Create a function to read a property as an integer.
[wine/hacks.git] / dlls / kernel / file16.c
blob1a6aa67ce0b6be6ed73bb342a2adecc56bdf89aa
1 /*
2 * File handling functions
4 * Copyright 1993 John Burton
5 * Copyright 1996 Alexandre Julliard
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.
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.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 * TODO:
22 * Fix the CopyFileEx methods to implement the "extended" functionality.
23 * Right now, they simply call the CopyFile method.
26 #include "config.h"
27 #include "wine/port.h"
29 #include <stdarg.h>
30 #include <stdio.h>
31 #include <assert.h>
33 #define NONAMELESSUNION
34 #define NONAMELESSSTRUCT
35 #include "winerror.h"
36 #include "windef.h"
37 #include "winbase.h"
38 #include "winternl.h"
39 #include "wine/winbase16.h"
40 #include "wine/server.h"
41 #include "kernel_private.h"
42 #include "wine/unicode.h"
43 #include "wine/debug.h"
45 WINE_DEFAULT_DEBUG_CHANNEL(file);
48 /***********************************************************************
49 * GetProfileInt (KERNEL.57)
51 UINT16 WINAPI GetProfileInt16( LPCSTR section, LPCSTR entry, INT16 def_val )
53 return GetPrivateProfileInt16( section, entry, def_val, "win.ini" );
57 /***********************************************************************
58 * GetProfileString (KERNEL.58)
60 INT16 WINAPI GetProfileString16( LPCSTR section, LPCSTR entry, LPCSTR def_val,
61 LPSTR buffer, UINT16 len )
63 return GetPrivateProfileString16( section, entry, def_val,
64 buffer, len, "win.ini" );
68 /***********************************************************************
69 * WriteProfileString (KERNEL.59)
71 BOOL16 WINAPI WriteProfileString16( LPCSTR section, LPCSTR entry,
72 LPCSTR string )
74 return WritePrivateProfileString16( section, entry, string, "win.ini" );
78 /* get the search path for the current module; helper for OpenFile16 */
79 static char *get_search_path(void)
81 UINT len;
82 char *ret, *p, module[OFS_MAXPATHNAME];
84 module[0] = 0;
85 if (GetCurrentTask() && GetModuleFileName16( GetCurrentTask(), module, sizeof(module) ))
87 if (!(p = strrchr( module, '\\' ))) p = module;
88 *p = 0;
91 len = (2 + /* search order: first current dir */
92 GetSystemDirectoryA( NULL, 0 ) + 1 + /* then system dir */
93 GetWindowsDirectoryA( NULL, 0 ) + 1 + /* then windows dir */
94 strlen( module ) + 1 + /* then module path */
95 GetEnvironmentVariableA( "PATH", NULL, 0 ) + 1); /* then look in PATH */
96 if (!(ret = HeapAlloc( GetProcessHeap(), 0, len ))) return NULL;
97 strcpy( ret, ".;" );
98 p = ret + 2;
99 GetSystemDirectoryA( p, ret + len - p );
100 p += strlen( p );
101 *p++ = ';';
102 GetWindowsDirectoryA( p, ret + len - p );
103 p += strlen( p );
104 *p++ = ';';
105 if (module[0])
107 strcpy( p, module );
108 p += strlen( p );
109 *p++ = ';';
111 GetEnvironmentVariableA( "PATH", p, ret + len - p );
112 return ret;
115 /***********************************************************************
116 * OpenFile (KERNEL.74)
117 * OpenFileEx (KERNEL.360)
119 HFILE16 WINAPI OpenFile16( LPCSTR name, OFSTRUCT *ofs, UINT16 mode )
121 HFILE hFileRet;
122 HANDLE handle;
123 FILETIME filetime;
124 WORD filedatetime[2];
125 const char *p, *filename;
127 if (!ofs) return HFILE_ERROR;
129 TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",debugstr_a(name),
130 ((mode & 0x3 )==OF_READ)?"OF_READ":
131 ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
132 ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
133 ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
134 ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
135 ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
136 ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
137 ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
138 ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
139 ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
140 ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
141 ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
142 ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
143 ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
144 ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
145 ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
146 ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
149 if (mode & OF_PARSE)
151 OpenFile( name, ofs, mode );
152 return 0;
155 if (mode & OF_CREATE)
157 handle = (HANDLE)OpenFile( name, ofs, mode );
158 if (handle == (HANDLE)HFILE_ERROR) goto error;
160 else
162 ofs->cBytes = sizeof(OFSTRUCT);
163 ofs->nErrCode = 0;
164 if (mode & OF_REOPEN) name = ofs->szPathName;
166 if (!name) return HFILE_ERROR;
