1 /*	$NetBSD: ulptprint.c,v 1.1 2009/12/15 16:01:50 pooka Exp $	*/
2 
3 /*
4  * Copyright (c) 2009 Antti Kantee.  All Rights Reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
16  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 #include <sys/types.h>
29 #include <sys/dirent.h>
30 #include <sys/mount.h>
31 
32 #include <rump/rump.h>
33 #include <rump/rump_syscalls.h>
34 
35 #include <err.h>
36 #include <errno.h>
37 #include <fcntl.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <unistd.h>
42 
43 /*
44  * Proof-of-concept program:
45  *
46  * Prints given (postscript) file by "catting" into the printer.
47  */
48 
49 int
50 main(int argc, char *argv[])
51 {
52 	char buf[8192];
53 	ssize_t n;
54 	int probeonly = 0;
55 	int fd_src, fd_dst;
56 
57 	if (argc != 2)
58 		errx(1, "need 2 args");
59 
60 	if (strcmp(argv[1], "probe") == 0)
61 		probeonly = 1;
62 
63 	if (probeonly)
64 		rump_boot_sethowto(RUMP_AB_VERBOSE);
65 	rump_init();
66 	if (probeonly)
67 		exit(0);
68 
69 	fd_dst = rump_sys_open("/dev/ulpt0", O_RDWR);
70 	if (fd_dst == -1)
71 		err(1, "printer open");
72 
73 	fd_src = open(argv[1], O_RDONLY);
74 	if (fd_src == -1)
75 		err(1, "open source");
76 
77 	for (;;) {
78 		n = read(fd_src, buf, sizeof(buf));
79 		if (n == 0)
80 			break;
81 		if (n == -1)
82 			err(1, "read");
83 
84 		if (rump_sys_write(fd_dst, buf, n) != n)
85 			err(1, "write to printer");
86 	}
87 	rump_sys_close(fd_dst);
88 
89 	printf("done\n");
90 }
91