173 }
1174
1175
1176 /**************************************************************************
1177  *           MoveFileW   (KERNEL32.@)
1178  *
1179  *  Move file or directory
1180  */
1181 BOOL WINAPI MoveFileW( LPCWSTR source, LPCWSTR dest )
1182 {
1183     return MoveFileExW( source, dest, MOVEFILE_COPY_ALLOWED );
1184 }
1185
1186
1187 /**************************************************************************
1188  *           MoveFileA   (KERNEL32.@)
1189  */
1190 BOOL WINAPI MoveFileA( LPCSTR source, LPCSTR dest )
1191 {
1192     return MoveFileExA( source, dest, MOVEFILE_COPY_ALLOWED );
1193 }
1194
1195
1196 /*************************************************************************
1197  *           CreateHardLinkW   (KERNEL32.@)
1198  */
1199 BOOL WINAPI CreateHardLinkW(LPCWSTR lpFileName, LPCWSTR lpExistingFileName,
1200     LPSECURITY_ATTRIBUTES lpSecurityAttributes)
1201 {
1202     FIXME("(%s, %s, %p): stub\n", debugstr_w(lpFileName),
1203         debugstr_w(lpExistingFileName), lpSecurityAttributes);
1204     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1205     return FALSE;
1206 }
1207
1208
1209 /*************************************************************************
1210  *           CreateHardLinkA   (KERNEL32.@)
1211  */
1212 BOOL WINAPI CreateHardLinkA(LPCSTR lpFileName, LPCSTR lpExistingFileName,
1213     LPSECURITY_ATTRIBUTES lpSecurityAttributes)
1214 {
1215     FIXME("(%s, %s, %p): stub\n", debugstr_a(lpFileName),
1216         debugstr_a(lpExistingFileName), lpSecurityAttributes);
1217     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1218     return FALSE;
1219 }
1220
1221
1222 /***********************************************************************
1223  *           CreateDirectoryW   (KERNEL32.@)
1224  * RETURNS:
1225  *      TRUE : success
1226  *      FALSE : failure
1227  *              ERROR_DISK_FULL:        on full disk
1228  *              ERROR_ALREADY_EXISTS:   if directory name exists (even as file)
1229  *              ERROR_ACCESS_DENIED:    on permission problems
1230  *              ERROR_FILENAME_EXCED_RANGE: too long filename(s)
1231  */
1232 BOOL WINAPI CreateDirectoryW( LPCWSTR path, LPSECURITY_ATTRIBUTES sa )
1233 {
1234     OBJECT_ATTRIBUTES attr;
1235     UNICODE_STRING nt_name;
1236     IO_STATUS_BLOCK io;
1237     NTSTATUS status;
1238     HANDLE handle;
1239     BOOL ret = FALSE;
1240
1241     TRACE( "%s\n", debugstr_w(path) );
1242
1243     if (!RtlDosPathNameToNtPathName_U( path, &nt_name, NULL, NULL ))
1244     {
1245         SetLastError( ERROR_PATH_NOT_FOUND );
1246         return FALSE;
1247     }
1248     attr.Length = sizeof(attr);
1249     attr.RootDirectory = 0;
1250     attr.Attributes = OBJ_CASE_INSENSITIVE;
1251     attr.ObjectName = &nt_name;
1252     attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
1253     attr.SecurityQualityOfService = NULL;
1254
1255     status = NtCreateFile( &handle, GENERIC_READ, &attr, &io, NULL,
1256                            FILE_ATTRIBUTE_NORMAL, FILE_SHARE_READ, FILE_CREATE,
1257                            FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT, NULL, 0 );
1258
1259     if (status == STATUS_SUCCESS)
1260     {
1261         NtClose( handle );
1262         ret = TRUE;
1263     }
1264     else SetLastError( RtlNtStatusToDosError(status) );
1265
1266     RtlFreeUnicodeString( &nt_name );
1267     return ret;
1268 }
1269
1270
1271 /***********************************************************************
1272  *           CreateDirectoryA   (KERNEL32.@)
1273  */
1274 BOOL WINAPI CreateDirectoryA( LPCSTR path, LPSECURITY_ATTRIBUTES sa )
1275 {
1276     WCHAR *pathW;
1277
