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greg |
1.1 |
/* Copyright (c) 1988 Regents of the University of California */
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#ifndef lint
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static char SCCSid[] = "$SunId$ LBL";
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#endif
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/*
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* suncom.c - program to read and edit raw tty input.
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*
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* 10/5/88
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*/
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#include <stdio.h>
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#include <sys/ioctl.h>
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#define INITSTR "" /* TTY initialization string */
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struct sgttyb ttymode;
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main(argc, argv) /* called with pid to signal and pipe fd */
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int argc;
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char *argv[];
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{
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int outfd;
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greg |
1.3 |
if (argc != 2)
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greg |
1.1 |
exit(1);
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greg |
1.3 |
outfd = atoi(argv[1]);
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greg |
1.1 |
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fputs(INITSTR, stdout);
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fflush(stdout);
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/* reassign stdout */
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if (outfd != fileno(stdout)) {
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dup2(outfd, fileno(stdout));
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close(outfd);
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}
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/* set tty modes */
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if (!isatty(0))
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exit(1);
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ioctl(0, TIOCGETP, &ttymode);
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ttymode.sg_flags |= RAW; /* also turns output */
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ttymode.sg_flags &= ~ECHO; /* processing off */
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ioctl(0, TIOCSETP, &ttymode);
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/* read lines from input */
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for ( ; ; ) {
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greg |
1.3 |
ungetc(getc(stdin), stdin); /* notify caller */
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putc(' ', stdout);
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fflush(stdout);
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greg |
1.1 |
sendline();
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}
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}
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int
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getch() /* get a character in raw mode */
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{
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return(getc(stdin));
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}
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sends(s) /* send a string to stdout */
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register char *s;
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{
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do
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putc(*s, stdout);
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while (*s++);
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fflush(stdout);
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}
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sendline() /* read a line in raw mode */
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{
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char buf[256];
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greg |
1.2 |
editline(buf, getch, sends);
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greg |
1.1 |
putc('\0', stdout);
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sends(buf);
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}
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