1 /* $NetBSD: ls.c,v 1.8 1997/06/30 21:26:57 jtc Exp $ */ 2 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #ifndef lint 37 /*static char sccsid[] = "from: @(#)ls.c 8.1 (Berkeley) 6/6/93";*/ 38 static char rcsid[] = "$NetBSD: ls.c,v 1.8 1997/06/30 21:26:57 jtc Exp $"; 39 #endif /* not lint */ 40 41 #include <sys/param.h> 42 #include <sys/stat.h> 43 44 #include <err.h> 45 #include <errno.h> 46 #include <stdio.h> 47 #include <string.h> 48 #include <time.h> 49 #include <tzfile.h> 50 #include <unistd.h> 51 #include <utmp.h> 52 53 /* Derived from the print routines in the ls(1) source code. */ 54 55 static void printlink __P((char *)); 56 static void printtime __P((time_t)); 57 58 void 59 printlong(name, accpath, sb) 60 char *name; /* filename to print */ 61 char *accpath; /* current valid path to filename */ 62 struct stat *sb; /* stat buffer */ 63 { 64 char modep[15], *user_from_uid(), *group_from_gid(); 65 66 (void)printf("%6lu %4qd ", sb->st_ino, sb->st_blocks); 67 (void)strmode(sb->st_mode, modep); 68 (void)printf("%s %3u %-*s %-*s ", modep, sb->st_nlink, UT_NAMESIZE, 69 user_from_uid(sb->st_uid, 0), UT_NAMESIZE, 70 group_from_gid(sb->st_gid, 0)); 71 72 if (S_ISCHR(sb->st_mode) || S_ISBLK(sb->st_mode)) 73 (void)printf("%3d, %3d ", major(sb->st_rdev), 74 minor(sb->st_rdev)); 75 else 76 (void)printf("%8qd ", 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(ftime) 86 time_t ftime; 87 { 88 int i; 89 char *longstring; 90 91 longstring = ctime(&ftime); 92 for (i = 4; i < 11; ++i) 93 (void)putchar(longstring[i]); 94 95 #define SIXMONTHS ((DAYSPERNYEAR / 2) * SECSPERDAY) 96 if (ftime + SIXMONTHS > time((time_t *)NULL)) 97 for (i = 11; i < 16; ++i) 98 (void)putchar(longstring[i]); 99 else { 100 (void)putchar(' '); 101 for (i = 20; i < 24; ++i) 102 (void)putchar(longstring[i]); 103 } 104 (void)putchar(' '); 105 } 106 107 static void 108 printlink(name) 109 char *name; 110 { 111 int lnklen; 112 char path[MAXPATHLEN + 1]; 113 114 if ((lnklen = readlink(name, path, MAXPATHLEN)) == -1) { 115 warn("%s", name); 116 return; 117 } 118 path[lnklen] = '\0'; 119 (void)printf(" -> %s", path); 120 } 121