1278     if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1279     return CreateDirectoryW( pathW, sa );
1280 }
1281
1282
1283 /***********************************************************************
1284  *           CreateDirectoryExA   (KERNEL32.@)
1285  */
1286 BOOL WINAPI CreateDirectoryExA( LPCSTR template, LPCSTR path, LPSECURITY_ATTRIBUTES sa )
1287 {
1288     WCHAR *pathW, *templateW = NULL;
1289     BOOL ret;
1290
1291     if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1292     if (template && !(templateW = FILE_name_AtoW( template, TRUE ))) return FALSE;
1293
1294     ret = CreateDirectoryExW( templateW, pathW, sa );
1295     HeapFree( GetProcessHeap(), 0, templateW );
1296     return ret;
1297 }
1298
1299
1300 /***********************************************************************
1301  *           CreateDirectoryExW   (KERNEL32.@)
1302  */
1303 BOOL WINAPI CreateDirectoryExW( LPCWSTR template, LPCWSTR path, LPSECURITY_ATTRIBUTES sa )
1304 {
1305     return CreateDirectoryW( path, sa );
1306 }
1307
1308
1309 /***********************************************************************
1310  *           RemoveDirectoryW   (KERNEL32.@)
1311  */
1312 BOOL WINAPI RemoveDirectoryW( LPCWSTR path )
1313 {
1314     OBJECT_ATTRIBUTES attr;
1315     UNICODE_STRING nt_name;
1316     ANSI_STRING unix_name;
1317     IO_STATUS_BLOCK io;
1318     NTSTATUS status;
1319     HANDLE handle;
1320     BOOL ret = FALSE;
1321
1322     TRACE( "%s\n", debugstr_w(path) );
1323
1324     if (!RtlDosPathNameToNtPathName_U( path, &nt_name, NULL, NULL ))
1325     {
1326         SetLastError( ERROR_PATH_NOT_FOUND );
1327         return FALSE;
1328     }
1329     attr.Length = sizeof(attr);
1330     attr.RootDirectory = 0;
1331     attr.Attributes = OBJ_CASE_INSENSITIVE;
1332     attr.ObjectName = &nt_name;
1333     attr.SecurityDescriptor = NULL;
1334     attr.SecurityQualityOfService = NULL;
1335
1336     status = NtOpenFile( &handle, DELETE, &attr, &io,
1337                          FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
1338                          FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
1339     if (status == STATUS_SUCCESS)
1340         status = wine_nt_to_unix_file_name( &nt_name, &unix_name, FILE_OPEN, FALSE );
1341     RtlFreeUnicodeString( &nt_name );
1342
1343     if (status != STATUS_SUCCESS)
1344     {
1345         SetLastError( RtlNtStatusToDosError(status) );
1346         return FALSE;
1347     }
1348
1349     if (!(ret = (rmdir( unix_name.Buffer ) != -1))) FILE_SetDosError();
1350     RtlFreeAnsiString( &unix_name );
1351     NtClose( handle );
1352     return ret;
1353 }
1354
1355
1356 /***********************************************************************
1357  *           RemoveDirectoryA   (KERNEL32.@)
1358  */
1359 BOOL WINAPI RemoveDirectoryA( LPCSTR path )
1360 {
1361     WCHAR *pathW;
1362
1363     if (!(pathW = FILE_name_AtoW( path, FALSE ))) return FALSE;
1364     return RemoveDirectoryW( pathW );
1365 }
1366
1367
1368 /***********************************************************************
1369  *           GetCurrentDirectoryW   (KERNEL32.@)
1370  */
1371 UINT WINAPI GetCurrentDirectoryW( UINT buflen, LPWSTR buf )
1372 {
1373     return RtlGetCurrentDirectory_U( buflen * sizeof(WCHAR), buf ) / sizeof(WCHAR);
1374 }
1375
1376
1377 /***********************************************************************
1378  *           GetCurrentDirectoryA   (KERNEL32.@)
1379  */
1380 UINT WINAPI GetCurrentDirectoryA( UINT buflen, LPSTR buf )
1381 {
1382     WCHAR bufferW[MAX_PATH];
1383     DWORD ret;
1384
1385     if (buflen && buf && !HIWORD(buf))
1386     {
1387         /* Win9x catches access violations here, returning zero.
