mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-24 11:29:10 +00:00
2bc50aed69
- add $FreeBSD$; - remove unused variables; - add missing headers and prototypes; - -Wshadow.
194 lines
4.6 KiB
C
194 lines
4.6 KiB
C
/*
|
|
* Copyright (c) 1992, 1993, 1996
|
|
* Berkeley Software Design, Inc. 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 Berkeley Software
|
|
* Design, Inc.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY Berkeley Software Design, Inc. ``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 Berkeley Software Design, Inc. 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.
|
|
*
|
|
* BSDI int17.c,v 2.2 1996/04/08 19:32:48 bostic Exp
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/uio.h>
|
|
#include <paths.h>
|
|
#include <signal.h>
|
|
#include <unistd.h>
|
|
|
|
#include "doscmd.h"
|
|
|
|
static int lpt_fd[4] = { -1, -1, -1, -1, };
|
|
static FILE *lpt_file[4] = { 0, 0, 0, 0};
|
|
static int direct[4] = { 0, 0, 0, 0};
|
|
static char *queue[4] = { 0, 0, 0, 0};
|
|
static int timeout[4] = { 30, 30, 30, 30 };
|
|
static int last_poll[4] = { 0, 0, 0, 0};
|
|
static int last_count[4] = { 0, 0, 0, 0};
|
|
static int current_count[4] = { 0, 0, 0, 0};
|
|
|
|
static void open_printer(int printer);
|
|
|
|
void
|
|
int17(regcontext_t *REGS)
|
|
{
|
|
int fd;
|
|
u_char c;
|
|
|
|
switch (R_AH) {
|
|
|
|
case 0x00:
|
|
reset_poll();
|
|
|
|
fd = lpt_fd[R_DX];
|
|
if (fd == -1) {
|
|
open_printer(R_DX);
|
|
fd = lpt_fd[R_DX];
|
|
}
|
|
if (fd >= 0) {
|
|
c = R_AL;
|
|
write(fd, &c, 1);
|
|
}
|
|
R_AH = 0x90; /* printed selected */
|
|
current_count[R_DX]++;
|
|
break;
|
|
|
|
case 0x01:
|
|
case 0x02:
|
|
R_AH = 0x90;
|
|
break;
|
|
|
|
default:
|
|
unknown_int2(0x17, R_AH, REGS);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
lpt_poll(void)
|
|
{
|
|
int i;
|
|
int current;
|
|
|
|
current = time(0);
|
|
|
|
for(i=0; i < 4; i++) {
|
|
if (lpt_fd[i] < 0)
|
|
continue;
|
|
|
|
if (current - last_poll[i] < timeout[i])
|
|
continue;
|
|
|
|
last_poll[i] = current;
|
|
|
|
if (last_count[i] == current_count[i]) {
|
|
if (direct[i]) {
|
|
debug(D_PRINTER, "Closing printer %d\n", i);
|
|
close(lpt_fd[i]);
|
|
} else {
|
|
debug(D_PRINTER, "Closing spool printer %d\n", i);
|
|
pclose(lpt_file[i]);
|
|
}
|
|
lpt_fd[i] = -1;
|
|
lpt_file[i] = 0;
|
|
}
|
|
|
|
last_count[i] = current_count[i];
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
open_printer(int printer)
|
|
{
|
|
char printer_name[80];
|
|
char command[120];
|
|
int fd;
|
|
FILE *file;
|
|
char *p;
|
|
|
|
/*
|
|
* if printer is direct then open output device.
|
|
*/
|
|
if (direct[printer]) {
|
|
if ((p = queue[printer]) != 0) {
|
|
if ((fd = open(p, O_WRONLY|O_APPEND|O_CREAT, 0666)) < 0) {
|
|
perror(p);
|
|
return;
|
|
}
|
|
} else {
|
|
sprintf(printer_name, "%slpt%d", _PATH_DEV, printer);
|
|
debug(D_PRINTER, "Opening device %s\n", printer_name);
|
|
if ((fd = open(printer_name, O_WRONLY)) < 0) {
|
|
perror(printer_name);
|
|
return;
|
|
}
|
|
}
|
|
lpt_fd[printer] = fd;
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* If printer is a spooled device then open pipe to spooled device
|
|
*/
|
|
if (queue[printer]) {
|
|
strncpy(printer_name, queue[printer], sizeof(printer_name));
|
|
printer_name[sizeof(printer_name) - 1] = '\0';
|
|
} else
|
|
strcpy(printer_name, "lp");
|
|
|
|
snprintf(command, sizeof(command), "lpr -P %s", printer_name);
|
|
debug(D_PRINTER, "opening pipe to %s\n", printer_name);
|
|
|
|
if ((file = popen(command, "w")) == 0) {
|
|
perror(command);
|
|
return;
|
|
}
|
|
lpt_file[printer] = file;
|
|
lpt_fd[printer] = fileno(file);
|
|
}
|
|
|
|
void
|
|
printer_direct(int printer)
|
|
{
|
|
direct[printer] = 1;
|
|
}
|
|
|
|
void
|
|
printer_spool(int printer, char *print_queue)
|
|
{
|
|
queue[printer] = print_queue ? strdup(print_queue) : 0;
|
|
}
|
|
|
|
void
|
|
printer_timeout(int printer, char *time_out)
|
|
{
|
|
if (atoi(time_out) <= 0) {
|
|
fprintf(stderr, "Bad timeout value on lpt%d:\n", printer+1);
|
|
quit(1);
|
|
}
|
|
timeout[printer] = atoi(time_out);
|
|
}
|