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author | dyson <dyson@FreeBSD.org> | 1997-08-09 01:43:15 +0000 |
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committer | dyson <dyson@FreeBSD.org> | 1997-08-09 01:43:15 +0000 |
commit | 305573cb2990c5d329d149cef5a3b5533b1e8fd9 (patch) | |
tree | df06304b637358dbe8a006fdb7a6ea5955fee179 /usr.bin/doscmd/int17.c | |
parent | dede28832bba6a9de7a428ff58df92439bddbc9c (diff) | |
download | FreeBSD-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.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/usr.bin/doscmd/int17.c b/usr.bin/doscmd/int17.c new file mode 100644 index 0000000..fc3eb7d --- /dev/null +++ b/usr.bin/doscmd/int17.c @@ -0,0 +1,191 @@ +/* + * 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); +} |