dlls/msvcrt/dir.c

   1 /*
   2  * msvcrt.dll drive/directory functions
   3  *
   4  * Copyright 1996,1998 Marcus Meissner
   5  * Copyright 1996 Jukka Iivonen
   6  * Copyright 1997,2000 Uwe Bonnes
   7  * Copyright 2000 Jon Griffiths
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include "config.h"
  25 #include "wine/port.h"
  26
  27 #include <stdarg.h>
  28 #include <time.h>
  29
  30 #include "windef.h"
  31 #include "winbase.h"
  32 #include "winternl.h"
  33 #include "wine/unicode.h"
  34 #include "msvcrt.h"
  35 #include "wine/debug.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
  38
  39 /* INTERNAL: Translate WIN32_FIND_DATAA to finddata_t  */
  40 static void msvcrt_fttofd( const WIN32_FIND_DATAA *fd, struct MSVCRT__finddata_t* ft)
  41 {
  42   DWORD dw;
  43
  44   if (fd->dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
  45     ft->attrib = 0;
  46   else
  47     ft->attrib = fd->dwFileAttributes;
  48
  49   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftCreationTime, &dw );
  50   ft->time_create = dw;
  51   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastAccessTime, &dw );
  52   ft->time_access = dw;
  53   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastWriteTime, &dw );
  54   ft->time_write = dw;
  55   ft->size = fd->nFileSizeLow;
  56   strcpy(ft->name, fd->cFileName);
  57 }
  58
  59 /* INTERNAL: Translate WIN32_FIND_DATAA to finddata32_t  */
  60 static void msvcrt_fttofd32( const WIN32_FIND_DATAA *fd, struct MSVCRT__finddata32_t* ft)
  61 {
  62   DWORD dw;
  63
  64   if (fd->dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
  65     ft->attrib = 0;
  66   else
  67     ft->attrib = fd->dwFileAttributes;
  68
  69   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftCreationTime, &dw );
  70   ft->time_create = dw;
  71   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastAccessTime, &dw );
  72   ft->time_access = dw;
  73   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastWriteTime, &dw );
  74   ft->time_write = dw;
  75   ft->size = fd->nFileSizeLow;
  76   strcpy(ft->name, fd->cFileName);
  77 }
  78
  79 /* INTERNAL: Translate WIN32_FIND_DATAW to wfinddata_t  */
  80 static void msvcrt_wfttofd( const WIN32_FIND_DATAW *fd, struct MSVCRT__wfinddata_t* ft)
  81 {
  82   DWORD dw;
  83
  84   if (fd->dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
  85     ft->attrib = 0;
  86   else
  87     ft->attrib = fd->dwFileAttributes;
  88
  89   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftCreationTime, &dw );
  90   ft->time_create = dw;
  91   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastAccessTime, &dw );
  92   ft->time_access = dw;
  93   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastWriteTime, &dw );
  94   ft->time_write = dw;
  95   ft->size = fd->nFileSizeLow;
  96   strcpyW(ft->name, fd->cFileName);
  97 }
  98
  99 /* INTERNAL: Translate WIN32_FIND_DATAA to finddatai64_t  */
 100 static void msvcrt_fttofdi64( const WIN32_FIND_DATAA *fd, struct MSVCRT__finddatai64_t* ft)
 101 {
 102   DWORD dw;
 103
 104   if (fd->dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
 105     ft->attrib = 0;
 106   else
 107     ft->attrib = fd->dwFileAttributes;
 108
 109   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftCreationTime, &dw );
 110   ft->time_create = dw;
 111   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastAccessTime, &dw );
 112   ft->time_access = dw;
 113   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastWriteTime, &dw );
 114   ft->time_write = dw;
 115   ft->size = ((__int64)fd->nFileSizeHigh) << 32 | fd->nFileSizeLow;
 116   strcpy(ft->name, fd->cFileName);
 117 }
 118
 119 /* INTERNAL: Translate WIN32_FIND_DATAA to finddata64_t  */
 120 static void msvcrt_fttofd64( const WIN32_FIND_DATAA *fd, struct MSVCRT__finddata64_t* ft)
 121 {
 122   DWORD dw;
 123
 124   if (fd->dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
 125     ft->attrib = 0;
 126   else
 127     ft->attrib = fd->dwFileAttributes;
 128
 129   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftCreationTime, &dw );
 130   ft->time_create = dw;
 131   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastAccessTime, &dw );
 132   ft->time_access = dw;
 133   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastWriteTime, &dw );
 134   ft->time_write = dw;
 135   ft->size = ((__int64)fd->nFileSizeHigh) << 32 | fd->nFileSizeLow;
 136   strcpy(ft->name, fd->cFileName);
 137 }
 138
 139 /* INTERNAL: Translate WIN32_FIND_DATAW to wfinddata64_t  */
 140 static void msvcrt_wfttofd64( const WIN32_FIND_DATAW *fd, struct MSVCRT__wfinddata64_t* ft)
 141 {
 142   DWORD dw;
 143
 144   if (fd->dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
 145     ft->attrib = 0;
 146   else
 147     ft->attrib = fd->dwFileAttributes;
 148
 149   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftCreationTime, &dw );
 150   ft->time_create = dw;
 151   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastAccessTime, &dw );
 152   ft->time_access = dw;
 153   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastWriteTime, &dw );
 154   ft->time_write = dw;
 155   ft->size = ((__int64)fd->nFileSizeHigh) << 32 | fd->nFileSizeLow;
 156   strcpyW(ft->name, fd->cFileName);
 157 }
 158
 159 /* INTERNAL: Translate WIN32_FIND_DATAA to finddata64i32_t  */
 160 static void msvcrt_fttofd64i32( const WIN32_FIND_DATAA *fd, struct MSVCRT__finddata64i32_t* ft)
 161 {
 162   DWORD dw;
 163
 164   if (fd->dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
 165     ft->attrib = 0;
 166   else
 167     ft->attrib = fd->dwFileAttributes;
 168
 169   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftCreationTime, &dw );
 170   ft->time_create = dw;
 171   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastAccessTime, &dw );
 172   ft->time_access = dw;
 173   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastWriteTime, &dw );
 174   ft->time_write = dw;
 175   ft->size = fd->nFileSizeLow;
 176   strcpy(ft->name, fd->cFileName);
 177 }
 178
 179 /* INTERNAL: Translate WIN32_FIND_DATAW to wfinddatai64_t  */
 180 static void msvcrt_wfttofdi64( const WIN32_FIND_DATAW *fd, struct MSVCRT__wfinddatai64_t* ft)
 181 {
 182   DWORD dw;
 183
 184   if (fd->dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
 185     ft->attrib = 0;
 186   else
 187     ft->attrib = fd->dwFileAttributes;
 188
 189   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftCreationTime, &dw );
 190   ft->time_create = dw;
 191   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastAccessTime, &dw );
 192   ft->time_access = dw;
 193   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastWriteTime, &dw );
 194   ft->time_write = dw;
 195   ft->size = ((__int64)fd->nFileSizeHigh) << 32 | fd->nFileSizeLow;
 196   strcpyW(ft->name, fd->cFileName);
 197 }
 198
 199 /* INTERNAL: Translate WIN32_FIND_DATAW to wfinddata64i32_t  */
 200 static void msvcrt_wfttofd64i32( const WIN32_FIND_DATAW *fd, struct MSVCRT__wfinddata64i32_t* ft)
 201 {
 202   DWORD dw;
 203
 204   if (fd->dwFileAttributes == FILE_ATTRIBUTE_NORMAL)
 205     ft->attrib = 0;
 206   else
 207     ft->attrib = fd->dwFileAttributes;
 208
 209   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftCreationTime, &dw );
 210   ft->time_create = dw;
 211   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastAccessTime, &dw );
 212   ft->time_access = dw;
 213   RtlTimeToSecondsSince1970( (const LARGE_INTEGER *)&fd->ftLastWriteTime, &dw );
 214   ft->time_write = dw;
 215   ft->size = fd->nFileSizeLow;
 216   strcpyW(ft->name, fd->cFileName);
 217 }
 218
 219 /*********************************************************************
 220  *              _chdir (MSVCRT.@)
 221  *
 222  * Change the current working directory.
