160 lines
2.8 KiB
C
160 lines
2.8 KiB
C
|
/*++
|
||
|
|
|
||
|
|
Copyright (c) 1989 Microsoft Corporation
|
||
|
|
|
||
|
|
Module Name:
|
||
|
|
|
||
|
|
conrqust.c
|
||
|
|
|
||
|
|
Abstract:
|
||
|
|
|
||
|
|
This module contains the handler for console requests.
|
||
|
|
|
||
|
|
Author:
|
||
|
|
|
||
|
|
Avi Nathan (avin) 17-Jul-1991
|
||
|
|
|
||
|
|
Environment:
|
||
|
|
|
||
|
|
User Mode Only
|
||
|
|
|
||
|
|
Revision History:
|
||
|
|
|
||
|
|
Ellen Aycock-Wright (ellena) 15-Sept-1991 Modified for POSIX
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
#define WIN32_ONLY
|
||
|
|
#include "psxses.h"
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <io.h>
|
||
|
|
#include <fcntl.h>
|
||
|
|
#include <errno.h>
|
||
|
|
|
||
|
|
//
|
||
|
|
// ServeConRequest -- perform a console request
|
||
|
|
//
|
||
|
|
// pReq - the request message
|
||
|
|
// pStatus - returned errno, 0 for success
|
||
|
|
//
|
||
|
|
// returns: TRUE (reply to the caller)
|
||
|
|
//
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
ServeConRequest(
|
||
|
|
IN PSCCONREQUEST pReq,
|
||
|
|
OUT PDWORD pStatus
|
||
|
|
)
|
||
|
|
{
|
||
|
|
DWORD IoLengthDone;
|
||
|
|
DWORD Rc;
|
||
|
|
HANDLE h;
|
||
|
|
int fd;
|
||
|
|
int error;
|
||
|
|
|
||
|
|
*pStatus = 0;
|
||
|
|
|
||
|
|
//
|
||
|
|
// If the KbdThread has not been started, we do IO in the
|
||
|
|
// conventional way. Since starting the thread depends on the
|
||
|
|
// user setting an environment variable, this is a backward-
|
||
|
|
// compatibility mode.
|
||
|
|
//
|
||
|
|
|
||
|
|
switch (pReq->Request) {
|
||
|
|
case ScReadFile:
|
||
|
|
fd = HandleToLong(pReq->d.IoBuf.Handle);
|
||
|
|
|
||
|
|
if (DoTrickyIO && _isatty(fd)) {
|
||
|
|
|
||
|
|
IoLengthDone = TermInput(hConsoleInput,
|
||
|
|
PsxSessionDataBase,
|
||
|
|
(unsigned int)pReq->d.IoBuf.Len,
|
||
|
|
pReq->d.IoBuf.Flags,
|
||
|
|
&error
|
||
|
|
);
|
||
|
|
} else {
|
||
|
|
_setmode(fd, _O_BINARY);
|
||
|
|
|
||
|
|
IoLengthDone = _read(fd,
|
||
|
|
PsxSessionDataBase,
|
||
|
|
(unsigned int)pReq->d.IoBuf.Len);
|
||
|
|
if (-1 == IoLengthDone) {
|
||
|
|
error = EBADF;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
pReq->d.IoBuf.Len = IoLengthDone;
|
||
|
|
|
||
|
|
if (IoLengthDone == -1) {
|
||
|
|
*pStatus = error;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ScWriteFile:
|
||
|
|
fd = HandleToLong(pReq->d.IoBuf.Handle);
|
||
|
|
|
||
|
|
if (fd > 2) {
|
||
|
|
fd++;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (DoTrickyIO && _isatty(fd)) {
|
||
|
|
IoLengthDone = TermOutput(hConsoleOutput,
|
||
|
|
(LPSTR)PsxSessionDataBase,
|
||
|
|
(DWORD)pReq->d.IoBuf.Len);
|
||
|
|
} else {
|
||
|
|
// not a tty.
|
||
|
|
|
||
|
|
_setmode(fd, _O_BINARY);
|
||
|
|
|
||
|
|
IoLengthDone = _write(fd, PsxSessionDataBase,
|
||
|
|
(unsigned int)pReq->d.IoBuf.Len);
|
||
|
|
}
|
||
|
|
pReq->d.IoBuf.Len = IoLengthDone;
|
||
|
|
if (-1 == IoLengthDone) {
|
||
|
|
*pStatus = EBADF;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ScKbdCharIn:
|
||
|
|
Rc = GetPsxChar(&pReq->d.AsciiChar);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ScIsatty:
|
||
|
|
if (!DoTrickyIO) {
|
||
|
|
// then it's never a tty.
|
||
|
|
pReq->d.IoBuf.Len = 0;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
pReq->d.IoBuf.Len = (_isatty(HandleToLong(pReq->d.IoBuf.Handle)) != 0);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ScIsatty2:
|
||
|
|
|
||
|
|
pReq->d.IoBuf.Len = (_isatty(HandleToLong(pReq->d.IoBuf.Handle)) != 0);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ScOpenFile:
|
||
|
|
fd = _open("CONIN$", _O_RDWR);
|
||
|
|
_open("CONOUT$", _O_RDWR);
|
||
|
|
|
||
|
|
pReq->d.IoBuf.Handle = (HANDLE)fd;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case ScCloseFile:
|
||
|
|
#if 0
|
||
|
|
//
|
||
|
|
// This code causes the keybd thread to fail ReadConsole() with
|
||
|
|
// STATUS_INVALID_HANDLE.
|
||
|
|
//
|
||
|
|
_close((int)pReq->d.IoBuf.Handle);
|
||
|
|
#endif
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
*pStatus = EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|