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Annotation of src/usr.bin/find/ls.c, Revision 1.10

1.10    ! millert     1: /*     $OpenBSD: ls.c,v 1.9 2002/02/16 21:27:46 millert 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: #ifndef lint
                     33: /*static char sccsid[] = "from: @(#)ls.c       8.1 (Berkeley) 6/6/93";*/
1.10    ! millert    34: static char rcsid[] = "$OpenBSD: ls.c,v 1.9 2002/02/16 21:27:46 millert Exp $";
1.1       deraadt    35: #endif /* not lint */
                     36:
                     37: #include <sys/param.h>
                     38: #include <sys/stat.h>
                     39:
                     40: #include <err.h>
                     41: #include <errno.h>
                     42: #include <stdio.h>
                     43: #include <string.h>
                     44: #include <time.h>
                     45: #include <tzfile.h>
                     46: #include <unistd.h>
                     47: #include <utmp.h>
                     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
                     57: printlong(name, accpath, sb)
                     58:        char *name;                     /* filename to print */
                     59:        char *accpath;                  /* current valid path to filename */
                     60:        struct stat *sb;                /* stat buffer */
                     61: {
                     62:        char modep[15], *user_from_uid(), *group_from_gid();
                     63:
1.8       deraadt    64:        (void)printf("%6u %4lld ", sb->st_ino, (long long)sb->st_blocks);
1.1       deraadt    65:        (void)strmode(sb->st_mode, modep);
1.7       deraadt    66:        (void)printf("%s %3u %-*.*s %-*.*s ", modep, sb->st_nlink,
                     67:            NAME_WIDTH, UT_NAMESIZE, user_from_uid(sb->st_uid, 0),
                     68:            NAME_WIDTH, UT_NAMESIZE, group_from_gid(sb->st_gid, 0));
1.1       deraadt    69:
                     70:        if (S_ISCHR(sb->st_mode) || S_ISBLK(sb->st_mode))
                     71:                (void)printf("%3d, %3d ", major(sb->st_rdev),
                     72:                    minor(sb->st_rdev));
                     73:        else
1.8       deraadt    74:                (void)printf("%8lld ", (long long)sb->st_size);
1.1       deraadt    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
                     83: printtime(ftime)
                     84:        time_t ftime;
                     85: {
                     86:        int i;
                     87:        char *longstring;
                     88:
                     89:        longstring = ctime(&ftime);
                     90:        for (i = 4; i < 11; ++i)
                     91:                (void)putchar(longstring[i]);
                     92:
                     93: #define        SIXMONTHS       ((DAYSPERNYEAR / 2) * SECSPERDAY)
1.3       kstailey   94:        if (ftime + SIXMONTHS > time(NULL))
1.1       deraadt    95:                for (i = 11; i < 16; ++i)
                     96:                        (void)putchar(longstring[i]);
                     97:        else {
                     98:                (void)putchar(' ');
                     99:                for (i = 20; i < 24; ++i)
                    100:                        (void)putchar(longstring[i]);
                    101:        }
                    102:        (void)putchar(' ');
                    103: }
                    104:
                    105: static void
                    106: printlink(name)
                    107:        char *name;
                    108: {
                    109:        int lnklen;
1.5       deraadt   110:        char path[MAXPATHLEN];
1.1       deraadt   111:
1.6       millert   112:        if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) {
1.1       deraadt   113:                warn("%s", name);
                    114:                return;
                    115:        }
                    116:        path[lnklen] = '\0';
                    117:        (void)printf(" -> %s", path);
                    118: }