 223  *
 224  * PARAMS
 225  *  newdir [I] Directory to change to
 226  *
 227  * RETURNS
 228  *  Success: 0. The current working directory is set to newdir.
 229  *  Failure: -1. errno indicates the error.
 230  *
 231  * NOTES
 232  *  See SetCurrentDirectoryA.
 233  */
 234 int CDECL MSVCRT__chdir(const char * newdir)
 235 {
 236   if (!SetCurrentDirectoryA(newdir))
 237   {
 238     msvcrt_set_errno(newdir?GetLastError():0);
 239     return -1;
 240   }
 241   return 0;
 242 }
 243
 244 /*********************************************************************
 245  *              _wchdir (MSVCRT.@)
 246  *
 247  * Unicode version of _chdir.
 248  */
 249 int CDECL MSVCRT__wchdir(const MSVCRT_wchar_t * newdir)
 250 {
 251   if (!SetCurrentDirectoryW(newdir))
 252   {
 253     msvcrt_set_errno(newdir?GetLastError():0);
 254     return -1;
 255   }
 256   return 0;
 257 }
 258
 259 /*********************************************************************
 260  *              _chdrive (MSVCRT.@)
 261  *
 262  * Change the current drive.
 263  *
 264  * PARAMS
 265  *  newdrive [I] Drive number to change to (1 = 'A', 2 = 'B', ...)
 266  *
 267  * RETURNS
 268  *  Success: 0. The current drive is set to newdrive.
 269  *  Failure: -1. errno indicates the error.
 270  *
 271  * NOTES
 272  *  See SetCurrentDirectoryA.
 273  */
 274 int CDECL MSVCRT__chdrive(int newdrive)
 275 {
 276   WCHAR buffer[] = {'A', ':', 0};
 277
 278   buffer[0] += newdrive - 1;
 279   if (!SetCurrentDirectoryW( buffer ))
 280   {
 281     msvcrt_set_errno(GetLastError());
 282     if (newdrive <= 0)
 283       *MSVCRT__errno() = MSVCRT_EACCES;
 284     return -1;
 285   }
 286   return 0;
 287 }
 288
 289 /*********************************************************************
 290  *              _findclose (MSVCRT.@)
 291  *
 292  * Close a handle returned by _findfirst().
 293  *
 294  * PARAMS
 295  *  hand [I] Handle to close
 296  *
 297  * RETURNS
 298  *  Success: 0. All resources associated with hand are freed.
 299  *  Failure: -1. errno indicates the error.
 300  *
 301  * NOTES
 302  *  See FindClose.
 303  */
 304 int CDECL MSVCRT__findclose(MSVCRT_intptr_t hand)
 305 {
 306   TRACE(":handle %ld\n",hand);
 307   if (!FindClose((HANDLE)hand))
 308   {
 309     msvcrt_set_errno(GetLastError());
 310     return -1;
 311   }
 312   return 0;
 313 }
 314
 315 /*********************************************************************
 316  *              _findfirst (MSVCRT.@)
 317  *
 318  * Open a handle for iterating through a directory.
 319  *
 320  * PARAMS
 321  *  fspec [I] File specification of files to iterate.
 322  *  ft    [O] Information for the first file found.
 323  *
 324  * RETURNS
 325  *  Success: A handle suitable for passing to _findnext() and _findclose().
 326  *           ft is populated with the details of the found file.
 327  *  Failure: -1. errno indicates the error.
 328  *
 329  * NOTES
 330  *  See FindFirstFileA.
 331  */
 332 MSVCRT_intptr_t CDECL MSVCRT__findfirst(const char * fspec, struct MSVCRT__finddata_t* ft)
 333 {
 334   WIN32_FIND_DATAA find_data;
 335   HANDLE hfind;
 336
 337   hfind  = FindFirstFileA(fspec, &find_data);
 338   if (hfind == INVALID_HANDLE_VALUE)
 339   {
 340     msvcrt_set_errno(GetLastError());
 341     return -1;
 342   }
 343   msvcrt_fttofd(&find_data,ft);
 344   TRACE(":got handle %p\n",hfind);
 345   return (MSVCRT_intptr_t)hfind;
 346 }
 347
 348 /*********************************************************************
 349  *              _findfirst32 (MSVCRT.@)
 350  */
 351 MSVCRT_intptr_t CDECL MSVCRT__findfirst32(const char * fspec, struct MSVCRT__finddata32_t* ft)
 352 {
 353   WIN32_FIND_DATAA find_data;
 354   HANDLE hfind;
 355
 356   hfind  = FindFirstFileA(fspec, &find_data);
 357   if (hfind == INVALID_HANDLE_VALUE)
 358   {
 359     msvcrt_set_errno(GetLastError());
 360     return -1;
 361   }
 362   msvcrt_fttofd32(&find_data, ft);
 363   TRACE(":got handle %p\n", hfind);
 364   return (MSVCRT_intptr_t)hfind;
 365 }
 366
 367 /*********************************************************************
 368  *              _wfindfirst (MSVCRT.@)
 369  *
 370  * Unicode version of _findfirst.
 371  */
 372 MSVCRT_intptr_t CDECL MSVCRT__wfindfirst(const MSVCRT_wchar_t * fspec, struct MSVCRT__wfinddata_t* ft)
 373 {
 374   WIN32_FIND_DATAW find_data;
 375   HANDLE hfind;
 376
 377   hfind  = FindFirstFileW(fspec, &find_data);
 378   if (hfind == INVALID_HANDLE_VALUE)
 379   {
 380     msvcrt_set_errno(GetLastError());
 381     return -1;
 382   }
 383   msvcrt_wfttofd(&find_data,ft);
 384   TRACE(":got handle %p\n",hfind);
 385   return (MSVCRT_intptr_t)hfind;
 386 }
 387
 388 /*********************************************************************
 389  *              _findfirsti64 (MSVCRT.@)
 390  *
 391  * 64-bit version of _findfirst.
 392  */
 393 MSVCRT_intptr_t CDECL MSVCRT__findfirsti64(const char * fspec, struct MSVCRT__finddatai64_t* ft)
 394 {
 395   WIN32_FIND_DATAA find_data;
 396   HANDLE hfind;
 397
 398   hfind  = FindFirstFileA(fspec, &find_data);
 399   if (hfind == INVALID_HANDLE_VALUE)
 400   {
 401     msvcrt_set_errno(GetLastError());
 402     return -1;
 403   }
 404   msvcrt_fttofdi64(&find_data,ft);
 405   TRACE(":got handle %p\n",hfind);
 406   return (MSVCRT_intptr_t)hfind;
 407 }
 408
 409 /*********************************************************************
 410  *              _findfirst64 (MSVCRT.@)
 411  *
 412  * 64-bit version of _findfirst.
 413  */
 414 MSVCRT_intptr_t CDECL MSVCRT__findfirst64(const char * fspec, struct MSVCRT__finddata64_t* ft)
 415 {
 416   WIN32_FIND_DATAA find_data;
 417   HANDLE hfind;
 418
 419   hfind  = FindFirstFileA(fspec, &find_data);
 420   if (hfind == INVALID_HANDLE_VALUE)
 421   {
 422     msvcrt_set_errno(GetLastError());
 423     return -1;
 424   }
 425   msvcrt_fttofd64(&find_data,ft);
 426   TRACE(":got handle %p\n",hfind);
 427   return (MSVCRT_intptr_t)hfind;
 428 }
 429
 430 /*********************************************************************
 431  *              _wfindfirst64 (MSVCRT.@)
 432  *
 433  * Unicode version of _findfirst64.
 434  */
 435 MSVCRT_intptr_t CDECL MSVCRT__wfindfirst64(const MSVCRT_wchar_t * fspec, struct MSVCRT__wfinddata64_t* ft)
 436 {
 437   WIN32_FIND_DATAW find_data;
 438   HANDLE hfind;
 439
 440   hfind  = FindFirstFileW(fspec, &find_data);
 441   if (hfind == INVALID_HANDLE_VALUE)
 442   {
 443     msvcrt_set_errno(GetLastError());
 444     return -1;
 445   }
 446   msvcrt_wfttofd64(&find_data,ft);
 447   TRACE(":got handle %p\n",hfind);
 448   return (MSVCRT_intptr_t)hfind;
 449 }
 450
 451 /*********************************************************************
 452  *              _findfirst64i32 (MSVCRT.@)
 453  *
 454  * 64-bit/32-bit version of _findfirst.
