dlls/krnl386.exe16/file.c

   1 /*
   2  * File handling functions
   3  *
   4  * Copyright 1993 John Burton
   5  * Copyright 1996 Alexandre Julliard
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  *
  21  * TODO:
  22  *    Fix the CopyFileEx methods to implement the "extended" functionality.
  23  *    Right now, they simply call the CopyFile method.
  24  */
  25
  26 #include "config.h"
  27 #include "wine/port.h"
  28
  29 #include <stdarg.h>
  30 #include <stdio.h>
  31 #include <assert.h>
  32
  33 #include "winerror.h"
  34 #include "windef.h"
  35 #include "winbase.h"
  36 #include "winternl.h"
  37 #include "wine/winbase16.h"
  38 #include "kernel16_private.h"
  39 #include "wine/unicode.h"
  40 #include "wine/debug.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(file);
  43
  44 #define DOS_TABLE_SIZE 256
  45
  46 static HANDLE dos_handles[DOS_TABLE_SIZE];
  47
  48 /***********************************************************************
  49  *           FILE_InitProcessDosHandles
  50  *
  51  * Allocates the default DOS handles for a process. Called either by
  52  * Win32HandleToDosFileHandle below or by the DOSVM stuff.
  53  */
  54 static void FILE_InitProcessDosHandles( void )
  55 {
  56     HANDLE hStdInput, hStdOutput, hStdError, hNull;
  57     static BOOL init_done /* = FALSE */;
  58     HANDLE cp = GetCurrentProcess();
  59
  60     if (init_done) return;
  61     init_done = TRUE;
  62     hStdInput = GetStdHandle(STD_INPUT_HANDLE);
  63     hStdOutput = GetStdHandle(STD_OUTPUT_HANDLE);
  64     hStdError = GetStdHandle(STD_ERROR_HANDLE);
  65     hNull = CreateFileA("NUL", GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0);
  66     /* Invalid console handles need to translate to real DOS handles in a new process */
  67     if (!hStdInput) hStdInput = hNull;
  68     if (!hStdOutput) hStdOutput = hNull;
  69     if (!hStdError) hStdError = hNull;
  70     DuplicateHandle(cp, hStdInput, cp, &dos_handles[0], 0, TRUE, DUPLICATE_SAME_ACCESS);
  71     DuplicateHandle(cp, hStdOutput, cp, &dos_handles[1], 0, TRUE, DUPLICATE_SAME_ACCESS);
  72     DuplicateHandle(cp, hStdError, cp, &dos_handles[2], 0, TRUE, DUPLICATE_SAME_ACCESS);
  73     DuplicateHandle(cp, hStdError, cp, &dos_handles[3], 0, TRUE, DUPLICATE_SAME_ACCESS);
  74     DuplicateHandle(cp, hStdError, cp, &dos_handles[4], 0, TRUE, DUPLICATE_SAME_ACCESS);
  75     CloseHandle(hNull);
  76 }
  77
  78 /***********************************************************************
  79  *           DosFileHandleToWin32Handle   (KERNEL32.20)
  80  *
  81  * Return the Win32 handle for a DOS handle.
  82  *
  83  * Note: this is not exactly right, since on Win95 the Win32 handles
  84  *       are on top of DOS handles and we do it the other way
  85  *       around. Should be good enough though.
  86  */
  87 HANDLE WINAPI DosFileHandleToWin32Handle( HFILE handle )
  88 {
  89     HFILE16 hfile = (HFILE16)handle;
  90     if (hfile < 5) FILE_InitProcessDosHandles();
  91     if ((hfile >= DOS_TABLE_SIZE) || !dos_handles[hfile])
  92     {
  93         SetLastError( ERROR_INVALID_HANDLE );
  94         return INVALID_HANDLE_VALUE;
  95     }
  96     return dos_handles[hfile];
  97 }
  98
  99 /***********************************************************************
 100  *           Win32HandleToDosFileHandle   (KERNEL32.21)
 101  *
 102  * Allocate a DOS handle for a Win32 handle. The Win32 handle is no
 103  * longer valid after this function (even on failure).
 104  *
 105  * Note: this is not exactly right, since on Win95 the Win32 handles
 106  *       are on top of DOS handles and we do it the other way
 107  *       around. Should be good enough though.
