GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/what/what.c Lines: 0 55 0.0 %
Date: 2017-11-13 Branches: 0 80 0.0 %

Line Branch Exec Source
1
/*	$OpenBSD: what.c,v 1.15 2015/10/09 01:37:09 deraadt Exp $	*/
2
/*	$NetBSD: what.c,v 1.4 1994/12/20 16:01:03 jtc Exp $	*/
3
4
/*
5
 * Copyright (c) 1980, 1988, 1993
6
 *	The Regents of the University of California.  All rights reserved.
7
 *
8
 * Redistribution and use in source and binary forms, with or without
9
 * modification, are permitted provided that the following conditions
10
 * are met:
11
 * 1. Redistributions of source code must retain the above copyright
12
 *    notice, this list of conditions and the following disclaimer.
13
 * 2. Redistributions in binary form must reproduce the above copyright
14
 *    notice, this list of conditions and the following disclaimer in the
15
 *    documentation and/or other materials provided with the distribution.
16
 * 3. Neither the name of the University nor the names of its contributors
17
 *    may be used to endorse or promote products derived from this software
18
 *    without specific prior written permission.
19
 *
20
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30
 * SUCH DAMAGE.
31
 */
32
33
#include <sys/types.h>
34
#include <sys/utsname.h>
35
#include <stdio.h>
36
#include <ctype.h>
37
#include <err.h>
38
#include <stdlib.h>
39
#include <string.h>
40
#include <unistd.h>
41
42
static void search(char *);
43
static void usage(void);
44
45
static int matches;
46
static int sflag;
47
48
extern char *__progname;
49
50
/*
51
 * what
52
 */
53
/* ARGSUSED */
54
int
55
main(int argc, char *argv[])
56
{
57
	struct utsname utsn;
58
	char match[256];
59
	int c;
60
61
	if (pledge("stdio rpath flock cpath wpath", NULL) == -1)
62
		err(1, "pledge");
63
64
	matches = sflag = 0;
65
	while ((c = getopt(argc, argv, "s")) != -1) {
66
		switch (c) {
67
		case 's':
68
			sflag = 1;
69
			break;
70
		default:
71
			usage();
72
		}
73
	}
74
	argc -= optind;
75
	argv += optind;
76
77
	if (uname(&utsn) == -1)
78
		err(1, "uname");
79
	strlcpy(match, utsn.sysname, sizeof match);
80
81
	if (argc < 1) {
82
		usage();
83
	} else do {
84
		if (!freopen(*argv, "r", stdin)) {
85
			perror(*argv);
86
			exit(matches ? 0 : 1);
87
		}
88
		printf("%s\n", *argv);
89
		search(match);
90
	} while(*++argv);
91
	exit(matches ? 0 : 1);
92
}
93
94
static void
95
search(char *match)
96
{
97
	int c;
98
	int i;
99
100
	while ((c = getchar()) != EOF) {
101
loop:		if (c == '$') {
102
			for (i = 0; match[i]; i++)
103
				if ((c = getchar()) != match[i])
104
					goto loop;
105
			printf("\t$%s", match);
106
			while (isprint(c = getchar())) {
107
				putchar(c);
108
				if (c == '$')
109
					break;
110
			}
111
			putchar('\n');
112
			matches++;
113
			if (sflag)
114
				break;
115
			goto loop;
116
		}
117
		if (c != '@')
118
			continue;
119
		if ((c = getchar()) != '(')
120
			goto loop;
121
		if ((c = getchar()) != '#')
122
			goto loop;
123
		if ((c = getchar()) != ')')
124
			goto loop;
125
		putchar('\t');
126
		while ((c = getchar()) != EOF && c && c != '"' &&
127
		    c != '>' && c != '\n' && c != '\\')
128
			putchar(c);
129
		putchar('\n');
130
		matches++;
131
		if (sflag)
132
			break;
133
	}
134
}
135
136
static void
137
usage(void)
138
{
139
140
	(void)fprintf(stderr, "usage: %s [-s] file ...\n", __progname);
141
	exit(1);
142
}