Merge "Lose du to toybox."
This commit is contained in:
Elliott Hughes
Gerrit Code Review
commit
ad1c0bb5fd
2 changed files with 0 additions and 371 deletions
|
|
@ -24,18 +24,11 @@ LOCAL_CFLAGS += $(common_cflags) -Dmain=dd_main -DNO_CONV
|
|||
LOCAL_MODULE := libtoolbox_dd
|
||||
include $(BUILD_STATIC_LIBRARY)
|
||||
|
||||
include $(CLEAR_VARS)
|
||||
LOCAL_SRC_FILES := upstream-netbsd/usr.bin/du/du.c
|
||||
LOCAL_CFLAGS += $(common_cflags) -Dmain=du_main
|
||||
LOCAL_MODULE := libtoolbox_du
|
||||
include $(BUILD_STATIC_LIBRARY)
|
||||
|
||||
|
||||
include $(CLEAR_VARS)
|
||||
|
||||
BSD_TOOLS := \
|
||||
dd \
|
||||
du \
|
||||
|
||||
OUR_TOOLS := \
|
||||
df \
|
||||
|
|
|
|||
|
|
@ -1,364 +0,0 @@
|
|||
/* $NetBSD: du.c,v 1.36 2012/03/11 11:23:20 shattered 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
|
||||
* Chris Newcomb.
|
||||
*
|
||||
* 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
|
||||
__COPYRIGHT("@(#) Copyright (c) 1989, 1993, 1994\
|
||||
The Regents of the University of California. All rights reserved.");
|
||||
#endif /* not lint */
|
||||
|
||||
#ifndef lint
|
||||
#if 0
|
||||
static char sccsid[] = "@(#)du.c 8.5 (Berkeley) 5/4/95";
|
||||
#else
|
||||
__RCSID("$NetBSD: du.c,v 1.36 2012/03/11 11:23:20 shattered Exp $");
|
||||
#endif
|
||||
#endif /* not lint */
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
|
||||
#include <dirent.h>
|
||||
#include <err.h>
|
||||
#include <errno.h>
|
||||
#include <fts.h>
|
||||
#include <inttypes.h>
|
||||
#include <util.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
#include <limits.h>
|
||||
|
||||
/* Count inodes or file size */
|
||||
#define COUNT (iflag ? 1 : p->fts_statp->st_blocks)
|
||||
|
||||
static int linkchk(dev_t, ino_t);
|
||||
static void prstat(const char *, int64_t);
|
||||
__dead static void usage(void);
|
||||
|
||||
static int hflag, iflag;
|
||||
static long blocksize;
|
||||
|
||||
int
|
||||
main(int argc, char *argv[])
|
||||
{
|
||||
FTS *fts;
|
||||
FTSENT *p;
|
||||
int64_t totalblocks;
|
||||
int ftsoptions, listfiles;
|
||||
int depth;
|
||||
int Hflag, Lflag, aflag, ch, cflag, dflag, gkmflag, nflag, rval, sflag;
|
||||
const char *noargv[2];
|
||||
|
||||
Hflag = Lflag = aflag = cflag = dflag = gkmflag = nflag = sflag = 0;
|
||||
totalblocks = 0;
|
||||
ftsoptions = FTS_PHYSICAL;
|
||||
depth = INT_MAX;
|
||||
while ((ch = getopt(argc, argv, "HLPacd:ghikmnrsx")) != -1)
|
||||
switch (ch) {
|
||||
case 'H':
|
||||
Hflag = 1;
|
||||
Lflag = 0;
|
||||
break;
|
||||
case 'L':
|
||||
Lflag = 1;
|
||||
Hflag = 0;
|
||||
break;
|
||||
case 'P':
|
||||
Hflag = Lflag = 0;
|
||||
break;
|
||||
case 'a':
|
||||
aflag = 1;
|
||||
break;
|
||||
case 'c':
|
||||
cflag = 1;
|
||||
break;
|
||||
case 'd':
|
||||
dflag = 1;
|
||||
depth = atoi(optarg);
|
||||
if (depth < 0 || depth > SHRT_MAX) {
|
||||
warnx("invalid argument to option d: %s",
|
||||
optarg);
|
||||
usage();
|
||||
}
|
||||
break;
|
||||
case 'g':
|
||||
blocksize = 1024 * 1024 * 1024;
|
||||
gkmflag = 1;
|
||||
break;
|
||||
case 'h':
|
||||
hflag = 1;
|
||||
break;
|
||||
case 'i':
|
||||
iflag = 1;
|
||||
break;
|
||||
case 'k':