 108  */
 109 HFILE WINAPI Win32HandleToDosFileHandle( HANDLE handle )
 110 {
 111     int i;
 112
 113     if (!handle || (handle == INVALID_HANDLE_VALUE))
 114         return HFILE_ERROR;
 115
 116     FILE_InitProcessDosHandles();
 117     for (i = 0; i < DOS_TABLE_SIZE; i++)
 118         if (!dos_handles[i])
 119         {
 120             dos_handles[i] = handle;
 121             TRACE("Got %d for h32 %p\n", i, handle );
 122             return (HFILE)i;
 123         }
 124     CloseHandle( handle );
 125     SetLastError( ERROR_TOO_MANY_OPEN_FILES );
 126     return HFILE_ERROR;
 127 }
 128
 129 /***********************************************************************
 130  *           DisposeLZ32Handle   (KERNEL32.22)
 131  *
 132  * Note: this is not entirely correct, we should only close the
 133  *       32-bit handle and not the 16-bit one, but we cannot do
 134  *       this because of the way our DOS handles are implemented.
 135  *       It shouldn't break anything though.
 136  */
 137 void WINAPI DisposeLZ32Handle( HANDLE handle )
 138 {
 139     int i;
 140
 141     if (!handle || (handle == INVALID_HANDLE_VALUE)) return;
 142
 143     for (i = 5; i < DOS_TABLE_SIZE; i++)
 144         if (dos_handles[i] == handle)
 145         {
 146             dos_handles[i] = 0;
 147             CloseHandle( handle );
 148             break;
 149         }
 150 }
 151
 152 /***********************************************************************
 153  *           GetProfileInt   (KERNEL.57)
 154  */
 155 UINT16 WINAPI GetProfileInt16( LPCSTR section, LPCSTR entry, INT16 def_val )
 156 {
 157     return GetPrivateProfileInt16( section, entry, def_val, "win.ini" );
 158 }
 159
 160
 161 /***********************************************************************
 162  *           GetProfileString   (KERNEL.58)
 163  */
 164 INT16 WINAPI GetProfileString16( LPCSTR section, LPCSTR entry, LPCSTR def_val,
 165                                  LPSTR buffer, UINT16 len )
 166 {
 167     return GetPrivateProfileString16( section, entry, def_val,
 168                                       buffer, len, "win.ini" );
 169 }
 170
 171
 172 /***********************************************************************
 173  *           WriteProfileString   (KERNEL.59)
 174  */
 175 BOOL16 WINAPI WriteProfileString16( LPCSTR section, LPCSTR entry,
 176                                     LPCSTR string )
 177 {
 178     return WritePrivateProfileString16( section, entry, string, "win.ini" );
 179 }
 180
 181
 182 /* get the search path for the current module; helper for OpenFile16 */
 183 static char *get_search_path(void)
 184 {
 185     UINT len;
 186     char *ret, *p, module[OFS_MAXPATHNAME];
 187
 188     module[0] = 0;
 189     if (GetCurrentTask() && GetModuleFileName16( GetCurrentTask(), module, sizeof(module) ))
 190     {
 191         if (!(p = strrchr( module, '\\' ))) p = module;
 192         *p = 0;
 193     }
 194
 195     len = (2 +                                              /* search order: first current dir */
 196            GetSystemDirectory16( NULL, 0 ) + 1 +            /* then system dir */
 197            GetWindowsDirectoryA( NULL, 0 ) + 1 +            /* then windows dir */
 198            strlen( module ) + 1 +                           /* then module path */
 199            GetEnvironmentVariableA( "PATH", NULL, 0 ) + 1); /* then look in PATH */
 200     if (!(ret = HeapAlloc( GetProcessHeap(), 0, len ))) return NULL;
 201     strcpy( ret, ".;" );
 202     p = ret + 2;
 203     GetSystemDirectory16( p, ret + len - p );
 204     p += strlen( p );
 205     *p++ = ';';
 206     GetWindowsDirectoryA( p, ret + len - p );
 207     p += strlen( p );
 208     *p++ = ';';
 209     if (module[0])
 210     {
 211         strcpy( p, module );
 212         p += strlen( p );
 213         *p++ = ';';
 214     }
 215     GetEnvironmentVariableA( "PATH", p, ret + len - p );
 216     return ret;
 217 }
 218
 219 /***********************************************************************
 220  *           OpenFile   (KERNEL.74)
 221  *           OpenFileEx (KERNEL.360)
 222  */
 223 HFILE16 WINAPI OpenFile16( LPCSTR name, OFSTRUCT *ofs, UINT16 mode )
 224 {
 225     HFILE hFileRet;
 226     HANDLE handle;
 227     FILETIME filetime;
 228     WORD filedatetime[2];
 229     const char *p, *filename;
 230
 231     if (!ofs) return HFILE_ERROR;
 232
