1 /* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)ls.c 8.1 (Berkeley) 6/6/93 34 * $FreeBSD: src/usr.bin/find/ls.c,v 1.17 2004/01/20 09:27:03 des Exp $ 35 * $DragonFly: src/usr.bin/find/ls.c,v 1.6 2005/02/22 01:52:44 joerg Exp $ 36 */ 37 38 #include <sys/param.h> 39 #include <sys/stat.h> 40 41 #include <err.h> 42 #include <errno.h> 43 #include <fts.h> 44 #include <grp.h> 45 #include <inttypes.h> 46 #include <langinfo.h> 47 #include <pwd.h> 48 #include <stdio.h> 49 #include <stdlib.h> 50 #include <string.h> 51 #include <time.h> 52 #include <unistd.h> 53 54 #include "find.h" 55 56 #ifndef PRId64 57 #define PRId64 "lld" 58 #endif 59 60 /* Derived from the print routines in the ls(1) source code. */ 61 62 static void printlink(char *); 63 static void printtime(time_t); 64 65 void 66 printlong(char *name, char *accpath, struct stat *sb) 67 { 68 char modep[15]; 69 70 printf("%6lu %8"PRId64" ", (u_long) sb->st_ino, sb->st_blocks); 71 strmode(sb->st_mode, modep); 72 printf("%s %3u %-*s %-*s ", modep, sb->st_nlink, MAXLOGNAME - 1, 73 user_from_uid(sb->st_uid, 0), MAXLOGNAME - 1, 74 group_from_gid(sb->st_gid, 0)); 75 76 if (S_ISCHR(sb->st_mode) || S_ISBLK(sb->st_mode)) 77 printf("%3d, %3d ", major(sb->st_rdev), 78 minor(sb->st_rdev)); 79 else 80 printf("%8"PRId64" ", sb->st_size); 81 printtime(sb->st_mtime); 82 printf("%s", name); 83 if (S_ISLNK(sb->st_mode)) 84 printlink(accpath); 85 putchar('\n'); 86 } 87 88 static void 89 printtime(time_t ftime) 90 { 91 char longstring[80]; 92 static time_t lnow; 93 const char *format; 94 static int d_first = -1; 95 96 if (d_first < 0) 97 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 98 if (lnow == 0) 99 lnow = time(NULL); 100 101 #define SIXMONTHS ((365 / 2) * 86400) 102 if (ftime + SIXMONTHS > lnow && ftime < lnow + SIXMONTHS) 103 /* mmm dd hh:mm || dd mmm hh:mm */ 104 format = d_first ? "%e %b %R " : "%b %e %R "; 105 else 106 /* mmm dd yyyy || dd mmm yyyy */ 107 format = d_first ? "%e %b %Y " : "%b %e %Y "; 108 strftime(longstring, sizeof(longstring), format, localtime(&ftime)); 109 fputs(longstring, stdout); 110 } 111 112 static void 113 printlink(char *name) 114 { 115 int lnklen; 116 char path[MAXPATHLEN]; 117 118 if ((lnklen = readlink(name, path, MAXPATHLEN - 1)) == -1) { 119 warn("%s", name); 120 return; 121 } 122 path[lnklen] = '\0'; 123 printf(" -> %s", path); 124 } 125