1 /* $NetBSD: ls.c,v 1.16 2002/10/19 20:33:19 provos 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 1.16 2002/10/19 20:33:19 provos 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 60 #include "find.h" 61 62 /* Derived from the print routines in the ls(1) source code. */ 63 64 static void printlink __P((char *)); 65 static void printtime __P((time_t)); 66 67 void 68 printlong(name, accpath, sb) 69 char *name; /* filename to print */ 70 char *accpath; /* current valid path to filename */ 71 struct stat *sb; /* stat buffer */ 72 { 73 char modep[15]; 74 75 (void)printf("%7lu %6lld ", (u_long)sb->st_ino, 76 (long long)sb->st_blocks); 77 (void)strmode(sb->st_mode, modep); 78 (void)printf("%s %3lu %-*s %-*s ", modep, (unsigned long)sb->st_nlink, 79 LOGIN_NAME_MAX, user_from_uid(sb->st_uid, 0), LOGIN_NAME_MAX, 80 group_from_gid(sb->st_gid, 0)); 81 82 if (S_ISCHR(sb->st_mode) || S_ISBLK(sb->st_mode)) 83 (void)printf("%3d,%5d ", major(sb->st_rdev), 84 minor(sb->st_rdev)); 85 else 86 (void)printf("%9lld ", (long long)sb->st_size); 87 printtime(sb->st_mtime); 88 (void)printf("%s", name); 89 if (S_ISLNK(sb->st_mode)) 90 printlink(accpath); 91 (void)putchar('\n'); 92 } 93 94 static void 95 printtime(ftime) 96 time_t ftime; 97 { 98 int i; 99 char *longstring; 100 101 longstring = ctime(&ftime); 102 for (i = 4; i < 11; ++i) 103 (void)putchar(longstring[i]); 104 105 #define SIXMONTHS ((DAYSPERNYEAR / 2) * SECSPERDAY) 106 if (ftime + SIXMONTHS > time((time_t *)NULL)) 107 for (i = 11; i < 16; ++i) 108 (void)putchar(longstring[i]); 109 else { 110 (void)putchar(' '); 111 for (i = 20; i < 24; ++i) 112 (void)putchar(longstring[i]); 113 } 114 (void)putchar(' '); 115 } 116 117 static void 118 printlink(name) 119 char *name; 120 { 121 int lnklen; 122 char path[MAXPATHLEN + 1]; 123 124 if ((lnklen = readlink(name, path, MAXPATHLEN - 1)) == -1) { 125 warn("%s", name); 126 return; 127 } 128 path[lnklen] = '\0'; 129 (void)printf(" -> %s", path); 130 } 131