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 #if 0
33 static char sccsid[] = "@(#)ls.c 8.1 (Berkeley) 6/6/93";
34 #endif
35
36 #include <sys/cdefs.h>
37 #include <sys/param.h>
38 #include <sys/stat.h>
39
40 #include <err.h>
41 #include <errno.h>
42 #include <fts.h>
43 #include <grp.h>
44 #include <inttypes.h>
45 #include <langinfo.h>
46 #include <pwd.h>
47 #include <stdio.h>
48 #include <string.h>
49 #include <time.h>
50 #include <unistd.h>
51
52 #include "find.h"
53
54 /* Derived from the print routines in the ls(1) source code. */
55
56 static void printlink(char *);
57 static void printtime(time_t);
58
59 void
printlong(char * name,char * accpath,struct stat * sb)60 printlong(char *name, char *accpath, struct stat *sb)
61 {
62 char modep[15];
63
64 (void)printf("%6ju %8"PRId64" ", (uintmax_t)sb->st_ino, sb->st_blocks);
65 (void)strmode(sb->st_mode, modep);
66 (void)printf("%s %3ju %-*s %-*s ", modep, (uintmax_t)sb->st_nlink,
67 MAXLOGNAME - 1,
68 user_from_uid(sb->st_uid, 0), MAXLOGNAME - 1,
69 group_from_gid(sb->st_gid, 0));
70
71 if (S_ISCHR(sb->st_mode) || S_ISBLK(sb->st_mode))
72 (void)printf("%#8jx ", (uintmax_t)sb->st_rdev);
73 else
74 (void)printf("%8"PRId64" ", sb->st_size);
75 printtime(sb->st_mtime);
76 (void)printf("%s", name);
77 if (S_ISLNK(sb->st_mode))
78 printlink(accpath);
79 (void)putchar('\n');
80 }
81
82 static void
printtime(time_t ftime)83 printtime(time_t ftime)
84 {
85 char longstring[80];
86 static time_t lnow;
87 const char *format;
88 static int d_first = -1;
89 struct tm *tm;
90
91 #ifdef D_MD_ORDER
92 if (d_first < 0)
93 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
94 #endif
95 if (lnow == 0)
96 lnow = time(NULL);
97
98 #define SIXMONTHS ((365 / 2) * 86400)
99 if (ftime + SIXMONTHS > lnow && ftime < lnow + SIXMONTHS)
100 /* mmm dd hh:mm || dd mmm hh:mm */
101 format = d_first ? "%e %b %R " : "%b %e %R ";
102 else
103 /* mmm dd yyyy || dd mmm yyyy */
104 format = d_first ? "%e %b %Y " : "%b %e %Y ";
105 if ((tm = localtime(&ftime)) != NULL)
106 strftime(longstring, sizeof(longstring), format, tm);
107 else
108 strlcpy(longstring, "bad date val ", sizeof(longstring));
109 fputs(longstring, stdout);
110 }
111
112 static void
printlink(char * name)113 printlink(char *name)
114 {
115 ssize_t lnklen;
116 char path[MAXPATHLEN];
117
118 if ((lnklen = readlink(name, path, MAXPATHLEN - 1)) == -1) {
119 warn("%s", name);
120 return;
121 }
122 path[lnklen] = '\0';
123 (void)printf(" -> %s", path);
124 }
125