 455  */
 456 MSVCRT_intptr_t CDECL MSVCRT__findfirst64i32(const char * fspec, struct MSVCRT__finddata64i32_t* ft)
 457 {
 458   WIN32_FIND_DATAA find_data;
 459   HANDLE hfind;
 460
 461   hfind  = FindFirstFileA(fspec, &find_data);
 462   if (hfind == INVALID_HANDLE_VALUE)
 463   {
 464     msvcrt_set_errno(GetLastError());
 465     return -1;
 466   }
 467   msvcrt_fttofd64i32(&find_data,ft);
 468   TRACE(":got handle %p\n",hfind);
 469   return (MSVCRT_intptr_t)hfind;
 470 }
 471
 472 /*********************************************************************
 473  *              _wfindfirst64i32 (MSVCRT.@)
 474  *
 475  * Unicode version of _findfirst64i32.
 476  */
 477 MSVCRT_intptr_t CDECL MSVCRT__wfindfirst64i32(const MSVCRT_wchar_t * fspec, struct MSVCRT__wfinddata64i32_t* ft)
 478 {
 479   WIN32_FIND_DATAW find_data;
 480   HANDLE hfind;
 481
 482   hfind  = FindFirstFileW(fspec, &find_data);
 483   if (hfind == INVALID_HANDLE_VALUE)
 484   {
 485     msvcrt_set_errno(GetLastError());
 486     return -1;
 487   }
 488   msvcrt_wfttofd64i32(&find_data,ft);
 489   TRACE(":got handle %p\n",hfind);
 490   return (MSVCRT_intptr_t)hfind;
 491 }
 492
 493 /*********************************************************************
 494  *              _wfindfirsti64 (MSVCRT.@)
 495  *
 496  * Unicode version of _findfirsti64.
 497  */
 498 MSVCRT_intptr_t CDECL MSVCRT__wfindfirsti64(const MSVCRT_wchar_t * fspec, struct MSVCRT__wfinddatai64_t* ft)
 499 {
 500   WIN32_FIND_DATAW find_data;
 501   HANDLE hfind;
 502
 503   hfind  = FindFirstFileW(fspec, &find_data);
 504   if (hfind == INVALID_HANDLE_VALUE)
 505   {
 506     msvcrt_set_errno(GetLastError());
 507     return -1;
 508   }
 509   msvcrt_wfttofdi64(&find_data,ft);
 510   TRACE(":got handle %p\n",hfind);
 511   return (MSVCRT_intptr_t)hfind;
 512 }
 513
 514 /*********************************************************************
 515  *              _findnext (MSVCRT.@)
 516  *
 517  * Find the next file from a file search handle.
 518  *
 519  * PARAMS
 520  *  hand  [I] Handle to the search returned from _findfirst().
 521  *  ft    [O] Information for the file found.
 522  *
 523  * RETURNS
 524  *  Success: 0. ft is populated with the details of the found file.
 525  *  Failure: -1. errno indicates the error.
 526  *
 527  * NOTES
 528  *  See FindNextFileA.
 529  */
 530 int CDECL MSVCRT__findnext(MSVCRT_intptr_t hand, struct MSVCRT__finddata_t * ft)
 531 {
 532   WIN32_FIND_DATAA find_data;
 533
 534   if (!FindNextFileA((HANDLE)hand, &find_data))
 535   {
 536     *MSVCRT__errno() = MSVCRT_ENOENT;
 537     return -1;
 538   }
 539
 540   msvcrt_fttofd(&find_data,ft);
 541   return 0;
 542 }
 543
 544 /*********************************************************************
 545  *               _findnext32 (MSVCRT.@)
 546  */
 547 int CDECL MSVCRT__findnext32(MSVCRT_intptr_t hand, struct MSVCRT__finddata32_t * ft)
 548 {
 549   WIN32_FIND_DATAA find_data;
 550
 551   if (!FindNextFileA((HANDLE)hand, &find_data))
 552   {
 553     *MSVCRT__errno() = MSVCRT_ENOENT;
 554     return -1;
 555   }
 556
 557   msvcrt_fttofd32(&find_data, ft);
 558   return 0;
 559 }
 560
 561 /*********************************************************************
 562  *              _wfindnext (MSVCRT.@)
 563  *
 564  * Unicode version of _findnext.
 565  */
 566 int CDECL MSVCRT__wfindnext(MSVCRT_intptr_t hand, struct MSVCRT__wfinddata_t * ft)
 567 {
 568   WIN32_FIND_DATAW find_data;
 569
 570   if (!FindNextFileW((HANDLE)hand, &find_data))
 571   {
 572     *MSVCRT__errno() = MSVCRT_ENOENT;
 573     return -1;
 574   }
 575
 576   msvcrt_wfttofd(&find_data,ft);
 577   return 0;
 578 }
 579
 580 /*********************************************************************
 581  *              _findnexti64 (MSVCRT.@)
 582  *
 583  * 64-bit version of _findnext.
 584  */
 585 int CDECL MSVCRT__findnexti64(MSVCRT_intptr_t hand, struct MSVCRT__finddatai64_t * ft)
 586 {
 587   WIN32_FIND_DATAA find_data;
 588
 589   if (!FindNextFileA((HANDLE)hand, &find_data))
 590   {
 591     *MSVCRT__errno() = MSVCRT_ENOENT;
 592     return -1;
 593   }
 594
 595   msvcrt_fttofdi64(&find_data,ft);
 596   return 0;
 597 }
 598
 599 /*********************************************************************
 600  *              _findnext64 (MSVCRT.@)
 601  *
 602  * 64-bit version of _findnext.
 603  */
 604 int CDECL MSVCRT__findnext64(long hand, struct MSVCRT__finddata64_t * ft)
 605 {
 606   WIN32_FIND_DATAA find_data;
 607
 608   if (!FindNextFileA((HANDLE)hand, &find_data))
 609   {
 610     *MSVCRT__errno() = MSVCRT_ENOENT;
 611     return -1;
 612   }
 613
 614   msvcrt_fttofd64(&find_data,ft);
 615   return 0;
 616 }
 617
 618 /*********************************************************************
 619  *              _wfindnext64 (MSVCRT.@)
 620  *
 621  * Unicode version of _wfindnext64.
 622  */
 623 int CDECL MSVCRT__wfindnext64(MSVCRT_intptr_t hand, struct MSVCRT__wfinddata64_t * ft)
 624 {
 625   WIN32_FIND_DATAW find_data;
 626
 627   if (!FindNextFileW((HANDLE)hand, &find_data))
 628   {
 629     *MSVCRT__errno() = MSVCRT_ENOENT;
 630     return -1;
 631   }
 632
 633   msvcrt_wfttofd64(&find_data,ft);
 634   return 0;
 635 }
 636
 637 /*********************************************************************
 638  *              _findnext64i32 (MSVCRT.@)
 639  *
 640  * 64-bit/32-bit version of _findnext.
 641  */
 642 int CDECL MSVCRT__findnext64i32(long hand, struct MSVCRT__finddata64i32_t * ft)
 643 {
 644   WIN32_FIND_DATAA find_data;
 645
 646   if (!FindNextFileA((HANDLE)hand, &find_data))
 647   {
 648     *MSVCRT__errno() = MSVCRT_ENOENT;
 649     return -1;
 650   }
 651
 652   msvcrt_fttofd64i32(&find_data,ft);
 653   return 0;
 654 }
 655
 656 /*********************************************************************
 657  *              _wfindnexti64 (MSVCRT.@)
 658  *
 659  * Unicode version of _findnexti64.
