415 lines
12 KiB
C
415 lines
12 KiB
C
/* $NetBSD: compare.c,v 1.22 1999/07/10 19:59:28 christos Exp $ */
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/*-
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)compare.c 8.1 (Berkeley) 6/6/93";
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#else
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__RCSID("$NetBSD: compare.c,v 1.22 1999/07/10 19:59:28 christos Exp $");
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#endif
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <fts.h>
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#include <errno.h>
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#include <md5.h>
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#include <stdio.h>
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#include <time.h>
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#include <unistd.h>
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#include "mtree.h"
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#include "extern.h"
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extern int iflag, mflag, tflag, uflag;
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static char *ftype __P((u_int));
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#define INDENTNAMELEN 8
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#define MARK \
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do { \
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len = printf("%s: ", RP(p)); \
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if (len > INDENTNAMELEN) { \
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tab = "\t"; \
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(void)printf("\n"); \
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} else { \
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tab = ""; \
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(void)printf("%*s", INDENTNAMELEN - (int)len, ""); \
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} \
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} while (0)
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#define LABEL if (!label++) MARK
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#define CHANGEFLAGS(path, oflags) \
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if (flags != (oflags)) { \
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if (!label) { \
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MARK; \
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(void)printf("%sflags (\"%s\"", tab, \
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flags_to_string(p->fts_statp->st_flags, "none")); \
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} \
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if (chflags(path, flags)) { \
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label++; \
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(void)printf(", not modified: %s)\n", \
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strerror(errno)); \
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} else \
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(void)printf(", modified to \"%s\")\n", \
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flags_to_string(flags, "none")); \
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}
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/* SETFLAGS:
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* given pflags, additionally set those flags specified in sflags and
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* selected by mask (the other flags are left unchanged). oflags is
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* passed as reference to check if chflags is necessary.
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*/
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#define SETFLAGS(path, sflags, pflags, oflags, mask) \
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do { \
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flags = ((sflags) & (mask)) | (pflags); \
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CHANGEFLAGS(path, oflags); \
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} while (0)
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/* CLEARFLAGS:
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* given pflags, reset the flags specified in sflags and selected by mask
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* (the other flags are left unchanged). oflags is
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* passed as reference to check if chflags is necessary.
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*/
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#define CLEARFLAGS(path, sflags, pflags, oflags, mask) \
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do { \
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flags = (~((sflags) & (mask)) & CH_MASK) & (pflags); \
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CHANGEFLAGS(path, oflags); \
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} while (0)
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int
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compare(name, s, p)
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char *name;
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NODE *s;
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FTSENT *p;
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{
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u_int32_t len, val, flags;
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int fd, label;
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char *cp, *tab;
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char md5buf[35];
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tab = NULL;
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label = 0;
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switch(s->type) {
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case F_BLOCK:
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if (!S_ISBLK(p->fts_statp->st_mode))
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goto typeerr;
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break;
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case F_CHAR:
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if (!S_ISCHR(p->fts_statp->st_mode))
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goto typeerr;
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break;
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case F_DIR:
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if (!S_ISDIR(p->fts_statp->st_mode))
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goto typeerr;
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break;
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case F_FIFO:
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if (!S_ISFIFO(p->fts_statp->st_mode))
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goto typeerr;
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break;
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case F_FILE:
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if (!S_ISREG(p->fts_statp->st_mode))
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goto typeerr;
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break;
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case F_LINK:
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if (!S_ISLNK(p->fts_statp->st_mode))
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goto typeerr;
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break;
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case F_SOCK:
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if (!S_ISSOCK(p->fts_statp->st_mode)) {
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typeerr: LABEL;
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(void)printf("\ttype (%s, %s)\n",
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ftype(s->type), inotype(p->fts_statp->st_mode));
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}
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break;
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}
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if (iflag && !uflag) {
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if (s->flags & F_FLAGS)
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SETFLAGS(p->fts_accpath, s->st_flags,
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p->fts_statp->st_flags, p->fts_statp->st_flags,
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SP_FLGS);
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return (label);
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}
