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bd1fdeddaa
wine/dlls/kernel/file16.c
Alexandre Julliard bd1fdeddaa Update the drive environment strings when changing the current 
directory from 16-bit or DOS code.
2004-04-16 00:08:11 +00:00

723 lines
22 KiB
C
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/*
* File handling functions
*
* Copyright 1993 John Burton
* Copyright 1996 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* TODO:
* Fix the CopyFileEx methods to implement the "extended" functionality.
* Right now, they simply call the CopyFile method.
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <stdio.h>
#include <assert.h>
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "winerror.h"
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "winternl.h"
#include "wine/winbase16.h"
#include "wine/server.h"
#include "kernel_private.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(file);
/***********************************************************************
* GetProfileInt (KERNEL.57)
*/
UINT16 WINAPI GetProfileInt16( LPCSTR section, LPCSTR entry, INT16 def_val )
{
return GetPrivateProfileInt16( section, entry, def_val, "win.ini" );
}
/***********************************************************************
* GetProfileString (KERNEL.58)
*/
INT16 WINAPI GetProfileString16( LPCSTR section, LPCSTR entry, LPCSTR def_val,
LPSTR buffer, UINT16 len )
{
return GetPrivateProfileString16( section, entry, def_val,
buffer, len, "win.ini" );
}
/***********************************************************************
* WriteProfileString (KERNEL.59)
*/
BOOL16 WINAPI WriteProfileString16( LPCSTR section, LPCSTR entry,
LPCSTR string )
{
return WritePrivateProfileString16( section, entry, string, "win.ini" );
}
/* get the search path for the current module; helper for OpenFile16 */
static char *get_search_path(void)
{
UINT len;
char *ret, *p, module[OFS_MAXPATHNAME];
module[0] = 0;
if (GetCurrentTask() && GetModuleFileName16( GetCurrentTask(), module, sizeof(module) ))
{
if (!(p = strrchr( module, '\\' ))) p = module;
*p = 0;
}
len = (2 + /* search order: first current dir */
GetSystemDirectoryA( NULL, 0 ) + 1 + /* then system dir */
GetWindowsDirectoryA( NULL, 0 ) + 1 + /* then windows dir */
strlen( module ) + 1 + /* then module path */
GetEnvironmentVariableA( "PATH", NULL, 0 ) + 1); /* then look in PATH */
if (!(ret = HeapAlloc( GetProcessHeap(), 0, len ))) return NULL;
strcpy( ret, ".;" );
p = ret + 2;
GetSystemDirectoryA( p, ret + len - p );
p += strlen( p );
*p++ = ';';
GetWindowsDirectoryA( p, ret + len - p );
p += strlen( p );
*p++ = ';';
if (module[0])
{
strcpy( p, module );
p += strlen( p );
*p++ = ';';
}
GetEnvironmentVariableA( "PATH", p, ret + len - p );
return ret;
}
/***********************************************************************
* OpenFile (KERNEL.74)
* OpenFileEx (KERNEL.360)
*/
HFILE16 WINAPI OpenFile16( LPCSTR name, OFSTRUCT *ofs, UINT16 mode )
{
HFILE hFileRet;
HANDLE handle;
FILETIME filetime;
WORD filedatetime[2];
const char *p, *filename;
if (!ofs) return HFILE_ERROR;
TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",debugstr_a(name),
((mode & 0x3 )==OF_READ)?"OF_READ":
((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
);
ofs->cBytes = sizeof(OFSTRUCT);
ofs->nErrCode = 0;
if (mode & OF_REOPEN) name = ofs->szPathName;
if (!name) return HFILE_ERROR;
/* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
Are there any cases where getting the path here is wrong?