1388          * This behaviour resulted in some people not noticing
1389          * that they got the argument order wrong. So let's be
1390          * nice and fail gracefully if buf is invalid and looks
1391          * more like a buflen (which is probably MAX_PATH). */
1392         SetLastError(ERROR_INVALID_PARAMETER);
1393         return 0;
1394     }
1395
1396     ret = GetCurrentDirectoryW(MAX_PATH, bufferW);
1397
1398     if (!ret) return 0;
1399     if (ret > MAX_PATH)
1400     {
1401         SetLastError(ERROR_FILENAME_EXCED_RANGE);
1402         return 0;
1403     }
1404     return copy_filename_WtoA( bufferW, buf, buflen );
1405 }
1406
1407
1408 /***********************************************************************
1409  *           SetCurrentDirectoryW   (KERNEL32.@)
1410  */
1411 BOOL WINAPI SetCurrentDirectoryW( LPCWSTR dir )
1412 {
1413     UNICODE_STRING dirW;
1414     NTSTATUS status;
1415
1416     RtlInitUnicodeString( &dirW, dir );
1417     status = RtlSetCurrentDirectory_U( &dirW );
1418     if (status != STATUS_SUCCESS)
1419     {
1420         SetLastError( RtlNtStatusToDosError(status) );
1421         return FALSE;
1422     }
1423     return TRUE;
1424 }
1425
1426
1427 /***********************************************************************
1428  *           SetCurrentDirectoryA   (KERNEL32.@)
1429  */
1430 BOOL WINAPI SetCurrentDirectoryA( LPCSTR dir )
1431 {
1432     WCHAR *dirW;
1433
1434     if (!(dirW = FILE_name_AtoW( dir, FALSE ))) return FALSE;
1435     return SetCurrentDirectoryW( dirW );
1436 }
1437
1438
1439 /***********************************************************************
1440  *           GetWindowsDirectoryW   (KERNEL32.@)
1441  *
1442  * See comment for GetWindowsDirectoryA.
1443  */
1444 UINT WINAPI GetWindowsDirectoryW( LPWSTR path, UINT count )
1445 {
1446     UINT len = strlenW( DIR_Windows ) + 1;
1447     if (path && count >= len)
1448     {
1449         strcpyW( path, DIR_Windows );
1450         len--;
1451     }
1452     return len;
1453 }
1454
1455
1456 /***********************************************************************
1457  *           GetWindowsDirectoryA   (KERNEL32.@)
1458  *
1459  * Return value:
1460  * If buffer is large enough to hold full path and terminating '\0' character
1461  * function copies path to buffer and returns length of the path without '\0'.
1462  * Otherwise function returns required size including '\0' character and
1463  * does not touch the buffer.
