455 lines
11 KiB
C
455 lines
11 KiB
C
/* $NetBSD: print.c,v 1.47 2010/04/02 15:09:12 christos Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1989, 1993, 1994
|
|
* 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. 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)print.c 8.5 (Berkeley) 7/28/94";
|
|
#else
|
|
__RCSID("$NetBSD: print.c,v 1.47 2010/04/02 15:09:12 christos Exp $");
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <fts.h>
|
|
#include <grp.h>
|
|
#include <pwd.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <tzfile.h>
|
|
#include <unistd.h>
|
|
#include <util.h>
|
|
|
|
#include "ls.h"
|
|
#include "extern.h"
|
|
|
|
extern int termwidth;
|
|
|
|
static int printaname(FTSENT *, int, int);
|
|
static void printlink(FTSENT *);
|
|
static void printtime(time_t);
|
|
static void printtotal(DISPLAY *dp);
|
|
static int printtype(u_int);
|
|
|
|
static time_t now;
|
|
|
|
#define IS_NOPRINT(p) ((p)->fts_number == NO_PRINT)
|
|
|
|
void
|
|
printscol(DISPLAY *dp)
|
|
{
|
|
FTSENT *p;
|
|
|
|
for (p = dp->list; p; p = p->fts_link) {
|
|
if (IS_NOPRINT(p))
|
|
continue;
|
|
(void)printaname(p, dp->s_inode, dp->s_block);
|
|
(void)putchar('\n');
|
|
}
|
|
}
|
|
|
|
void
|
|
printlong(DISPLAY *dp)
|
|
{
|
|
struct stat *sp;
|
|
FTSENT *p;
|
|
NAMES *np;
|
|
char buf[20], szbuf[5];
|
|
|
|
now = time(NULL);
|
|
|
|
printtotal(dp); /* "total: %u\n" */
|
|
|
|
for (p = dp->list; p; p = p->fts_link) {
|
|
if (IS_NOPRINT(p))
|
|
continue;
|
|
sp = p->fts_statp;
|
|
if (f_inode)
|
|
(void)printf("%*lu ", dp->s_inode,
|
|
(unsigned long)sp->st_ino);
|
|
if (f_size) {
|
|
if (f_humanize) {
|
|
if ((humanize_number(szbuf, sizeof(szbuf),
|
|
sp->st_blocks * S_BLKSIZE,
|
|
"", HN_AUTOSCALE,
|
|
(HN_DECIMAL | HN_B | HN_NOSPACE))) == -1)
|
|
err(1, "humanize_number");
|
|
(void)printf("%*s ", dp->s_block, szbuf);
|
|
} else {
|
|
(void)printf("%*llu ", dp->s_block,
|
|
(long long)howmany(sp->st_blocks,
|
|
blocksize));
|
|
}
|
|
}
|
|
(void)strmode(sp->st_mode, buf);
|
|
np = p->fts_pointer;
|
|
(void)printf("%s %*lu ", buf, dp->s_nlink,
|
|
(unsigned long)sp->st_nlink);
|
|
if (!f_grouponly)
|
|
(void)printf("%-*s ", dp->s_user, np->user);
|
|
(void)printf("%-*s ", dp->s_group, np->group);
|
|
if (f_flags)
|
|
(void)printf("%-*s ", dp->s_flags, np->flags);
|
|
if (S_ISCHR(sp->st_mode) || S_ISBLK(sp->st_mode))
|
|
(void)printf("%*lld, %*lld ",
|
|
dp->s_major, (long long)major(sp->st_rdev),
|
|
dp->s_minor, (long long)minor(sp->st_rdev));
|
|
else
|
|
if (f_humanize) {
|
|
if ((humanize_number(szbuf, sizeof(szbuf),
|
|
sp->st_size, "", HN_AUTOSCALE,
|
|
(HN_DECIMAL | HN_B | HN_NOSPACE))) == -1)
|
|
err(1, "humanize_number");
|
|
(void)printf("%*s ", dp->s_size, szbuf);
|
|
} else {
|
|
(void)printf("%*llu ", dp->s_size,
|
|
(long long)sp->st_size);
|
|
}
|
|
if (f_accesstime)
|
|
printtime(sp->st_atime);
|
|
else if (f_statustime)
|
|
printtime(sp->st_ctime);
|
|
else
|
|
printtime(sp->st_mtime);
|
|
if (f_octal || f_octal_escape)
|
|
(void)safe_print(p->fts_name);
|
|
else if (f_nonprint)
|
|
(void)printescaped(p->fts_name);
|
|
else
|
|
(void)printf("%s", p->fts_name);
|
|
|
|
if (f_type || (f_typedir && S_ISDIR(sp->st_mode)))
|
|
(void)printtype(sp->st_mode);
|
|
if (S_ISLNK(sp->st_mode))
|
|
printlink(p);
|
|
(void)putchar('\n');
|
|
}
|
|
}
|
|
|
|
void
|
|
printcol(DISPLAY *dp)
|
|
{
|
|
static FTSENT **array;
|
|
static int lastentries = -1;
|
|
FTSENT *p;
|
|
int base, chcnt, col, colwidth, num;
|
|
int numcols, numrows, row;
|
|
|
|
colwidth = dp->maxlen;
|
|
if (f_inode)
|
|
colwidth += dp->s_inode + 1;
|
|
if (f_size) {
|
|
if (f_humanize)
|
|
colwidth += dp->s_size + 1;
|
|
else
|
|
colwidth += dp->s_block + 1;
|
|
}
|
|
if (f_type || f_typedir)
|
|
colwidth += 1;
|
|
|
|
colwidth += 1;
|
|
|
|
if (termwidth < 2 * colwidth) {
|
|
printscol(dp);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Have to do random access in the linked list -- build a table
|
|
* of pointers.
