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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)ls.c 8.1 (Berkeley) 6/6/93 30 * $FreeBSD: head/usr.bin/find/ls.c 241015 2012-09-27 23:31:19Z mdf $ 31 */ 32 33 #include <sys/param.h> 34 #include <sys/stat.h> 35 36 #include <err.h> 37 #include <errno.h> 38 #include <fts.h> 39 #include <grp.h> 40 #include <inttypes.h> 41 #include <langinfo.h> 42 #include <pwd.h> 43 #include <stdio.h> 44 #include <string.h> 45 #include <time.h> 46 #include <unistd.h> 47 48 #include "find.h" 49 50 /* Derived from the print routines in the ls(1) source code. */ 51 52 static void printlink(char *); 53 static void printtime(time_t); 54 55 void 56 printlong(char *name, char *accpath, struct stat *sb) 57 { 58 char modep[15]; 59 60 (void)printf("%6ju %8"PRId64" ", (uintmax_t)sb->st_ino, sb->st_blocks); 61 (void)strmode(sb->st_mode, modep); 62 (void)printf("%s %3u %-*s %-*s ", modep, sb->st_nlink, MAXLOGNAME - 1, 63 user_from_uid(sb->st_uid, 0), MAXLOGNAME - 1, 64 group_from_gid(sb->st_gid, 0)); 65 66 if (S_ISCHR(sb->st_mode) || S_ISBLK(sb->st_mode)) 67 (void)printf("%#8jx ", (uintmax_t)sb->st_rdev); 68 else 69 (void)printf("%8"PRId64" ", sb->st_size); 70 printtime(sb->st_mtime); 71 (void)printf("%s", name); 72 if (S_ISLNK(sb->st_mode)) 73 printlink(accpath); 74 (void)putchar('\n'); 75 } 76 77 static void 78 printtime(time_t ftime) 79 { 80 char longstring[80]; 81 static time_t lnow; 82 const char *format; 83 static int d_first = -1; 84 85 if (d_first < 0) 86 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 87 if (lnow == 0) 88 lnow = time(NULL); 89 90 #define SIXMONTHS ((365 / 2) * 86400) 91 if (ftime + SIXMONTHS > lnow && ftime < lnow + SIXMONTHS) 92 /* mmm dd hh:mm || dd mmm hh:mm */ 93 format = d_first ? "%e %b %R " : "%b %e %R "; 94 else 95 /* mmm dd yyyy || dd mmm yyyy */ 96 format = d_first ? "%e %b %Y " : "%b %e %Y "; 97 strftime(longstring, sizeof(longstring), format, localtime(&ftime)); 98 fputs(longstring, stdout); 99 } 100 101 static void 102 printlink(char *name) 103 { 104 int lnklen; 105 char path[MAXPATHLEN]; 106 107 if ((lnklen = readlink(name, path, MAXPATHLEN - 1)) == -1) { 108 warn("%s", name); 109 return; 110 } 111 path[lnklen] = '\0'; 112 (void)printf(" -> %s", path); 113 } 114