374 lines
9.9 KiB
C
374 lines
9.9 KiB
C
/*
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* Win32 kernel functions
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*
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* Copyright 1995 Martin von Loewis, Sven Verdoolaege, and Cameron Heide
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*/
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include <fcntl.h>
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#include <string.h>
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#include <time.h>
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#include "windows.h"
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#include "winbase.h"
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#include "winerror.h"
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#include "file.h"
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#include "heap.h"
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#include "handle32.h"
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#include "xmalloc.h"
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#include "stddebug.h"
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#define DEBUG_WIN32
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#include "debug.h"
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static int TranslateCreationFlags(DWORD create_flags);
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static int TranslateAccessFlags(DWORD access_flags);
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int TranslateProtectionFlags(DWORD);
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#ifndef MAP_ANON
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#define MAP_ANON 0
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#endif
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typedef struct {
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HFILE32 hfile;
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int prot;
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unsigned long size;
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} FILEMAP_OBJECT;
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/***********************************************************************
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* OpenFileMappingA (KERNEL32.397)
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* FIXME: stub
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*
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*/
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HANDLE32 OpenFileMapping(DWORD access, BOOL inherit,const char *fname)
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{
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return 0;
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}
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/***********************************************************************
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* CreateFileMapping32A (KERNEL32.46)
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*/
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HANDLE32 CreateFileMapping32A(HANDLE32 h,LPSECURITY_ATTRIBUTES ats,
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DWORD pot, DWORD sh, DWORD hlow, LPCSTR lpName )
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{
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FILEMAP_OBJECT *filemap_obj;
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dprintf_win32(stddeb,"CreateFileMapping32A(%08x,%p,%ld,%ld,%ld,%s)\n",
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h,ats,pot,sh,hlow,lpName
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);
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if (sh) {
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SetLastError(ErrnoToLastError(errno));
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return INVALID_HANDLE_VALUE32;
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}
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filemap_obj=(FILEMAP_OBJECT *)HeapAlloc( SystemHeap, 0,
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sizeof(FILEMAP_OBJECT) );
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if(filemap_obj == NULL) {
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SetLastError(ERROR_UNKNOWN);
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return 0;
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}
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if (h==INVALID_HANDLE_VALUE32)
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h=_lcreat32(lpName,1);/*FIXME*/
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filemap_obj->hfile = h;
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filemap_obj->prot = TranslateProtectionFlags(pot);
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filemap_obj->size = hlow;
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return (HANDLE32)filemap_obj;;
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}
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/***********************************************************************
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* CreateFileMapping32W (KERNEL32.47)
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*
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*/
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HANDLE32 CreateFileMapping32W(HANDLE32 h,LPSECURITY_ATTRIBUTES ats,
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DWORD pot, DWORD sh, DWORD hlow, LPCWSTR lpName)
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{
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LPSTR aname = HEAP_strdupWtoA( GetProcessHeap(), 0, lpName );
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HANDLE32 res = CreateFileMapping32A(h,ats,pot,sh,hlow,aname);
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HeapFree( GetProcessHeap(), 0, aname );
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return res;
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}
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/***********************************************************************
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* MapViewOfFile (KERNEL32.385)
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*/
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LPVOID MapViewOfFile(HANDLE32 handle, DWORD access, DWORD offhi,
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DWORD offlo, DWORD size)
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{
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return MapViewOfFileEx(handle,access,offhi,offlo,size,0);
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}
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/***********************************************************************
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* MapViewOfFileEx (KERNEL32.386)
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*
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*/
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LPVOID MapViewOfFileEx(HANDLE32 handle, DWORD access, DWORD offhi,
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DWORD offlo, DWORD size, DWORD st)
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{
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FILEMAP_OBJECT *fmap = (FILEMAP_OBJECT*)handle;
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if (!size) size = fmap->size;
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if (!size) size = 1;
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return mmap ((caddr_t)st, size, fmap->prot,
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MAP_ANON|MAP_PRIVATE,
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FILE_GetUnixHandle(fmap->hfile),
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offlo);
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}
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/***********************************************************************
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* UnmapViewOfFile (KERNEL32.385)
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*/
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BOOL32 UnmapViewOfFile(LPVOID address) {