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if (mflag && !uflag) {
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if (s->flags & F_FLAGS)
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CLEARFLAGS(p->fts_accpath, s->st_flags,
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p->fts_statp->st_flags, p->fts_statp->st_flags,
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SP_FLGS);
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return (label);
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}
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/* Set the uid/gid first, then set the mode. */
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if (s->flags & (F_UID | F_UNAME) && s->st_uid != p->fts_statp->st_uid) {
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LABEL;
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(void)printf("%suser (%lu, %lu",
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tab, (u_long)s->st_uid, (u_long)p->fts_statp->st_uid);
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if (uflag) {
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if (chown(p->fts_accpath, s->st_uid, -1))
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(void)printf(", not modified: %s)\n",
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strerror(errno));
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else
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(void)printf(", modified)\n");
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} else
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(void)printf(")\n");
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tab = "\t";
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}
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if (s->flags & (F_GID | F_GNAME) && s->st_gid != p->fts_statp->st_gid) {
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LABEL;
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(void)printf("%sgid (%lu, %lu",
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tab, (u_long)s->st_gid, (u_long)p->fts_statp->st_gid);
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if (uflag) {
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if (chown(p->fts_accpath, -1, s->st_gid))
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(void)printf(", not modified: %s)\n",
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strerror(errno));
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else
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(void)printf(", modified)\n");
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}
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else
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(void)printf(")\n");
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tab = "\t";
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}
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if (s->flags & F_MODE &&
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s->st_mode != (p->fts_statp->st_mode & MBITS)) {
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LABEL;
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(void)printf("%spermissions (%#lo, %#lo",
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tab, (u_long)s->st_mode,
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(u_long)p->fts_statp->st_mode & MBITS);
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if (uflag) {
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if (chmod(p->fts_accpath, s->st_mode))
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(void)printf(", not modified: %s)\n",
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strerror(errno));
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else
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(void)printf(", modified)\n");
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}
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else
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(void)printf(")\n");
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tab = "\t";
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}
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if (s->flags & F_NLINK && s->type != F_DIR &&
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s->st_nlink != p->fts_statp->st_nlink) {
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LABEL;
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(void)printf("%slink count (%lu, %lu)\n",
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tab, (u_long)s->st_nlink, (u_long)p->fts_statp->st_nlink);
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tab = "\t";
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}
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if (s->flags & F_SIZE && s->st_size != p->fts_statp->st_size) {
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LABEL;
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(void)printf("%ssize (%qd, %qd)\n",
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tab, (long long)s->st_size,
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(long long)p->fts_statp->st_size);
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tab = "\t";
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}
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/*
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* XXX
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* Since utimes(2) only takes a timeval, there's no point in
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* comparing the low bits of the timespec nanosecond field. This
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* will only result in mismatches that we can never fix.
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*
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* Doesn't display microsecond differences.
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*/
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if (s->flags & F_TIME) {
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struct timeval tv[2];
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struct stat *ps = p->fts_statp;
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time_t smtime = s->st_mtimespec.tv_sec;
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#ifdef BSD4_4
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time_t pmtime = ps->st_mtimespec.tv_sec;
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TIMESPEC_TO_TIMEVAL(&tv[1], &ps->st_mtimespec);
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#else
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time_t pmtime = (time_t)ps->st_mtime;
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tv[1].tv_sec = ps->st_mtime;
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tv[1].tv_usec = 0;
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#endif
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TIMESPEC_TO_TIMEVAL(&tv[0], &s->st_mtimespec);
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if (tv[0].tv_sec != tv[1].tv_sec ||
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tv[0].tv_usec != tv[1].tv_usec) {
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LABEL;
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(void)printf("%smodification time (%.24s, ",
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tab, ctime(&smtime));
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(void)printf("%.24s", ctime(&pmtime));
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if (tflag) {
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tv[1] = tv[0];
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if (utimes(p->fts_accpath, tv))
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(void)printf(", not modified: %s)\n",
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strerror(errno));
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else
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(void)printf(", modified)\n");
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} else
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(void)printf(")\n");
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tab = "\t";
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}
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}
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/*
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* XXX
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* since chflags(2) will reset file times, the utimes() above
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* may have been useless! oh well, we'd rather have correct
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* flags, rather than times?
