xref: /netbsd-src/distrib/utils/tls/tls.c (revision bdc22b2e01993381dcefeff2bc9b56ca75a4235c)
1 /*	$NetBSD: tls.c,v 1.6 2011/05/20 02:12:39 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 1995 Gordon W. Ross
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #include <sys/types.h>
29 #include <sys/param.h>
30 #include <sys/stat.h>
31 
32 #include <dirent.h>
33 #include <err.h>
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <unistd.h>
37 #include <time.h>
38 #include <unistd.h>
39 
40 static int iflag;
41 
42 static void show_long(const char *);
43 
44 int
45 main(int argc, char *argv[])
46 {
47 	DIR *dfp;
48 	struct dirent *d;
49 
50 	/* If given an arg, just cd there first. */
51 	if (argc > 1) {
52 		if (chdir(argv[1]))
53 			err(1, "chdir `%s'", argv[1]);
54 	}
55 	if (argc > 2)
56 		fprintf(stderr, "extra args ignored\n");
57 
58 	dfp = opendir(".");
59 	if (dfp == NULL)
60 		err(EXIT_FAILURE, "opendir");
61 
62 	while ((d = readdir(dfp)) != NULL)
63 		show_long(d->d_name);
64 
65 	closedir(dfp);
66 	return EXIT_SUCCESS;
67 }
68 
69 /* XXX - This is system dependent... */
70 static const char ifmt_name[16] = {
71 	'?',	/* 0: nothing */
72 	'P',	/* 1: fifo (pipe) */
73 	'C',	/* 2: chr device */
74 	'?',	/* 3: ? */
75 	'D',	/* 4: dir */
76 	'?',	/* 5: ? */
77 	'B',	/* 6: blk device */
78 	'?',	/* 7: ? */
79 	'F',	/* 8: file */
80 	'?',	/* 9: ? */
81 	'L',	/* A: link */
82 	'?',	/* B: ? */
83 	'S',	/* C: socket */
84 	'?',	/* D: ? */
85 	'W',	/* E: whiteout */
86 	'?' 	/* F: ? */
87 };
88 
89 static void
90 show_long(const char *fname)
91 {
92 	struct stat st;
93 	int ifmt;
94 	char ifmt_c;
95 	char *date;
96 
97 	if (lstat(fname, &st)) {
98 		warn("lstat `%s'", fname);
99 		return;
100 	}
101 	ifmt = (st.st_mode >> 12) & 15;
102 	ifmt_c = ifmt_name[ifmt];
103 
104 	if (iflag) {
105 		/* inode number */
106 		printf("%6d ",  (int)st.st_ino);	/* assume small fs */
107 	}
108 
109 	/* fmt/mode */
110 	printf("%c:",   ifmt_c);
111 	printf("%04o ", st.st_mode & 07777);
112 
113 	/* nlinks, uid, gid */
114 	printf("%2d ",   st.st_nlink);
115 	printf("%4d ",  st.st_uid);
116 	printf("%4d ",  st.st_gid);
117 
118 	/* size or major/minor */
119 	if ((ifmt_c == 'B') || (ifmt_c == 'C')) {
120 		printf("%2d, ", major(st.st_rdev));
121 		printf("%3d ",  minor(st.st_rdev));
122 	} else {
123 		printf("%7d ",  (int) st.st_size);
124 	}
125 
126 	/* date */
127 	if ((date = ctime(&st.st_mtime)) == NULL)
128 		printf("? ");
129 	else {
130 		date += 4;	/* skip day-of-week */
131 		date[12] = '\0';	/* to the minute */
132 		printf("%s ", date);
133 	}
134 
135 	/* name */
136 	printf("%s", fname);
137 
138 	if (ifmt_c == 'L') {
139 		char linkto[MAXPATHLEN];
140 		int n;
141 
142 		n = readlink(fname, linkto, sizeof(linkto)-1);
143 		if (n < 0) {
144 			warn("readlink `%s'", fname);
145 			return;
146 		}
147 		linkto[n] = '\0';
148 		printf(" -> %s", linkto);
149 	}
150 	printf("\n");
151 }
152