diff options
Diffstat (limited to 'usr.bin/tip/aculib/df.c')
| -rw-r--r-- | usr.bin/tip/aculib/df.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/usr.bin/tip/aculib/df.c b/usr.bin/tip/aculib/df.c new file mode 100644 index 0000000..5f294f9 --- /dev/null +++ b/usr.bin/tip/aculib/df.c @@ -0,0 +1,132 @@ +/* + * Copyright (c) 1983, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char sccsid[] = "@(#)df.c 8.1 (Berkeley) 6/6/93"; +#endif /* not lint */ + +/* + * Dial the DF02-AC or DF03-AC + */ + +#include "tip.h" + +static jmp_buf Sjbuf; +static void timeout(); + +df02_dialer(num, acu) + char *num, *acu; +{ + + return (df_dialer(num, acu, 0)); +} + +df03_dialer(num, acu) + char *num, *acu; +{ + + return (df_dialer(num, acu, 1)); +} + +df_dialer(num, acu, df03) + char *num, *acu; + int df03; +{ + register int f = FD; + struct sgttyb buf; + int speed = 0, rw = 2; + char c = '\0'; + + ioctl(f, TIOCHPCL, 0); /* make sure it hangs up when done */ + if (setjmp(Sjbuf)) { + printf("connection timed out\r\n"); + df_disconnect(); + return (0); + } + if (boolean(value(VERBOSE))) + printf("\ndialing..."); + fflush(stdout); +#ifdef TIOCMSET + if (df03) { + int st = TIOCM_ST; /* secondary Transmit flag */ + + ioctl(f, TIOCGETP, &buf); + if (buf.sg_ospeed != B1200) { /* must dial at 1200 baud */ + speed = buf.sg_ospeed; + buf.sg_ospeed = buf.sg_ispeed = B1200; + ioctl(f, TIOCSETP, &buf); + ioctl(f, TIOCMBIC, &st); /* clear ST for 300 baud */ + } else + ioctl(f, TIOCMBIS, &st); /* set ST for 1200 baud */ + } +#endif + signal(SIGALRM, timeout); + alarm(5 * strlen(num) + 10); + ioctl(f, TIOCFLUSH, &rw); + write(f, "\001", 1); + sleep(1); + write(f, "\002", 1); + write(f, num, strlen(num)); + read(f, &c, 1); +#ifdef TIOCMSET + if (df03 && speed) { + buf.sg_ispeed = buf.sg_ospeed = speed; + ioctl(f, TIOCSETP, &buf); + } +#endif + return (c == 'A'); +} + +df_disconnect() +{ + int rw = 2; + + write(FD, "\001", 1); + sleep(1); + ioctl(FD, TIOCFLUSH, &rw); +} + + +df_abort() +{ + + df_disconnect(); +} + + +static void +timeout() +{ + + longjmp(Sjbuf, 1); +} |