 660  */
 661 int CDECL MSVCRT__wfindnexti64(MSVCRT_intptr_t hand, struct MSVCRT__wfinddatai64_t * ft)
 662 {
 663   WIN32_FIND_DATAW find_data;
 664
 665   if (!FindNextFileW((HANDLE)hand, &find_data))
 666   {
 667     *MSVCRT__errno() = MSVCRT_ENOENT;
 668     return -1;
 669   }
 670
 671   msvcrt_wfttofdi64(&find_data,ft);
 672   return 0;
 673 }
 674
 675 /*********************************************************************
 676  *              _wfindnext64i32 (MSVCRT.@)
 677  *
 678  * Unicode version of _findnext64i32.
 679  */
 680 int CDECL MSVCRT__wfindnext64i32(MSVCRT_intptr_t hand, struct MSVCRT__wfinddata64i32_t * ft)
 681 {
 682   WIN32_FIND_DATAW find_data;
 683
 684   if (!FindNextFileW((HANDLE)hand, &find_data))
 685   {
 686     *MSVCRT__errno() = MSVCRT_ENOENT;
 687     return -1;
 688   }
 689
 690   msvcrt_wfttofd64i32(&find_data,ft);
 691   return 0;
 692 }
 693
 694 /*********************************************************************
 695  *              _getcwd (MSVCRT.@)
 696  *
 697  * Get the current working directory.
 698  *
 699  * PARAMS
 700  *  buf  [O] Destination for current working directory.
 701  *  size [I] Size of buf in characters
 702  *
 703  * RETURNS
 704  * Success: If buf is NULL, returns an allocated string containing the path.
 705  *          Otherwise populates buf with the path and returns it.
 706  * Failure: NULL. errno indicates the error.
 707  */
 708 char* CDECL MSVCRT__getcwd(char * buf, int size)
 709 {
 710   char dir[MAX_PATH];
 711   int dir_len = GetCurrentDirectoryA(MAX_PATH,dir);
 712
 713   if (dir_len < 1)
 714     return NULL; /* FIXME: Real return value untested */
 715
 716   if (!buf)
 717   {
 718       if (size <= dir_len) size = dir_len + 1;
 719       if (!(buf = MSVCRT_malloc( size ))) return NULL;
 720   }
 721   else if (dir_len >= size)
 722   {
 723     *MSVCRT__errno() = MSVCRT_ERANGE;
 724     return NULL; /* buf too small */
 725   }
 726   strcpy(buf,dir);
 727   return buf;
 728 }
 729
 730 /*********************************************************************
 731  *              _wgetcwd (MSVCRT.@)
 732  *
 733  * Unicode version of _getcwd.
 734  */
 735 MSVCRT_wchar_t* CDECL MSVCRT__wgetcwd(MSVCRT_wchar_t * buf, int size)
 736 {
 737   MSVCRT_wchar_t dir[MAX_PATH];
 738   int dir_len = GetCurrentDirectoryW(MAX_PATH,dir);
 739
 740   if (dir_len < 1)
 741     return NULL; /* FIXME: Real return value untested */
 742
 743   if (!buf)
 744   {
 745       if (size <= dir_len) size = dir_len + 1;
 746       if (!(buf = MSVCRT_malloc( size * sizeof(WCHAR) ))) return NULL;
 747   }
 748   if (dir_len >= size)
 749   {
 750     *MSVCRT__errno() = MSVCRT_ERANGE;
 751     return NULL; /* buf too small */
 752   }
 753   strcpyW(buf,dir);
 754   return buf;
 755 }
 756
 757 /*********************************************************************
 758  *              _getdrive (MSVCRT.@)
 759  *
 760  * Get the current drive number.
 761  *
 762  * PARAMS
 763  *  None.
 764  *
 765  * RETURNS
 766  *  Success: The drive letter number from 1 to 26 ("A:" to "Z:").
 767  *  Failure: 0.
 768  */
 769 int CDECL MSVCRT__getdrive(void)
 770 {
 771     WCHAR buffer[MAX_PATH];
 772     if (GetCurrentDirectoryW( MAX_PATH, buffer ) &&
 773         buffer[0] >= 'A' && buffer[0] <= 'z' && buffer[1] == ':')
 774         return toupperW(buffer[0]) - 'A' + 1;
 775     return 0;
 776 }
 777
 778 /*********************************************************************
 779  *              _getdcwd (MSVCRT.@)
 780  *
 781  * Get the current working directory on a given disk.
 782  *
 783  * PARAMS
 784  *  drive [I] Drive letter to get the current working directory from.
 785  *  buf   [O] Destination for the current working directory.
 786  *  size  [I] Length of drive in characters.
 787  *
 788  * RETURNS
 789  *  Success: If drive is NULL, returns an allocated string containing the path.
 790  *           Otherwise populates drive with the path and returns it.
 791  *  Failure: NULL. errno indicates the error.
 792  */
 793 char* CDECL MSVCRT__getdcwd(int drive, char * buf, int size)
 794 {
 795   static char* dummy;
 796
 797   TRACE(":drive %d(%c), size %d\n",drive, drive + 'A' - 1, size);
 798
 799   if (!drive || drive == MSVCRT__getdrive())
 800     return MSVCRT__getcwd(buf,size); /* current */
 801   else
 802   {
 803     char dir[MAX_PATH];
 804     char drivespec[] = {'A', ':', 0};
 805     int dir_len;
 806
 807     drivespec[0] += drive - 1;
 808     if (GetDriveTypeA(drivespec) < DRIVE_REMOVABLE)
 809     {
 810       *MSVCRT__errno() = MSVCRT_EACCES;
 811       return NULL;
 812     }
 813
 814     dir_len = GetFullPathNameA(drivespec,MAX_PATH,dir,&dummy);
 815     if (dir_len >= size || dir_len < 1)
 816     {
 817       *MSVCRT__errno() = MSVCRT_ERANGE;
 818       return NULL; /* buf too small */
 819     }
 820
 821     TRACE(":returning '%s'\n", dir);
 822     if (!buf)
 823       return MSVCRT__strdup(dir); /* allocate */
 824
 825     strcpy(buf,dir);
 826   }
 827   return buf;
 828 }
 829
 830 /*********************************************************************
 831  *              _wgetdcwd (MSVCRT.@)
 832  *
 833  * Unicode version of _wgetdcwd.
 834  */
 835 MSVCRT_wchar_t* CDECL MSVCRT__wgetdcwd(int drive, MSVCRT_wchar_t * buf, int size)
 836 {
 837   static MSVCRT_wchar_t* dummy;
 838
 839   TRACE(":drive %d(%c), size %d\n",drive, drive + 'A' - 1, size);
 840
 841   if (!drive || drive == MSVCRT__getdrive())
 842     return MSVCRT__wgetcwd(buf,size); /* current */
 843   else
 844   {
 845     MSVCRT_wchar_t dir[MAX_PATH];
 846     MSVCRT_wchar_t drivespec[4] = {'A', ':', '\\', 0};
 847     int dir_len;
 848
 849     drivespec[0] += drive - 1;
 850     if (GetDriveTypeW(drivespec) < DRIVE_REMOVABLE)
 851     {
 852       *MSVCRT__errno() = MSVCRT_EACCES;
 853       return NULL;
 854     }
 855
 856     dir_len = GetFullPathNameW(drivespec,MAX_PATH,dir,&dummy);
 857     if (dir_len >= size || dir_len < 1)
 858     {
 859       *MSVCRT__errno() = MSVCRT_ERANGE;
 860       return NULL; /* buf too small */
 861     }
 862
 863     TRACE(":returning %s\n", debugstr_w(dir));
 864     if (!buf)
 865       return MSVCRT__wcsdup(dir); /* allocate */
 866     strcpyW(buf,dir);
 867   }
 868   return buf;
 869 }
 870
 871 /*********************************************************************
 872  *              _getdiskfree (MSVCRT.@)
 873  *
 874  * Get information about the free space on a drive.
 875  *
 876  * PARAMS
 877  *  disk [I] Drive number to get information about (1 = 'A', 2 = 'B', ...)
 878  *  info [O] Destination for the resulting information.
 879  *
 880  * RETURNS
 881  *  Success: 0. info is updated with the free space information.
 882  *  Failure: An error code from GetLastError().
 883  *
 884  * NOTES
 885  *  See GetLastError().
