1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
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/param.h>
33#include <sys/stat.h>
34
35#include <err.h>
36#include <errno.h>
37#include <fts.h>
38#include <grp.h>
39#include <inttypes.h>
40#include <langinfo.h>
41#include <pwd.h>
42#include <stdio.h>
43#include <string.h>
44#include <time.h>
45#include <unistd.h>
46
47#include "find.h"
48
49/* Derived from the print routines in the ls(1) source code. */
50
51static void printlink(char *);
52static void printtime(time_t);
53
54void
55printlong(char *name, char *accpath, struct stat *sb)
56{
57	char modep[15];
58
59	(void)printf("%6ju %8"PRId64" ", (uintmax_t)sb->st_ino, sb->st_blocks);
60	(void)strmode(sb->st_mode, modep);
61	(void)printf("%s %3ju %-*s %-*s ", modep, (uintmax_t)sb->st_nlink,
62	    MAXLOGNAME - 1,
63	    user_from_uid(sb->st_uid, 0), MAXLOGNAME - 1,
64	    group_from_gid(sb->st_gid, 0));
65
66	if (S_ISCHR(sb->st_mode) || S_ISBLK(sb->st_mode))
67		(void)printf("%#8jx ", (uintmax_t)sb->st_rdev);
68	else
69		(void)printf("%8"PRId64" ", sb->st_size);
70	printtime(sb->st_mtime);
71	(void)printf("%s", name);
72	if (S_ISLNK(sb->st_mode))
73		printlink(accpath);
74	(void)putchar('\n');
75}
76
77static void
78printtime(time_t ftime)
79{
80	char longstring[80];
81	static time_t lnow;
82	const char *format;
83	static int d_first = -1;
84	struct tm *tm;
85
86#ifdef D_MD_ORDER
87	if (d_first < 0)
88		d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
89#endif
90	if (lnow == 0)
91		lnow = time(NULL);
92
93#define	SIXMONTHS	((365 / 2) * 86400)
94	if (ftime + SIXMONTHS > lnow && ftime < lnow + SIXMONTHS)
95		/* mmm dd hh:mm || dd mmm hh:mm */
96		format = d_first ? "%e %b %R " : "%b %e %R ";
97	else
98		/* mmm dd  yyyy || dd mmm  yyyy */
99		format = d_first ? "%e %b  %Y " : "%b %e  %Y ";
100	if ((tm = localtime(&ftime)) != NULL)
101		strftime(longstring, sizeof(longstring), format, tm);
102	else
103		strlcpy(longstring, "bad date val ", sizeof(longstring));
104	fputs(longstring, stdout);
105}
106
107static void
108printlink(char *name)
109{
110	ssize_t lnklen;
111	char path[MAXPATHLEN];
112
113	if ((lnklen = readlink(name, path, MAXPATHLEN - 1)) == -1) {
114		warn("%s", name);
115		return;
116	}
117	path[lnklen] = '\0';
118	(void)printf(" -> %s", path);
119}
120