168 /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
169 Are there any cases where getting the path here is wrong?
170 Uwe Bonnes 1997 Apr 2 */
171 if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
173 /* If OF_SEARCH is set, ignore the given path */
175 filename = name;
176 if ((mode & OF_SEARCH) && !(mode & OF_REOPEN))
178 /* First try the file name as is */
179 if (GetFileAttributesA( filename ) != INVALID_FILE_ATTRIBUTES) filename = NULL;
180 else
182 /* Now remove the path */
183 if (filename[0] && (filename[1] == ':')) filename += 2;
184 if ((p = strrchr( filename, '\\' ))) filename = p + 1;
185 if ((p = strrchr( filename, '/' ))) filename = p + 1;
186 if (!filename[0])
188 SetLastError( ERROR_FILE_NOT_FOUND );
189 goto error;
194 /* Now look for the file */
196 if (filename)
198 BOOL found;
199 char *path = get_search_path();
201 if (!path) goto error;
202 found = SearchPathA( path, filename, NULL, sizeof(ofs->szPathName),
203 ofs->szPathName, NULL );
204 HeapFree( GetProcessHeap(), 0, path );
205 if (!found) goto error;
208 TRACE("found %s\n", debugstr_a(ofs->szPathName) );
210 if (mode & OF_DELETE)
212 if (!DeleteFileA( ofs->szPathName )) goto error;
213 TRACE("(%s): OF_DELETE return = OK\n", name);
214 return 1;
217 handle = (HANDLE)_lopen( ofs->szPathName, mode );
218 if (handle == INVALID_HANDLE_VALUE) goto error;
220 GetFileTime( handle, NULL, NULL, &filetime );
221 FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
222 if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
224 if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
226 CloseHandle( handle );
227 WARN("(%s): OF_VERIFY failed\n", name );
228 /* FIXME: what error here? */
229 SetLastError( ERROR_FILE_NOT_FOUND );
230 goto error;
233 ofs->Reserved1 = filedatetime[0];
234 ofs->Reserved2 = filedatetime[1];
237 TRACE("(%s): OK, return = %p\n", name, handle );
238 hFileRet = Win32HandleToDosFileHandle( handle );
239 if (hFileRet == HFILE_ERROR16) goto error;
240 if (mode & OF_EXIST) _lclose16( hFileRet ); /* Return the handle, but close it first */
241 return hFileRet;
243 error: /* We get here if there was an error opening the file */
244 ofs->nErrCode = GetLastError();
245 WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
246 return HFILE_ERROR16;
250 /***********************************************************************
251 * _lclose (KERNEL.81)
253 HFILE16 WINAPI _lclose16( HFILE16 hFile )
255 if ((hFile >= DOS_TABLE_SIZE) || !dos_handles[hFile])
257 SetLastError( ERROR_INVALID_HANDLE );
258 return HFILE_ERROR16;
260 TRACE("%d (handle32=%p)\n", hFile, dos_handles[hFile] );
261 CloseHandle( dos_handles[hFile] );
262 dos_handles[hFile] = 0;
263 return 0;
266 /***********************************************************************
267 * _lcreat (KERNEL.83)
269 HFILE16 WINAPI _lcreat16( LPCSTR path, INT16 attr )
271 return Win32HandleToDosFileHandle( (HANDLE)_lcreat( path, attr ) );
274 /***********************************************************************
275 * _llseek (KERNEL.84)
277 * FIXME:
278 * Seeking before the start of the file should be allowed for _llseek16,
279 * but cause subsequent I/O operations to fail (cf. interrupt list)
282 LONG WINAPI _llseek16( HFILE16 hFile, LONG lOffset, INT16 nOrigin )
284 return SetFilePointer( DosFileHandleToWin32Handle(hFile), lOffset, NULL, nOrigin );
288 /***********************************************************************
289 * _lopen (KERNEL.85)
291 HFILE16 WINAPI _lopen16( LPCSTR path, INT16 mode )
293 return Win32HandleToDosFileHandle( (HANDLE)_lopen( path, mode ) );
297 /***********************************************************************
298 * _lread16 (KERNEL.82)
300 UINT16 WINAPI _lread16( HFILE16 hFile, LPVOID buffer, UINT16 count )
302 return (UINT16)_lread((HFILE)DosFileHandleToWin32Handle(hFile), buffer, (LONG)count );
306 /***********************************************************************
307 * _lwrite (KERNEL.86)
