1 /* $NetBSD: ls.c,v 1.14 2001/01/04 23:05:55 lukem 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. 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 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "from: @(#)ls.c 8.1 (Berkeley) 6/6/93"; 40 #else 41 __RCSID("$NetBSD: ls.c,v 1.14 2001/01/04 23:05:55 lukem Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <sys/param.h> 46 #include <sys/stat.h> 47 48 #include <err.h> 49 #include <errno.h> 50 #include <fts.h> 51 #include <grp.h> 52 #include <pwd.h> 53 #include <stdio.h> 54 #include <stdlib.h> 55 #include <string.h> 56 #include <time.h> 57 #include <tzfile.h> 58 #include <unistd.h> 59 #include <utmp.h> 60 61 #include "find.h" 62 63 /* Derived from the print routines in the ls(1) source code. */ 64 65 static void printlink __P((char *)); 66 static void printtime __P((time_t)); 67 68 void 69 printlong(name, accpath, sb) 70 char *name; /* filename to print */ 71 char *accpath; /* current valid path to filename */ 72 struct stat *sb; /* stat buffer */ 73 { 74 char modep[15]; 75 76 (void)printf("%7lu %6lld ", (u_long)sb->st_ino, 77 (long long)sb->st_blocks); 78 (void)strmode(sb->st_mode, modep); 79 (void)printf("%s %3lu %-*s %-*s ", modep, (unsigned long)sb->st_nlink, 80 UT_NAMESIZE, user_from_uid(sb->st_uid, 0), UT_NAMESIZE, 81 group_from_gid(sb->st_gid, 0)); 82 83 if (S_ISCHR(sb->st_mode) || S_ISBLK(sb->st_mode)) 84 (void)printf("%3d,%5d ", major(sb->st_rdev), 85 minor(sb->st_rdev)); 86 else 87 (void)printf("%9lld ", (long long)sb->st_size); 88 printtime(sb->st_mtime); 89 (void)printf("%s", name); 90 if (S_ISLNK(sb->st_mode)) 91 printlink(accpath); 92 (void)putchar('\n'); 93 } 94 95 static void 96 printtime(ftime) 97 time_t ftime; 98 { 99 int i; 100 char *longstring; 101 102 longstring = ctime(&ftime); 103 for (i = 4; i < 11; ++i) 104 (void)putchar(longstring[i]); 105 106 #define SIXMONTHS ((DAYSPERNYEAR / 2) * SECSPERDAY) 107 if (ftime + SIXMONTHS > time((time_t *)NULL)) 108 for (i = 11; i < 16; ++i) 109 (void)putchar(longstring[i]); 110 else { 111 (void)putchar(' '); 112 for (i = 20; i < 24; ++i) 113 (void)putchar(longstring[i]); 114 } 115 (void)putchar(' '); 116 } 117 118 static void 119 printlink(name) 120 char *name; 121 { 122 int lnklen; 123 char path[MAXPATHLEN + 1]; 124 125 if ((lnklen = readlink(name, path, MAXPATHLEN)) == -1) { 126 warn("%s", name); 127 return; 128 } 129 path[lnklen] = '\0'; 130 (void)printf(" -> %s", path); 131 } 132