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Annotation of src/usr.bin/find/ls.c, Revision 1.14

1.14    ! deraadt     1: /*     $OpenBSD: ls.c,v 1.13 2009/10/27 23:59:38 deraadt Exp $ */
1.2       deraadt     2:
1.1       deraadt     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.
1.10      millert    15:  * 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    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 <stdio.h>
                     38: #include <string.h>
                     39: #include <time.h>
                     40: #include <tzfile.h>
                     41: #include <unistd.h>
                     42: #include <utmp.h>
1.11      deraadt    43: #include <pwd.h>
                     44: #include <grp.h>
1.12      deraadt    45: #include <fts.h>
                     46: #include "find.h"
                     47: #include "extern.h"
1.1       deraadt    48:
                     49: /* Derived from the print routines in the ls(1) source code. */
                     50:
1.9       millert    51: static void printlink(char *);
                     52: static void printtime(time_t);
1.1       deraadt    53:
1.7       deraadt    54: #define NAME_WIDTH     8
                     55:
1.1       deraadt    56: void
1.11      deraadt    57: printlong(char *name, char *accpath, struct stat *sb)
1.1       deraadt    58: {
1.11      deraadt    59:        char modep[15];
1.1       deraadt    60:
1.14    ! deraadt    61:        (void)printf("%6llu %4lld ", (unsigned long long)sb->st_ino,
        !            62:            (long long)sb->st_blocks);
1.1       deraadt    63:        (void)strmode(sb->st_mode, modep);
1.7       deraadt    64:        (void)printf("%s %3u %-*.*s %-*.*s ", modep, sb->st_nlink,
                     65:            NAME_WIDTH, UT_NAMESIZE, user_from_uid(sb->st_uid, 0),
                     66:            NAME_WIDTH, UT_NAMESIZE, group_from_gid(sb->st_gid, 0));
1.1       deraadt    67:
                     68:        if (S_ISCHR(sb->st_mode) || S_ISBLK(sb->st_mode))
                     69:                (void)printf("%3d, %3d ", major(sb->st_rdev),
                     70:                    minor(sb->st_rdev));
                     71:        else
1.8       deraadt    72:                (void)printf("%8lld ", (long long)sb->st_size);
1.1       deraadt    73:        printtime(sb->st_mtime);
                     74:        (void)printf("%s", name);
                     75:        if (S_ISLNK(sb->st_mode))
                     76:                printlink(accpath);
                     77:        (void)putchar('\n');
                     78: }
                     79:
                     80: static void
1.11      deraadt    81: printtime(time_t ftime)
1.1       deraadt    82: {
                     83:        int i;
                     84:        char *longstring;
                     85:
                     86:        longstring = ctime(&ftime);
                     87:        for (i = 4; i < 11; ++i)
                     88:                (void)putchar(longstring[i]);
                     89:
                     90: #define        SIXMONTHS       ((DAYSPERNYEAR / 2) * SECSPERDAY)
1.3       kstailey   91:        if (ftime + SIXMONTHS > time(NULL))
1.1       deraadt    92:                for (i = 11; i < 16; ++i)
                     93:                        (void)putchar(longstring[i]);
                     94:        else {
                     95:                (void)putchar(' ');
                     96:                for (i = 20; i < 24; ++i)
                     97:                        (void)putchar(longstring[i]);
                     98:        }
                     99:        (void)putchar(' ');
                    100: }
                    101:
                    102: static void
1.11      deraadt   103: printlink(char *name)
1.1       deraadt   104: {
                    105:        int lnklen;
1.5       deraadt   106:        char path[MAXPATHLEN];
1.1       deraadt   107:
1.6       millert   108:        if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) {
1.1       deraadt   109:                warn("%s", name);
                    110:                return;
                    111:        }
                    112:        path[lnklen] = '\0';
                    113:        (void)printf(" -> %s", path);
                    114: }