1464  */
1465 UINT WINAPI GetWindowsDirectoryA( LPSTR path, UINT count )
1466 {
1467     return copy_filename_WtoA( DIR_Windows, path, count );
1468 }
1469
1470
1471 /***********************************************************************
1472  *           GetSystemWindowsDirectoryA   (KERNEL32.@) W2K, TS4.0SP4
1473  */
1474 UINT WINAPI GetSystemWindowsDirectoryA( LPSTR path, UINT count )
1475 {
1476     return GetWindowsDirectoryA( path, count );
1477 }
1478
1479
1480 /***********************************************************************
1481  *           GetSystemWindowsDirectoryW   (KERNEL32.@) W2K, TS4.0SP4
1482  */
1483 UINT WINAPI GetSystemWindowsDirectoryW( LPWSTR path, UINT count )
1484 {
1485     return GetWindowsDirectoryW( path, count );
1486 }
1487
1488
1489 /***********************************************************************
1490  *           GetSystemDirectoryW   (KERNEL32.@)
1491  *
1492  * See comment for GetWindowsDirectoryA.
1493  */
1494 UINT WINAPI GetSystemDirectoryW( LPWSTR path, UINT count )
1495 {
1496     UINT len = strlenW( DIR_System ) + 1;
1497     if (path && count >= len)
1498     {
1499         strcpyW( path, DIR_System );
1500         len--;
1501     }
1502     return len;
1503 }
1504
1505
1506 /***********************************************************************
1507  *           GetSystemDirectoryA   (KERNEL32.@)
1508  *
1509  * See comment for GetWindowsDirectoryA.
1510  */
1511 UINT WINAPI GetSystemDirectoryA( LPSTR path, UINT count )
1512 {
1513     return copy_filename_WtoA( DIR_System, path, count );
1514 }
1515
1516
1517 /***********************************************************************
1518  *           GetSystemWow64DirectoryW   (KERNEL32.@)
1519  *
1520  * As seen on MSDN
1521  * - On Win32 we should returns ERROR_CALL_NOT_IMPLEMENTED
1522  * - On Win64 we should returns the SysWow64 (system64) directory
1523  */
1524 UINT WINAPI GetSystemWow64DirectoryW( LPWSTR path, UINT count )
1525 {
1526     UINT len;
1527
1528     if (!DIR_SysWow64)
1529     {
1530         SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
1531         return 0;
1532     }
1533     len = strlenW( DIR_SysWow64 ) + 1;
1534     if (path && count >= len)
1535     {
1536         strcpyW( path, DIR_SysWow64 );
1537         len--;
1538     }
1539     return len;
1540 }
1541
1542
1543 /***********************************************************************
1544  *           GetSystemWow64DirectoryA   (KERNEL32.@)
1545  *
1546  * See comment for GetWindowsWow64DirectoryW.
1547  */
1548 UINT WINAPI GetSystemWow64DirectoryA( LPSTR path, UINT count )
1549 {
1550     if (!DIR_SysWow64)
1551     {
1552         SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
1553         return 0;
1554     }
1555     return copy_filename_WtoA( DIR_SysWow64, path, count );
1556 }
1557
1558
1559 /***********************************************************************
1560  *           Wow64EnableWow64FsRedirection   (KERNEL32.@)
1561  */
1562 BOOLEAN WINAPI Wow64EnableWow64FsRedirection( BOOLEAN enable )
1563 {
1564     NTSTATUS status = RtlWow64EnableFsRedirection( enable );
1565     if (status) SetLastError( RtlNtStatusToDosError(status) );
1566     return !status;
1567 }
1568
1569
1570 /***********************************************************************
1571  *           Wow64DisableWow64FsRedirection   (KERNEL32.@)
1572  */
1573 BOOL WINAPI Wow64DisableWow64FsRedirection( PVOID *old_value )
1574 {
1575     NTSTATUS status = RtlWow64EnableFsRedirectionEx( TRUE, (ULONG *)old_value );
1576     if (status) SetLastError( RtlNtStatusToDosError(status) );
1577     return !status;
1578 }
1579
