2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. 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 the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 static const char copyright[] =
36 "@(#) Copyright (c) 1983, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
42 static char sccsid[] = "@(#)lpf.c 8.1 (Berkeley) 6/6/93";
46 #include "lp.cdefs.h" /* A cross-platform version of <sys/cdefs.h> */
47 __FBSDID("$FreeBSD$");
50 * filter which reads the output of nroff and converts lines
51 * with ^H's to overwritten lines. Thus this works like 'ul'
52 * but is much better: it can handle more than 2 overwrites
53 * and it is written with some style.
54 * modified by kls to use register references instead of arrays
55 * to try to gain a little speed.
66 char buf[MAXREP][MAXWIDTH];
67 int maxcol[MAXREP] = {-1};
69 int width = 132; /* default line length */
70 int length = 66; /* page length */
71 int indent; /* indentation length */
73 int literal; /* print control characters */
74 char *name; /* user's login name */
75 char *host; /* user's machine name */
76 char *acctfile; /* accounting information file */
79 main(int argc, char *argv[])
81 register FILE *p = stdin, *o = stdout;
84 int done, linedone, maxrep;
89 if (*(cp = *++argv) == '-') {
102 if ((i = atoi(&cp[2])) > 0 && i <= MAXWIDTH)
107 length = atoi(&cp[2]);
111 indent = atoi(&cp[2]);
114 case 'c': /* Print control chars */
122 for (cp = buf[0], limit = buf[MAXREP]; cp < limit; *cp++ = ' ');
130 switch (ch = getc(p)) {
154 col = ((col - indent) | 07) + indent + 1;
159 * lpd needs to use a different filter to
160 * print data so stop what we are doing and
161 * wait for lpd to restart us.
163 if ((ch = getchar()) == '\1') {
165 kill(getpid(), SIGSTOP);
173 if (col >= width || (!literal && ch < ' ')) {
178 for (i = 0; i < MAXREP; i++) {
194 /* print out lines */
195 for (i = 0; i <= maxrep; i++) {
196 for (cp = buf[i], limit = cp+maxcol[i]; cp <= limit;) {
204 if (++lineno >= length) {
212 if (lineno) { /* be sure to end on a page boundary */
216 if (name && acctfile && access(acctfile, 02) >= 0 &&
217 freopen(acctfile, "a", stdout) != NULL) {
218 printf("%7.2f\t%s:%s\n", (float)npages, host, name);