 233     TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",debugstr_a(name),
 234           ((mode & 0x3 )==OF_READ)?"OF_READ":
 235           ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
 236           ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
 237           ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
 238           ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
 239           ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
 240           ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
 241           ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
 242           ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
 243           ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
 244           ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
 245           ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
 246           ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
 247           ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
 248           ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
 249           ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
 250           ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
 251         );
 252
 253     if (mode & OF_PARSE)
 254     {
 255         OpenFile( name, ofs, mode );
 256         return 0;
 257     }
 258
 259     if (mode & OF_CREATE)
 260     {
 261         handle = (HANDLE)OpenFile( name, ofs, mode );
 262         if (handle == (HANDLE)HFILE_ERROR) goto error;
 263     }
 264     else
 265     {
 266         ofs->cBytes = sizeof(OFSTRUCT);
 267         ofs->nErrCode = 0;
 268         if (mode & OF_REOPEN) name = ofs->szPathName;
 269
 270         if (!name) return HFILE_ERROR;
 271
 272         /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
 273            Are there any cases where getting the path here is wrong?
 274            Uwe Bonnes 1997 Apr 2 */
 275         if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
 276
 277         /* If OF_SEARCH is set, ignore the given path */
 278
 279         filename = name;
 280         if ((mode & OF_SEARCH) && !(mode & OF_REOPEN))
 281         {
 282             /* First try the file name as is */
 283             if (GetFileAttributesA( filename ) != INVALID_FILE_ATTRIBUTES) filename = NULL;
 284             else
 285             {
 286                 /* Now remove the path */
 287                 if (filename[0] && (filename[1] == ':')) filename += 2;
 288                 if ((p = strrchr( filename, '\\' ))) filename = p + 1;
 289                 if ((p = strrchr( filename, '/' ))) filename = p + 1;
 290                 if (!filename[0])
 291                 {
 292                     SetLastError( ERROR_FILE_NOT_FOUND );
 293                     goto error;
 294                 }
 295             }
 296         }
 297
 298         /* Now look for the file */
 299
 300         if (filename)
 301         {
 302             BOOL found;
 303             char *path = get_search_path();
 304
 305             if (!path) goto error;
 306             found = SearchPathA( path, filename, NULL, sizeof(ofs->szPathName),
 307                                  ofs->szPathName, NULL );
 308             HeapFree( GetProcessHeap(), 0, path );
 309             if (!found) goto error;
 310         }
 311
 312         TRACE("found %s\n", debugstr_a(ofs->szPathName) );
 313
 314         if (mode & OF_DELETE)
 315         {
 316             if (!DeleteFileA( ofs->szPathName )) goto error;
 317             TRACE("(%s): OF_DELETE return = OK\n", name);
 318             return 1;
 319         }
 320
 321         handle = (HANDLE)_lopen( ofs->szPathName, mode );
 322         if (handle == INVALID_HANDLE_VALUE) goto error;
 323
 324         GetFileTime( handle, NULL, NULL, &filetime );
 325         FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
 326         if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
 327         {
 328             if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
 329             {
 330                 CloseHandle( handle );
 331                 WARN("(%s): OF_VERIFY failed\n", name );
 332                 /* FIXME: what error here? */
 333                 SetLastError( ERROR_FILE_NOT_FOUND );
 334                 goto error;
 335             }
 336         }
 337         ofs->Reserved1 = filedatetime[0];