309 UINT16 WINAPI _lwrite16( HFILE16 hFile, LPCSTR buffer, UINT16 count )
311 return (UINT16)_hwrite( (HFILE)DosFileHandleToWin32Handle(hFile), buffer, (LONG)count );
314 /***********************************************************************
315 * _hread (KERNEL.349)
317 LONG WINAPI WIN16_hread( HFILE16 hFile, SEGPTR buffer, LONG count )
319 LONG maxlen;
321 TRACE("%d %08lx %ld\n", hFile, (DWORD)buffer, count );
323 /* Some programs pass a count larger than the allocated buffer */
324 maxlen = GetSelectorLimit16( SELECTOROF(buffer) ) - OFFSETOF(buffer) + 1;
325 if (count > maxlen) count = maxlen;
326 return _lread((HFILE)DosFileHandleToWin32Handle(hFile), MapSL(buffer), count );
330 /***********************************************************************
331 * _lread (KERNEL.82)
333 UINT16 WINAPI WIN16_lread( HFILE16 hFile, SEGPTR buffer, UINT16 count )
335 return (UINT16)WIN16_hread( hFile, buffer, (LONG)count );
339 /***********************************************************************
340 * GetTempDrive (KERNEL.92)
341 * A closer look at krnl386.exe shows what the SDK doesn't mention:
343 * returns:
344 * AL: driveletter
345 * AH: ':' - yes, some kernel code even does stosw with
346 * the returned AX.
347 * DX: 1 for success
349 UINT WINAPI GetTempDrive( BYTE ignored )
351 WCHAR buffer[8];
352 BYTE ret;
354 if (GetTempPathW( 8, buffer )) ret = (BYTE)toupperW(buffer[0]);
355 else ret = 'C';
356 return MAKELONG( ret | (':' << 8), 1 );
360 /***********************************************************************
361 * GetTempFileName (KERNEL.97)
363 UINT16 WINAPI GetTempFileName16( BYTE drive, LPCSTR prefix, UINT16 unique,
364 LPSTR buffer )
366 char temppath[MAX_PATH];
367 char *prefix16 = NULL;
368 UINT16 ret;
370 if (!(drive & ~TF_FORCEDRIVE)) /* drive 0 means current default drive */
372 GetCurrentDirectoryA(sizeof(temppath), temppath);
373 drive |= temppath[0];
376 if (drive & TF_FORCEDRIVE)
378 char d[3];
380 d[0] = drive & ~TF_FORCEDRIVE;
381 d[1] = ':';
382 d[2] = '\0';
383 if (GetDriveTypeA(d) == DRIVE_NO_ROOT_DIR)
385 drive &= ~TF_FORCEDRIVE;
386 WARN("invalid drive %d specified\n", drive );
390 if (drive & TF_FORCEDRIVE)
391 sprintf(temppath,"%c:", drive & ~TF_FORCEDRIVE );
392 else
393 GetTempPathA( MAX_PATH, temppath );
395 if (prefix)
397 prefix16 = HeapAlloc(GetProcessHeap(), 0, strlen(prefix) + 2);
398 *prefix16 = '~';
399 strcpy(prefix16 + 1, prefix);
402 ret = GetTempFileNameA( temppath, prefix16, unique, buffer );
404 HeapFree(GetProcessHeap(), 0, prefix16);
405 return ret;
409 /***********************************************************************
410 * GetPrivateProfileInt (KERNEL.127)
412 UINT16 WINAPI GetPrivateProfileInt16( LPCSTR section, LPCSTR entry,
413 INT16 def_val, LPCSTR filename )
415 /* we used to have some elaborate return value limitation (<= -32768 etc.)
416 * here, but Win98SE doesn't care about this at all, so I deleted it.
417 * AFAIR versions prior to Win9x had these limits, though. */
418 return (INT16)GetPrivateProfileIntA(section,entry,def_val,filename);
422 /***********************************************************************
423 * WritePrivateProfileString (KERNEL.129)
425 BOOL16 WINAPI WritePrivateProfileString16( LPCSTR section, LPCSTR entry,
426 LPCSTR string, LPCSTR filename )
428 return WritePrivateProfileStringA(section,entry,string,filename);
432 /***********************************************************************
433 * GetWindowsDirectory (KERNEL.134)
435 UINT16 WINAPI GetWindowsDirectory16( LPSTR path, UINT16 count )
437 return GetWindowsDirectoryA( path, count );
441 /***********************************************************************
442 * GetSystemDirectory (KERNEL.135)
444 UINT16 WINAPI GetSystemDirectory16( LPSTR path, UINT16 count )
446 return GetSystemDirectoryA( path, count );
450 /***********************************************************************
451 * GetDriveType (KERNEL.136)
452 * This function returns the type of a drive in Win16.
