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