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/* $OpenBSD: soelim.c,v 1.3 1997/09/11 11:21:53 deraadt Exp $ */
/* $NetBSD: soelim.c,v 1.3 1994/12/21 08:11:26 jtc Exp $ */
/*
* Copyright (c) 1980, 1993
* The Regents of the University of California. 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 the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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.
*/
#ifndef lint
static char copyright[] =
"@(#) Copyright (c) 1980, 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)soelim.c 8.1 (Berkeley) 6/6/93";
#endif
static char rcsid[] = "$OpenBSD: soelim.c,v 1.3 1997/09/11 11:21:53 deraadt Exp $";
#endif /* not lint */
#include <stdio.h>
/*
* soelim - a filter to process n/troff input eliminating .so's
*
* Author: Bill Joy UCB July 8, 1977
*
* This program eliminates .so's from a n/troff input stream.
* It can be used to prepare safe input for submission to the
* phototypesetter since the software supporting the operator
* doesn't let him do chdir.
*
* This is a kludge and the operator should be given the
* ability to do chdir.
*
* This program is more generally useful, it turns out, because
* the program tbl doesn't understand ".so" directives.
*/
#define STDIN_NAME "-"
int process __P((char *file));
int
main(argc, argv)
int argc;
char *argv[];
{
argc--;
argv++;
if (argc == 0) {
(void)process(STDIN_NAME);
exit(0);
}
do {
(void)process(argv[0]);
argv++;
argc--;
} while (argc > 0);
exit(0);
}
int process(file)
char *file;
{
register char *cp;
register int c;
char fname[BUFSIZ];
FILE *soee;
int isfile;
if (!strcmp(file, STDIN_NAME)) {
soee = stdin;
} else {
soee = fopen(file, "r");
if (soee == NULL) {
perror(file);
return(-1);
}
}
for (;;) {
c = getc(soee);
if (c == EOF)
break;
if (c != '.')
goto simple;
c = getc(soee);
if (c != 's') {
putchar('.');
goto simple;
}
c = getc(soee);
if (c != 'o') {
printf(".s");
goto simple;
}
do
c = getc(soee);
while (c == ' ' || c == '\t');
cp = fname;
isfile = 0;
for (;;) {
switch (c) {
case ' ':
case '\t':
case '\n':
case EOF:
goto donename;
default:
*cp++ = c;
c = getc(soee);
isfile++;
continue;
}
}
donename:
if (cp == fname) {
printf(".so");
goto simple;
}
*cp = 0;
if (process(fname) < 0)
if (isfile)
printf(".so %s\n", fname);
continue;
simple:
if (c == EOF)
break;
putchar(c);
if (c != '\n') {
c = getc(soee);
goto simple;
}
}
if (soee != stdin) {
fclose(soee);
}
return(0);
}
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