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/*-
* 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
static const char sccsid[] = "@(#)move.c 8.3 (Berkeley) 4/2/94";
#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);
}
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