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Annotation of src/usr.bin/ar/delete.c, Revision 1.1

1.1     ! deraadt     1: /*     $NetBSD: delete.c,v 1.5 1995/03/26 03:27:52 glass Exp $ */
        !             2:
        !             3: /*-
        !             4:  * Copyright (c) 1990, 1993, 1994
        !             5:  *     The Regents of the University of California.  All rights reserved.
        !             6:  *
        !             7:  * This code is derived from software contributed to Berkeley by
        !             8:  * Hugh Smith at The University of Guelph.
        !             9:  *
        !            10:  * Redistribution and use in source and binary forms, with or without
        !            11:  * modification, are permitted provided that the following conditions
        !            12:  * are met:
        !            13:  * 1. Redistributions of source code must retain the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer.
        !            15:  * 2. Redistributions in binary form must reproduce the above copyright
        !            16:  *    notice, this list of conditions and the following disclaimer in the
        !            17:  *    documentation and/or other materials provided with the distribution.
        !            18:  * 3. All advertising materials mentioning features or use of this software
        !            19:  *    must display the following acknowledgement:
        !            20:  *     This product includes software developed by the University of
        !            21:  *     California, Berkeley and its contributors.
        !            22:  * 4. Neither the name of the University nor the names of its contributors
        !            23:  *    may be used to endorse or promote products derived from this software
        !            24:  *    without specific prior written permission.
        !            25:  *
        !            26:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            27:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            28:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            29:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            30:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            31:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            32:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            33:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            34:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            35:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            36:  * SUCH DAMAGE.
        !            37:  */
        !            38:
        !            39: #ifndef lint
        !            40: #if 0
        !            41: static char sccsid[] = "@(#)delete.c   8.3 (Berkeley) 4/2/94";
        !            42: #else
        !            43: static char rcsid[] = "$NetBSD: delete.c,v 1.5 1995/03/26 03:27:52 glass Exp $";
        !            44: #endif
        !            45: #endif /* not lint */
        !            46:
        !            47: #include <sys/param.h>
        !            48: #include <sys/stat.h>
        !            49:
        !            50: #include <ar.h>
        !            51: #include <dirent.h>
        !            52: #include <fcntl.h>
        !            53: #include <stdio.h>
        !            54: #include <unistd.h>
        !            55:
        !            56: #include "archive.h"
        !            57: #include "extern.h"
        !            58: #include "pathnames.h"
        !            59:
        !            60: /*-
        !            61:  * delete --
        !            62:  *     Deletes named members from the archive.
        !            63:  */
        !            64: int
        !            65: delete(argv)
        !            66:        char **argv;
        !            67: {
        !            68:        CF cf;
        !            69:        off_t size;
        !            70:        int afd, tfd;
        !            71:        char *file;
        !            72:
        !            73:        afd = open_archive(O_RDWR);
        !            74:        tfd = tmp();
        !            75:
        !            76:        /* Read and write to an archive; pad on both. */
        !            77:        SETCF(afd, archive, tfd, tname, RPAD|WPAD);
        !            78:        while (get_arobj(afd)) {
        !            79:                if (*argv && (file = files(argv))) {
        !            80:                        if (options & AR_V)
        !            81:                                (void)printf("d - %s\n", file);
        !            82:                        skip_arobj(afd);
        !            83:                        continue;
        !            84:                }
        !            85:                put_arobj(&cf, (struct stat *)NULL);
        !            86:        }
        !            87:
        !            88:        size = lseek(tfd, (off_t)0, SEEK_CUR);
        !            89:        (void)lseek(tfd, (off_t)0, SEEK_SET);
        !            90:        (void)lseek(afd, (off_t)SARMAG, SEEK_SET);
        !            91:        SETCF(tfd, tname, afd, archive, NOPAD);
        !            92:        copy_ar(&cf, size);
        !            93:        (void)close(tfd);
        !            94:        (void)ftruncate(afd, size + SARMAG);
        !            95:        close_archive(afd);
        !            96:
        !            97:        if (*argv) {
        !            98:                orphans(argv);
        !            99:                return (1);
        !           100:        }
        !           101:        return (0);
        !           102: }