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- /*
- * Copyright (c) 1989 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Michael Fischbein.
- *
- * 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.
- */
-
- #ifdef DF_POSIX /* DF_DSC */
- #include <misc.h>
- #include <bsdlib.h>
- #endif
-
- #ifndef lint
- static char sccsid[] = "@(#)print.c 5.24 (Berkeley) 10/19/90";
- #endif /* not lint */
-
- #ifdef DF_POSIX /* DF_DSC */
- #include <sys/cdefs.h>
- #else
- #include <sys/param.h>
- #endif
- #include <sys/stat.h>
- #include <stdio.h>
- #include <grp.h>
- #include <pwd.h>
- #include <utmp.h>
- #include <tzfile.h>
- #if WIN_NT
- #include <string.h>
- #include <time.h>
- #endif
- #include "ls.h"
-
- #if WIN_NT
- extern char *user_from_uid __P((uid_t, int));
- extern char *group_from_gid __P((gid_t, int));
-
- int printaname __P((LS *));
- void printtime __P((time_t));
- int printtype __P((mode_t));
- void printlink __P((char *));
- #endif
-
- void
- #if __STDC__
- printscol (register LS *stats, register int num)
- #else
- printscol(stats, num)
- register LS *stats;
- register int num;
- #endif
- {
- for (; num--; ++stats) {
- (void)printaname(stats);
- (void)putchar('\n');
- }
- }
-
- void
- #if __STDC__
- printlong (LS *stats, register int num)
- #else
- printlong(stats, num)
- LS *stats;
- register int num;
- #endif
- {
- extern int errno;
- #if WIN_NT
- char modep[15];
- #else
- char modep[15], *user_from_uid(), *group_from_gid(), *strerror();
- #endif
-
- #ifndef _POSIX_SOURCE /* DF_MSS */
- if (f_total)
- (void)printf("total %lu\n", f_kblocks ?
- howmany(stats[0].lstat.st_btotal, 2) :
- stats[0].lstat.st_btotal);
- #endif
- for (; num--; ++stats) {
- if (f_inode)
- (void)printf("%6lu ", stats->lstat.st_ino);
- #ifndef _POSIX_SOURCE /* DF_MSS */
- if (f_size)
- (void)printf("%4ld ", f_kblocks ?
- howmany(stats->lstat.st_blocks, 2) :
- stats->lstat.st_blocks);
- #endif
- (void)strmode(stats->lstat.st_mode, modep);
- (void)printf("%s %3u %-*s ", modep, stats->lstat.st_nlink,
- UT_NAMESIZE, user_from_uid(stats->lstat.st_uid, 0));
- if (f_group)
- (void)printf("%-*s ", UT_NAMESIZE,
- group_from_gid(stats->lstat.st_gid, 0));
- #ifndef _POSIX_SOURCE /* DF_MSS */
- if (S_ISCHR(stats->lstat.st_mode) ||
- S_ISBLK(stats->lstat.st_mode))
- (void)printf("%3d, %3d ", major(stats->lstat.st_rdev),
- minor(stats->lstat.st_rdev));
- else
- #endif
- (void)printf("%8ld ", stats->lstat.st_size);
- if (f_accesstime)
- printtime(stats->lstat.st_atime);
- else if (f_statustime)
- printtime(stats->lstat.st_ctime);
- else
- printtime(stats->lstat.st_mtime);
- (void)printf("%s", stats->name);
- if (f_type)
- (void)printtype(stats->lstat.st_mode);
- #ifndef _POSIX_SOURCE /* DF_MSS */
- if (S_ISLNK(stats->lstat.st_mode))
- printlink(stats->name);
- #endif
- (void)putchar('\n');
- }
- }
-
- #define TAB 8
-
- void
- #if __STDC__
- printcol (LS *stats, register int num)
- #else
- printcol(stats, num)
- LS *stats;
- register int num;
- #endif
- {
- extern int termwidth;
- register int base, chcnt, cnt, col, colwidth;
- int endcol, numcols, numrows, row;
- #ifdef _POSIX_SOURCE /* DF_MSS */
- colwidth = 14;
- #else
- colwidth = stats[0].lstat.st_maxlen;
- #endif
- if (f_inode)
- colwidth += 6;
- if (f_size)
- colwidth += 5;
- if (f_type)
- colwidth += 1;
-
- colwidth = (colwidth + TAB) & ~(TAB - 1);
- if (termwidth < 2 * colwidth) {
- printscol(stats, num);
- return;
- }
-
- numcols = termwidth / colwidth;
- numrows = num / numcols;
- if (num % numcols)
- ++numrows;
-
- #ifndef _POSIX_SOURCE /* DF_MSS */
- if (f_size && f_total)
- (void)printf("total %lu\n", f_kblocks ?
