29af67e52c
is in accordance with the information provided at ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change Also add $FreeBSD$ to a few files to keep svn happy. Discussed with: imp, rwatson
138 lines
3.3 KiB
C
138 lines
3.3 KiB
C
/*
|
|
* 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.
|
|
* 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#ifndef lint
|
|
static const char copyright[] =
|
|
"@(#) Copyright (c) 1980, 1988, 1993\n\
|
|
The Regents of the University of California. All rights reserved.\n";
|
|
#endif
|
|
|
|
#ifndef lint
|
|
static const char sccsid[] = "@(#)what.c 8.1 (Berkeley) 6/6/93";
|
|
#endif
|
|
|
|
#include <err.h>
|
|
#include <stdbool.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
static void usage(void);
|
|
static bool search(bool, bool, FILE *);
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
const char *file;
|
|
FILE *in;
|
|
bool found, qflag, sflag;
|
|
int c;
|
|
|
|
qflag = sflag = false;
|
|
|
|
while ((c = getopt(argc, argv, "qs")) != -1) {
|
|
switch (c) {
|
|
case 'q':
|
|
qflag = true;
|
|
break;
|
|
case 's':
|
|
sflag = true;
|
|
break;
|
|
default:
|
|
usage();
|
|
}
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
found = false;
|
|
|
|
if (argc == 0) {
|
|
if (search(sflag, qflag, stdin))
|
|
found = true;
|
|
} else {
|
|
while (argc--) {
|
|
file = *argv++;
|
|
in = fopen(file, "r");
|
|
if (in == NULL) {
|
|
if (!qflag)
|
|
warn("%s", file);
|
|
continue;
|
|
}
|
|
if (!qflag)
|
|
printf("%s:\n", file);
|
|
if (search(sflag, qflag, in))
|
|
found = true;
|
|
fclose(in);
|
|
}
|
|
}
|
|
exit(found ? 0 : 1);
|
|
}
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
fprintf(stderr, "usage: what [-qs] [file ...]\n");
|
|
exit(1);
|
|
}
|
|
|
|
bool
|
|
search(bool one, bool quiet, FILE *in)
|
|
{
|
|
bool found;
|
|
int c;
|
|
|
|
found = false;
|
|
|
|
while ((c = getc(in)) != EOF) {
|
|
loop: if (c != '@')
|
|
continue;
|
|
if ((c = getc(in)) != '(')
|
|
goto loop;
|
|
if ((c = getc(in)) != '#')
|
|
goto loop;
|
|
if ((c = getc(in)) != ')')
|
|
goto loop;
|
|
if (!quiet)
|
|
putchar('\t');
|
|
while ((c = getc(in)) != EOF && c && c != '"' &&
|
|
c != '>' && c != '\\' && c != '\n')
|
|
putchar(c);
|
|
putchar('\n');
|
|
found = true;
|
|
if (one)
|
|
break;
|
|
}
|
|
return (found);
|
|
}
|