mirror of
https://github.com/reactos/wine.git
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295 lines
8.1 KiB
C
295 lines
8.1 KiB
C
/*
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* File handling functions
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*
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* Copyright 1993 John Burton
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* Copyright 1996 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* TODO:
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* Fix the CopyFileEx methods to implement the "extended" functionality.
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* Right now, they simply call the CopyFile method.
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdarg.h>
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#include <stdio.h>
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#include <assert.h>
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#define NONAMELESSUNION
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#define NONAMELESSSTRUCT
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#include "winerror.h"
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#include "windef.h"
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#include "winbase.h"
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#include "winreg.h"
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#include "winternl.h"
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#include "wine/winbase16.h"
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#include "wine/server.h"
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#include "kernel_private.h"
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#include "wine/unicode.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(file);
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/***********************************************************************
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* _hread16 (KERNEL.349)
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*/
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LONG WINAPI _hread16( HFILE16 hFile, LPVOID buffer, LONG count)
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{
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return _lread( (HFILE)DosFileHandleToWin32Handle(hFile), buffer, count );
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}
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/***********************************************************************
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* _hwrite (KERNEL.350)
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*/
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LONG WINAPI _hwrite16( HFILE16 hFile, LPCSTR buffer, LONG count )
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{
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return _hwrite( (HFILE)DosFileHandleToWin32Handle(hFile), buffer, count );
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}
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/***********************************************************************
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* _lclose (KERNEL.81)
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*/
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HFILE16 WINAPI _lclose16( HFILE16 hFile )
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{
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if ((hFile >= DOS_TABLE_SIZE) || !dos_handles[hFile])
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{
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SetLastError( ERROR_INVALID_HANDLE );
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return HFILE_ERROR16;
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}
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TRACE("%d (handle32=%p)\n", hFile, dos_handles[hFile] );
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CloseHandle( dos_handles[hFile] );
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dos_handles[hFile] = 0;
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return 0;
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}
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/***********************************************************************
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* _lcreat (KERNEL.83)
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*/
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HFILE16 WINAPI _lcreat16( LPCSTR path, INT16 attr )
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{
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return Win32HandleToDosFileHandle( (HANDLE)_lcreat( path, attr ) );
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}
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/***********************************************************************
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* _llseek (KERNEL.84)
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*
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* FIXME:
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* Seeking before the start of the file should be allowed for _llseek16,
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* but cause subsequent I/O operations to fail (cf. interrupt list)
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*
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*/
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LONG WINAPI _llseek16( HFILE16 hFile, LONG lOffset, INT16 nOrigin )
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{
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return SetFilePointer( DosFileHandleToWin32Handle(hFile), lOffset, NULL, nOrigin );
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}
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/***********************************************************************
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* _lopen (KERNEL.85)
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*/
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HFILE16 WINAPI _lopen16( LPCSTR path, INT16 mode )
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{
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return Win32HandleToDosFileHandle( (HANDLE)_lopen( path, mode ) );
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}
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/***********************************************************************
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* _lread16 (KERNEL.82)
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*/
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UINT16 WINAPI _lread16( HFILE16 hFile, LPVOID buffer, UINT16 count )
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{
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return (UINT16)_lread((HFILE)DosFileHandleToWin32Handle(hFile), buffer, (LONG)count );
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}
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/***********************************************************************
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* _lwrite (KERNEL.86)
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*/
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UINT16 WINAPI _lwrite16( HFILE16 hFile, LPCSTR buffer, UINT16 count )
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{
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return (UINT16)_hwrite( (HFILE)DosFileHandleToWin32Handle(hFile), buffer, (LONG)count );
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}
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/***********************************************************************
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* _hread (KERNEL.349)
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*/
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LONG WINAPI WIN16_hread( HFILE16 hFile, SEGPTR buffer, LONG count )
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{
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LONG maxlen;
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TRACE("%d %08lx %ld\n", hFile, (DWORD)buffer, count );
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/* Some programs pass a count larger than the allocated buffer */
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maxlen = GetSelectorLimit16( SELECTOROF(buffer) ) - OFFSETOF(buffer) + 1;
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if (count > maxlen) count = maxlen;
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return _lread((HFILE)DosFileHandleToWin32Handle(hFile), MapSL(buffer), count );
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}
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/***********************************************************************
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* _lread (KERNEL.82)
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*/
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UINT16 WINAPI WIN16_lread( HFILE16 hFile, SEGPTR buffer, UINT16 count )
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{
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return (UINT16)WIN16_hread( hFile, buffer, (LONG)count );
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}