|
|
*/
|
|
if (dp->entries > lastentries) {
|
|
lastentries = dp->entries;
|
|
if ((array =
|
|
realloc(array, dp->entries * sizeof(FTSENT *))) == NULL) {
|
|
warn(NULL);
|
|
printscol(dp);
|
|
}
|
|
}
|
|
for (p = dp->list, num = 0; p; p = p->fts_link)
|
|
if (p->fts_number != NO_PRINT)
|
|
array[num++] = p;
|
|
|
|
numcols = termwidth / colwidth;
|
|
colwidth = termwidth / numcols; /* spread out if possible */
|
|
numrows = num / numcols;
|
|
if (num % numcols)
|
|
++numrows;
|
|
|
|
printtotal(dp); /* "total: %u\n" */
|
|
|
|
for (row = 0; row < numrows; ++row) {
|
|
for (base = row, chcnt = col = 0; col < numcols; ++col) {
|
|
chcnt = printaname(array[base], dp->s_inode,
|
|
f_humanize ? dp->s_size : dp->s_block);
|
|
if ((base += numrows) >= num)
|
|
break;
|
|
while (chcnt++ < colwidth)
|
|
(void)putchar(' ');
|
|
}
|
|
(void)putchar('\n');
|
|
}
|
|
}
|
|
|
|
void
|
|
printacol(DISPLAY *dp)
|
|
{
|
|
FTSENT *p;
|
|
int chcnt, col, colwidth;
|
|
int numcols;
|
|
|
|
colwidth = dp->maxlen;
|
|
if (f_inode)
|
|
colwidth += dp->s_inode + 1;
|
|
if (f_size) {
|
|
if (f_humanize)
|
|
colwidth += dp->s_size + 1;
|
|
else
|
|
colwidth += dp->s_block + 1;
|
|
}
|
|
if (f_type || f_typedir)
|
|
colwidth += 1;
|
|
|
|
colwidth += 1;
|
|
|
|
if (termwidth < 2 * colwidth) {
|
|
printscol(dp);
|
|
return;
|
|
}
|
|
|
|
numcols = termwidth / colwidth;
|
|
colwidth = termwidth / numcols; /* spread out if possible */
|
|
|
|
printtotal(dp); /* "total: %u\n" */
|
|
|
|
chcnt = col = 0;
|
|
for (p = dp->list; p; p = p->fts_link) {
|
|
if (IS_NOPRINT(p))
|
|
continue;
|
|
if (col >= numcols) {
|
|
chcnt = col = 0;
|
|
(void)putchar('\n');
|
|
}
|
|
chcnt = printaname(p, dp->s_inode,
|
|
f_humanize ? dp->s_size : dp->s_block);
|
|
while (chcnt++ < colwidth)
|
|
(void)putchar(' ');
|
|
col++;
|
|
}
|
|
(void)putchar('\n');
|
|
}
|
|
|
|
void
|
|
printstream(DISPLAY *dp)
|
|
{
|
|
FTSENT *p;
|
|
int col;
|
|
int extwidth;
|
|
|
|
extwidth = 0;
|
|
if (f_inode)
|
|
extwidth += dp->s_inode + 1;
|
|
if (f_size) {
|
|
if (f_humanize)
|
|
extwidth += dp->s_size + 1;
|
|
else
|
|
extwidth += dp->s_block + 1;
|
|
}
|
|
if (f_type)
|
|
extwidth += 1;
|
|
|
|
for (col = 0, p = dp->list; p != NULL; p = p->fts_link) {
|
|
if (IS_NOPRINT(p))
|
|
continue;
|
|
if (col > 0) {
|
|
(void)putchar(','), col++;
|
|
if (col + 1 + extwidth + (int)p->fts_namelen >= termwidth)
|
|
(void)putchar('\n'), col = 0;
|
|
else
|
|
(void)putchar(' '), col++;
|
|
}
|
|
col += printaname(p, dp->s_inode,
|
|
f_humanize ? dp->s_size : dp->s_block);
|
|
}
|
|
(void)putchar('\n');
|
|
}
|
|
|
|
/*
|
|
* print [inode] [size] name
|
|
* return # of characters printed, no trailing characters.
