NetBSD/bin/ls/print.c

236 lines
6.2 KiB
C

/*
* 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.
*/
#ifndef lint
static char sccsid[] = "@(#)print.c 5.24 (Berkeley) 10/19/90";
static char rcsid[] = "$Header: /cvsroot/src/bin/ls/print.c,v 1.3 1993/03/23 00:26:10 cgd Exp $";
#endif /* not lint */
#include <sys/param.h>
#include <sys/stat.h>
#include <stdio.h>
#include <grp.h>
#include <pwd.h>
#include <utmp.h>
#include <tzfile.h>
#include "ls.h"
printscol(stats, num)
register LS *stats;
register int num;
{
for (; num--; ++stats) {
(void)printaname(stats);
(void)putchar('\n');
}
}
printlong(stats, num)
LS *stats;
register int num;
{
extern int errno;
char modep[15], *user_from_uid(), *group_from_gid(), *strerror();
if (f_total)
(void)printf("total %lu\n", f_kblocks ?
howmany(stats[0].lstat.st_btotal, 2) :
stats[0].lstat.st_btotal);
for (; num--; ++stats) {
if (f_inode)
(void)printf("%6lu ", stats->lstat.st_ino);
if (f_size)
(void)printf("%4ld ", f_kblocks ?
howmany(stats->lstat.st_blocks, 2) :
stats->lstat.st_blocks);
(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));
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
(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);
if (S_ISLNK(stats->lstat.st_mode))
printlink(stats->name);
(void)putchar('\n');
}
}
#define TAB 8
printcol(stats, num)
LS *stats;
int num;
{
extern int termwidth;
register int base, chcnt, cnt, col, colwidth;
int endcol, numcols, numrows, row;
colwidth = stats[0].lstat.st_maxlen;
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;
if (f_size && f_total)
(void)printf("total %lu\n", f_kblocks ?
howmany(stats[0].lstat.st_btotal, 2) :
stats[0].lstat.st_btotal);
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
*/
printaname(lp)
LS *lp;
{
int chcnt;
chcnt = 0;
if (f_inode)
chcnt += printf("%5lu ", lp->lstat.st_ino);
if (f_size)
chcnt += printf("%4ld ", f_kblocks ?
howmany(lp->lstat.st_blocks, 2) : lp->lstat.st_blocks);
chcnt += printf("%s", lp->name);
if (f_type)
chcnt += printtype(lp->lstat.st_mode);
return(chcnt);
}
printtime(ftime)
time_t ftime;
{
int i;
char *longstring, *ctime();
time_t time();
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(' ');
}
printtype(mode)
mode_t mode;
{
switch(mode & S_IFMT) {
case S_IFDIR:
(void)putchar('/');
return(1);
case S_IFLNK:
(void)putchar('@');
return(1);
case S_IFSOCK:
(void)putchar('=');
return(1);
}
if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
(void)putchar('*');
return(1);
}
return(0);
}
printlink(name)
char *name;
{
int lnklen;
char path[MAXPATHLEN + 1], *strerror();
if ((lnklen = readlink(name, path, MAXPATHLEN)) == -1) {
(void)fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno));
return;
}
path[lnklen] = '\0';
(void)printf(" -> %s", path);
}