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authordyson <dyson@FreeBSD.org>1997-08-09 01:43:15 +0000
committerdyson <dyson@FreeBSD.org>1997-08-09 01:43:15 +0000
commit305573cb2990c5d329d149cef5a3b5533b1e8fd9 (patch)
treedf06304b637358dbe8a006fdb7a6ea5955fee179 /usr.bin/doscmd/int17.c
parentdede28832bba6a9de7a428ff58df92439bddbc9c (diff)
downloadFreeBSD-src-305573cb2990c5d329d149cef5a3b5533b1e8fd9.zip
FreeBSD-src-305573cb2990c5d329d149cef5a3b5533b1e8fd9.tar.gz
Add our doscmd to the tree. This is a result of work from BSDI, and
a group of dos emulator developers. Submitted by: Jonathan Lemon <jlemon@americantv.com> Obtained from: BSDI
Diffstat (limited to 'usr.bin/doscmd/int17.c')
-rw-r--r--usr.bin/doscmd/int17.c191
1 files changed, 191 insertions, 0 deletions
diff --git a/usr.bin/doscmd/int17.c b/usr.bin/doscmd/int17.c
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+/*
+ * 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
+ *
+ * $Id: int17.c,v 1.3 1996/09/22 15:42:56 miff Exp $
+ */
+
+#include "doscmd.h"
+#include <signal.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 int alarm_active[4] = { 0, 0, 0, 0};
+static int alarm_set = 0;
+
+static void open_printer(int printer);
+
+void
+int17(regcontext_t *REGS)
+{
+ char printer_name[20];
+ int fd;
+ int p;
+ 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]) {
+ if ((fd = open(p, O_WRONLY|O_APPEND|O_CREAT, 0666)) < 0) {
+ perror(p);
+ return;
+ }
+ } else {
+ sprintf(printer_name, "/dev/lp%d", 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])
+ strcpy(printer_name, queue[printer]);
+ else
+ strcpy(printer_name, "lp");
+
+ sprintf(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);
+}
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