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munmap(address,/*hmm*/1); /* FIXME: size? */
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return TRUE;
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}
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/***********************************************************************
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* WriteFile (KERNEL32.578)
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*/
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BOOL32 WriteFile(HFILE32 hFile, LPVOID lpBuffer, DWORD numberOfBytesToWrite,
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LPDWORD numberOfBytesWritten, LPOVERLAPPED lpOverlapped)
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{
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LONG res;
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res = _lwrite32(hFile,lpBuffer,numberOfBytesToWrite);
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if (res==-1) {
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SetLastError(ErrnoToLastError(errno));
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return FALSE;
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}
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if(numberOfBytesWritten)
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*numberOfBytesWritten = res;
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return TRUE;
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}
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/***********************************************************************
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* ReadFile (KERNEL32.428)
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*/
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BOOL32 ReadFile(HFILE32 hFile, LPVOID lpBuffer, DWORD numtoread,
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LPDWORD numread, LPOVERLAPPED lpOverlapped)
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{
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int actual_read;
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actual_read = _lread32(hFile,lpBuffer,numtoread);
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if(actual_read == -1) {
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SetLastError(ErrnoToLastError(errno));
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return FALSE;
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}
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if(numread)
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*numread = actual_read;
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return TRUE;
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}
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/*************************************************************************
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* CreateFile32A (KERNEL32.45)
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*
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* Doesn't support character devices, pipes, template files, or a
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* lot of the 'attributes' flags yet.
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*/
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HFILE32 CreateFile32A(LPCSTR filename, DWORD access, DWORD sharing,
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LPSECURITY_ATTRIBUTES security, DWORD creation,
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DWORD attributes, HANDLE32 template)
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{
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int access_flags, create_flags;
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/* Translate the various flags to Unix-style.
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*/
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access_flags = TranslateAccessFlags(access);
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create_flags = TranslateCreationFlags(creation);
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if(template)
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dprintf_file(stddeb, "CreateFile: template handles not supported.\n");
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/* If the name starts with '\\?' or '\\.', ignore the first 3 chars.
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*/
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if(!strncmp(filename, "\\\\?", 3) || !strncmp(filename, "\\\\.", 3))
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filename += 3;
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/* If the name still starts with '\\', it's a UNC name.
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*/
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if(!strncmp(filename, "\\\\", 2))
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{
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dprintf_file(stddeb, "CreateFile: UNC names not supported.\n");
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SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
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return HFILE_ERROR32;
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}
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/* If the name is either CONIN$ or CONOUT$, give them stdin
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* or stdout, respectively.
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*/
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if(!strcmp(filename, "CONIN$")) return GetStdHandle( STD_INPUT_HANDLE );
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if(!strcmp(filename, "CONOUT$")) return GetStdHandle( STD_OUTPUT_HANDLE );
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return FILE_Open( filename, access_flags | create_flags );
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}
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/*************************************************************************
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* CreateFile32W (KERNEL32.48)
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*/
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HFILE32 CreateFile32W(LPCWSTR filename, DWORD access, DWORD sharing,
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LPSECURITY_ATTRIBUTES security, DWORD creation,
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DWORD attributes, HANDLE32 template)
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{
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LPSTR afn = HEAP_strdupWtoA( GetProcessHeap(), 0, filename );
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HFILE32 res = CreateFile32A( afn, access, sharing, security, creation,
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attributes, template );
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HeapFree( GetProcessHeap(), 0, afn );
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return res;
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}
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static int TranslateAccessFlags(DWORD access_flags)
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{
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int rc = 0;
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switch(access_flags)
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{
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case GENERIC_READ:
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rc = O_RDONLY;
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break;
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case GENERIC_WRITE:
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rc = O_WRONLY;
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break;
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case (GENERIC_READ | GENERIC_WRITE):
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rc = O_RDWR;
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break;
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}
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return rc;
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}