 338         ofs->Reserved2 = filedatetime[1];
 339     }
 340
 341     TRACE("(%s): OK, return = %p\n", name, handle );
 342     hFileRet = Win32HandleToDosFileHandle( handle );
 343     if (hFileRet == HFILE_ERROR16) goto error;
 344     if (mode & OF_EXIST) _lclose16( hFileRet ); /* Return the handle, but close it first */
 345     return hFileRet;
 346
 347 error:  /* We get here if there was an error opening the file */
 348     ofs->nErrCode = GetLastError();
 349     WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
 350     return HFILE_ERROR16;
 351 }
 352
 353
 354 /***********************************************************************
 355  *           _lclose   (KERNEL.81)
 356  */
 357 HFILE16 WINAPI _lclose16( HFILE16 hFile )
 358 {
 359     if ((hFile >= DOS_TABLE_SIZE) || !dos_handles[hFile])
 360     {
 361         SetLastError( ERROR_INVALID_HANDLE );
 362         return HFILE_ERROR16;
 363     }
 364     TRACE("%d (handle32=%p)\n", hFile, dos_handles[hFile] );
 365     CloseHandle( dos_handles[hFile] );
 366     dos_handles[hFile] = 0;
 367     return 0;
 368 }
 369
 370 /***********************************************************************
 371  *           _lcreat   (KERNEL.83)
 372  */
 373 HFILE16 WINAPI _lcreat16( LPCSTR path, INT16 attr )
 374 {
 375     return Win32HandleToDosFileHandle( (HANDLE)_lcreat( path, attr ) );
 376 }
 377
 378 /***********************************************************************
 379  *           _llseek   (KERNEL.84)
 380  *
 381  * FIXME:
 382  *   Seeking before the start of the file should be allowed for _llseek16,
 383  *   but cause subsequent I/O operations to fail (cf. interrupt list)
 384  *
 385  */
 386 LONG WINAPI _llseek16( HFILE16 hFile, LONG lOffset, INT16 nOrigin )
 387 {
 388     return SetFilePointer( DosFileHandleToWin32Handle(hFile), lOffset, NULL, nOrigin );
 389 }
 390
 391
 392 /***********************************************************************
 393  *           _lopen   (KERNEL.85)
 394  */
 395 HFILE16 WINAPI _lopen16( LPCSTR path, INT16 mode )
 396 {
 397     return Win32HandleToDosFileHandle( (HANDLE)_lopen( path, mode ) );
 398 }
 399
 400
 401 /***********************************************************************
 402  *           _lread16 (internal)
 403  */
 404 UINT16 WINAPI _lread16( HFILE16 hFile, LPVOID buffer, UINT16 count )
 405 {
 406     return (UINT16)_lread((HFILE)DosFileHandleToWin32Handle(hFile), buffer, (LONG)count );
 407 }
 408
 409
 410 /***********************************************************************
 411  *           _lwrite   (KERNEL.86)
 412  */
 413 UINT16 WINAPI _lwrite16( HFILE16 hFile, LPCSTR buffer, UINT16 count )
 414 {
 415     return (UINT16)_hwrite( (HFILE)DosFileHandleToWin32Handle(hFile), buffer, (LONG)count );
 416 }
 417
 418 /***********************************************************************
 419  *           _hread (KERNEL.349)
 420  */
 421 LONG WINAPI WIN16_hread( HFILE16 hFile, SEGPTR buffer, LONG count )
 422 {
 423     LONG maxlen;
 424
 425     TRACE("%d %08x %d\n", hFile, (DWORD)buffer, count );
 426
 427     /* Some programs pass a count larger than the allocated buffer */
 428     maxlen = GetSelectorLimit16( SELECTOROF(buffer) ) - OFFSETOF(buffer) + 1;
 429     if (count > maxlen) count = maxlen;
 430     return _lread((HFILE)DosFileHandleToWin32Handle(hFile), MapSL(buffer), count );
 431 }
 432
 433
 434 /***********************************************************************
 435  *           _lread (KERNEL.82)
 436  */
 437 UINT16 WINAPI WIN16_lread( HFILE16 hFile, SEGPTR buffer, UINT16 count )
 438 {
 439     return (UINT16)WIN16_hread( hFile, buffer, (LONG)count );
 440 }
 441
 442
 443 /***********************************************************************
 444  *           _hwrite   (KERNEL.350)
 445  */
 446 LONG WINAPI _hwrite16( HFILE16 hFile, LPCSTR buffer, LONG count )
 447 {
 448     return _hwrite( (HFILE)DosFileHandleToWin32Handle(hFile), buffer, count );
 449 }
 450
 451
 452 /***********************************************************************
 453  *           GetTempDrive   (KERNEL.92)
 454  * A closer look at krnl386.exe shows what the SDK doesn't mention:
 455  *
 456  * returns:
 457  *   AL: driveletter
 458  *   AH: ':'            - yes, some kernel code even does stosw with
 459  *                            the returned AX.