- howmany(stats[0].lstat.st_btotal, 2) :
- stats[0].lstat.st_btotal);
- #endif
- for (row = 0; row < numrows; ++row) {
- endcol = colwidth;
- for (base = row, chcnt = col = 0; col < numcols; ++col) {
- chcnt += printaname(stats + base);
- if ((base += numrows) >= num)
- break;
- while ((cnt = (chcnt + TAB & ~(TAB - 1))) <= endcol) {
- (void)putchar('\t');
- chcnt = cnt;
- }
- endcol += colwidth;
- }
- putchar('\n');
- }
- }
-
- /*
- * print [inode] [size] name
- * return # of characters printed, no trailing characters
- */
- int
- #if __STDC__
- printaname (LS *lp)
- #else
- printaname(lp)
- LS *lp;
- #endif
- {
- int chcnt;
-
- chcnt = 0;
- if (f_inode)
- chcnt += printf("%5lu ", lp->lstat.st_ino);
- #ifndef _POSIX_SOURCE /* DF_MSS */
- if (f_size)
- chcnt += printf("%4ld ", f_kblocks ?
- howmany(lp->lstat.st_blocks, 2) : lp->lstat.st_blocks);
- #endif
- chcnt += printf("%s", lp->name);
- if (f_type)
- chcnt += printtype(lp->lstat.st_mode);
- return(chcnt);
- }
-
- void
- #if __STDC__
- printtime (time_t ftime)
- #else
- printtime(ftime)
- time_t ftime;
- #endif
- {
- int i;
- #if WIN_NT
- char *longstring;
- #else
- char *longstring, *ctime();
- time_t time();
- #endif
-
- longstring = ctime((long *)&ftime);
- for (i = 4; i < 11; ++i)
- (void)putchar(longstring[i]);
-
- #define SIXMONTHS ((DAYSPERNYEAR / 2) * SECSPERDAY)
- if (f_sectime)
- for (i = 11; i < 24; i++)
- (void)putchar(longstring[i]);
- else if (ftime + SIXMONTHS > time((time_t *)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(' ');
- }
-
- int
- #if __STDC__
- printtype (mode_t mode)
- #else
- printtype(mode)
- mode_t mode;
- #endif
- {
- switch(mode & S_IFMT) {
- case S_IFDIR:
- (void)putchar('/');
- return(1);
- #ifndef _POSIX_SOURCE /* DF_MSS */
- case S_IFLNK:
- (void)putchar('@');
- return(1);
- case S_IFSOCK:
- (void)putchar('=');
- return(1);
- #endif
- }
- if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
- (void)putchar('*');
- return(1);
- }
- return(0);
- }
-
- void
- #if __STDC__
- printlink (char *name)
- #else
- printlink(name)
- char *name;
- #endif
- {
- int lnklen;
- #if WIN_NT
- char path[MAXPATHLEN + 1];
- #else
- char path[MAXPATHLEN + 1], *strerror();
- #endif
-
- #ifdef _POSIX_SOURCE /* DF_MSS */
- if (name == NULL)
- ;
- #else
- if ((lnklen = readlink(name, path, MAXPATHLEN)) == -1) {
- (void)fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno));
- return;
- }
- #endif
- path[lnklen] = '\0';
- (void)printf(" -> %s", path);
- }
-