Uwe Bonnes 1997 Apr 2 */
if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
/* OF_PARSE simply fills the structure */
if (mode & OF_PARSE)
{
ofs->fFixedDisk = (GetDriveType16( ofs->szPathName[0]-'A' ) != DRIVE_REMOVABLE);
TRACE("(%s): OF_PARSE, res = '%s'\n", name, ofs->szPathName );
return 0;
}
/* OF_CREATE is completely different from all other options, so
handle it first */
if (mode & OF_CREATE)
{
DWORD access, sharing;
FILE_ConvertOFMode( mode, &access, &sharing );
if ((handle = CreateFileA( ofs->szPathName, GENERIC_READ | GENERIC_WRITE,
sharing, NULL, CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL, 0 ))== INVALID_HANDLE_VALUE)
goto error;
}
else
{
/* If OF_SEARCH is set, ignore the given path */
filename = name;
if ((mode & OF_SEARCH) && !(mode & OF_REOPEN))
{
/* First try the file name as is */
if (GetFileAttributesA( filename ) != INVALID_FILE_ATTRIBUTES) filename = NULL;
else
{
/* Now remove the path */
if (filename[0] && (filename[1] == ':')) filename += 2;
if ((p = strrchr( filename, '\\' ))) filename = p + 1;
if ((p = strrchr( filename, '/' ))) filename = p + 1;
if (!filename[0])
{
SetLastError( ERROR_FILE_NOT_FOUND );
goto error;
}
}
}
/* Now look for the file */
if (filename)
{
BOOL found;
char *path = get_search_path();
if (!path) goto error;
found = SearchPathA( path, filename, NULL, sizeof(ofs->szPathName),
ofs->szPathName, NULL );
HeapFree( GetProcessHeap(), 0, path );
if (!found) goto error;
}
TRACE("found %s\n", debugstr_a(ofs->szPathName) );
if (mode & OF_DELETE)
{
if (!DeleteFileA( ofs->szPathName )) goto error;
TRACE("(%s): OF_DELETE return = OK\n", name);
return 1;
}
handle = (HANDLE)_lopen( ofs->szPathName, mode );
if (handle == INVALID_HANDLE_VALUE) goto error;
GetFileTime( handle, NULL, NULL, &filetime );
FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
{
if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
{
CloseHandle( handle );
WARN("(%s): OF_VERIFY failed\n", name );
/* FIXME: what error here? */
SetLastError( ERROR_FILE_NOT_FOUND );
goto error;
}
}
ofs->Reserved1 = filedatetime[0];
ofs->Reserved2 = filedatetime[1];
}
TRACE("(%s): OK, return = %p\n", name, handle );
hFileRet = Win32HandleToDosFileHandle( handle );
if (hFileRet == HFILE_ERROR16) goto error;
if (mode & OF_EXIST) _lclose16( hFileRet ); /* Return the handle, but close it first */
return hFileRet;
error: /* We get here if there was an error opening the file */
ofs->nErrCode = GetLastError();
WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
return HFILE_ERROR16;
}
/***********************************************************************
* _lclose (KERNEL.81)
*/
HFILE16 WINAPI _lclose16( HFILE16 hFile )
{
if ((hFile >= DOS_TABLE_SIZE) || !dos_handles[hFile])
{
SetLastError( ERROR_INVALID_HANDLE );
return HFILE_ERROR16;
}
TRACE("%d (handle32=%p)\n", hFile, dos_handles[hFile] );
CloseHandle( dos_handles[hFile] );
dos_handles[hFile] = 0;
return 0;
}
/***********************************************************************
* _lcreat (KERNEL.83)
*/
HFILE16 WINAPI _lcreat16( LPCSTR path, INT16 attr )
{
return Win32HandleToDosFileHandle( (HANDLE)_lcreat( path, attr ) );
}
/***********************************************************************
* _llseek (KERNEL.84)
*
* FIXME:
* Seeking before the start of the file should be allowed for _llseek16,
* but cause subsequent I/O operations to fail (cf. interrupt list)
*
*/
LONG WINAPI _llseek16( HFILE16 hFile, LONG lOffset, INT16 nOrigin )