|
|
*/
|
|
static int
|
|
printaname(FTSENT *p, int inodefield, int sizefield)
|
|
{
|
|
struct stat *sp;
|
|
int chcnt;
|
|
char szbuf[5];
|
|
|
|
sp = p->fts_statp;
|
|
chcnt = 0;
|
|
if (f_inode)
|
|
chcnt += printf("%*lu ", inodefield, (unsigned long)sp->st_ino);
|
|
if (f_size) {
|
|
if (f_humanize) {
|
|
if ((humanize_number(szbuf, sizeof(szbuf), sp->st_size,
|
|
"", HN_AUTOSCALE,
|
|
(HN_DECIMAL | HN_B | HN_NOSPACE))) == -1)
|
|
err(1, "humanize_number");
|
|
chcnt += printf("%*s ", sizefield, szbuf);
|
|
} else {
|
|
chcnt += printf("%*llu ", sizefield,
|
|
(long long)howmany(sp->st_blocks, blocksize));
|
|
}
|
|
}
|
|
if (f_octal || f_octal_escape)
|
|
chcnt += safe_print(p->fts_name);
|
|
else if (f_nonprint)
|
|
chcnt += printescaped(p->fts_name);
|
|
else
|
|
chcnt += printf("%s", p->fts_name);
|
|
if (f_type || (f_typedir && S_ISDIR(sp->st_mode)))
|
|
chcnt += printtype(sp->st_mode);
|
|
return (chcnt);
|
|
}
|
|
|
|
static void
|
|
printtime(time_t ftime)
|
|
{
|
|
int i;
|
|
const char *longstring;
|
|
|
|
if ((longstring = ctime(&ftime)) == NULL) {
|
|
/* 012345678901234567890123 */
|
|
longstring = "????????????????????????";
|
|
}
|
|
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 > now && ftime - SIXMONTHS < now)
|
|
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(' ');
|
|
}
|
|
|
|
/*
|
|
* Display total used disk space in the form "total: %u\n".
|
|
* Note: POSIX (IEEE Std 1003.1-2001) says this should be always in 512 blocks,
|
|
* but we humanise it with -h and use 1024 with -k.
|
|
*/
|
|
static void
|
|
printtotal(DISPLAY *dp)
|
|
{
|
|
char szbuf[5];
|
|
|
|
if (dp->list->fts_level != FTS_ROOTLEVEL && (f_longform || f_size)) {
|
|
if (f_humanize) {
|
|
if ((humanize_number(szbuf, sizeof(szbuf), (int64_t)dp->stotal,
|
|
"", HN_AUTOSCALE,
|
|
(HN_DECIMAL | HN_B | HN_NOSPACE))) == -1)
|
|
err(1, "humanize_number");
|
|
(void)printf("total %s\n", szbuf);
|
|
} else {
|
|
(void)printf("total %llu\n",
|
|
(long long)(howmany(dp->btotal, blocksize)));
|
|
}
|
|
}
|
|
}
|
|
|
|
static int
|
|
printtype(u_int mode)
|
|
{
|
|
switch (mode & S_IFMT) {
|
|
case S_IFDIR:
|
|
(void)putchar('/');
|
|
return (1);
|
|
case S_IFIFO:
|
|
(void)putchar('|');
|
|
return (1);
|
|
case S_IFLNK:
|
|
(void)putchar('@');
|
|
return (1);
|
|
case S_IFSOCK:
|
|
(void)putchar('=');
|
|
return (1);
|
|
case S_IFWHT:
|
|
(void)putchar('%');
|
|
return (1);
|
|
}
|
|
if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
|
|
(void)putchar('*');
|
|
return (1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
printlink(FTSENT *p)
|
|
{
|
|
int lnklen;
|
|
char name[MAXPATHLEN + 1], path[MAXPATHLEN + 1];
|
|
|
|
if (p->fts_level == FTS_ROOTLEVEL)
|
|
(void)snprintf(name, sizeof(name), "%s", p->fts_name);
|
|
else
|
|
(void)snprintf(name, sizeof(name),
|
|
"%s/%s", p->fts_parent->fts_accpath, p->fts_name);
|
|
if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) {
|
|
(void)fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno));
|
|
return;
|
|
}
|
|
path[lnklen] = '\0';
|
|
(void)printf(" -> ");
|
|
if (f_octal || f_octal_escape)
|
|
(void)safe_print(path);
|
|
else if (f_nonprint)
|
|
(void)printescaped(path);
|
|
else
|
|
(void)printf("%s", path);
|
|
}
|