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Bring in lptcontrol from 1.1.5.1

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Submitted by:	Geoff
This commit is contained in:
csgr 1994-09-03 13:10:09 +00:00
commit 2388a15981
3 changed files with 165 additions and 0 deletions
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5
usr.sbin/lptcontrol/Makefile Normal file
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PROG= lptcontrol
CFLAGS+= -Wall
MAN8= lptcontrol.8
.include <bsd.prog.mk>

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usr.sbin/lptcontrol/lptcontrol.8 Normal file
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.\"
.\" lptcontrol - a utility for manipulating the lpt driver
.\"
.\" 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.
.\"
.\"
.\" $Id: lptcontrol.1,v 1.3 1994/05/22 12:31:54 csgr Exp $
.TH lptcontrol 1 "March 12, 1994" "" "FreeBSD"
.SH NAME
lptcontrol - a utility for manipulating the lpt printer driver.
.SH SYNOPSIS
.na
.B lptcontrol
.RB [options]
.SH DESCRIPTION
The
.B lptcontrol
command is used to set either the interrupt-driven or polling mode
of individual lpt devices. When a printer is switched between
interrupt-driven and polled mode, this change will only take effect
the next time the device is opened.
.SH OPTIONS
.TP
The following command line options are supported.
.TP
.B \-i
Turns on interrupt-driven mode.
.TP
.B \-p
Turns on polled mode.
.TP
.BI "\-f\ " file
Sets the mode of the printer device specified by
.I file.
The default value for
.I file
is
.I /dev/lpt0
.TP
One of
.B \-i
or
.B \-p
must be specified.
.PP
.SH FILES
/dev/lpt?
.PP
.SH BUGS
If the port to be controlled does not have a printer connected and
on-line, then lptcontrol will not be able to open the port in question
for performing ioctl's and will fail.
.sp
Sure to be others.
.SH "SEE ALSO"
.BR lpt (4) ,
.BR /sys/i386/conf/GENERICAH
.SH AUTHOR
Geoffrey M. Rehmet

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usr.sbin/lptcontrol/lptcontrol.c Normal file
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/*
* Copyright (c) 1994 Geoffrey M. Rehmet
* 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 Geoffrey M. Rehmet
* 4. The name of the author may not be used to endorse or promote products
* derived from this software withough specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* $Id: lptcontrol.c,v 1.2 1994/04/08 22:23:39 csgr Exp $
*/
#include <sys/types.h>
#include <sys/file.h>
#include <sys/ioctl.h>
#include <machine/lpt.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <sys/errno.h>
#define DEFAULT_LPT "/dev/lpt0"
#define IRQ_INVALID -1
#define DO_POLL 0
#define USE_IRQ 1
static char default_printer[] = DEFAULT_LPT;
static void usage(const char * progname)
{
fprintf(stderr, "usage: %s -i | -p [-f <file name>]\n", progname);
exit(1);
}
static void set_interrupt_status(int irq_status, const char * file)
{
int fd;
if((fd = open(file, O_WRONLY, 0660)) < 0) {
perror("open");
exit(1);
}
if(ioctl(fd, LPT_IRQ, &irq_status) < 0) {
perror("ioctl");
exit(1);
}
close(fd);
}
int main (int argc, char * argv[])
{
int opt;
int irq_status = -1;
char * file = default_printer;
while((opt = getopt(argc, argv, "pif:")) != -1)
switch(opt) {
case 'i': irq_status = USE_IRQ; break;
case 'p': irq_status = DO_POLL; break;
case 'f': file = optarg; break;
default : usage(argv[0]);
}
if(irq_status == IRQ_INVALID) usage(argv[0]);
set_interrupt_status(irq_status, file);
exit(0);
}