453 * Note that it returns DRIVE_REMOTE for CD-ROMs, since MSCDEX uses the
454 * remote drive API. The return value DRIVE_REMOTE for CD-ROMs has been
455 * verified on Win 3.11 and Windows 95. Some programs rely on it, so don't
456 * do any pseudo-clever changes.
458 UINT16 WINAPI GetDriveType16( UINT16 drive ) /* [in] number (NOT letter) of drive */
460 UINT type;
461 WCHAR root[3];
463 root[0] = 'A' + drive;
464 root[1] = ':';
465 root[2] = 0;
466 type = GetDriveTypeW( root );
467 if (type == DRIVE_CDROM) type = DRIVE_REMOTE;
468 else if (type == DRIVE_NO_ROOT_DIR) type = DRIVE_UNKNOWN;
469 return type;
473 /***********************************************************************
474 * GetProfileSectionNames (KERNEL.142)
476 WORD WINAPI GetProfileSectionNames16(LPSTR buffer, WORD size)
479 return GetPrivateProfileSectionNamesA(buffer,size,"win.ini");
483 /***********************************************************************
484 * GetPrivateProfileSectionNames (KERNEL.143)
486 WORD WINAPI GetPrivateProfileSectionNames16( LPSTR buffer, WORD size,
487 LPCSTR filename )
489 return GetPrivateProfileSectionNamesA(buffer,size,filename);
493 /***********************************************************************
494 * CreateDirectory (KERNEL.144)
496 BOOL16 WINAPI CreateDirectory16( LPCSTR path, LPVOID dummy )
498 return CreateDirectoryA( path, NULL );
502 /***********************************************************************
503 * RemoveDirectory (KERNEL.145)
505 BOOL16 WINAPI RemoveDirectory16( LPCSTR path )
507 return RemoveDirectoryA( path );
511 /***********************************************************************
512 * DeleteFile (KERNEL.146)
514 BOOL16 WINAPI DeleteFile16( LPCSTR path )
516 return DeleteFileA( path );
520 /***********************************************************************
521 * SetHandleCount (KERNEL.199)
523 UINT16 WINAPI SetHandleCount16( UINT16 count )
525 return SetHandleCount( count );
529 /***********************************************************************
530 * _hread16 (KERNEL.349)
532 LONG WINAPI _hread16( HFILE16 hFile, LPVOID buffer, LONG count)
534 return _lread( (HFILE)DosFileHandleToWin32Handle(hFile), buffer, count );
538 /***********************************************************************
539 * _hwrite (KERNEL.350)
541 LONG WINAPI _hwrite16( HFILE16 hFile, LPCSTR buffer, LONG count )
543 return _hwrite( (HFILE)DosFileHandleToWin32Handle(hFile), buffer, count );
547 /***********************************************************************
548 * WritePrivateProfileStruct (KERNEL.406)
550 BOOL16 WINAPI WritePrivateProfileStruct16 (LPCSTR section, LPCSTR key,
551 LPVOID buf, UINT16 bufsize, LPCSTR filename)
553 return WritePrivateProfileStructA( section, key, buf, bufsize, filename );
557 /***********************************************************************
558 * GetPrivateProfileStruct (KERNEL.407)
560 BOOL16 WINAPI GetPrivateProfileStruct16(LPCSTR section, LPCSTR key,
561 LPVOID buf, UINT16 len, LPCSTR filename)
563 return GetPrivateProfileStructA( section, key, buf, len, filename );
567 /***********************************************************************
568 * GetCurrentDirectory (KERNEL.411)
570 UINT16 WINAPI GetCurrentDirectory16( UINT16 buflen, LPSTR buf )
572 return GetCurrentDirectoryA( buflen, buf );
576 /***********************************************************************
577 * SetCurrentDirectory (KERNEL.412)
579 BOOL16 WINAPI SetCurrentDirectory16( LPCSTR dir )
581 char fulldir[MAX_PATH];
583 if (!GetFullPathNameA( dir, MAX_PATH, fulldir, NULL )) return FALSE;
585 if (!SetCurrentDirectoryA( dir )) return FALSE;
587 if (fulldir[0] && fulldir[1] == ':')