 460  *   DX: 1 for success
 461  */
 462 UINT WINAPI GetTempDrive( BYTE ignored )
 463 {
 464     WCHAR buffer[MAX_PATH];
 465     BYTE ret;
 466
 467     if (GetTempPathW( MAX_PATH, buffer )) ret = (BYTE)toupperW(buffer[0]);
 468     else ret = 'C';
 469     return MAKELONG( ret | (':' << 8), 1 );
 470 }
 471
 472
 473 /***********************************************************************
 474  *           GetTempFileName   (KERNEL.97)
 475  */
 476 UINT16 WINAPI GetTempFileName16( BYTE drive, LPCSTR prefix, UINT16 unique,
 477                                  LPSTR buffer )
 478 {
 479     char temppath[MAX_PATH];
 480     char *prefix16 = NULL;
 481     UINT16 ret;
 482
 483     if (!(drive & ~TF_FORCEDRIVE)) /* drive 0 means current default drive */
 484     {
 485         GetCurrentDirectoryA(sizeof(temppath), temppath);
 486         drive |= temppath[0];
 487     }
 488
 489     if (drive & TF_FORCEDRIVE)
 490     {
 491         char    d[3];
 492
 493         d[0] = drive & ~TF_FORCEDRIVE;
 494         d[1] = ':';
 495         d[2] = '\0';
 496         if (GetDriveTypeA(d) == DRIVE_NO_ROOT_DIR)
 497         {
 498             drive &= ~TF_FORCEDRIVE;
 499             WARN("invalid drive %d specified\n", drive );
 500         }
 501     }
 502
 503     if (drive & TF_FORCEDRIVE)
 504         sprintf(temppath,"%c:", drive & ~TF_FORCEDRIVE );
 505     else
 506         GetTempPathA( MAX_PATH, temppath );
 507
 508     if (prefix)
 509     {
 510         prefix16 = HeapAlloc(GetProcessHeap(), 0, strlen(prefix) + 2);
 511         *prefix16 = '~';
 512         strcpy(prefix16 + 1, prefix);
 513     }
 514
 515     ret = GetTempFileNameA( temppath, prefix16, unique, buffer );
 516
 517     HeapFree(GetProcessHeap(), 0, prefix16);
 518     return ret;
 519 }
 520
 521
 522 /***********************************************************************
 523  *           GetPrivateProfileInt   (KERNEL.127)
 524  */
 525 UINT16 WINAPI GetPrivateProfileInt16( LPCSTR section, LPCSTR entry,
 526                                       INT16 def_val, LPCSTR filename )
 527 {
 528     /* we used to have some elaborate return value limitation (<= -32768 etc.)
 529      * here, but Win98SE doesn't care about this at all, so I deleted it.
 530      * AFAIR versions prior to Win9x had these limits, though. */
 531     return (INT16)GetPrivateProfileIntA(section,entry,def_val,filename);
 532 }
 533
 534
 535 /***********************************************************************
 536  *           GetPrivateProfileString   (KERNEL.128)
 537  */
 538 INT16 WINAPI GetPrivateProfileString16( LPCSTR section, LPCSTR entry,
 539                                         LPCSTR def_val, LPSTR buffer,
 540                                         UINT16 len, LPCSTR filename )
 541 {
 542     if (!section)
 543     {
 544         if (buffer && len) buffer[0] = 0;
 545         return 0;
 546     }
 547     if (!entry)
 548     {
 549         /* We have to return the list of keys in the section but without the values
 550          * so we need to massage the results of GetPrivateProfileSectionA.