 886  */
 887 unsigned int CDECL MSVCRT__getdiskfree(unsigned int disk, struct MSVCRT__diskfree_t * d)
 888 {
 889   WCHAR drivespec[] = {'@', ':', '\\', 0};
 890   DWORD ret[4];
 891   unsigned int err;
 892
 893   if (disk > 26)
 894     return ERROR_INVALID_PARAMETER; /* MSVCRT doesn't set errno here */
 895
 896   drivespec[0] += disk; /* make a drive letter */
 897
 898   if (GetDiskFreeSpaceW(disk==0?NULL:drivespec,ret,ret+1,ret+2,ret+3))
 899   {
 900     d->sectors_per_cluster = ret[0];
 901     d->bytes_per_sector = ret[1];
 902     d->avail_clusters = ret[2];
 903     d->total_clusters = ret[3];
 904     return 0;
 905   }
 906   err = GetLastError();
 907   msvcrt_set_errno(err);
 908   return err;
 909 }
 910
 911 /*********************************************************************
 912  *              _mkdir (MSVCRT.@)
 913  *
 914  * Create a directory.
 915  *
 916  * PARAMS
 917  *  newdir [I] Name of directory to create.
 918  *
 919  * RETURNS
 920  *  Success: 0. The directory indicated by newdir is created.
 921  *  Failure: -1. errno indicates the error.
 922  *
 923  * NOTES
 924  *  See CreateDirectoryA.
 925  */
 926 int CDECL MSVCRT__mkdir(const char * newdir)
 927 {
 928   if (CreateDirectoryA(newdir,NULL))
 929     return 0;
 930   msvcrt_set_errno(GetLastError());
 931   return -1;
 932 }
 933
 934 /*********************************************************************
 935  *              _wmkdir (MSVCRT.@)
 936  *
 937  * Unicode version of _mkdir.
 938  */
 939 int CDECL MSVCRT__wmkdir(const MSVCRT_wchar_t* newdir)
 940 {
 941   if (CreateDirectoryW(newdir,NULL))
 942     return 0;
 943   msvcrt_set_errno(GetLastError());
 944   return -1;
 945 }
 946
 947 /*********************************************************************
 948  *              _rmdir (MSVCRT.@)
 949  *
 950  * Delete a directory.
 951  *
 952  * PARAMS
 953  *  dir [I] Name of directory to delete.
 954  *
 955  * RETURNS
 956  *  Success: 0. The directory indicated by newdir is deleted.
 957  *  Failure: -1. errno indicates the error.
 958  *
 959  * NOTES
 960  *  See RemoveDirectoryA.
 961  */
 962 int CDECL MSVCRT__rmdir(const char * dir)
 963 {
 964   if (RemoveDirectoryA(dir))
 965     return 0;
 966   msvcrt_set_errno(GetLastError());
 967   return -1;
 968 }
 969
 970 /*********************************************************************
 971  *              _wrmdir (MSVCRT.@)
 972  *
 973  * Unicode version of _rmdir.
 974  */
 975 int CDECL MSVCRT__wrmdir(const MSVCRT_wchar_t * dir)
 976 {
 977   if (RemoveDirectoryW(dir))
 978     return 0;
 979   msvcrt_set_errno(GetLastError());
 980   return -1;
 981 }
 982
 983 /******************************************************************
 984  *              _splitpath_s (MSVCRT.@)
 985  */
 986 int CDECL _splitpath_s(const char* inpath,
 987         char* drive, MSVCRT_size_t sz_drive,
 988         char* dir, MSVCRT_size_t sz_dir,
 989         char* fname, MSVCRT_size_t sz_fname,
 990         char* ext, MSVCRT_size_t sz_ext)
 991 {
 992     const char *p, *end;
 993
 994     if (!inpath || (!drive && sz_drive) ||
 995             (drive && !sz_drive) ||
 996             (!dir && sz_dir) ||
 997             (dir && !sz_dir) ||
 998             (!fname && sz_fname) ||
 999             (fname && !sz_fname) ||
1000             (!ext && sz_ext) ||
1001             (ext && !sz_ext))
1002     {
1003         *MSVCRT__errno() = MSVCRT_EINVAL;
1004         return MSVCRT_EINVAL;
1005     }
1006
1007     if (inpath[0] && inpath[1] == ':')
1008     {
1009         if (drive)
1010         {
1011             if (sz_drive <= 2) goto do_error;
1012             drive[0] = inpath[0];
1013             drive[1] = inpath[1];
1014             drive[2] = 0;
1015         }
1016         inpath += 2;
1017     }
1018     else if (drive) drive[0] = '\0';
1019
1020     /* look for end of directory part */
1021     end = NULL;
1022     for (p = inpath; *p; p++) if (*p == '/' || *p == '\\') end = p + 1;
1023
1024     if (end)  /* got a directory */
1025     {
1026         if (dir)
1027         {
1028             if (sz_dir <= end - inpath) goto do_error;
1029             memcpy( dir, inpath, (end - inpath) );
1030             dir[end - inpath] = 0;
1031         }
1032         inpath = end;
1033     }
1034     else if (dir) dir[0] = 0;
1035
1036     /* look for extension: what's after the last dot */
1037     end = NULL;
1038     for (p = inpath; *p; p++) if (*p == '.') end = p;
1039
1040     if (!end) end = p; /* there's no extension */
1041
1042     if (fname)
1043     {
1044         if (sz_fname <= end - inpath) goto do_error;
1045         memcpy( fname, inpath, (end - inpath) );
1046         fname[end - inpath] = 0;
1047     }
1048     if (ext)
1049     {
1050         if (sz_ext <= strlen(end)) goto do_error;
1051         strcpy( ext, end );
1052     }
1053     return 0;
1054 do_error:
1055     if (drive)  drive[0] = '\0';
1056     if (dir)    dir[0] = '\0';
1057     if (fname)  fname[0]= '\0';
1058     if (ext)    ext[0]= '\0';
1059     *MSVCRT__errno() = MSVCRT_ERANGE;
1060     return MSVCRT_ERANGE;
1061 }
1062
1063 /*********************************************************************
1064  *              _splitpath (MSVCRT.@)
1065  */
1066 void CDECL _splitpath(const char *inpath, char *drv, char *dir,
1067         char *fname, char *ext)
1068 {
1069     _splitpath_s(inpath, drv, drv?MSVCRT__MAX_DRIVE:0, dir, dir?MSVCRT__MAX_DIR:0,
1070             fname, fname?MSVCRT__MAX_FNAME:0, ext, ext?MSVCRT__MAX_EXT:0);
1071 }
1072
1073 /******************************************************************
1074  *              _wsplitpath_s (MSVCRT.@)
1075  *
1076  * Secure version of _wsplitpath
1077  */
1078 int CDECL _wsplitpath_s(const MSVCRT_wchar_t* inpath,
1079                   MSVCRT_wchar_t* drive, MSVCRT_size_t sz_drive,
1080                   MSVCRT_wchar_t* dir, MSVCRT_size_t sz_dir,
1081                   MSVCRT_wchar_t* fname, MSVCRT_size_t sz_fname,
1082                   MSVCRT_wchar_t* ext, MSVCRT_size_t sz_ext)
1083 {
1084     const MSVCRT_wchar_t *p, *end;
1085
1086     if (!inpath || (!drive && sz_drive) ||
1087             (drive && !sz_drive) ||
1088             (!dir && sz_dir) ||
1089             (dir && !sz_dir) ||
1090             (!fname && sz_fname) ||
1091             (fname && !sz_fname) ||
1092             (!ext && sz_ext) ||
1093             (ext && !sz_ext))
1094     {
1095         *MSVCRT__errno() = MSVCRT_EINVAL;
1096         return MSVCRT_EINVAL;
1097     }
1098
1099     if (inpath[0] && inpath[1] == ':')
1100     {
1101         if (drive)
1102         {
1103             if (sz_drive <= 2) goto do_error;
1104             drive[0] = inpath[0];
1105             drive[1] = inpath[1];
1106             drive[2] = 0;
1107         }
1108         inpath += 2;
1109     }
1110     else if (drive) drive[0] = '\0';
1111
1112     /* look for end of directory part */
1113     end = NULL;
1114     for (p = inpath; *p; p++) if (*p == '/' || *p == '\\') end = p + 1;
1115
1116     if (end)  /* got a directory */
1117     {
1118         if (dir)
1119         {
1120             if (sz_dir <= end - inpath) goto do_error;
1121             memcpy( dir, inpath, (end - inpath) * sizeof(MSVCRT_wchar_t) );
1122             dir[end - inpath] = 0;
1123         }
1124         inpath = end;
1125     }
1126     else if (dir) dir[0] = 0;
1127
1128     /* look for extension: what's after the last dot */
1129     end = NULL;
1130     for (p = inpath; *p; p++) if (*p == '.') end = p;
1131
1132     if (!end) end = p; /* there's no extension */
1133
1134     if (fname)
1135     {
1136         if (sz_fname <= end - inpath) goto do_error;
1137         memcpy( fname, inpath, (end - inpath) * sizeof(MSVCRT_wchar_t) );
1138         fname[end - inpath] = 0;
1139     }
1140     if (ext)
1141     {
1142         if (sz_ext <= strlenW(end)) goto do_error;
1143         strcpyW( ext, end );
1144     }
1145     return 0;
1146 do_error:
1147     if (drive)  drive[0] = '\0';
1148     if (dir)    dir[0] = '\0';
1149     if (fname)  fname[0]= '\0';
1150     if (ext)    ext[0]= '\0';
1151     *MSVCRT__errno() = MSVCRT_ERANGE;
1152     return MSVCRT_ERANGE;
1153 }
1154
1155 /*********************************************************************
1156  *              _wsplitpath (MSVCRT.@)
1157  *
1158  * Unicode version of _splitpath.