|
||||
blocksize = 1024;
|
||||
gkmflag = 1;
|
||||
break;
|
||||
case 'm':
|
||||
blocksize = 1024 * 1024;
|
||||
gkmflag = 1;
|
||||
break;
|
||||
case 'n':
|
||||
nflag = 1;
|
||||
break;
|
||||
case 'r':
|
||||
break;
|
||||
case 's':
|
||||
sflag = 1;
|
||||
break;
|
||||
case 'x':
|
||||
ftsoptions |= FTS_XDEV;
|
||||
break;
|
||||
case '?':
|
||||
default:
|
||||
usage();
|
||||
}
|
||||
argc -= optind;
|
||||
argv += optind;
|
||||
|
||||
/*
|
||||
* XXX
|
||||
* Because of the way that fts(3) works, logical walks will not count
|
||||
* the blocks actually used by symbolic links. We rationalize this by
|
||||
* noting that users computing logical sizes are likely to do logical
|
||||
* copies, so not counting the links is correct. The real reason is
|
||||
* that we'd have to re-implement the kernel's symbolic link traversing
|
||||
* algorithm to get this right. If, for example, you have relative
|
||||
* symbolic links referencing other relative symbolic links, it gets
|
||||
* very nasty, very fast. The bottom line is that it's documented in
|
||||
* the man page, so it's a feature.
|
||||
*/
|
||||
if (Hflag)
|
||||
ftsoptions |= FTS_COMFOLLOW;
|
||||
if (Lflag) {
|
||||
ftsoptions &= ~FTS_PHYSICAL;
|
||||
ftsoptions |= FTS_LOGICAL;
|
||||
}
|
||||
|
||||
listfiles = 0;
|
||||
if (aflag) {
|
||||
if (sflag || dflag)
|
||||
usage();
|
||||
listfiles = 1;
|
||||
} else if (sflag) {
|
||||
if (dflag)
|
||||
usage();
|
||||
depth = 0;
|
||||
}
|
||||
|
||||
if (!*argv) {
|
||||
noargv[0] = ".";
|
||||
noargv[1] = NULL;
|
||||
argv = __UNCONST(noargv);
|
||||
}
|
||||
|
||||
if (!gkmflag)
|
||||
(void)getbsize(NULL, &blocksize);
|
||||
blocksize /= 512;
|
||||
|
||||
if ((fts = fts_open(argv, ftsoptions, NULL)) == NULL)
|
||||
err(1, "fts_open `%s'", *argv);
|
||||
|
||||
for (rval = 0; (p = fts_read(fts)) != NULL;) {
|
||||
#ifndef __ANDROID__
|
||||
if (nflag) {
|
||||
switch (p->fts_info) {
|
||||
case FTS_NS:
|
||||
case FTS_SLNONE:
|
||||
/* nothing */
|
||||
break;
|
||||
default:
|
||||
if (p->fts_statp->st_flags & UF_NODUMP) {
|
||||
fts_set(fts, p, FTS_SKIP);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
switch (p->fts_info) {
|
||||
case FTS_D: /* Ignore. */
|
||||
break;
|
||||
case FTS_DP:
|
||||
p->fts_parent->fts_number +=
|
||||
p->fts_number += COUNT;
|
||||
if (cflag)
|
||||
totalblocks += COUNT;
|
||||
/*
|
||||
* If listing each directory, or not listing files
|
||||
* or directories and this is post-order of the
|
||||
* root of a traversal, display the total.
|
||||
*/
|
||||
if (p->fts_level <= depth
|
||||
|| (!listfiles && !p->fts_level))
|
||||
prstat(p->fts_path, p->fts_number);
|
||||
break;
|
||||
case FTS_DC: /* Ignore. */
|
||||
break;
|
||||
case FTS_DNR: /* Warn, continue. */
|
||||
case FTS_ERR:
|
||||
case FTS_NS:
|
||||
warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
|
||||
rval = 1;
|
||||
break;
|
||||
default:
|
||||
if (p->fts_statp->st_nlink > 1 &&
|
||||
linkchk(p->fts_statp->st_dev, p->fts_statp->st_ino))
|
||||
break;
|
||||
/*
|
||||
* If listing each file, or a non-directory file was
|
||||
* the root of a traversal, display the total.
