2 * Copyright (c) 1992, 1993, 1996
3 * Berkeley Software Design, Inc. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Berkeley Software
18 * THIS SOFTWARE IS PROVIDED BY Berkeley Software Design, Inc. ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL Berkeley Software Design, Inc. BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * BSDI int17.c,v 2.2 1996/04/08 19:32:48 bostic Exp
32 * $FreeBSD: src/usr.bin/doscmd/int17.c,v 1.4.2.3 2002/04/25 11:04:51 tg Exp $
33 * $DragonFly: src/usr.bin/doscmd/int17.c,v 1.2 2003/06/17 04:29:26 dillon Exp $
36 #include <sys/types.h>
44 static int lpt_fd[4] = { -1, -1, -1, -1, };
45 static FILE *lpt_file[4] = { 0, 0, 0, 0};
46 static int direct[4] = { 0, 0, 0, 0};
47 static char *queue[4] = { 0, 0, 0, 0};
48 static int timeout[4] = { 30, 30, 30, 30 };
49 static int last_poll[4] = { 0, 0, 0, 0};
50 static int last_count[4] = { 0, 0, 0, 0};
51 static int current_count[4] = { 0, 0, 0, 0};
53 static void open_printer(int printer);
56 int17(regcontext_t *REGS)
75 R_AH = 0x90; /* printed selected */
76 current_count[R_DX]++;
85 unknown_int2(0x17, R_AH, REGS);
98 for(i=0; i < 4; i++) {
102 if (current - last_poll[i] < timeout[i])
105 last_poll[i] = current;
107 if (last_count[i] == current_count[i]) {
109 debug(D_PRINTER, "Closing printer %d\n", i);
112 debug(D_PRINTER, "Closing spool printer %d\n", i);
119 last_count[i] = current_count[i];
125 open_printer(int printer)
127 char printer_name[80];
134 * if printer is direct then open output device.
136 if (direct[printer]) {
137 if ((p = queue[printer]) != 0) {
138 if ((fd = open(p, O_WRONLY|O_APPEND|O_CREAT, 0666)) < 0) {
143 sprintf(printer_name, "%slpt%d", _PATH_DEV, printer);
144 debug(D_PRINTER, "Opening device %s\n", printer_name);
145 if ((fd = open(printer_name, O_WRONLY)) < 0) {
146 perror(printer_name);
150 lpt_fd[printer] = fd;
155 * If printer is a spooled device then open pipe to spooled device
157 if (queue[printer]) {
158 strncpy(printer_name, queue[printer], sizeof(printer_name));
159 printer_name[sizeof(printer_name) - 1] = '\0';
161 strcpy(printer_name, "lp");
163 snprintf(command, sizeof(command), "lpr -P %s", printer_name);
164 debug(D_PRINTER, "opening pipe to %s\n", printer_name);
166 if ((file = popen(command, "w")) == 0) {
170 lpt_file[printer] = file;
171 lpt_fd[printer] = fileno(file);
175 printer_direct(int printer)
181 printer_spool(int printer, char *print_queue)
183 queue[printer] = print_queue ? strdup(print_queue) : 0;
187 printer_timeout(int printer, char *time_out)
189 if (atoi(time_out) <= 0) {
190 fprintf(stderr, "Bad timeout value on lpt%d:\n", printer+1);
193 timeout[printer] = atoi(time_out);