Home | History | Annotate | Line # | Download | only in tls
tls.c revision 1.5 
      1 /*	$NetBSD: tls.c,v 1.5 2011/05/19 22:14:15 tsutsui 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/stat.h>
     30 
     31 #include <dirent.h>
     32 #include <err.h>
     33 #include <stdio.h>
     34 #include <stdlib.h>
     35 #include <time.h>
     36 #include <unistd.h>
     37 
     38 int iflag;
     39 
     40 int main(int, char *[]);
     41 void show_long(char *fname);
     42 
     43 int
     44 main(int argc, char *argv[])
     45 {
     46 	DIR *dfp;
     47 	struct dirent *d;
     48 
     49 	/* If given an arg, just cd there first. */
     50 	if (argc > 1) {
     51 		if (chdir(argv[1])) {
     52 			perror(argv[1]);
     53 			exit(1);
     54 		}
     55 	}
     56 	if (argc > 2)
     57 		fprintf(stderr, "extra args ignored\n");
     58 
     59 	dfp = opendir(".");
     60 	if (dfp == NULL) {
     61 		err(EXIT_FAILURE, "opendir");
     62 	}
     63 
     64 	while ((d = readdir(dfp)) != NULL)
     65 		show_long(d->d_name);
     66 
     67 	closedir(dfp);
     68 	exit(EXIT_SUCCESS);
     69 }
     70 
     71 /* XXX - This is system dependent... */
     72 const char ifmt_name[16] = {
     73 	'?',	/* 0: nothing */
     74 	'P',	/* 1: fifo (pipe) */
     75 	'C',	/* 2: chr device */
     76 	'?',	/* 3: ? */
     77 	'D',	/* 4: dir */
     78 	'?',	/* 5: ? */
     79 	'B',	/* 6: blk device */
     80 	'?',	/* 7: ? */
     81 	'F',	/* 8: file */
     82 	'?',	/* 9: ? */
     83 	'L',	/* A: link */
     84 	'?',	/* B: ? */
     85 	'S',	/* C: socket */
     86 	'?',	/* D: ? */
     87 	'W',	/* E: whiteout */
     88 	'?' 	/* F: ? */
     89 };
     90 
     91 void
     92 show_long(char *fname)
     93 {
     94 	struct stat st;
     95 	int ifmt;
     96 	char ifmt_c;
     97 	char *date;
     98 
     99 	if (lstat(fname, &st)) {
    100 		perror(fname);
    101 		return;
    102 	}
    103 	ifmt = (st.st_mode >> 12) & 15;
    104 	ifmt_c = ifmt_name[ifmt];
    105 
    106 	if (iflag) {
    107 		/* inode number */
    108 		printf("%6d ",  (int)st.st_ino);	/* assume small fs */
    109 	}
    110 
    111 	/* fmt/mode */
    112 	printf("%c:",   ifmt_c);
    113 	printf("%04o ", st.st_mode & 07777);
    114 
    115 	/* nlinks, uid, gid */
    116 	printf("%2d ",   st.st_nlink);
    117 	printf("%4d ",  st.st_uid);
    118 	printf("%4d ",  st.st_gid);
    119 
    120 	/* size or major/minor */
    121 	if ((ifmt_c == 'B') || (ifmt_c == 'C')) {
    122 		printf("%2d, ", major(st.st_rdev));
    123 		printf("%3d ",  minor(st.st_rdev));
    124 	} else {
    125 		printf("%7d ",  (int) st.st_size);
    126 	}
    127 
    128 	/* date */
    129 	if ((date = ctime(&st.st_mtime)) == NULL)
    130 		printf("? ");
    131 	else {
    132 		date += 4;	/* skip day-of-week */
    133 		date[12] = '\0';	/* to the minute */
    134 		printf("%s ", date);
    135 	}
    136 
    137 	/* name */
    138 	printf("%s", fname);
    139 
    140 	if (ifmt_c == 'L') {
    141 		char linkto[256];
    142 		int n;
    143 
    144 		n = readlink(fname, linkto, sizeof(linkto)-1);
    145 		if (n < 0) {
    146 			perror(fname);
    147 			return;
    148 		}
    149 		linkto[n] = '\0';
    150 		printf(" -> %s", linkto);
    151 	}
    152 	printf("\n");
    153 }
    154