1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #if 0 33 static char sccsid[] = "@(#)ls.c 8.1 (Berkeley) 6/6/93"; 34 #endif 35 36 #include <sys/cdefs.h> 37 __FBSDID("$FreeBSD$"); 38 39 #include <sys/param.h> 40 #include <sys/stat.h> 41 42 #include <err.h> 43 #include <errno.h> 44 #include <fts.h> 45 #include <grp.h> 46 #include <inttypes.h> 47 #include <langinfo.h> 48 #include <pwd.h> 49 #include <stdio.h> 50 #include <string.h> 51 #include <time.h> 52 #include <unistd.h> 53 54 #include "find.h" 55 56 /* Derived from the print routines in the ls(1) source code. */ 57 58 static void printlink(char *); 59 static void printtime(time_t); 60 61 void 62 printlong(char *name, char *accpath, struct stat *sb) 63 { 64 char modep[15]; 65 66 (void)printf("%6ju %8"PRId64" ", (uintmax_t)sb->st_ino, sb->st_blocks); 67 (void)strmode(sb->st_mode, modep); 68 (void)printf("%s %3ju %-*s %-*s ", modep, (uintmax_t)sb->st_nlink, 69 MAXLOGNAME - 1, 70 user_from_uid(sb->st_uid, 0), MAXLOGNAME - 1, 71 group_from_gid(sb->st_gid, 0)); 72 73 if (S_ISCHR(sb->st_mode) || S_ISBLK(sb->st_mode)) 74 (void)printf("%#8jx ", (uintmax_t)sb->st_rdev); 75 else 76 (void)printf("%8"PRId64" ", sb->st_size); 77 printtime(sb->st_mtime); 78 (void)printf("%s", name); 79 if (S_ISLNK(sb->st_mode)) 80 printlink(accpath); 81 (void)putchar('\n'); 82 } 83 84 static void 85 printtime(time_t ftime) 86 { 87 char longstring[80]; 88 static time_t lnow; 89 const char *format; 90 static int d_first = -1; 91 92 #ifdef D_MD_ORDER 93 if (d_first < 0) 94 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 95 #endif 96 if (lnow == 0) 97 lnow = time(NULL); 98 99 #define SIXMONTHS ((365 / 2) * 86400) 100 if (ftime + SIXMONTHS > lnow && ftime < lnow + SIXMONTHS) 101 /* mmm dd hh:mm || dd mmm hh:mm */ 102 format = d_first ? "%e %b %R " : "%b %e %R "; 103 else 104 /* mmm dd yyyy || dd mmm yyyy */ 105 format = d_first ? "%e %b %Y " : "%b %e %Y "; 106 strftime(longstring, sizeof(longstring), format, localtime(&ftime)); 107 fputs(longstring, stdout); 108 } 109 110 static void 111 printlink(char *name) 112 { 113 ssize_t lnklen; 114 char path[MAXPATHLEN]; 115 116 if ((lnklen = readlink(name, path, MAXPATHLEN - 1)) == -1) { 117 warn("%s", name); 118 return; 119 } 120 path[lnklen] = '\0'; 121 (void)printf(" -> %s", path); 122 } 123