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Length: 2292 (0x8f4)
Types: TextFile
Names: »makeraw.c«
└─⟦a0efdde77⟧ Bits:30001252 EUUGD11 Tape, 1987 Spring Conference Helsinki
└─⟦this⟧ »EUUGD11/euug-87hel/sec8/uutty/makeraw.c«
/* Tell the device driver to do raw I/O on the device.
* Unfortunately, this is done in different ways on different
* brands of Unix. Make sure that your system is included
* somewhere in the following list.
*/
#include <dbg.h>
#ifdef BERK
# include <sgtty.h>
int ldisc = NETLDISC;
struct sgttyb sgttyb;
#endif
#ifdef PCIX
# include <termio.h>
struct termio termio;
#endif
#ifdef SYS5
# include <termio.h>
struct termio termio;
#endif
extern int baudmask; /* CBAUD mask, if baud rate specified */
extern int errno;
int flowcontrol = 1;
uint timeout = 100; /* Timeout in 0.1 second quanta */
makeraw(fn)
int fn; /* File number */
{ int i;
D5("makeraw(%d)",fn);
errno = 0;
#ifdef SYS5
i = ioctl(fn,TCGETA,&termio);
D4("makeraw: %d:\tcflag=%06o [old]",fn,termio.c_cflag);
D4("makeraw: %d:\tiflag=%06o [old]",fn,termio.c_iflag);
D4("makeraw: %d:\tlflag=%06o [old]",fn,termio.c_lflag);
D4("makeraw: %d:\toflag=%06o [old]",fn,termio.c_oflag);
D5("makeraw: ioctl(fn=%d,TCGETA=%d,&termio=%08X)=%d",fn,TCGETA,&termio,i);
if (baudmask) /* Wipe out all of cflag but speed */
termio.c_cflag = baudmask;
else termio.c_cflag &= CBAUD;
termio.c_cflag |= CS8 | CREAD | HUPCL;
termio.c_iflag = flowcontrol? (IXON | IXANY | IXOFF): 0;
termio.c_lflag = 0;
termio.c_oflag = 0;
termio.c_cc[4] = 0; /* Number of bytes to buffer up */
termio.c_cc[5] = timeout; /* Timeout in 0.1 sec units */
D4("makeraw: %d:\tcflag=%06o [new]",fn,termio.c_cflag);
D4("makeraw: %d:\tiflag=%06o [new]",fn,termio.c_iflag);
D4("makeraw: %d:\tlflag=%06o [new]",fn,termio.c_lflag);
D4("makeraw: %d:\toflag=%06o [new]",fn,termio.c_oflag);
i = ioctl(fn,TCSETA,&termio);
#endif
#ifdef SYS3
i = ioctl(fn,TCGETA,&termio);
termio.c_iflag |= IGNCR | IXON | IXANY | IXOFF;
termio.c_lflag = 0;
D5("makeraw: \tcflag=%06o",termio.c_cflag);
D5("makeraw: \tiflag=%06o",termio.c_iflag);
D5("makeraw: \tlflag=%06o",termio.c_lflag);
D5("makeraw: \toflag=%06o",termio.c_oflag);
i = ioctl(fn,TCSETA,&termio);
#endif
#ifdef BERK /* Berkeley Unix has its own conventions */
i = ioctl(fn,TIOCGETP,&sgttyb);
sgttyb.sg_flags = RAW | TANDEM;
ioctl(fn,TIOCSETP,&sgttyb);
if (errno) {
E("makeraw: Can't do raw i/o on \"%s\"",fnnam);
exit(-1);
}
#endif
D5("makeraw: %d is now raw",fn);
}