contrib/libarchive/libarchive/archive_read_extract.c

   1 /*-
   2  * Copyright (c) 2003-2007 Tim Kientzle
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
  15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  17  * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
  18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "archive_platform.h"
  27 __FBSDID("$FreeBSD: src/lib/libarchive/archive_read_extract.c,v 1.61 2008/05/26 17:00:22 kientzle Exp $");
  28
  29 #ifdef HAVE_ERRNO_H
  30 #include <errno.h>
  31 #endif
  32
  33 #include "archive.h"
  34 #include "archive_entry.h"
  35 #include "archive_private.h"
  36 #include "archive_read_private.h"
  37
  38 int
  39 archive_read_extract(struct archive *_a, struct archive_entry *entry, int flags)
  40 {
  41         struct archive_read_extract *extract;
  42         struct archive_read * a = (struct archive_read *)_a;
  43
  44         extract = __archive_read_get_extract(a);
  45         if (extract == NULL)
  46                 return (ARCHIVE_FATAL);
  47
  48         /* If we haven't initialized the archive_write_disk object, do it now. */
  49         if (extract->ad == NULL) {
  50                 extract->ad = archive_write_disk_new();
  51                 if (extract->ad == NULL) {
  52                         archive_set_error(&a->archive, ENOMEM, "Can't extract");
  53                         return (ARCHIVE_FATAL);
  54                 }
  55                 archive_write_disk_set_standard_lookup(extract->ad);
  56         }
  57
  58         archive_write_disk_set_options(extract->ad, flags);
  59         return (archive_read_extract2(&a->archive, entry, extract->ad));
  60 }