1159  */
1160 void CDECL _wsplitpath(const MSVCRT_wchar_t *inpath, MSVCRT_wchar_t *drv, MSVCRT_wchar_t *dir,
1161         MSVCRT_wchar_t *fname, MSVCRT_wchar_t *ext)
1162 {
1163     _wsplitpath_s(inpath, drv, drv?MSVCRT__MAX_DRIVE:0, dir, dir?MSVCRT__MAX_DIR:0,
1164             fname, fname?MSVCRT__MAX_FNAME:0, ext, ext?MSVCRT__MAX_EXT:0);
1165 }
1166
1167 /*********************************************************************
1168  *              _wfullpath (MSVCRT.@)
1169  *
1170  * Unicode version of _fullpath.
1171  */
1172 MSVCRT_wchar_t * CDECL _wfullpath(MSVCRT_wchar_t * absPath, const MSVCRT_wchar_t* relPath, MSVCRT_size_t size)
1173 {
1174   DWORD rc;
1175   WCHAR* buffer;
1176   WCHAR* lastpart;
1177   BOOL alloced = FALSE;
1178
1179   if (!relPath || !*relPath)
1180     return MSVCRT__wgetcwd(absPath, size);
1181
1182   if (absPath == NULL)
1183   {
1184       buffer = MSVCRT_malloc(MAX_PATH * sizeof(WCHAR));
1185       size = MAX_PATH;
1186       alloced = TRUE;
1187   }
1188   else
1189       buffer = absPath;
1190
1191   if (size < 4)
1192   {
1193     *MSVCRT__errno() = MSVCRT_ERANGE;
1194     return NULL;
1195   }
1196
1197   TRACE(":resolving relative path %s\n",debugstr_w(relPath));
1198
1199   rc = GetFullPathNameW(relPath,size,buffer,&lastpart);
1200
1201   if (rc > 0 && rc <= size )
1202     return buffer;
1203   else
1204   {
1205       if (alloced)
1206           MSVCRT_free(buffer);
1207         return NULL;
1208   }
1209 }
1210
1211 /*********************************************************************
1212  *              _fullpath (MSVCRT.@)
1213  *
1214  * Create an absolute path from a relative path.
1215  *
1216  * PARAMS
1217  *  absPath [O] Destination for absolute path
1218  *  relPath [I] Relative path to convert to absolute
1219  *  size    [I] Length of absPath in characters.
1220  *
1221  * RETURNS
1222  * Success: If absPath is NULL, returns an allocated string containing the path.
1223  *          Otherwise populates absPath with the path and returns it.
1224  * Failure: NULL. errno indicates the error.
1225  */
1226 char * CDECL _fullpath(char * absPath, const char* relPath, unsigned int size)
1227 {
1228   DWORD rc;
1229   char* lastpart;
1230   char* buffer;
1231   BOOL alloced = FALSE;
1232
1233   if (!relPath || !*relPath)
1234     return MSVCRT__getcwd(absPath, size);
1235
1236   if (absPath == NULL)
1237   {
1238       buffer = MSVCRT_malloc(MAX_PATH);
1239       size = MAX_PATH;
1240       alloced = TRUE;
1241   }
1242   else
1243       buffer = absPath;
1244
1245   if (size < 4)
1246   {
1247     *MSVCRT__errno() = MSVCRT_ERANGE;
1248     return NULL;
1249   }
1250
1251   TRACE(":resolving relative path '%s'\n",relPath);
1252
1253   rc = GetFullPathNameA(relPath,size,buffer,&lastpart);
1254
1255   if (rc > 0 && rc <= size)
1256     return buffer;
1257   else
1258   {
1259       if (alloced)
1260           MSVCRT_free(buffer);
1261         return NULL;
1262   }
1263 }
1264
1265 /*********************************************************************
1266  *              _makepath (MSVCRT.@)
1267  *
1268  * Create a pathname.
1269  *
1270  * PARAMS
1271  *  path      [O] Destination for created pathname
1272  *  drive     [I] Drive letter (e.g. "A:")
1273  *  directory [I] Directory
1274  *  filename  [I] Name of the file, excluding extension
1275  *  extension [I] File extension (e.g. ".TXT")
1276  *
1277  * RETURNS
1278  *  Nothing. If path is not large enough to hold the resulting pathname,
1279  *  random process memory will be overwritten.
1280  */
1281 VOID CDECL _makepath(char * path, const char * drive,
1282                      const char *directory, const char * filename,
1283                      const char * extension)
1284 {
1285     char *p = path;
1286
1287     TRACE("(%s %s %s %s)\n", debugstr_a(drive), debugstr_a(directory),
1288           debugstr_a(filename), debugstr_a(extension) );
1289
1290     if ( !path )
1291         return;
1292
1293     if (drive && drive[0])
1294     {
1295         *p++ = drive[0];
1296         *p++ = ':';
1297     }
1298     if (directory && directory[0])
1299     {
1300         unsigned int len = strlen(directory);
1301         memmove(p, directory, len);
1302         p += len;
1303         if (p[-1] != '/' && p[-1] != '\\')
1304             *p++ = '\\';
1305     }
1306     if (filename && filename[0])
1307     {
1308         unsigned int len = strlen(filename);
1309         memmove(p, filename, len);
1310         p += len;
1311     }
1312     if (extension && extension[0])
1313     {
1314         if (extension[0] != '.')
1315             *p++ = '.';
1316         strcpy(p, extension);
1317     }
1318     else
1319         *p = '\0';
1320     TRACE("returning %s\n",path);
1321 }
1322
1323 /*********************************************************************
1324  *              _wmakepath (MSVCRT.@)
1325  *
1326  * Unicode version of _wmakepath.
1327  */
1328 VOID CDECL _wmakepath(MSVCRT_wchar_t *path, const MSVCRT_wchar_t *drive, const MSVCRT_wchar_t *directory,
1329                       const MSVCRT_wchar_t *filename, const MSVCRT_wchar_t *extension)
1330 {
1331     MSVCRT_wchar_t *p = path;
1332
1333     TRACE("%s %s %s %s\n", debugstr_w(drive), debugstr_w(directory),
1334           debugstr_w(filename), debugstr_w(extension));
1335
1336     if ( !path )
1337         return;
1338
1339     if (drive && drive[0])
1340     {
1341         *p++ = drive[0];
1342         *p++ = ':';
1343     }
1344     if (directory && directory[0])
1345     {
1346         unsigned int len = strlenW(directory);
1347         memmove(p, directory, len * sizeof(MSVCRT_wchar_t));
1348         p += len;
1349         if (p[-1] != '/' && p[-1] != '\\')
1350             *p++ = '\\';
1351     }
1352     if (filename && filename[0])
1353     {
1354         unsigned int len = strlenW(filename);
1355         memmove(p, filename, len * sizeof(MSVCRT_wchar_t));
1356         p += len;
1357     }
1358     if (extension && extension[0])
1359     {
1360         if (extension[0] != '.')
