1/*	$NetBSD: ls.c,v 1.20 2008/12/29 00:53:43 christos Exp $	*/
2
3/*
4 * Copyright (c) 1989, 1993
5 *	The Regents of the University of California.  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 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33#ifndef lint
34#if 0
35static char sccsid[] = "from: @(#)ls.c	8.1 (Berkeley) 6/6/93";
36#else
37__RCSID("$NetBSD: ls.c,v 1.20 2008/12/29 00:53:43 christos Exp $");
38#endif
39#endif /* not lint */
40
41#include <sys/param.h>
42#include <sys/stat.h>
43
44#include <err.h>
45#include <errno.h>
46#include <fts.h>
47#include <grp.h>
48#include <pwd.h>
49#include <stdio.h>
50#include <stdlib.h>
51#include <string.h>
52#include <time.h>
53#include <tzfile.h>
54#include <unistd.h>
55
56#include "find.h"
57
58/* Derived from the print routines in the ls(1) source code. */
59
60static void printlink(char *);
61static void printtime(time_t);
62
63void
64printlong(char *name,			/* filename to print */
65	char *accpath,			/* current valid path to filename */
66	struct stat *sb)		/* stat buffer */
67{
68	char modep[15];
69
70	(void)printf("%7lu %6lld ", (u_long)sb->st_ino,
71	    (long long)sb->st_blocks);
72	(void)strmode(sb->st_mode, modep);
73	(void)printf("%s %3lu %-*s %-*s ", modep, (unsigned long)sb->st_nlink,
74	    LOGIN_NAME_MAX, user_from_uid(sb->st_uid, 0), LOGIN_NAME_MAX,
75	    group_from_gid(sb->st_gid, 0));
76
77	if (S_ISCHR(sb->st_mode) || S_ISBLK(sb->st_mode))
78		(void)printf("%3llu,%5llu ",
79		    (unsigned long long)major(sb->st_rdev),
80		    (unsigned long long)minor(sb->st_rdev));
81	else
82		(void)printf("%9lld ", (long long)sb->st_size);
83	printtime(sb->st_mtime);
84	(void)printf("%s", name);
85	if (S_ISLNK(sb->st_mode))
86		printlink(accpath);
87	(void)putchar('\n');
88}
89
90static void
91printtime(time_t ftime)
92{
93	int i;
94	char *longstring;
95
96	longstring = ctime(&ftime);
97	for (i = 4; i < 11; ++i)
98		(void)putchar(longstring[i]);
99
100#define	SIXMONTHS	((DAYSPERNYEAR / 2) * SECSPERDAY)
101	if (ftime + SIXMONTHS > time(NULL))
102		for (i = 11; i < 16; ++i)
103			(void)putchar(longstring[i]);
104	else {
105		(void)putchar(' ');
106		for (i = 20; i < 24; ++i)
107			(void)putchar(longstring[i]);
108	}
109	(void)putchar(' ');
110}
111
112static void
113printlink(char *name)
114{
115	int lnklen;
116	char path[MAXPATHLEN + 1];
117
118	if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) {
119		warn("%s", name);
120		return;
121	}
122	path[lnklen] = '\0';
123	(void)printf(" -> %s", path);
124}
125