 551          */
 552         UINT ret, oldlen = len, size = min( len, 1024 );
 553         LPSTR data, src;
 554
 555         for (;;)
 556         {
 557             if (!(data = HeapAlloc(GetProcessHeap(), 0, size ))) return 0;
 558             ret = GetPrivateProfileSectionA( section, data, size, filename );
 559             if (!ret)
 560             {
 561                 HeapFree( GetProcessHeap(), 0, data );
 562                 return GetPrivateProfileStringA( section, entry, def_val, buffer, len, filename );
 563             }
 564             if (ret != size - 2) break;
 565             /* overflow, try again */
 566             size *= 2;
 567             HeapFree( GetProcessHeap(), 0, data );
 568         }
 569
 570         src = data;
 571         while (len && *src)
 572         {
 573             char *p = strchr( src, '=' );
 574
 575             if (!p) p = src + strlen(src);
 576             if (p - src < len)
 577             {
 578                 memcpy( buffer, src, p - src );
 579                 buffer += p - src;
 580                 *buffer++ = 0;
 581                 len -= (p - src) + 1;
 582                 src += strlen(src) + 1;
 583             }
 584             else  /* overflow */
 585             {
 586                 memcpy( buffer, src, len );
 587                 buffer += len;
 588                 len = 0;
 589             }
 590         }
 591         HeapFree( GetProcessHeap(), 0, data );
 592
 593         if (len)
 594         {
 595             *buffer = 0;
 596             return oldlen - len;
 597         }
 598         if (oldlen > 2)
 599         {
 600             buffer[-2] = 0;
 601             buffer[-1] = 0;
 602             return oldlen - 2;
 603         }
 604         return 0;
 605     }
 606     return GetPrivateProfileStringA( section, entry, def_val, buffer, len, filename );
 607 }
 608
 609
 610 /***********************************************************************
 611  *           WritePrivateProfileString   (KERNEL.129)
 612  */
 613 BOOL16 WINAPI WritePrivateProfileString16( LPCSTR section, LPCSTR entry,
 614                                            LPCSTR string, LPCSTR filename )
 615 {
 616     return WritePrivateProfileStringA(section,entry,string,filename);
 617 }
 618
 619
 620 /***********************************************************************
 621  *           GetWindowsDirectory   (KERNEL.134)
 622  */
 623 UINT16 WINAPI GetWindowsDirectory16( LPSTR path, UINT16 count )
 624 {
 625     return GetWindowsDirectoryA( path, count );
 626 }
 627
 628
 629 /***********************************************************************
 630  *           GetSystemDirectory   (KERNEL.135)
 631  */
 632 UINT16 WINAPI GetSystemDirectory16( LPSTR path, UINT16 count )
 633 {
 634     static const char system16[] = "\\SYSTEM";
 635     char windir[MAX_PATH];
 636     UINT16 len;
 637
 638     len = GetWindowsDirectory16(windir, sizeof(windir) - sizeof(system16) + 1) + sizeof(system16);
 639     if (count >= len)
 640     {
 641         lstrcpyA(path, windir);
 642         lstrcatA(path, system16);
 643         len--;  /* space for the terminating zero is not included on success */
 644     }
 645     return len;
 646 }
 647
 648
 649 /***********************************************************************
 650  *           GetDriveType   (KERNEL.136)
 651  * Get the type of a drive in Win16.
 652  *
 653  * RETURNS
 654  *  The type of the Drive. For a list see GetDriveTypeW from kernel32.
 655  *
 656  * NOTES
 657  *  Note that it returns DRIVE_REMOTE for CD-ROMs, since MSCDEX uses the
 658  *  remote drive API. The return value DRIVE_REMOTE for CD-ROMs has been
 659  *  verified on Win 3.11 and Windows 95. Some programs rely on it, so don't
 660  *  do any pseudo-clever changes.
 661  */
 662 UINT16 WINAPI GetDriveType16( UINT16 drive ) /* [in] number (NOT letter) of drive */
 663 {
 664     UINT type;
 665     WCHAR root[3];
 666
 667     root[0] = 'A' + drive;
 668     root[1] = ':';
 669     root[2] = 0;
 670     type = GetDriveTypeW( root );
 671     if (type == DRIVE_CDROM) type = DRIVE_REMOTE;
 672     else if (type == DRIVE_NO_ROOT_DIR) type = DRIVE_UNKNOWN;
 673     return type;
 674 }
 675
 676
 677 /***********************************************************************
 678  *           GetProfileSectionNames   (KERNEL.142)
 679  */
