/* $OpenBSD: ls.c,v 1.9 2002/02/16 21:27:46 millert Exp $ */ /* * Copyright (c) 1989, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef lint /*static char sccsid[] = "from: @(#)ls.c 8.1 (Berkeley) 6/6/93";*/ static char rcsid[] = "$OpenBSD: ls.c,v 1.9 2002/02/16 21:27:46 millert Exp $"; #endif /* not lint */ #include <sys/param.h> #include <sys/stat.h> #include <err.h> #include <errno.h> #include <stdio.h> #include <string.h> #include <time.h> #include <tzfile.h> #include <unistd.h> #include <utmp.h> /* Derived from the print routines in the ls(1) source code. */ static void printlink(char *); static void printtime(time_t); #define NAME_WIDTH 8 void printlong(name, accpath, sb) char *name; /* filename to print */ char *accpath; /* current valid path to filename */ struct stat *sb; /* stat buffer */ { char modep[15], *user_from_uid(), *group_from_gid(); (void)printf("%6u %4lld ", sb->st_ino, (long long)sb->st_blocks); (void)strmode(sb->st_mode, modep); (void)printf("%s %3u %-*.*s %-*.*s ", modep, sb->st_nlink, NAME_WIDTH, UT_NAMESIZE, user_from_uid(sb->st_uid, 0), NAME_WIDTH, UT_NAMESIZE, group_from_gid(sb->st_gid, 0)); if (S_ISCHR(sb->st_mode) || S_ISBLK(sb->st_mode)) (void)printf("%3d, %3d ", major(sb->st_rdev), minor(sb->st_rdev)); else (void)printf("%8lld ", (long long)sb->st_size); printtime(sb->st_mtime); (void)printf("%s", name); if (S_ISLNK(sb->st_mode)) printlink(accpath); (void)putchar('\n'); } static void printtime(ftime) time_t ftime; { int i; char *longstring; longstring = ctime(&ftime); for (i = 4; i < 11; ++i) (void)putchar(longstring[i]); #define SIXMONTHS ((DAYSPERNYEAR / 2) * SECSPERDAY) if (ftime + SIXMONTHS > time(NULL)) for (i = 11; i < 16; ++i) (void)putchar(longstring[i]); else { (void)putchar(' '); for (i = 20; i < 24; ++i) (void)putchar(longstring[i]); } (void)putchar(' '); } static void printlink(name) char *name; { int lnklen; char path[MAXPATHLEN]; if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) { warn("%s", name); return; } path[lnklen] = '\0'; (void)printf(" -> %s", path); }