147 lines
4.5 KiB
C
147 lines
4.5 KiB
C
/* $NetBSD: move.c,v 1.5 1995/03/26 03:27:57 glass Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1990, 1993, 1994
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Hugh Smith at The University of Guelph.
|
|
*
|
|
* 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
|
|
#if 0
|
|
static char sccsid[] = "@(#)move.c 8.3 (Berkeley) 4/2/94";
|
|
#else
|
|
static char rcsid[] = "$NetBSD: move.c,v 1.5 1995/03/26 03:27:57 glass Exp $";
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include <ar.h>
|
|
#include <dirent.h>
|
|
#include <err.h>
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
|
|
#include "archive.h"
|
|
#include "extern.h"
|
|
#include "pathnames.h"
|
|
|
|
/*
|
|
* move --
|
|
* Change location of named members in archive - if 'b' or 'i' option
|
|
* selected then named members are placed before 'posname'. If 'a'
|
|
* option selected members go after 'posname'. If no options, members
|
|
* are moved to end of archive.
|
|
*/
|
|
int
|
|
move(argv)
|
|
char **argv;
|
|
{
|
|
CF cf;
|
|
off_t size, tsize;
|
|
int afd, curfd, mods, tfd1, tfd2, tfd3;
|
|
char *file;
|
|
|
|
afd = open_archive(O_RDWR);
|
|
mods = options & (AR_A|AR_B);
|
|
|
|
tfd1 = tmp(); /* Files before key file. */
|
|
tfd2 = tmp(); /* Files selected by user. */
|
|
tfd3 = tmp(); /* Files after key file. */
|
|
|
|
/*
|
|
* Break archive into three parts -- selected entries and entries
|
|
* before and after the key entry. If positioning before the key,
|
|
* place the key at the beginning of the after key entries and if
|
|
* positioning after the key, place the key at the end of the before
|
|
* key entries. Put it all back together at the end.
|
|
*/
|
|
|
|
/* Read and write to an archive; pad on both. */
|
|
SETCF(afd, archive, 0, tname, RPAD|WPAD);
|
|
for (curfd = tfd1; get_arobj(afd);) {
|
|
if (*argv && (file = files(argv))) {
|
|
if (options & AR_V)
|
|
(void)printf("m - %s\n", file);
|
|
cf.wfd = tfd2;
|
|
put_arobj(&cf, (struct stat *)NULL);
|
|
continue;
|
|
}
|
|
if (mods && compare(posname)) {
|
|
mods = 0;
|
|
if (options & AR_B)
|
|
curfd = tfd3;
|
|
cf.wfd = curfd;
|
|
put_arobj(&cf, (struct stat *)NULL);
|
|
if (options & AR_A)
|
|
curfd = tfd3;
|
|
} else {
|
|
cf.wfd = curfd;
|
|
put_arobj(&cf, (struct stat *)NULL);
|
|
}
|
|
}
|
|
|
|
if (mods) {
|
|
warnx("%s: archive member not found", posarg);
|
|
close_archive(afd);
|
|
return (1);
|
|
}
|
|
(void)lseek(afd, (off_t)SARMAG, SEEK_SET);
|
|
|
|
SETCF(tfd1, tname, afd, archive, NOPAD);
|
|
tsize = size = lseek(tfd1, (off_t)0, SEEK_CUR);
|
|
(void)lseek(tfd1, (off_t)0, SEEK_SET);
|
|
copy_ar(&cf, size);
|
|
|
|
tsize += size = lseek(tfd2, (off_t)0, SEEK_CUR);
|
|
(void)lseek(tfd2, (off_t)0, SEEK_SET);
|
|
cf.rfd = tfd2;
|
|
copy_ar(&cf, size);
|
|
|
|
tsize += size = lseek(tfd3, (off_t)0, SEEK_CUR);
|
|
(void)lseek(tfd3, (off_t)0, SEEK_SET);
|
|
cf.rfd = tfd3;
|
|
copy_ar(&cf, size);
|
|
|
|
(void)ftruncate(afd, tsize + SARMAG);
|
|
close_archive(afd);
|
|
|
|
if (*argv) {
|
|
orphans(argv);
|
|
return (1);
|
|
}
|
|
return (0);
|
|
}
|