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 1.5.6.3 2002/03/12 19:34:50 phantom Exp $ 35 * $DragonFly: src/usr.bin/find/ls.c,v 1.3 2003/10/04 20:36:44 hmp Exp $ 36 */ 37 38 #include <sys/param.h> 39 #include <sys/stat.h> 40 41 #include <err.h> 42 #include <errno.h> 43 #include <langinfo.h> 44 #include <stdio.h> 45 #include <string.h> 46 #include <time.h> 47 #include <unistd.h> 48 #include <utmp.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 /* 56 name: filename to print 57 accpath: current valid path to filename 58 sb: stat buffer 59 */ 60 void 61 printlong(char *name, char *accpath, struct stat *sb) 62 { 63 char modep[15], *user_from_uid(), *group_from_gid(); 64 65 (void)printf("%6lu %4qd ", (u_long) sb->st_ino, sb->st_blocks); 66 (void)strmode(sb->st_mode, modep); 67 (void)printf("%s %3u %-*s %-*s ", modep, sb->st_nlink, UT_NAMESIZE, 68 user_from_uid(sb->st_uid, 0), UT_NAMESIZE, 69 group_from_gid(sb->st_gid, 0)); 70 71 if (S_ISCHR(sb->st_mode) || S_ISBLK(sb->st_mode)) 72 (void)printf("%3d, %3d ", major(sb->st_rdev), 73 minor(sb->st_rdev)); 74 else 75 (void)printf("%8qd ", sb->st_size); 76 printtime(sb->st_mtime); 77 (void)printf("%s", name); 78 if (S_ISLNK(sb->st_mode)) 79 printlink(accpath); 80 (void)putchar('\n'); 81 } 82 83 static void 84 printtime(time_t ftime) 85 { 86 char longstring[80]; 87 static time_t now; 88 const char *format; 89 static int d_first = -1; 90 91 if (d_first < 0) 92 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 93 if (now == 0) 94 now = time(NULL); 95 96 #define SIXMONTHS ((365 / 2) * 86400) 97 if (ftime + SIXMONTHS > now && ftime < now + SIXMONTHS) 98 /* mmm dd hh:mm || dd mmm hh:mm */ 99 format = d_first ? "%e %b %R " : "%b %e %R "; 100 else 101 /* mmm dd yyyy || dd mmm yyyy */ 102 format = d_first ? "%e %b %Y " : "%b %e %Y "; 103 strftime(longstring, sizeof(longstring), format, localtime(&ftime)); 104 fputs(longstring, stdout); 105 } 106 107 static void 108 printlink(char *name) 109 { 110 int lnklen; 111 char path[MAXPATHLEN + 1]; 112 113 if ((lnklen = readlink(name, path, MAXPATHLEN - 1)) == -1) { 114 warn("%s", name); 115 return; 116 } 117 path[lnklen] = '\0'; 118 (void)printf(" -> %s", path); 119 } 120