589 TDB *pTask = GlobalLock16( GetCurrentTask() );
590 char env_var[4] = "=A:";
592 env_var[1] = fulldir[0];
593 SetEnvironmentVariableA( env_var, fulldir );
595 /* update the directory in the TDB */
596 if (pTask)
598 pTask->curdrive = 0x80 | (fulldir[0] - 'A');
599 GetShortPathNameA( fulldir + 2, pTask->curdir, sizeof(pTask->curdir) );
602 return TRUE;
606 /*************************************************************************
607 * FindFirstFile (KERNEL.413)
609 HANDLE16 WINAPI FindFirstFile16( LPCSTR path, WIN32_FIND_DATAA *data )
611 HGLOBAL16 h16;
612 HANDLE handle, *ptr;
614 if (!(h16 = GlobalAlloc16( GMEM_MOVEABLE, sizeof(handle) ))) return INVALID_HANDLE_VALUE16;
615 ptr = GlobalLock16( h16 );
616 *ptr = handle = FindFirstFileA( path, data );
617 GlobalUnlock16( h16 );
619 if (handle == INVALID_HANDLE_VALUE)
621 GlobalFree16( h16 );
622 h16 = INVALID_HANDLE_VALUE16;
624 return h16;
628 /*************************************************************************
629 * FindNextFile (KERNEL.414)
631 BOOL16 WINAPI FindNextFile16( HANDLE16 handle, WIN32_FIND_DATAA *data )
633 HANDLE *ptr;
634 BOOL ret = FALSE;
636 if ((handle == INVALID_HANDLE_VALUE16) || !(ptr = GlobalLock16( handle )))
638 SetLastError( ERROR_INVALID_HANDLE );
639 return ret;
641 ret = FindNextFileA( *ptr, data );
642 GlobalUnlock16( handle );
643 return ret;
647 /*************************************************************************
648 * FindClose (KERNEL.415)
650 BOOL16 WINAPI FindClose16( HANDLE16 handle )
652 HANDLE *ptr;
654 if ((handle == INVALID_HANDLE_VALUE16) || !(ptr = GlobalLock16( handle )))
656 SetLastError( ERROR_INVALID_HANDLE );
657 return FALSE;
659 FindClose( *ptr );
660 GlobalUnlock16( handle );
661 GlobalFree16( handle );
662 return TRUE;
666 /***********************************************************************
667 * WritePrivateProfileSection (KERNEL.416)
669 BOOL16 WINAPI WritePrivateProfileSection16( LPCSTR section,
670 LPCSTR string, LPCSTR filename )
672 return WritePrivateProfileSectionA( section, string, filename );
676 /***********************************************************************
677 * WriteProfileSection (KERNEL.417)
679 BOOL16 WINAPI WriteProfileSection16( LPCSTR section, LPCSTR keys_n_values)
681 return WritePrivateProfileSection16( section, keys_n_values, "win.ini");
685 /***********************************************************************
686 * GetPrivateProfileSection (KERNEL.418)
688 INT16 WINAPI GetPrivateProfileSection16( LPCSTR section, LPSTR buffer,
689 UINT16 len, LPCSTR filename )
691 return GetPrivateProfileSectionA( section, buffer, len, filename );
695 /***********************************************************************
696 * GetProfileSection (KERNEL.419)
698 INT16 WINAPI GetProfileSection16( LPCSTR section, LPSTR buffer, UINT16 len )
700 return GetPrivateProfileSection16( section, buffer, len, "win.ini" );
704 /**************************************************************************
705 * GetFileAttributes (KERNEL.420)
707 DWORD WINAPI GetFileAttributes16( LPCSTR name )
709 return GetFileAttributesA( name );
713 /**************************************************************************
714 * SetFileAttributes (KERNEL.421)
716 BOOL16 WINAPI SetFileAttributes16( LPCSTR lpFileName, DWORD attributes )
718 return SetFileAttributesA( lpFileName, attributes );
722 /***********************************************************************
723 * GetDiskFreeSpace (KERNEL.422)
725 BOOL16 WINAPI GetDiskFreeSpace16( LPCSTR root, LPDWORD cluster_sectors,
726 LPDWORD sector_bytes, LPDWORD free_clusters,
727 LPDWORD total_clusters )
729 return GetDiskFreeSpaceA( root, cluster_sectors, sector_bytes,
730 free_clusters, total_clusters );