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static int TranslateCreationFlags(DWORD create_flags)
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{
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int rc = 0;
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switch(create_flags)
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{
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case CREATE_NEW:
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rc = O_CREAT | O_EXCL;
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break;
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case CREATE_ALWAYS:
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rc = O_CREAT | O_TRUNC;
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break;
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case OPEN_EXISTING:
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rc = 0;
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break;
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case OPEN_ALWAYS:
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rc = O_CREAT;
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break;
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case TRUNCATE_EXISTING:
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rc = O_TRUNC;
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break;
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}
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return rc;
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}
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/**************************************************************************
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* SetFileAttributes16 (KERNEL.421)
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*/
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BOOL16 SetFileAttributes16( LPCSTR lpFileName, DWORD attributes )
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{
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return SetFileAttributes32A( lpFileName, attributes );
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}
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/**************************************************************************
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* SetFileAttributes32A (KERNEL32.490)
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*/
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BOOL32 SetFileAttributes32A(LPCSTR lpFileName, DWORD attributes)
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{
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struct stat buf;
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DOS_FULL_NAME full_name;
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if (!DOSFS_GetFullName( lpFileName, TRUE, &full_name ))
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return FALSE;
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dprintf_file(stddeb,"SetFileAttributes(%s,%lx)\n",lpFileName,attributes);
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if(stat(full_name.long_name,&buf)==-1)
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{
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SetLastError(ErrnoToLastError(errno));
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return FALSE;
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}
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if (attributes & FILE_ATTRIBUTE_READONLY)
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{
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buf.st_mode &= ~0222; /* octal!, clear write permission bits */
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attributes &= ~FILE_ATTRIBUTE_READONLY;
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}
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attributes &= ~(FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM);
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if (attributes)
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fprintf(stdnimp,"SetFileAttributesA(%s):%lx attribute(s) not implemented.\n",lpFileName,attributes);
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if (-1==chmod(full_name.long_name,buf.st_mode))
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{
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SetLastError(ErrnoToLastError(errno));
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return FALSE;
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}
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return TRUE;
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}
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/**************************************************************************
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* SetFileAttributes32W (KERNEL32.491)
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*/
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BOOL32 SetFileAttributes32W(LPCWSTR lpFileName, DWORD attributes)
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{
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LPSTR afn = HEAP_strdupWtoA( GetProcessHeap(), 0, lpFileName );
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BOOL32 res = SetFileAttributes32A( afn, attributes );
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HeapFree( GetProcessHeap(), 0, afn );
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return res;
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}
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VOID SetFileApisToOEM()
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{
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fprintf(stdnimp,"SetFileApisToOEM(),stub!\n");
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}
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VOID SetFileApisToANSI()
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{
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fprintf(stdnimp,"SetFileApisToANSI(),stub!\n");
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}
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BOOL32 AreFileApisANSI()
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{
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fprintf(stdnimp,"AreFileApisANSI(),stub!\n");
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return TRUE;
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}
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BOOL32
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LockFile(
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HFILE32 hFile,DWORD dwFileOffsetLow,DWORD dwFileOffsetHigh,
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DWORD nNumberOfBytesToLockLow,DWORD nNumberOfBytesToLockHigh )
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{
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fprintf(stdnimp,"LockFile(%d,0x%08lx%08lx,0x%08lx%08lx),stub!\n",
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hFile,dwFileOffsetHigh,dwFileOffsetLow,
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nNumberOfBytesToLockHigh,nNumberOfBytesToLockLow
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);
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return TRUE;
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}
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BOOL32
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UnlockFile(
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HFILE32 hFile,DWORD dwFileOffsetLow,DWORD dwFileOffsetHigh,
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DWORD nNumberOfBytesToUnlockLow,DWORD nNumberOfBytesToUnlockHigh )
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{
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fprintf(stdnimp,"UnlockFile(%d,0x%08lx%08lx,0x%08lx%08lx),stub!\n",
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hFile,dwFileOffsetHigh,dwFileOffsetLow,
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nNumberOfBytesToUnlockHigh,nNumberOfBytesToUnlockLow
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);
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return TRUE;
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}
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