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      1 /*	$NetBSD: tls.c,v 1.6 2011/05/20 02:12:39 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1995 Gordon W. Ross
      5  * 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  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #include <sys/types.h>
     29 #include <sys/param.h>
     30 #include <sys/stat.h>
     31 
     32 #include <dirent.h>
     33 #include <err.h>
     34 #include <stdio.h>
     35 #include <stdlib.h>
     36 #include <unistd.h>
     37 #include <time.h>
     38 #include <unistd.h>
     39 
     40 static int iflag;
     41 
     42 static void show_long(const char *);
     43 
     44 int
     45 main(int argc, char *argv[])
     46 {
     47 	DIR *dfp;
     48 	struct dirent *d;
     49 
     50 	/* If given an arg, just cd there first. */
     51 	if (argc > 1) {
     52 		if (chdir(argv[1]))
     53 			err(1, "chdir `%s'", argv[1]);
     54 	}
     55 	if (argc > 2)
     56 		fprintf(stderr, "extra args ignored\n");
     57 
     58 	dfp = opendir(".");
     59 	if (dfp == NULL)
     60 		err(EXIT_FAILURE, "opendir");
     61 
     62 	while ((d = readdir(dfp)) != NULL)
     63 		show_long(d->d_name);
     64 
     65 	closedir(dfp);
     66 	return EXIT_SUCCESS;
     67 }
     68 
     69 /* XXX - This is system dependent... */
     70 static const char ifmt_name[16] = {
     71 	'?',	/* 0: nothing */
     72 	'P',	/* 1: fifo (pipe) */
     73 	'C',	/* 2: chr device */
     74 	'?',	/* 3: ? */
     75 	'D',	/* 4: dir */
     76 	'?',	/* 5: ? */
     77 	'B',	/* 6: blk device */
     78 	'?',	/* 7: ? */
     79 	'F',	/* 8: file */
     80 	'?',	/* 9: ? */
     81 	'L',	/* A: link */
     82 	'?',	/* B: ? */
     83 	'S',	/* C: socket */
     84 	'?',	/* D: ? */
     85 	'W',	/* E: whiteout */
     86 	'?' 	/* F: ? */
     87 };
     88 
     89 static void
     90 show_long(const char *fname)
     91 {
     92 	struct stat st;
     93 	int ifmt;
     94 	char ifmt_c;
     95 	char *date;
     96 
     97 	if (lstat(fname, &st)) {
     98 		warn("lstat `%s'", fname);
     99 		return;
    100 	}
    101 	ifmt = (st.st_mode >> 12) & 15;
    102 	ifmt_c = ifmt_name[ifmt];
    103 
    104 	if (iflag) {
    105 		/* inode number */
    106 		printf("%6d ",  (int)st.st_ino);	/* assume small fs */
    107 	}
    108 
    109 	/* fmt/mode */
    110 	printf("%c:",   ifmt_c);
    111 	printf("%04o ", st.st_mode & 07777);
    112 
    113 	/* nlinks, uid, gid */
    114 	printf("%2d ",   st.st_nlink);
    115 	printf("%4d ",  st.st_uid);
    116 	printf("%4d ",  st.st_gid);
    117 
    118 	/* size or major/minor */
    119 	if ((ifmt_c == 'B') || (ifmt_c == 'C')) {
    120 		printf("%2d, ", major(st.st_rdev));
    121 		printf("%3d ",  minor(st.st_rdev));
    122 	} else {
    123 		printf("%7d ",  (int) st.st_size);
    124 	}
    125 
    126 	/* date */
    127 	if ((date = ctime(&st.st_mtime)) == NULL)
    128 		printf("? ");
    129 	else {
    130 		date += 4;	/* skip day-of-week */
    131 		date[12] = '\0';	/* to the minute */
    132 		printf("%s ", date);
    133 	}
    134 
    135 	/* name */
    136 	printf("%s", fname);
    137 
    138 	if (ifmt_c == 'L') {
    139 		char linkto[MAXPATHLEN];
    140 		int n;
    141 
    142 		n = readlink(fname, linkto, sizeof(linkto)-1);
    143 		if (n < 0) {
    144 			warn("readlink `%s'", fname);
    145 			return;
    146 		}
    147 		linkto[n] = '\0';
    148 		printf(" -> %s", linkto);
    149 	}
    150 	printf("\n");
    151 }
    152