 680 WORD WINAPI GetProfileSectionNames16(LPSTR buffer, WORD size)
 681
 682 {
 683     return GetPrivateProfileSectionNamesA(buffer,size,"win.ini");
 684 }
 685
 686
 687 /***********************************************************************
 688  *           GetPrivateProfileSectionNames   (KERNEL.143)
 689  */
 690 WORD WINAPI GetPrivateProfileSectionNames16( LPSTR buffer, WORD size,
 691                                              LPCSTR filename )
 692 {
 693     return GetPrivateProfileSectionNamesA(buffer,size,filename);
 694 }
 695
 696
 697 /***********************************************************************
 698  *           CreateDirectory   (KERNEL.144)
 699  */
 700 BOOL16 WINAPI CreateDirectory16( LPCSTR path, LPVOID dummy )
 701 {
 702     return CreateDirectoryA( path, NULL );
 703 }
 704
 705
 706 /***********************************************************************
 707  *           RemoveDirectory   (KERNEL.145)
 708  */
 709 BOOL16 WINAPI RemoveDirectory16( LPCSTR path )
 710 {
 711     return RemoveDirectoryA( path );
 712 }
 713
 714
 715 /***********************************************************************
 716  *           DeleteFile   (KERNEL.146)
 717  */
 718 BOOL16 WINAPI DeleteFile16( LPCSTR path )
 719 {
 720     return DeleteFileA( path );
 721 }
 722
 723
 724 /***********************************************************************
 725  *           SetHandleCount   (KERNEL.199)
 726  */
 727 UINT16 WINAPI SetHandleCount16( UINT16 count )
 728 {
 729     return SetHandleCount( count );
 730 }
 731
 732
 733 /***********************************************************************
 734  *           GetShortPathName   (KERNEL.274)
 735  */
 736 WORD WINAPI GetShortPathName16( LPCSTR longpath, LPSTR shortpath, WORD len )
 737 {
 738     return GetShortPathNameA( longpath, shortpath, len );
 739 }
 740
 741
 742 /***********************************************************************
 743  *           WriteOutProfiles   (KERNEL.315)
 744  */
 745 void WINAPI WriteOutProfiles16(void)
 746 {
 747     WritePrivateProfileSectionW( NULL, NULL, NULL );
 748 }
 749
 750
 751 /***********************************************************************
 752  *           WritePrivateProfileStruct (KERNEL.406)
 753  */
 754 BOOL16 WINAPI WritePrivateProfileStruct16 (LPCSTR section, LPCSTR key,
 755                                            LPVOID buf, UINT16 bufsize, LPCSTR filename)
 756 {
 757     return WritePrivateProfileStructA( section, key, buf, bufsize, filename );
 758 }
 759
 760
 761 /***********************************************************************
 762  *           GetPrivateProfileStruct (KERNEL.407)
 763  */
 764 BOOL16 WINAPI GetPrivateProfileStruct16(LPCSTR section, LPCSTR key,
 765                                         LPVOID buf, UINT16 len, LPCSTR filename)
 766 {
 767     return GetPrivateProfileStructA( section, key, buf, len, filename );
 768 }
 769
 770
 771 /***********************************************************************
 772  *           GetCurrentDirectory   (KERNEL.411)
 773  */
 774 UINT16 WINAPI GetCurrentDirectory16( UINT16 buflen, LPSTR buf )
 775 {
 776     return GetCurrentDirectoryA( buflen, buf );
 777 }
 778
 779
 780 /***********************************************************************
 781  *           SetCurrentDirectory   (KERNEL.412)
 782  */
 783 BOOL16 WINAPI SetCurrentDirectory16( LPCSTR dir )
 784 {
 785     char fulldir[MAX_PATH];
 786
 787     if (!GetFullPathNameA( dir, MAX_PATH, fulldir, NULL )) return FALSE;
 788
 789     if (!SetCurrentDirectoryA( dir )) return FALSE;
 790
 791     if (fulldir[0] && fulldir[1] == ':')
 792     {
 793         TDB *pTask = GlobalLock16( GetCurrentTask() );
 794         char env_var[4] = "=A:";
 795
 796         env_var[1] = fulldir[0];
 797         SetEnvironmentVariableA( env_var, fulldir );
 798
 799         /* update the directory in the TDB */
 800         if (pTask)
 801         {
 802             pTask->curdrive = 0x80 | (fulldir[0] - 'A');
 803             GetShortPathNameA( fulldir + 2, pTask->curdir, sizeof(pTask->curdir) );
 804         }
 805     }
 806     return TRUE;
 807 }
 808
 809
 810 /*************************************************************************
 811  *           FindFirstFile   (KERNEL.413)
 812  */
 813 HANDLE16 WINAPI FindFirstFile16( LPCSTR path, WIN32_FIND_DATAA *data )
