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/*
* Copyright (c) 1980, 1988, 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 const char copyright[] =
"@(#) Copyright (c) 1980, 1988, 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)what.c 8.1 (Berkeley) 6/6/93";
#endif
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
static int sflag;
static int found;
void search __P((void));
static void usage __P((void));
/*
* what
*/
int
main(argc, argv)
int argc;
char **argv;
{
int c;
while ((c = getopt(argc, argv, "s")) != -1)
switch (c) {
case 's':
sflag = 1;
break;
default:
usage();
}
argv += optind;
if (!*argv)
search();
else do {
if (!freopen(*argv, "r", stdin))
warn("%s", *argv);
else {
printf("%s:\n", *argv);
search();
}
} while(*++argv);
exit(!found);
}
static void
usage()
{
(void)fprintf(stderr, "usage: what [-s] file ...\n");
exit(1);
}
void
search()
{
register int c;
while ((c = getchar()) != EOF) {
loop: if (c != '@')
continue;
if ((c = getchar()) != '(')
goto loop;
if ((c = getchar()) != '#')
goto loop;
if ((c = getchar()) != ')')
goto loop;
putchar('\t');
while ((c = getchar()) != EOF && c && c != '"' &&
c != '>' && c != '\\' && c != '\n')
putchar(c);
putchar('\n');
found = 1;
if (sflag)
return;
}
}
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