1361             *p++ = '.';
1362         strcpyW(p, extension);
1363     }
1364     else
1365         *p = '\0';
1366
1367     TRACE("returning %s\n", debugstr_w(path));
1368 }
1369
1370 /*********************************************************************
1371  *              _makepath_s (MSVCRT.@)
1372  *
1373  * Safe version of _makepath.
1374  */
1375 int CDECL _makepath_s(char *path, MSVCRT_size_t size, const char *drive,
1376                       const char *directory, const char *filename,
1377                       const char *extension)
1378 {
1379     char *p = path;
1380
1381     if (!path || !size)
1382     {
1383         *MSVCRT__errno() = MSVCRT_EINVAL;
1384         return MSVCRT_EINVAL;
1385     }
1386
1387     if (drive && drive[0])
1388     {
1389         if (size <= 2)
1390             goto range;
1391
1392         *p++ = drive[0];
1393         *p++ = ':';
1394         size -= 2;
1395     }
1396
1397     if (directory && directory[0])
1398     {
1399         unsigned int len = strlen(directory);
1400         unsigned int needs_separator = directory[len - 1] != '/' && directory[len - 1] != '\\';
1401         unsigned int copylen = min(size - 1, len);
1402
1403         if (size < 2)
1404             goto range;
1405
1406         memmove(p, directory, copylen);
1407
1408         if (size <= len)
1409             goto range;
1410
1411         p += copylen;
1412         size -= copylen;
1413
1414         if (needs_separator)
1415         {
1416             if (size < 2)
1417                 goto range;
1418
1419             *p++ = '\\';
1420             size -= 1;
1421         }
1422     }
1423
1424     if (filename && filename[0])
1425     {
1426         unsigned int len = strlen(filename);
1427         unsigned int copylen = min(size - 1, len);
1428
1429         if (size < 2)
1430             goto range;
1431
1432         memmove(p, filename, copylen);
1433
1434         if (size <= len)
1435             goto range;
1436
1437         p += len;
1438         size -= len;
1439     }
1440
1441     if (extension && extension[0])
1442     {
1443         unsigned int len = strlen(extension);
1444         unsigned int needs_period = extension[0] != '.';
1445         unsigned int copylen;
1446
1447         if (size < 2)
1448             goto range;
1449
1450         if (needs_period)
1451         {
1452             *p++ = '.';
1453             size -= 1;
1454         }
1455
1456         copylen = min(size - 1, len);
1457         memcpy(p, extension, copylen);
1458
1459         if (size <= len)
1460             goto range;
1461
1462         p += copylen;
1463     }
1464
1465     *p = '\0';
1466     return 0;
1467
1468 range:
1469     path[0] = '\0';
1470     *MSVCRT__errno() = MSVCRT_ERANGE;
1471     return MSVCRT_ERANGE;
1472 }
1473
1474 /*********************************************************************
1475  *              _wmakepath_s (MSVCRT.@)
1476  *
1477  * Safe version of _wmakepath.
1478  */
1479 int CDECL _wmakepath_s(MSVCRT_wchar_t *path, MSVCRT_size_t size, const MSVCRT_wchar_t *drive,
1480                        const MSVCRT_wchar_t *directory, const MSVCRT_wchar_t *filename,
1481                        const MSVCRT_wchar_t *extension)
1482 {
1483     MSVCRT_wchar_t *p = path;
1484
1485     if (!path || !size)
1486     {
1487         *MSVCRT__errno() = MSVCRT_EINVAL;
1488         return MSVCRT_EINVAL;
1489     }
1490
1491     if (drive && drive[0])
1492     {
1493         if (size <= 2)
1494             goto range;
1495
1496         *p++ = drive[0];
1497         *p++ = ':';
1498         size -= 2;
1499     }
1500
1501     if (directory && directory[0])
1502     {
1503         unsigned int len = strlenW(directory);
1504         unsigned int needs_separator = directory[len - 1] != '/' && directory[len - 1] != '\\';
1505         unsigned int copylen = min(size - 1, len);
1506
1507         if (size < 2)
1508             goto range;
1509
1510         memmove(p, directory, copylen * sizeof(MSVCRT_wchar_t));
1511
1512         if (size <= len)
1513             goto range;
1514
1515         p += copylen;
1516         size -= copylen;
1517
1518         if (needs_separator)
1519         {
1520             if (size < 2)
1521                 goto range;
1522
1523             *p++ = '\\';
1524             size -= 1;
1525         }
1526     }
1527
1528     if (filename && filename[0])
1529     {
1530         unsigned int len = strlenW(filename);
1531         unsigned int copylen = min(size - 1, len);
1532
1533         if (size < 2)
1534             goto range;
1535
1536         memmove(p, filename, copylen * sizeof(MSVCRT_wchar_t));
1537
1538         if (size <= len)
1539             goto range;
1540
1541         p += len;
1542         size -= len;
1543     }
1544
1545     if (extension && extension[0])
1546     {
1547         unsigned int len = strlenW(extension);
1548         unsigned int needs_period = extension[0] != '.';
1549         unsigned int copylen;
1550
1551         if (size < 2)
1552             goto range;
1553
1554         if (needs_period)
1555         {
1556             *p++ = '.';
1557             size -= 1;
1558         }
1559
1560         copylen = min(size - 1, len);
1561         memcpy(p, extension, copylen * sizeof(MSVCRT_wchar_t));
1562
1563         if (size <= len)
1564             goto range;
1565
1566         p += copylen;
1567     }
1568
1569     *p = '\0';
1570     return 0;
1571
1572 range:
1573     path[0] = '\0';
1574     *MSVCRT__errno() = MSVCRT_ERANGE;
1575     return MSVCRT_ERANGE;
1576 }
1577
1578 /*********************************************************************
1579  *              _searchenv (MSVCRT.@)
1580  *
1581  * Search for a file in a list of paths from an environment variable.
1582  *
1583  * PARAMS
1584  *  file   [I] Name of the file to search for.
1585  *  env    [I] Name of the environment variable containing a list of paths.
1586  *  buf    [O] Destination for the found file path.
1587  *
1588  * RETURNS
1589  *  Nothing. If the file is not found, buf will contain an empty string
1590  *  and errno is set.