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*/
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if ((s->flags & F_FLAGS) && ((s->st_flags != p->fts_statp->st_flags)
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|| mflag || iflag)) {
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if (s->st_flags != p->fts_statp->st_flags) {
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LABEL;
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(void)printf("%sflags (\"%s\" is not ", tab,
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flags_to_string(s->st_flags, "none"));
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(void)printf("\"%s\"",
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flags_to_string(p->fts_statp->st_flags, "none"));
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}
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if (uflag) {
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if (iflag)
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SETFLAGS(p->fts_accpath, s->st_flags,
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0, p->fts_statp->st_flags, CH_MASK);
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else if (mflag)
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CLEARFLAGS(p->fts_accpath, s->st_flags,
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0, p->fts_statp->st_flags, SP_FLGS);
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else
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SETFLAGS(p->fts_accpath, s->st_flags,
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0, p->fts_statp->st_flags,
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(~SP_FLGS & CH_MASK));
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} else
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(void)printf(")\n");
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tab = "\t";
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}
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if (s->flags & F_CKSUM) {
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if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0) {
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LABEL;
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(void)printf("%scksum: %s: %s\n",
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tab, p->fts_accpath, strerror(errno));
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tab = "\t";
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} else if (crc(fd, &val, &len)) {
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(void)close(fd);
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LABEL;
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(void)printf("%scksum: %s: %s\n",
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tab, p->fts_accpath, strerror(errno));
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tab = "\t";
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} else {
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(void)close(fd);
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if (s->cksum != val) {
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LABEL;
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(void)printf("%scksum (%lu, %lu)\n",
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tab, s->cksum, (unsigned long)val);
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}
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tab = "\t";
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}
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}
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if (s->flags & F_MD5) {
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if (MD5File(p->fts_accpath, md5buf) == NULL) {
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LABEL;
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(void)printf("%smd5: %s: %s\n",
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tab, p->fts_accpath, strerror(errno));
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tab = "\t";
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} else {
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if (strcmp(s->md5sum, md5buf)) {
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LABEL;
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(void)printf("%smd5 (0x%s, 0x%s)\n",
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tab, s->md5sum, md5buf);
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}
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tab = "\t";
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}
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}
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if (s->flags & F_SLINK && strcmp(cp = rlink(name), s->slink)) {
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LABEL;
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(void)printf("%slink ref (%s, %s)\n", tab, cp, s->slink);
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}
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return (label);
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}
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char *
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inotype(type)
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u_int type;
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{
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switch(type & S_IFMT) {
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case S_IFBLK:
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return ("block");
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case S_IFCHR:
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return ("char");
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case S_IFDIR:
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return ("dir");
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case S_IFIFO:
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return ("fifo");
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case S_IFREG:
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return ("file");
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case S_IFLNK:
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return ("link");
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case S_IFSOCK:
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return ("socket");
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default:
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return ("unknown");
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}
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/* NOTREACHED */
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}
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static char *
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ftype(type)
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u_int type;
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{
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switch(type) {
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case F_BLOCK:
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return ("block");
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case F_CHAR:
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return ("char");
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case F_DIR:
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return ("dir");
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case F_FIFO:
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return ("fifo");
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case F_FILE:
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return ("file");
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case F_LINK:
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return ("link");
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case F_SOCK:
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return ("socket");
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default:
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return ("unknown");
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}
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/* NOTREACHED */
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}
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char *
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rlink(name)
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char *name;
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{
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static char lbuf[MAXPATHLEN];
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int len;
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if ((len = readlink(name, lbuf, sizeof(lbuf))) == -1)
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mtree_err("%s: %s", name, strerror(errno));
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lbuf[len] = '\0';
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return (lbuf);
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}
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