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 34 #ifndef lint 35 #if 0 36 static char sccsid[] = "@(#)ls.c 8.1 (Berkeley) 6/6/93"; 37 #else 38 static const char rcsid[] = 39 "$FreeBSD$"; 40 #endif 41 #endif /* not lint */ 42 43 #include <sys/param.h> 44 #include <sys/stat.h> 45 46 #include <err.h> 47 #include <errno.h> 48 #include <fts.h> 49 #include <grp.h> 50 #include <langinfo.h> 51 #include <pwd.h> 52 #include <stdio.h> 53 #include <string.h> 54 #include <time.h> 55 #include <unistd.h> 56 #include <utmp.h> 57 58 #include "find.h" 59 #include "extern.h" 60 61 /* Derived from the print routines in the ls(1) source code. */ 62 63 static void printlink __P((char *)); 64 static void printtime __P((time_t)); 65 66 void 67 printlong(name, accpath, sb) 68 char *name; /* filename to print */ 69 char *accpath; /* current valid path to filename */ 70 struct stat *sb; /* stat buffer */ 71 { 72 char modep[15]; 73 74 (void)printf("%6lu %4qd ", (u_long) sb->st_ino, sb->st_blocks); 75 (void)strmode(sb->st_mode, modep); 76 (void)printf("%s %3u %-*s %-*s ", modep, sb->st_nlink, UT_NAMESIZE, 77 user_from_uid(sb->st_uid, 0), UT_NAMESIZE, 78 group_from_gid(sb->st_gid, 0)); 79 80 if (S_ISCHR(sb->st_mode) || S_ISBLK(sb->st_mode)) 81 (void)printf("%3d, %3d ", major(sb->st_rdev), 82 minor(sb->st_rdev)); 83 else 84 (void)printf("%8qd ", sb->st_size); 85 printtime(sb->st_mtime); 86 (void)printf("%s", name); 87 if (S_ISLNK(sb->st_mode)) 88 printlink(accpath); 89 (void)putchar('\n'); 90 } 91 92 static void 93 printtime(ftime) 94 time_t ftime; 95 { 96 char longstring[80]; 97 static time_t now; 98 const char *format; 99 static int d_first = -1; 100 101 if (d_first < 0) 102 d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 103 if (now == 0) 104 now = time(NULL); 105 106 #define SIXMONTHS ((365 / 2) * 86400) 107 if (ftime + SIXMONTHS > now && ftime < now + SIXMONTHS) 108 /* mmm dd hh:mm || dd mmm hh:mm */ 109 format = d_first ? "%e %b %R " : "%b %e %R "; 110 else 111 /* mmm dd yyyy || dd mmm yyyy */ 112 format = d_first ? "%e %b %Y " : "%b %e %Y "; 113 strftime(longstring, sizeof(longstring), format, localtime(&ftime)); 114 fputs(longstring, stdout); 115 } 116 117 static void 118 printlink(name) 119 char *name; 120 { 121 int lnklen; 122 char path[MAXPATHLEN]; 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