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/***********************************************************************
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* DeleteFile (KERNEL.146)
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*/
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BOOL16 WINAPI DeleteFile16( LPCSTR path )
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{
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return DeleteFileA( path );
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}
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/**************************************************************************
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* GetFileAttributes (KERNEL.420)
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*/
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DWORD WINAPI GetFileAttributes16( LPCSTR name )
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{
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return GetFileAttributesA( name );
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}
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/***********************************************************************
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* GetTempFileName (KERNEL.97)
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*/
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UINT16 WINAPI GetTempFileName16( BYTE drive, LPCSTR prefix, UINT16 unique,
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LPSTR buffer )
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{
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char temppath[MAX_PATH];
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char *prefix16 = NULL;
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UINT16 ret;
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if (!(drive & ~TF_FORCEDRIVE)) /* drive 0 means current default drive */
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{
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GetCurrentDirectoryA(sizeof(temppath), temppath);
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drive |= temppath[0];
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}
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if (drive & TF_FORCEDRIVE)
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{
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char d[3];
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d[0] = drive & ~TF_FORCEDRIVE;
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d[1] = ':';
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d[2] = '\0';
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if (GetDriveTypeA(d) == DRIVE_NO_ROOT_DIR)
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{
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drive &= ~TF_FORCEDRIVE;
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WARN("invalid drive %d specified\n", drive );
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}
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}
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if (drive & TF_FORCEDRIVE)
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sprintf(temppath,"%c:", drive & ~TF_FORCEDRIVE );
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else
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GetTempPathA( MAX_PATH, temppath );
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if (prefix)
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{
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prefix16 = HeapAlloc(GetProcessHeap(), 0, strlen(prefix) + 2);
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*prefix16 = '~';
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strcpy(prefix16 + 1, prefix);
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}
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ret = GetTempFileNameA( temppath, prefix16, unique, buffer );
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if (prefix16) HeapFree(GetProcessHeap(), 0, prefix16);
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return ret;
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}
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/**************************************************************************
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* SetFileAttributes (KERNEL.421)
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*/
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BOOL16 WINAPI SetFileAttributes16( LPCSTR lpFileName, DWORD attributes )
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{
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return SetFileAttributesA( lpFileName, attributes );
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}
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/***********************************************************************
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* SetHandleCount (KERNEL.199)
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*/
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UINT16 WINAPI SetHandleCount16( UINT16 count )
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{
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return SetHandleCount( count );
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}
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/*************************************************************************
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* FindFirstFile (KERNEL.413)
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*/
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HANDLE16 WINAPI FindFirstFile16( LPCSTR path, WIN32_FIND_DATAA *data )
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{
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HGLOBAL16 h16;
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HANDLE handle, *ptr;
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if (!(h16 = GlobalAlloc16( GMEM_MOVEABLE, sizeof(handle) ))) return INVALID_HANDLE_VALUE16;
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ptr = GlobalLock16( h16 );
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*ptr = handle = FindFirstFileA( path, data );
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GlobalUnlock16( h16 );
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if (handle == INVALID_HANDLE_VALUE)
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{
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GlobalFree16( h16 );
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h16 = INVALID_HANDLE_VALUE16;
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}
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return h16;
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}
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/*************************************************************************
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* FindNextFile (KERNEL.414)
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*/
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BOOL16 WINAPI FindNextFile16( HANDLE16 handle, WIN32_FIND_DATAA *data )
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{
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HANDLE *ptr;
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BOOL ret = FALSE;
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if ((handle == INVALID_HANDLE_VALUE16) || !(ptr = GlobalLock16( handle )))
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{
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SetLastError( ERROR_INVALID_HANDLE );
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return ret;
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}
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ret = FindNextFileA( *ptr, data );
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GlobalUnlock16( handle );
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return ret;
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}
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/*************************************************************************
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* FindClose (KERNEL.415)
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*/
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BOOL16 WINAPI FindClose16( HANDLE16 handle )
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{
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HANDLE *ptr;
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if ((handle == INVALID_HANDLE_VALUE16) || !(ptr = GlobalLock16( handle )))
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{
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SetLastError( ERROR_INVALID_HANDLE );
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return FALSE;
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}
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FindClose( *ptr );
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GlobalUnlock16( handle );
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GlobalFree16( handle );
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return TRUE;
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}
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