NetBSD/libexec/getNAME/getNAME.c

236 lines
5.0 KiB
C

/*-
* Copyright (c) 1980 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
char copyright[] =
"@(#) Copyright (c) 1980 The Regents of the University of California.\n\
All rights reserved.\n";
#endif /* not lint */
#ifndef lint
/*static char sccsid[] = "from: @(#)getNAME.c 5.4 (Berkeley) 1/20/91";*/
static char rcsid[] = "$Id: getNAME.c,v 1.2 1993/08/01 18:30:33 mycroft Exp $";
#endif /* not lint */
/*
* Get name sections from manual pages.
* -t for building toc
* -i for building intro entries
* other apropos database
*/
#include <stdio.h>
#include <string.h>
int tocrc;
int intro;
main(argc, argv)
int argc;
char **argv;
{
extern int optind;
int ch;
while ((ch = getopt(argc, argv, "it")) != EOF)
switch(ch) {
case 'i':
intro = 1;
break;
case 't':
tocrc = 1;
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
if (!*argv)
usage();
for (; *argv; ++argv)
getfrom(*argv);
exit(0);
}
getfrom(name)
char *name;
{
int i = 0;
char headbuf[BUFSIZ];
char linbuf[BUFSIZ];
if (freopen(name, "r", stdin) == 0) {
perror(name);
return;
}
for (;;) {
if (fgets(headbuf, sizeof headbuf, stdin) == NULL)
return;
if (headbuf[0] != '.')
continue;
if (headbuf[1] == 'T' && headbuf[2] == 'H')
break;
if (headbuf[1] == 't' && headbuf[2] == 'h')
break;
}
for (;;) {
if (fgets(linbuf, sizeof linbuf, stdin) == NULL)
return;
if (linbuf[0] != '.')
continue;
if (linbuf[1] == 'S' && linbuf[2] == 'H')
break;
if (linbuf[1] == 's' && linbuf[2] == 'h')
break;
}
trimln(headbuf);
if (tocrc)
doname(name);
if (!intro)
printf("%s\t", headbuf);
for (;;) {
if (fgets(linbuf, sizeof linbuf, stdin) == NULL)
break;
if (linbuf[0] == '.') {
if (linbuf[1] == 'S' && linbuf[2] == 'H')
break;
if (linbuf[1] == 's' && linbuf[2] == 'h')
break;
}
trimln(linbuf);
if (intro) {
split(linbuf, name);
continue;
}
if (i != 0)
printf(" ");
i++;
printf("%s", linbuf);
}
printf("\n");
}
trimln(cp)
register char *cp;
{
while (*cp)
cp++;
if (*--cp == '\n')
*cp = 0;
}
doname(name)
char *name;
{
register char *dp = name, *ep;
again:
while (*dp && *dp != '.')
putchar(*dp++);
if (*dp)
for (ep = dp+1; *ep; ep++)
if (*ep == '.') {
putchar(*dp++);
goto again;
}
putchar('(');
if (*dp)
dp++;
while (*dp)
putchar (*dp++);
putchar(')');
putchar(' ');
}
split(line, name)
char *line, *name;
{
register char *cp, *dp;
char *sp, *sep;
cp = index(line, '-');
if (cp == 0)
return;
sp = cp + 1;
for (--cp; *cp == ' ' || *cp == '\t' || *cp == '\\'; cp--)
;
*++cp = '\0';
while (*sp && (*sp == ' ' || *sp == '\t'))
sp++;
for (sep = "", dp = line; dp && *dp; dp = cp, sep = "\n") {
cp = index(dp, ',');
if (cp) {
register char *tp;
for (tp = cp - 1; *tp == ' ' || *tp == '\t'; tp--)
;
*++tp = '\0';
for (++cp; *cp == ' ' || *cp == '\t'; cp++)
;
}
printf("%s%s\t", sep, dp);
dorefname(name);
printf("\t%s", sp);
}
}
dorefname(name)
char *name;
{
register char *dp = name, *ep;
again:
while (*dp && *dp != '.')
putchar(*dp++);
if (*dp)
for (ep = dp+1; *ep; ep++)
if (*ep == '.') {
putchar(*dp++);
goto again;
}
putchar('.');
if (*dp)
dp++;
while (*dp)
putchar (*dp++);
}
usage()
{
(void)fprintf(stderr, "usage: getNAME [-it] file ...\n");
exit(1);
}