fix sccsid to use keywords and modern initialization syntax
[unix-history] / usr / src / sbin / slattach / slattach.c
#ifndef lint
static char sccsid[] = "@(#)slattach.c 4.1 (Berkeley) %G%";
#endif
#include <stdio.h>
#include <sys/param.h>
#include <sgtty.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <net/if.h>
#include <netdb.h>
#include <fcntl.h>
#ifndef lint
static char rcsid[] = "$Header: slattach.c,v 1.1 84/10/04 12:57:12 rick Exp $";
#endif
#define DEFAULT_BAUD 9600
int speed;
int slipdisc = SLIPDISC;
char devname[32];
char hostname[MAXHOSTNAMELEN];
extern int errno;
main(argc, argv)
int argc;
char *argv[];
{
register FILE *fp;
register int fd;
register char *dev = argv[1];
struct sgttyb sgtty;
int n;
if (argc < 2 || argc > 3) {
fprintf(stderr, "usage: %s ttyname [baudrate]\n", argv[0]);
exit(1);
}
speed = argc == 3 ? findspeed(atoi(argv[2])) : findspeed(DEFAULT_BAUD);
if (speed == 0) {
fprintf(stderr, "unknown speed %s", argv[2]);
exit(1);
}
if (strncmp("/dev/", dev, 5)) {
sprintf(devname, "/dev/%s", dev);
dev = devname;
}
if ((fd = open(dev, O_RDWR | O_NDELAY)) < 0) {
perror(dev);
exit(1);
}
sgtty.sg_flags = RAW | ANYP;
sgtty.sg_ispeed = sgtty.sg_ospeed = speed;
if (ioctl(fd, TIOCSETP, &sgtty) < 0) {
perror("ioctl(TIOCSETP)");
exit(1);
}
if (ioctl(fd, TIOCSETD, &slipdisc) < 0) {
perror("ioctl(TIOCSETD)");
exit(1);
}
if (fork() > 0)
exit(0);
for (;;)
sigpause(0);
}
struct sg_spds {
int sp_val, sp_name;
} spds[] = {
#ifdef B50
{ 50, B50 },
#endif
#ifdef B75
{ 75, B75 },
#endif
#ifdef B110
{ 110, B110 },
#endif
#ifdef B150
{ 150, B150 },
#endif
#ifdef B200
{ 200, B200 },
#endif
#ifdef B300
{ 300, B300 },
#endif
#ifdef B600
{ 600, B600 },
#endif
#ifdef B1200
{ 1200, B1200 },
#endif
#ifdef B1800
{ 1800, B1800 },
#endif
#ifdef B2000
{ 2000, B2000 },
#endif
#ifdef B2400
{ 2400, B2400 },
#endif
#ifdef B3600
{ 3600, B3600 },
#endif
#ifdef B4800
{ 4800, B4800 },
#endif
#ifdef B7200
{ 7200, B7200 },
#endif
#ifdef B9600
{ 9600, B9600 },
#endif
#ifdef EXTA
{ 19200, EXTA },
#endif
#ifdef EXTB
{ 38400, EXTB },
#endif
{ 0, 0 }
};
findspeed(speed)
register int speed;
{
register struct sg_spds *sp;
sp = spds;
while (sp->sp_val && sp->sp_val != speed)
sp++;
return (sp->sp_name);
}