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Fixed the modem control part of EscapeCommFunction16.

This commit is contained in:
Lawson Whitney 1999-04-04 12:38:35 +00:00 committed by Alexandre Julliard
parent ffa0b1313f
commit 96b93bb7f7
1 changed files with 20 additions and 10 deletions
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30
misc/comm.c
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@ -6,6 +6,9 @@
* Mar 31, 1999. Ove Kåven <ovek@arcticnet.no>
* - Implemented buffers and EnableCommNotification.
*
* Apr 3, 1999. Lawson Whitney <lawson_whitney@juno.com>
* - Fixed the modem control part of EscapeCommFunction16.
*
* Mar 3, 1999. Ove Kåven <ovek@arcticnet.no>
* - Use port indices instead of unixfds for win16
* - Moved things around (separated win16 and win32 routines)
@ -212,6 +215,16 @@ static unsigned comm_outbuf(struct DosDeviceStruct *ptr)
+ ptr->obuf_head - ptr->obuf_tail;
}
static int COMM_WhackModem(int fd, unsigned int andy, unsigned int orrie)
{
unsigned int mstat, okay;
okay = ioctl(fd, TIOCMGET, &mstat);
if (okay) return okay;
if (andy) mstat &= andy;
mstat |= orrie;
return ioctl(fd, TIOCMSET, &mstat);
}
static void comm_notification(int fd,void*private)
{
struct DosDeviceStruct *ptr = (struct DosDeviceStruct *)private;
@ -577,24 +590,21 @@ LONG WINAPI EscapeCommFunction16(UINT16 cid,UINT16 nFunction)
#ifdef TIOCM_DTR
case CLRDTR:
port.c_cflag &= TIOCM_DTR;
break;
return COMM_WhackModem(ptr->fd, ~TIOCM_DTR, 0);
#endif
#ifdef TIOCM_RTS
case CLRRTS:
port.c_cflag &= TIOCM_RTS;
break;
return COMM_WhackModem(ptr->fd, ~TIOCM_RTS, 0);
#endif
#ifdef CRTSCTS
#ifdef TIOCM_DTR
case SETDTR:
port.c_cflag |= CRTSCTS;
break;
return COMM_WhackModem(ptr->fd, 0, TIOCM_DTR);
#endif
#ifdef TIOCM_RTS
case SETRTS:
port.c_cflag |= CRTSCTS;
break;
return COMM_WhackModem(ptr->fd, 0, TIOCM_RTS);
#endif
case SETXOFF: