1 /*
2 * Copyright (c) 1989 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Michael Fischbein.
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. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37 #ifndef lint
38 static char sccsid[] = "@(#)print.c 5.24 (Berkeley) 10/19/90";
39 #endif /* not lint */
40
41 #include <sys/param.h>
42 #include <sys/stat.h>
43 #include <stdio.h>
44 #include <grp.h>
45 #include <pwd.h>
46 #include <utmp.h>
47 #include <tzfile.h>
48 #include "ls.h"
49
printscol(stats,num)50 printscol(stats, num)
51 register LS *stats;
52 register int num;
53 {
54 for (; num--; ++stats) {
55 (void)printaname(stats);
56 (void)putchar('\n');
57 }
58 }
59
printlong(stats,num)60 printlong(stats, num)
61 LS *stats;
62 register int num;
63 {
64 extern int errno;
65 char modep[15], *user_from_uid(), *group_from_gid(), *strerror();
66
67 if (f_total)
68 (void)printf("total %lu\n", f_kblocks ?
69 howmany(stats[0].lstat.st_btotal, 2) :
70 stats[0].lstat.st_btotal);
71 for (; num--; ++stats) {
72 if (f_inode)
73 (void)printf("%6lu ", stats->lstat.st_ino);
74 if (f_size)
75 (void)printf("%4ld ", f_kblocks ?
76 howmany(stats->lstat.st_blocks, 2) :
77 stats->lstat.st_blocks);
78 (void)strmode(stats->lstat.st_mode, modep);
79 (void)printf("%s %3u %-*s ", modep, stats->lstat.st_nlink,
80 UT_NAMESIZE, user_from_uid(stats->lstat.st_uid, 0));
81 if (f_group)
82 (void)printf("%-*s ", UT_NAMESIZE,
83 group_from_gid(stats->lstat.st_gid, 0));
84 if (S_ISCHR(stats->lstat.st_mode) ||
85 S_ISBLK(stats->lstat.st_mode))
86 (void)printf("%3d, %3d ", major(stats->lstat.st_rdev),
87 minor(stats->lstat.st_rdev));
88 else
89 (void)printf("%8ld ", stats->lstat.st_size);
90 if (f_accesstime)
91 printtime(stats->lstat.st_atime);
92 else if (f_statustime)
93 printtime(stats->lstat.st_ctime);
94 else
95 printtime(stats->lstat.st_mtime);
96 (void)printf("%s", stats->name);
97 if (f_type)
98 (void)printtype(stats->lstat.st_mode);
99 if (S_ISLNK(stats->lstat.st_mode))
100 printlink(stats->name);
101 (void)putchar('\n');
102 }
103 }
104
105 #define TAB 8
106
printcol(stats,num)107 printcol(stats, num)
108 LS *stats;
109 int num;
110 {
111 extern int termwidth;
112 register int base, chcnt, cnt, col, colwidth;
113 int endcol, numcols, numrows, row;
114
115 colwidth = stats[0].lstat.st_maxlen;
116 if (f_inode)
117 colwidth += 6;
118 if (f_size)
119 colwidth += 5;
120 if (f_type)
121 colwidth += 1;
122
123 colwidth = (colwidth + TAB) & ~(TAB - 1);
124 if (termwidth < 2 * colwidth) {
125 printscol(stats, num);
126 return;
127 }
128
129 numcols = termwidth / colwidth;
130 numrows = num / numcols;
131 if (num % numcols)
132 ++numrows;
133
134 if (f_size && f_total)
135 (void)printf("total %lu\n", f_kblocks ?
136 howmany(stats[0].lstat.st_btotal, 2) :
137 stats[0].lstat.st_btotal);
138 for (row = 0; row < numrows; ++row) {
139 endcol = colwidth;
140 for (base = row, chcnt = col = 0; col < numcols; ++col) {
141 chcnt += printaname(stats + base);
142 if ((base += numrows) >= num)
143 break;
144 while ((cnt = (chcnt + TAB & ~(TAB - 1))) <= endcol) {
145 (void)putchar('\t');
146 chcnt = cnt;
147 }
148 endcol += colwidth;
149 }
150 putchar('\n');
151 }
152 }
153
154 /*
155 * print [inode] [size] name
156 * return # of characters printed, no trailing characters
157 */
printaname(lp)158 printaname(lp)
159 LS *lp;
160 {
161 int chcnt;
162
163 chcnt = 0;
164 if (f_inode)
165 chcnt += printf("%5lu ", lp->lstat.st_ino);
166 if (f_size)
167 chcnt += printf("%4ld ", f_kblocks ?
168 howmany(lp->lstat.st_blocks, 2) : lp->lstat.st_blocks);
169 chcnt += printf("%s", lp->name);
170 if (f_type)
171 chcnt += printtype(lp->lstat.st_mode);
172 return(chcnt);
173 }
174
printtime(ftime)175 printtime(ftime)
176 time_t ftime;
177 {
178 int i;
179 char *longstring, *ctime();
180 time_t time();
181
182 longstring = ctime((long *)&ftime);
183 for (i = 4; i < 11; ++i)
184 (void)putchar(longstring[i]);
185
186 #define SIXMONTHS ((DAYSPERNYEAR / 2) * SECSPERDAY)
187 if (f_sectime)
188 for (i = 11; i < 24; i++)
189 (void)putchar(longstring[i]);
190 else if (ftime + SIXMONTHS > time((time_t *)NULL))
191 for (i = 11; i < 16; ++i)
192 (void)putchar(longstring[i]);
193 else {
194 (void)putchar(' ');
195 for (i = 20; i < 24; ++i)
196 (void)putchar(longstring[i]);
197 }
198 (void)putchar(' ');
199 }
200
printtype(mode)201 printtype(mode)
202 mode_t mode;
203 {
204 switch(mode & S_IFMT) {
205 case S_IFDIR:
206 (void)putchar('/');
207 return(1);
208 case S_IFLNK:
209 (void)putchar('@');
210 return(1);
211 case S_IFSOCK:
212 (void)putchar('=');
213 return(1);
214 }
215 if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
216 (void)putchar('*');
217 return(1);
218 }
219 return(0);
220 }
221
printlink(name)222 printlink(name)
223 char *name;
224 {
225 int lnklen;
226 char path[PATH_MAX + 1], *strerror();
227
228 if ((lnklen = readlink(name, path, PATH_MAX)) == -1) {
229 (void)fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno));
230 return;
231 }
232 path[lnklen] = '\0';
233 (void)printf(" -> %s", path);
234 }
235