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 /*static char sccsid[] = "from: @(#)ls.c 8.1 (Berkeley) 6/6/93";*/ 36 static char rcsid[] = "$Id: ls.c,v 1.5 1994/03/27 09:01:41 cgd Exp $"; 37 #endif /* not lint */ 38 39 #include <sys/param.h> 40 #include <sys/stat.h> 41 42 #include <err.h> 43 #include <errno.h> 44 #include <stdio.h> 45 #include <string.h> 46 #include <time.h> 47 #include <tzfile.h> 48 #include <unistd.h> 49 #include <utmp.h> 50 51 /* Derived from the print routines in the ls(1) source code. */ 52 53 static void printlink __P((char *)); 54 static void printtime __P((time_t)); 55 56 void 57 printlong(name, accpath, sb) 58 char *name; /* filename to print */ 59 char *accpath; /* current valid path to filename */ 60 struct stat *sb; /* stat buffer */ 61 { 62 char modep[15], *user_from_uid(), *group_from_gid(); 63 64 (void)printf("%6lu %4ld ", sb->st_ino, sb->st_blocks); 65 (void)strmode(sb->st_mode, modep); 66 (void)printf("%s %3u %-*s %-*s ", modep, sb->st_nlink, UT_NAMESIZE, 67 user_from_uid(sb->st_uid, 0), UT_NAMESIZE, 68 group_from_gid(sb->st_gid, 0)); 69 70 if (S_ISCHR(sb->st_mode) || S_ISBLK(sb->st_mode)) 71 (void)printf("%3d, %3d ", major(sb->st_rdev), 72 minor(sb->st_rdev)); 73 else 74 (void)printf("%8qd ", sb->st_size); 75 printtime(sb->st_mtime); 76 (void)printf("%s", name); 77 if (S_ISLNK(sb->st_mode)) 78 printlink(accpath); 79 (void)putchar('\n'); 80 } 81 82 static void 83 printtime(ftime) 84 time_t ftime; 85 { 86 int i; 87 char *longstring, *ctime(); 88 time_t time(); 89 90 longstring = ctime((long *)&ftime); 91 for (i = 4; i < 11; ++i) 92 (void)putchar(longstring[i]); 93 94 #define SIXMONTHS ((DAYSPERNYEAR / 2) * SECSPERDAY) 95 if (ftime + SIXMONTHS > time((time_t *)NULL)) 96 for (i = 11; i < 16; ++i) 97 (void)putchar(longstring[i]); 98 else { 99 (void)putchar(' '); 100 for (i = 20; i < 24; ++i) 101 (void)putchar(longstring[i]); 102 } 103 (void)putchar(' '); 104 } 105 106 static void 107 printlink(name) 108 char *name; 109 { 110 int lnklen; 111 char path[MAXPATHLEN + 1]; 112 113 if ((lnklen = readlink(name, path, MAXPATHLEN)) == -1) { 114 warn("%s", name); 115 return; 116 } 117 path[lnklen] = '\0'; 118 (void)printf(" -> %s", path); 119 } 120