1580
1581 /***********************************************************************
1582  *           Wow64RevertWow64FsRedirection   (KERNEL32.@)
1583  */
1584 BOOL WINAPI Wow64RevertWow64FsRedirection( PVOID old_value )
1585 {
1586     NTSTATUS status = RtlWow64EnableFsRedirection( !old_value );
1587     if (status) SetLastError( RtlNtStatusToDosError(status) );
1588     return !status;
1589 }
1590
1591
1592 /***********************************************************************
1593  *           NeedCurrentDirectoryForExePathW   (KERNEL32.@)
1594  */
1595 BOOL WINAPI NeedCurrentDirectoryForExePathW( LPCWSTR name )
1596 {
1597     static const WCHAR env_name[] = {'N','o','D','e','f','a','u','l','t',
1598                                      'C','u','r','r','e','n','t',
1599                                      'D','i','r','e','c','t','o','r','y',
1600                                      'I','n','E','x','e','P','a','t','h',0};
1601     WCHAR env_val;
1602
1603     /* MSDN mentions some 'registry location'. We do not use registry. */
1604     FIXME("(%s): partial stub\n", debugstr_w(name));
1605
1606     if (strchrW(name, '\\'))
1607         return TRUE;
1608
1609     /* Check the existence of the variable, not value */
1610     if (!GetEnvironmentVariableW( env_name, &env_val, 1 ))
1611         return TRUE;
1612
1613     return FALSE;
1614 }
1615
1616
1617 /***********************************************************************
1618  *           NeedCurrentDirectoryForExePathA   (KERNEL32.@)
1619  */
1620 BOOL WINAPI NeedCurrentDirectoryForExePathA( LPCSTR name )
1621 {
1622     WCHAR *nameW;
1623
1624     if (!(nameW = FILE_name_AtoW( name, FALSE ))) return TRUE;
1625     return NeedCurrentDirectoryForExePathW( nameW );
1626 }
1627
1628
1629 /***********************************************************************
1630  *           wine_get_unix_file_name (KERNEL32.@) Not a Windows API
1631  *
1632  * Return the full Unix file name for a given path.
1633  * Returned buffer must be freed by caller.
1634  */
1635 char * CDECL wine_get_unix_file_name( LPCWSTR dosW )
1636 {
1637     UNICODE_STRING nt_name;
1638     ANSI_STRING unix_name;
1639     NTSTATUS status;
1640
1641     if (!RtlDosPathNameToNtPathName_U( dosW, &nt_name, NULL, NULL )) return NULL;
1642     status = wine_nt_to_unix_file_name( &nt_name, &unix_name, FILE_OPEN_IF, FALSE );
1643     RtlFreeUnicodeString( &nt_name );
1644     if (status && status != STATUS_NO_SUCH_FILE)
1645     {
1646         SetLastError( RtlNtStatusToDosError( status ) );
1647         return NULL;
1648     }
1649     return unix_name.Buffer;
1650 }
1651
1652
1653 /***********************************************************************
1654  *           wine_get_dos_file_name (KERNEL32.@) Not a Windows API
1655  *
1656  * Return the full DOS file name for a given Unix path.
1657  * Returned buffer must be freed by caller.
1658  */
1659 WCHAR * CDECL wine_get_dos_file_name( LPCSTR str )
1660 {
1661     UNICODE_STRING nt_name;
1662     ANSI_STRING unix_name;
1663     NTSTATUS status;
1664     DWORD len;
1665
1666     RtlInitAnsiString( &unix_name, str );
1667     status = wine_unix_to_nt_file_name( &unix_name, &nt_name );
1668     if (status)
1669     {
1670         SetLastError( RtlNtStatusToDosError( status ) );
1671         return NULL;
1672     }
1673     /* get rid of the \??\ prefix */
1674     /* FIXME: should implement RtlNtPathNameToDosPathName and use that instead */
1675     len = nt_name.Length - 4 * sizeof(WCHAR);
1676     memmove( nt_name.Buffer, nt_name.Buffer + 4, len );
1677     nt_name.Buffer[len / sizeof(WCHAR)] = 0;
1678     return nt_name.Buffer;
1679 }