{
return SetFilePointer( DosFileHandleToWin32Handle(hFile), lOffset, NULL, nOrigin );
}
/***********************************************************************
* _lopen (KERNEL.85)
*/
HFILE16 WINAPI _lopen16( LPCSTR path, INT16 mode )
{
return Win32HandleToDosFileHandle( (HANDLE)_lopen( path, mode ) );
}
/***********************************************************************
* _lread16 (KERNEL.82)
*/
UINT16 WINAPI _lread16( HFILE16 hFile, LPVOID buffer, UINT16 count )
{
return (UINT16)_lread((HFILE)DosFileHandleToWin32Handle(hFile), buffer, (LONG)count );
}
/***********************************************************************
* _lwrite (KERNEL.86)
*/
UINT16 WINAPI _lwrite16( HFILE16 hFile, LPCSTR buffer, UINT16 count )
{
return (UINT16)_hwrite( (HFILE)DosFileHandleToWin32Handle(hFile), buffer, (LONG)count );
}
/***********************************************************************
* _hread (KERNEL.349)
*/
LONG WINAPI WIN16_hread( HFILE16 hFile, SEGPTR buffer, LONG count )
{
LONG maxlen;
TRACE("%d %08lx %ld\n", hFile, (DWORD)buffer, count );
/* Some programs pass a count larger than the allocated buffer */
maxlen = GetSelectorLimit16( SELECTOROF(buffer) ) - OFFSETOF(buffer) + 1;
if (count > maxlen) count = maxlen;
return _lread((HFILE)DosFileHandleToWin32Handle(hFile), MapSL(buffer), count );
}
/***********************************************************************
* _lread (KERNEL.82)
*/
UINT16 WINAPI WIN16_lread( HFILE16 hFile, SEGPTR buffer, UINT16 count )
{
return (UINT16)WIN16_hread( hFile, buffer, (LONG)count );
}
/***********************************************************************
* GetTempDrive (KERNEL.92)
* A closer look at krnl386.exe shows what the SDK doesn't mention:
*
* returns:
* AL: driveletter
* AH: ':' - yes, some kernel code even does stosw with
* the returned AX.
* DX: 1 for success
*/
UINT WINAPI GetTempDrive( BYTE ignored )
{
WCHAR buffer[8];
BYTE ret;
if (GetTempPathW( 8, buffer )) ret = (BYTE)toupperW(buffer[0]);
else ret = 'C';
return MAKELONG( ret | (':' << 8), 1 );
}
/***********************************************************************
* GetTempFileName (KERNEL.97)
*/
UINT16 WINAPI GetTempFileName16( BYTE drive, LPCSTR prefix, UINT16 unique,
LPSTR buffer )
{
char temppath[MAX_PATH];
char *prefix16 = NULL;
UINT16 ret;
if (!(drive & ~TF_FORCEDRIVE)) /* drive 0 means current default drive */
{
GetCurrentDirectoryA(sizeof(temppath), temppath);
drive |= temppath[0];
}
if (drive & TF_FORCEDRIVE)
{
char d[3];
d[0] = drive & ~TF_FORCEDRIVE;
d[1] = ':';
d[2] = '\0';
if (GetDriveTypeA(d) == DRIVE_NO_ROOT_DIR)
{
drive &= ~TF_FORCEDRIVE;
WARN("invalid drive %d specified\n", drive );
}
}
if (drive & TF_FORCEDRIVE)
sprintf(temppath,"%c:", drive & ~TF_FORCEDRIVE );
else
GetTempPathA( MAX_PATH, temppath );
if (prefix)
{
prefix16 = HeapAlloc(GetProcessHeap(), 0, strlen(prefix) + 2);
*prefix16 = '~';
strcpy(prefix16 + 1, prefix);
}
ret = GetTempFileNameA( temppath, prefix16, unique, buffer );
if (prefix16) HeapFree(GetProcessHeap(), 0, prefix16);
return ret;
}
/***********************************************************************
* GetPrivateProfileInt (KERNEL.127)
*/
UINT16 WINAPI GetPrivateProfileInt16( LPCSTR section, LPCSTR entry,
INT16 def_val, LPCSTR filename )
{
/* we used to have some elaborate return value limitation (<= -32768 etc.)
* here, but Win98SE doesn't care about this at all, so I deleted it.