 814 {
 815     HGLOBAL16 h16;
 816     HANDLE handle, *ptr;
 817
 818     if (!(h16 = GlobalAlloc16( GMEM_MOVEABLE, sizeof(handle) ))) return INVALID_HANDLE_VALUE16;
 819     ptr = GlobalLock16( h16 );
 820     *ptr = handle = FindFirstFileA( path, data );
 821     GlobalUnlock16( h16 );
 822
 823     if (handle == INVALID_HANDLE_VALUE)
 824     {
 825         GlobalFree16( h16 );
 826         h16 = INVALID_HANDLE_VALUE16;
 827     }
 828     return h16;
 829 }
 830
 831
 832 /*************************************************************************
 833  *           FindNextFile   (KERNEL.414)
 834  */
 835 BOOL16 WINAPI FindNextFile16( HANDLE16 handle, WIN32_FIND_DATAA *data )
 836 {
 837     HANDLE *ptr;
 838     BOOL ret = FALSE;
 839
 840     if ((handle == INVALID_HANDLE_VALUE16) || !(ptr = GlobalLock16( handle )))
 841     {
 842         SetLastError( ERROR_INVALID_HANDLE );
 843         return ret;
 844     }
 845     ret = FindNextFileA( *ptr, data );
 846     GlobalUnlock16( handle );
 847     return ret;
 848 }
 849
 850
 851 /*************************************************************************
 852  *           FindClose   (KERNEL.415)
 853  */
 854 BOOL16 WINAPI FindClose16( HANDLE16 handle )
 855 {
 856     HANDLE *ptr;
 857
 858     if ((handle == INVALID_HANDLE_VALUE16) || !(ptr = GlobalLock16( handle )))
 859     {
 860         SetLastError( ERROR_INVALID_HANDLE );
 861         return FALSE;
 862     }
 863     FindClose( *ptr );
 864     GlobalUnlock16( handle );
 865     GlobalFree16( handle );
 866     return TRUE;
 867 }
 868
 869
 870 /***********************************************************************
 871  *           WritePrivateProfileSection   (KERNEL.416)
 872  */
 873 BOOL16 WINAPI WritePrivateProfileSection16( LPCSTR section,
 874                                             LPCSTR string, LPCSTR filename )
 875 {
 876     return WritePrivateProfileSectionA( section, string, filename );
 877 }
 878
 879
 880 /***********************************************************************
 881  *           WriteProfileSection   (KERNEL.417)
 882  */
 883 BOOL16 WINAPI WriteProfileSection16( LPCSTR section, LPCSTR keys_n_values)
 884 {
 885     return WritePrivateProfileSection16( section, keys_n_values, "win.ini");
 886 }
 887
 888
 889 /***********************************************************************
 890  *           GetPrivateProfileSection   (KERNEL.418)
 891  */
 892 INT16 WINAPI GetPrivateProfileSection16( LPCSTR section, LPSTR buffer,
 893                                          UINT16 len, LPCSTR filename )
 894 {
 895     return GetPrivateProfileSectionA( section, buffer, len, filename );
 896 }
 897
 898
 899 /***********************************************************************
 900  *           GetProfileSection   (KERNEL.419)
 901  */
 902 INT16 WINAPI GetProfileSection16( LPCSTR section, LPSTR buffer, UINT16 len )
 903 {
 904     return GetPrivateProfileSection16( section, buffer, len, "win.ini" );
 905 }
 906
 907
 908 /**************************************************************************
 909  *           GetFileAttributes   (KERNEL.420)
 910  */
 911 DWORD WINAPI GetFileAttributes16( LPCSTR name )
 912 {
 913     return GetFileAttributesA( name );
 914 }
 915
 916
 917 /**************************************************************************
 918  *              SetFileAttributes       (KERNEL.421)
 919  */
 920 BOOL16 WINAPI SetFileAttributes16( LPCSTR lpFileName, DWORD attributes )
 921 {
 922     return SetFileAttributesA( lpFileName, attributes );
 923 }
 924
 925
 926 /***********************************************************************
 927  *           GetDiskFreeSpace   (KERNEL.422)
 928  */
 929 BOOL16 WINAPI GetDiskFreeSpace16( LPCSTR root, LPDWORD cluster_sectors,
 930                                   LPDWORD sector_bytes, LPDWORD free_clusters,
 931                                   LPDWORD total_clusters )
 932 {
 933     return GetDiskFreeSpaceA( root, cluster_sectors, sector_bytes,
 934                                 free_clusters, total_clusters );
 935 }
 936
 937 /***********************************************************************
 938  *      FileCDR (KERNEL.130)
 939  */
 940 FARPROC16 WINAPI FileCDR16(FARPROC16 x)
 941 {
 942     FIXME("(%p): stub\n", x);
 943     return (FARPROC16)TRUE;
 944 }