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Annotation of src/usr.bin/find/ls.c, Revision 1.6

1.6     ! millert     1: /*     $OpenBSD: ls.c,v 1.5 1998/05/18 19:02:57 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.
                     15:  * 3. All advertising materials mentioning features or use of this software
                     16:  *    must display the following acknowledgement:
                     17:  *     This product includes software developed by the University of
                     18:  *     California, Berkeley and its contributors.
                     19:  * 4. Neither the name of the University nor the names of its contributors
                     20:  *    may be used to endorse or promote products derived from this software
                     21:  *    without specific prior written permission.
                     22:  *
                     23:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     24:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     25:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     27:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     29:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     31:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     33:  * SUCH DAMAGE.
                     34:  */
                     35:
                     36: #ifndef lint
                     37: /*static char sccsid[] = "from: @(#)ls.c       8.1 (Berkeley) 6/6/93";*/
1.6     ! millert    38: static char rcsid[] = "$OpenBSD: ls.c,v 1.5 1998/05/18 19:02:57 deraadt Exp $";
1.1       deraadt    39: #endif /* not lint */
                     40:
                     41: #include <sys/param.h>
                     42: #include <sys/stat.h>
                     43:
                     44: #include <err.h>
                     45: #include <errno.h>
                     46: #include <stdio.h>
                     47: #include <string.h>
                     48: #include <time.h>
                     49: #include <tzfile.h>
                     50: #include <unistd.h>
                     51: #include <utmp.h>
                     52:
                     53: /* Derived from the print routines in the ls(1) source code. */
                     54:
                     55: static void printlink __P((char *));
                     56: static void printtime __P((time_t));
                     57:
                     58: void
                     59: printlong(name, accpath, sb)
                     60:        char *name;                     /* filename to print */
                     61:        char *accpath;                  /* current valid path to filename */
                     62:        struct stat *sb;                /* stat buffer */
                     63: {
                     64:        char modep[15], *user_from_uid(), *group_from_gid();
                     65:
1.4       millert    66:        (void)printf("%6u %4qd ", sb->st_ino, sb->st_blocks);
1.1       deraadt    67:        (void)strmode(sb->st_mode, modep);
                     68:        (void)printf("%s %3u %-*s %-*s ", modep, sb->st_nlink, UT_NAMESIZE,
                     69:            user_from_uid(sb->st_uid, 0), UT_NAMESIZE,
                     70:            group_from_gid(sb->st_gid, 0));
                     71:
                     72:        if (S_ISCHR(sb->st_mode) || S_ISBLK(sb->st_mode))
                     73:                (void)printf("%3d, %3d ", major(sb->st_rdev),
                     74:                    minor(sb->st_rdev));
                     75:        else
                     76:                (void)printf("%8qd ", sb->st_size);
                     77:        printtime(sb->st_mtime);
                     78:        (void)printf("%s", name);
                     79:        if (S_ISLNK(sb->st_mode))
                     80:                printlink(accpath);
                     81:        (void)putchar('\n');
                     82: }
                     83:
                     84: static void
                     85: printtime(ftime)
                     86:        time_t ftime;
                     87: {
                     88:        int i;
                     89:        char *longstring;
                     90:
                     91:        longstring = ctime(&ftime);
                     92:        for (i = 4; i < 11; ++i)
                     93:                (void)putchar(longstring[i]);
                     94:
                     95: #define        SIXMONTHS       ((DAYSPERNYEAR / 2) * SECSPERDAY)
1.3       kstailey   96:        if (ftime + SIXMONTHS > time(NULL))
1.1       deraadt    97:                for (i = 11; i < 16; ++i)
                     98:                        (void)putchar(longstring[i]);
                     99:        else {
                    100:                (void)putchar(' ');
                    101:                for (i = 20; i < 24; ++i)
                    102:                        (void)putchar(longstring[i]);
                    103:        }
                    104:        (void)putchar(' ');
                    105: }
                    106:
                    107: static void
                    108: printlink(name)
                    109:        char *name;
                    110: {
                    111:        int lnklen;
1.5       deraadt   112:        char path[MAXPATHLEN];
1.1       deraadt   113:
1.6     ! millert   114:        if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) {
1.1       deraadt   115:                warn("%s", name);
                    116:                return;
                    117:        }
                    118:        path[lnklen] = '\0';
                    119:        (void)printf(" -> %s", path);
                    120: }