1 /* $NetBSD: ls.c,v 1.21 2011/08/31 16:24:57 plunky Exp $ */ 2 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. Neither the name of the University nor the names of its contributors 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/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "from: @(#)ls.c 8.1 (Berkeley) 6/6/93"; 36 #else 37 __RCSID("$NetBSD: ls.c,v 1.21 2011/08/31 16:24:57 plunky Exp $"); 38 #endif 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 <fts.h> 47 #include <grp.h> 48 #include <pwd.h> 49 #include <stdio.h> 50 #include <stdlib.h> 51 #include <string.h> 52 #include <time.h> 53 #include <tzfile.h> 54 #include <unistd.h> 55 56 #include "find.h" 57 58 /* Derived from the print routines in the ls(1) source code. */ 59 60 static void printlink(char *); 61 static void printtime(time_t); 62 63 void 64 printlong(char *name, /* filename to print */ 65 char *accpath, /* current valid path to filename */ 66 struct stat *sb) /* stat buffer */ 67 { 68 char modep[15]; 69 70 (void)printf("%7lu %6lld ", (u_long)sb->st_ino, 71 (long long)sb->st_blocks); 72 (void)strmode(sb->st_mode, modep); 73 (void)printf("%s %3lu %-*s %-*s ", modep, (unsigned long)sb->st_nlink, 74 LOGIN_NAME_MAX, user_from_uid(sb->st_uid, 0), LOGIN_NAME_MAX, 75 group_from_gid(sb->st_gid, 0)); 76 77 if (S_ISCHR(sb->st_mode) || S_ISBLK(sb->st_mode)) 78 (void)printf("%3llu,%5llu ", 79 (unsigned long long)major(sb->st_rdev), 80 (unsigned long long)minor(sb->st_rdev)); 81 else 82 (void)printf("%9lld ", (long long)sb->st_size); 83 printtime(sb->st_mtime); 84 (void)printf("%s", name); 85 if (S_ISLNK(sb->st_mode)) 86 printlink(accpath); 87 (void)putchar('\n'); 88 } 89 90 static void 91 printtime(time_t ftime) 92 { 93 int i; 94 char *longstring; 95 96 longstring = ctime(&ftime); 97 for (i = 4; i < 11; ++i) 98 (void)putchar(longstring[i]); 99 100 #define SIXMONTHS ((DAYSPERNYEAR / 2) * SECSPERDAY) 101 if (ftime + SIXMONTHS > time(NULL)) 102 for (i = 11; i < 16; ++i) 103 (void)putchar(longstring[i]); 104 else { 105 (void)putchar(' '); 106 for (i = 20; i < 24; ++i) 107 (void)putchar(longstring[i]); 108 } 109 (void)putchar(' '); 110 } 111 112 static void 113 printlink(char *name) 114 { 115 int lnklen; 116 char path[MAXPATHLEN + 1]; 117 118 if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) { 119 warn("%s", name); 120 return; 121 } 122 path[lnklen] = '\0'; 123 (void)printf(" -> %s", path); 124 } 125