|
||||
*/
|
||||
if (listfiles || !p->fts_level)
|
||||
prstat(p->fts_path, COUNT);
|
||||
p->fts_parent->fts_number += COUNT;
|
||||
if (cflag)
|
||||
totalblocks += COUNT;
|
||||
}
|
||||
}
|
||||
if (errno)
|
||||
err(1, "fts_read");
|
||||
if (cflag)
|
||||
prstat("total", totalblocks);
|
||||
exit(rval);
|
||||
}
|
||||
|
||||
static void
|
||||
prstat(const char *fname, int64_t blocks)
|
||||
{
|
||||
if (iflag) {
|
||||
(void)printf("%" PRId64 "\t%s\n", blocks, fname);
|
||||
return;
|
||||
}
|
||||
|
||||
if (hflag) {
|
||||
char buf[5];
|
||||
int64_t sz = blocks * 512;
|
||||
|
||||
humanize_number(buf, sizeof(buf), sz, "", HN_AUTOSCALE,
|
||||
HN_B | HN_NOSPACE | HN_DECIMAL);
|
||||
|
||||
(void)printf("%s\t%s\n", buf, fname);
|
||||
} else
|
||||
(void)printf("%" PRId64 "\t%s\n",
|
||||
howmany(blocks, (int64_t)blocksize),
|
||||
fname);
|
||||
}
|
||||
|
||||
static int
|
||||
linkchk(dev_t dev, ino_t ino)
|
||||
{
|
||||
static struct entry {
|
||||
dev_t dev;
|
||||
ino_t ino;
|
||||
} *htable;
|
||||
static int htshift; /* log(allocated size) */
|
||||
static int htmask; /* allocated size - 1 */
|
||||
static int htused; /* 2*number of insertions */
|
||||
static int sawzero; /* Whether zero is in table or not */
|
||||
int h, h2;
|
||||
uint64_t tmp;
|
||||
/* this constant is (1<<64)/((1+sqrt(5))/2)
|
||||
* aka (word size)/(golden ratio)
|
||||
*/
|
||||
const uint64_t HTCONST = 11400714819323198485ULL;
|
||||
const int HTBITS = CHAR_BIT * sizeof(tmp);
|
||||
|
||||
/* Never store zero in hashtable */
|
||||
if (dev == 0 && ino == 0) {
|
||||
h = sawzero;
|
||||
sawzero = 1;
|
||||
return h;
|
||||
}
|
||||
|
||||
/* Extend hash table if necessary, keep load under 0.5 */
|
||||
if (htused<<1 >= htmask) {
|
||||
struct entry *ohtable;
|
||||
|
||||
if (!htable)
|
||||
htshift = 10; /* starting hashtable size */
|
||||
else
|
||||
htshift++; /* exponential hashtable growth */
|
||||
|
||||
htmask = (1 << htshift) - 1;
|
||||
htused = 0;
|
||||
|
||||
ohtable = htable;
|
||||
htable = calloc(htmask+1, sizeof(*htable));
|
||||
if (!htable)
|
||||
err(1, "calloc");
|
||||
|
||||
/* populate newly allocated hashtable */
|
||||
if (ohtable) {
|
||||
int i;
|
||||
for (i = 0; i <= htmask>>1; i++)
|
||||
if (ohtable[i].ino || ohtable[i].dev)
|
||||
linkchk(ohtable[i].dev, ohtable[i].ino);
|
||||
free(ohtable);
|
||||
}
|
||||
}
|
||||
|
||||
/* multiplicative hashing */
|
||||
tmp = dev;
|
||||
tmp <<= HTBITS>>1;
|
||||
tmp |= ino;
|
||||
tmp *= HTCONST;
|
||||
h = tmp >> (HTBITS - htshift);
|
||||
h2 = 1 | ( tmp >> (HTBITS - (htshift<<1) - 1)); /* must be odd */
|
||||
|
||||
/* open address hashtable search with double hash probing */
|
||||
while (htable[h].ino || htable[h].dev) {
|
||||
if ((htable[h].ino == ino) && (htable[h].dev == dev))
|
||||
return 1;
|
||||
h = (h + h2) & htmask;
|
||||
}
|
||||
|
||||
/* Insert the current entry into hashtable */
|
||||
htable[h].dev = dev;
|
||||
htable[h].ino = ino;
|
||||
htused++;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void
|
||||
usage(void)
|
||||
{
|
||||
|
||||
(void)fprintf(stderr,
|
||||
"usage: du [-H | -L | -P] [-a | -d depth | -s] [-cghikmnrx] [file ...]\n");
|
||||
exit(1);
|
||||
}
|
||||
Loading…
Reference in a new issue