* AFAIR versions prior to Win9x had these limits, though. */
return (INT16)GetPrivateProfileIntA(section,entry,def_val,filename);
}
/***********************************************************************
* WritePrivateProfileString (KERNEL.129)
*/
BOOL16 WINAPI WritePrivateProfileString16( LPCSTR section, LPCSTR entry,
LPCSTR string, LPCSTR filename )
{
return WritePrivateProfileStringA(section,entry,string,filename);
}
/***********************************************************************
* GetWindowsDirectory (KERNEL.134)
*/
UINT16 WINAPI GetWindowsDirectory16( LPSTR path, UINT16 count )
{
return GetWindowsDirectoryA( path, count );
}
/***********************************************************************
* GetSystemDirectory (KERNEL.135)
*/
UINT16 WINAPI GetSystemDirectory16( LPSTR path, UINT16 count )
{
return GetSystemDirectoryA( path, count );
}
/***********************************************************************
* GetDriveType (KERNEL.136)
* This function returns the type of a drive in Win16.
* Note that it returns DRIVE_REMOTE for CD-ROMs, since MSCDEX uses the
* remote drive API. The return value DRIVE_REMOTE for CD-ROMs has been
* verified on Win 3.11 and Windows 95. Some programs rely on it, so don't
* do any pseudo-clever changes.
*/
UINT16 WINAPI GetDriveType16( UINT16 drive ) /* [in] number (NOT letter) of drive */
{
UINT type;
WCHAR root[3];
root[0] = 'A' + drive;
root[1] = ':';
root[2] = 0;
type = GetDriveTypeW( root );
if (type == DRIVE_CDROM) type = DRIVE_REMOTE;
else if (type == DRIVE_NO_ROOT_DIR) type = DRIVE_UNKNOWN;
return type;
}
/***********************************************************************
* GetProfileSectionNames (KERNEL.142)
*/
WORD WINAPI GetProfileSectionNames16(LPSTR buffer, WORD size)
{
return GetPrivateProfileSectionNamesA(buffer,size,"win.ini");
}
/***********************************************************************
* GetPrivateProfileSectionNames (KERNEL.143)
*/
WORD WINAPI GetPrivateProfileSectionNames16( LPSTR buffer, WORD size,
LPCSTR filename )
{
return GetPrivateProfileSectionNamesA(buffer,size,filename);
}
/***********************************************************************
* CreateDirectory (KERNEL.144)
*/
BOOL16 WINAPI CreateDirectory16( LPCSTR path, LPVOID dummy )
{
return CreateDirectoryA( path, NULL );
}
/***********************************************************************
* RemoveDirectory (KERNEL.145)
*/
BOOL16 WINAPI RemoveDirectory16( LPCSTR path )
{
return RemoveDirectoryA( path );
}
/***********************************************************************
* DeleteFile (KERNEL.146)
*/
BOOL16 WINAPI DeleteFile16( LPCSTR path )
{
return DeleteFileA( path );
}
/***********************************************************************
* SetHandleCount (KERNEL.199)
*/
UINT16 WINAPI SetHandleCount16( UINT16 count )
{
return SetHandleCount( count );
}
/***********************************************************************
* _hread16 (KERNEL.349)
*/
LONG WINAPI _hread16( HFILE16 hFile, LPVOID buffer, LONG count)
{
return _lread( (HFILE)DosFileHandleToWin32Handle(hFile), buffer, count );
}
/***********************************************************************
* _hwrite (KERNEL.350)
*/
LONG WINAPI _hwrite16( HFILE16 hFile, LPCSTR buffer, LONG count )
{
return _hwrite( (HFILE)DosFileHandleToWin32Handle(hFile), buffer, count );
}
/***********************************************************************
* WritePrivateProfileStruct (KERNEL.406)
*/
BOOL16 WINAPI WritePrivateProfileStruct16 (LPCSTR section, LPCSTR key,
LPVOID buf, UINT16 bufsize, LPCSTR filename)
{
return WritePrivateProfileStructA( section, key, buf, bufsize, filename );
}
/***********************************************************************
* GetPrivateProfileStruct (KERNEL.407)
*/
