wine/dlls/w32sys.dll16/w32sys.c

120 lines
3.2 KiB
C

/*
* W32SYS
* helper DLL for Win32s
*
* Copyright (c) 1996 Anand Kumria
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <stdarg.h>
#include <stdio.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "windef.h"
#include "winbase.h"
#include "wine/windef16.h"
#include "wine/winbase16.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(dll);
typedef struct
{
BYTE bMajor;
BYTE bMinor;
WORD wBuildNumber;
BOOL16 fDebug;
} WIN32SINFO, *LPWIN32SINFO;
/***********************************************************************
* GetWin32sInfo (W32SYS.12)
* RETURNS
* 0 on success, 1 on failure
*/
WORD WINAPI GetWin32sInfo16(
LPWIN32SINFO lpInfo /* [out] Win32S special information */
) {
lpInfo->bMajor = 1;
lpInfo->bMinor = 3;
lpInfo->wBuildNumber = 0;
lpInfo->fDebug = FALSE;
return 0;
}
/***********************************************************************
* GetW32SysVersion (W32SYS.5)
*/
WORD WINAPI GetW32SysVersion16(void)
{
return 0x100;
}
/***********************************************************************
* GetPEResourceTable (W32SYS.7)
* retrieves the resourcetable from the passed filedescriptor
* RETURNS
* dunno what.
*/
WORD WINAPI GetPEResourceTable16(
HFILE16 hf /* [in] Handle of executable file */
) {
return 0;
}
/***********************************************************************
* LoadPeResource (W32SYS.11)
*/
DWORD WINAPI LoadPeResource16(WORD x,SEGPTR y) {
FIXME("(0x%04x,0x%08x),stub!\n",x,y);
return 0;
}
/**********************************************************************
* IsPeFormat (W32SYS.2)
* Check if a file is a PE format executable.
* RETURNS
* TRUE, if it is.
* FALSE if not.
*/
BOOL16 WINAPI IsPeFormat16( LPSTR fn, /* [in] filename of executable */
HFILE16 hf16 ) /* [in] open file, if filename is NULL */
{
BOOL16 ret = FALSE;
IMAGE_DOS_HEADER mzh;
OFSTRUCT ofs;
DWORD xmagic;
HFILE hf;
if (fn) hf = OpenFile(fn,&ofs,OF_READ);
else hf = (HFILE)DosFileHandleToWin32Handle( hf16 );
if (hf == HFILE_ERROR) return FALSE;
_llseek(hf,0,SEEK_SET);
if (sizeof(mzh)!=_lread(hf,&mzh,sizeof(mzh))) goto done;
if (mzh.e_magic!=IMAGE_DOS_SIGNATURE) goto done;
_llseek(hf,mzh.e_lfanew,SEEK_SET);
if (sizeof(DWORD)!=_lread(hf,&xmagic,sizeof(DWORD))) goto done;
ret = (xmagic == IMAGE_NT_SIGNATURE);
done:
if (fn) _lclose(hf);
return ret;
}