1591  */
1592 void CDECL MSVCRT__searchenv(const char* file, const char* env, char *buf)
1593 {
1594   char*envVal, *penv;
1595   char curPath[MAX_PATH];
1596
1597   *buf = '\0';
1598
1599   /* Try CWD first */
1600   if (GetFileAttributesA( file ) != INVALID_FILE_ATTRIBUTES)
1601   {
1602     GetFullPathNameA( file, MAX_PATH, buf, NULL );
1603     /* Sigh. This error is *always* set, regardless of success */
1604     msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
1605     return;
1606   }
1607
1608   /* Search given environment variable */
1609   envVal = MSVCRT_getenv(env);
1610   if (!envVal)
1611   {
1612     msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
1613     return;
1614   }
1615
1616   penv = envVal;
1617   TRACE(":searching for %s in paths %s\n", file, envVal);
1618
1619   do
1620   {
1621     char *end = penv;
1622
1623     while(*end && *end != ';') end++; /* Find end of next path */
1624     if (penv == end || !*penv)
1625     {
1626       msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
1627       return;
1628     }
1629     memcpy(curPath, penv, end - penv);
1630     if (curPath[end - penv] != '/' && curPath[end - penv] != '\\')
1631     {
1632       curPath[end - penv] = '\\';
1633       curPath[end - penv + 1] = '\0';
1634     }
1635     else
1636       curPath[end - penv] = '\0';
1637
1638     strcat(curPath, file);
1639     TRACE("Checking for file %s\n", curPath);
1640     if (GetFileAttributesA( curPath ) != INVALID_FILE_ATTRIBUTES)
1641     {
1642       strcpy(buf, curPath);
1643       msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
1644       return; /* Found */
1645     }
1646     penv = *end ? end + 1 : end;
1647   } while(1);
1648 }
1649
1650 /*********************************************************************
1651  *              _searchenv_s (MSVCRT.@)
1652  */
1653 int CDECL _searchenv_s(const char* file, const char* env, char *buf, MSVCRT_size_t count)
1654 {
1655   char*envVal, *penv;
1656   char curPath[MAX_PATH];
1657
1658   if (!MSVCRT_CHECK_PMT(file != NULL) || !MSVCRT_CHECK_PMT(buf != NULL) ||
1659       !MSVCRT_CHECK_PMT(count > 0))
1660   {
1661       *MSVCRT__errno() = MSVCRT_EINVAL;
1662       return MSVCRT_EINVAL;
1663   }
1664
1665   *buf = '\0';
1666
1667   /* Try CWD first */
1668   if (GetFileAttributesA( file ) != INVALID_FILE_ATTRIBUTES)
1669   {
1670     if (GetFullPathNameA( file, count, buf, NULL )) return 0;
1671     msvcrt_set_errno(GetLastError());
1672     return 0;
1673   }
1674
1675   /* Search given environment variable */
1676   envVal = MSVCRT_getenv(env);
1677   if (!envVal)
1678   {
1679     *MSVCRT__errno() = MSVCRT_ENOENT;
1680     return MSVCRT_ENOENT;
1681   }
1682
1683   penv = envVal;
1684   TRACE(":searching for %s in paths %s\n", file, envVal);
1685
1686   do
1687   {
1688     char *end = penv;
1689
1690     while(*end && *end != ';') end++; /* Find end of next path */
1691     if (penv == end || !*penv)
1692     {
1693       *MSVCRT__errno() = MSVCRT_ENOENT;
1694       return MSVCRT_ENOENT;
1695     }
1696     memcpy(curPath, penv, end - penv);
1697     if (curPath[end - penv] != '/' && curPath[end - penv] != '\\')
1698     {
1699       curPath[end - penv] = '\\';
1700       curPath[end - penv + 1] = '\0';
1701     }
1702     else
1703       curPath[end - penv] = '\0';
1704
1705     strcat(curPath, file);
1706     TRACE("Checking for file %s\n", curPath);
1707     if (GetFileAttributesA( curPath ) != INVALID_FILE_ATTRIBUTES)
1708     {
1709       if (strlen(curPath) + 1 > count)
1710       {
1711           MSVCRT_INVALID_PMT("buf[count] is too small");
1712           *MSVCRT__errno() = MSVCRT_ERANGE;
1713           return MSVCRT_ERANGE;
1714       }
1715       strcpy(buf, curPath);
1716       return 0;
1717     }
1718     penv = *end ? end + 1 : end;
1719   } while(1);
1720 }
1721
1722 /*********************************************************************
1723  *      _wsearchenv (MSVCRT.@)
1724  *
1725  * Unicode version of _searchenv
1726  */
1727 void CDECL MSVCRT__wsearchenv(const MSVCRT_wchar_t* file, const MSVCRT_wchar_t* env, MSVCRT_wchar_t *buf)
1728 {
1729   MSVCRT_wchar_t *envVal, *penv;
1730   MSVCRT_wchar_t curPath[MAX_PATH];
1731
1732   *buf = '\0';
1733
1734   /* Try CWD first */
1735   if (GetFileAttributesW( file ) != INVALID_FILE_ATTRIBUTES)
1736   {
1737     GetFullPathNameW( file, MAX_PATH, buf, NULL );
1738     /* Sigh. This error is *always* set, regardless of success */
1739     msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
1740     return;
1741   }
1742
1743   /* Search given environment variable */
1744   envVal = MSVCRT__wgetenv(env);
1745   if (!envVal)
1746   {
1747     msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
1748     return;
1749   }
1750
1751   penv = envVal;
1752   TRACE(":searching for %s in paths %s\n", debugstr_w(file), debugstr_w(envVal));
1753
1754   do
1755   {
1756     MSVCRT_wchar_t *end = penv;
1757
1758     while(*end && *end != ';') end++; /* Find end of next path */
1759     if (penv == end || !*penv)
1760     {
1761       msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
1762       return;
1763     }
1764     memcpy(curPath, penv, (end - penv) * sizeof(MSVCRT_wchar_t));
1765     if (curPath[end - penv] != '/' && curPath[end - penv] != '\\')
1766     {
1767       curPath[end - penv] = '\\';
1768       curPath[end - penv + 1] = '\0';
1769     }
1770     else
1771       curPath[end - penv] = '\0';
1772
1773     strcatW(curPath, file);
1774     TRACE("Checking for file %s\n", debugstr_w(curPath));
1775     if (GetFileAttributesW( curPath ) != INVALID_FILE_ATTRIBUTES)
1776     {
1777       strcpyW(buf, curPath);
1778       msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
1779       return; /* Found */
1780     }
1781     penv = *end ? end + 1 : end;
1782   } while(1);
1783 }
1784
1785 /*********************************************************************
1786  *              _wsearchenv_s (MSVCRT.@)
1787  */
1788 int CDECL _wsearchenv_s(const MSVCRT_wchar_t* file, const MSVCRT_wchar_t* env,
1789                         MSVCRT_wchar_t *buf, MSVCRT_size_t count)
1790 {
1791   MSVCRT_wchar_t*       envVal, *penv;
1792   MSVCRT_wchar_t        curPath[MAX_PATH];
1793
1794   if (!MSVCRT_CHECK_PMT(file != NULL) || !MSVCRT_CHECK_PMT(buf != NULL) ||
1795       !MSVCRT_CHECK_PMT(count > 0))
1796   {
1797       *MSVCRT__errno() = MSVCRT_EINVAL;
1798       return MSVCRT_EINVAL;
1799   }
1800   *buf = '\0';
1801
1802   /* Try CWD first */
1803   if (GetFileAttributesW( file ) != INVALID_FILE_ATTRIBUTES)
1804   {
1805     if (GetFullPathNameW( file, count, buf, NULL )) return 0;
1806     msvcrt_set_errno(GetLastError());
1807     return 0;
1808   }
1809
1810   /* Search given environment variable */
1811   envVal = MSVCRT__wgetenv(env);
1812   if (!envVal)
1813   {
1814     *MSVCRT__errno() = MSVCRT_ENOENT;
1815     return MSVCRT_ENOENT;
1816   }
1817
1818   penv = envVal;
1819   TRACE(":searching for %s in paths %s\n", debugstr_w(file), debugstr_w(envVal));
1820
1821   do
1822   {
1823     MSVCRT_wchar_t *end = penv;
1824
1825     while(*end && *end != ';') end++; /* Find end of next path */
1826     if (penv == end || !*penv)
1827     {
1828       *MSVCRT__errno() = MSVCRT_ENOENT;
1829       return MSVCRT_ENOENT;
1830     }
1831     memcpy(curPath, penv, (end - penv) * sizeof(MSVCRT_wchar_t));
1832     if (curPath[end - penv] != '/' && curPath[end - penv] != '\\')
1833     {
1834       curPath[end - penv] = '\\';
1835       curPath[end - penv + 1] = '\0';
1836     }
1837     else
1838       curPath[end - penv] = '\0';
1839
1840     strcatW(curPath, file);
1841     TRACE("Checking for file %s\n", debugstr_w(curPath));
1842     if (GetFileAttributesW( curPath ) != INVALID_FILE_ATTRIBUTES)
1843     {
1844       if (strlenW(curPath) + 1 > count)
1845       {
1846           MSVCRT_INVALID_PMT("buf[count] is too small");
1847           *MSVCRT__errno() = MSVCRT_ERANGE;
1848           return MSVCRT_ERANGE;
1849       }
1850       strcpyW(buf, curPath);
1851       return 0;
1852     }
1853     penv = *end ? end + 1 : end;
1854   } while(1);
1855 }