BOOL16 WINAPI GetPrivateProfileStruct16(LPCSTR section, LPCSTR key,
LPVOID buf, UINT16 len, LPCSTR filename)
{
return GetPrivateProfileStructA( section, key, buf, len, filename );
}
/***********************************************************************
* SetCurrentDirectory (KERNEL.412)
*/
BOOL16 WINAPI SetCurrentDirectory16( LPCSTR dir )
{
char fulldir[MAX_PATH];
if (!GetFullPathNameA( dir, MAX_PATH, fulldir, NULL )) return FALSE;
if (fulldir[0] && fulldir[1] == ':')
{
char env_var[4] = "=A:";
env_var[1] = fulldir[0];
SetEnvironmentVariableA( env_var, fulldir );
}
return SetCurrentDirectoryA( dir );
}
/*************************************************************************
* FindFirstFile (KERNEL.413)
*/
HANDLE16 WINAPI FindFirstFile16( LPCSTR path, WIN32_FIND_DATAA *data )
{
HGLOBAL16 h16;
HANDLE handle, *ptr;
if (!(h16 = GlobalAlloc16( GMEM_MOVEABLE, sizeof(handle) ))) return INVALID_HANDLE_VALUE16;
ptr = GlobalLock16( h16 );
*ptr = handle = FindFirstFileA( path, data );
GlobalUnlock16( h16 );
if (handle == INVALID_HANDLE_VALUE)
{
GlobalFree16( h16 );
h16 = INVALID_HANDLE_VALUE16;
}
return h16;
}
/*************************************************************************
* FindNextFile (KERNEL.414)
*/
BOOL16 WINAPI FindNextFile16( HANDLE16 handle, WIN32_FIND_DATAA *data )
{
HANDLE *ptr;
BOOL ret = FALSE;
if ((handle == INVALID_HANDLE_VALUE16) || !(ptr = GlobalLock16( handle )))
{
SetLastError( ERROR_INVALID_HANDLE );
return ret;
}
ret = FindNextFileA( *ptr, data );
GlobalUnlock16( handle );
return ret;
}
/*************************************************************************
* FindClose (KERNEL.415)
*/
BOOL16 WINAPI FindClose16( HANDLE16 handle )
{
HANDLE *ptr;
if ((handle == INVALID_HANDLE_VALUE16) || !(ptr = GlobalLock16( handle )))
{
SetLastError( ERROR_INVALID_HANDLE );
return FALSE;
}
FindClose( *ptr );
GlobalUnlock16( handle );
GlobalFree16( handle );
return TRUE;
}
/***********************************************************************
* WritePrivateProfileSection (KERNEL.416)
*/
BOOL16 WINAPI WritePrivateProfileSection16( LPCSTR section,
LPCSTR string, LPCSTR filename )
{
return WritePrivateProfileSectionA( section, string, filename );
}
/***********************************************************************
* WriteProfileSection (KERNEL.417)
*/
BOOL16 WINAPI WriteProfileSection16( LPCSTR section, LPCSTR keys_n_values)
{
return WritePrivateProfileSection16( section, keys_n_values, "win.ini");
}
/***********************************************************************
* GetPrivateProfileSection (KERNEL.418)
*/
INT16 WINAPI GetPrivateProfileSection16( LPCSTR section, LPSTR buffer,
UINT16 len, LPCSTR filename )
{
return GetPrivateProfileSectionA( section, buffer, len, filename );
}
/***********************************************************************
* GetProfileSection (KERNEL.419)
*/
INT16 WINAPI GetProfileSection16( LPCSTR section, LPSTR buffer, UINT16 len )
{
return GetPrivateProfileSection16( section, buffer, len, "win.ini" );
}
/**************************************************************************
* GetFileAttributes (KERNEL.420)
*/
DWORD WINAPI GetFileAttributes16( LPCSTR name )
{
return GetFileAttributesA( name );
}
/**************************************************************************
* SetFileAttributes (KERNEL.421)
*/
BOOL16 WINAPI SetFileAttributes16( LPCSTR lpFileName, DWORD attributes )
{
return SetFileAttributesA( lpFileName, attributes );
}
/***********************************************************************
* GetDiskFreeSpace (KERNEL.422)
*/
BOOL16 WINAPI GetDiskFreeSpace16( LPCSTR root, LPDWORD cluster_sectors,
LPDWORD sector_bytes, LPDWORD free_clusters,
LPDWORD total_clusters )
{
return GetDiskFreeSpaceA( root, cluster_sectors, sector_bytes,
free_clusters, total_clusters );
}
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