contrib/libarchive/libarchive/archive_write_add_filter.c

   1 /*-
   2  * Copyright (c) 2012 Ondrej Holy
   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("$FreeBSD$");
  28
  29 #ifdef HAVE_SYS_TYPES_H
  30 #include <sys/types.h>
  31 #endif
  32
  33 #ifdef HAVE_ERRNO_H
  34 #include <errno.h>
  35 #endif
  36
  37 #include "archive.h"
  38 #include "archive_private.h"
  39
  40 /* A table that maps filter codes to functions. */
  41 static
  42 struct { int code; int (*setter)(struct archive *); } codes[] =
  43 {
  44         { ARCHIVE_FILTER_NONE,          archive_write_add_filter_none },
  45         { ARCHIVE_FILTER_GZIP,          archive_write_add_filter_gzip },
  46         { ARCHIVE_FILTER_BZIP2,         archive_write_add_filter_bzip2 },
  47         { ARCHIVE_FILTER_COMPRESS,      archive_write_add_filter_compress },
  48         { ARCHIVE_FILTER_GRZIP,         archive_write_add_filter_grzip },
  49         { ARCHIVE_FILTER_LRZIP,         archive_write_add_filter_lrzip },
  50         { ARCHIVE_FILTER_LZ4,           archive_write_add_filter_lz4 },
  51         { ARCHIVE_FILTER_LZIP,          archive_write_add_filter_lzip },
  52         { ARCHIVE_FILTER_LZMA,          archive_write_add_filter_lzma },
  53         { ARCHIVE_FILTER_LZOP,          archive_write_add_filter_lzip },
  54         { ARCHIVE_FILTER_UU,            archive_write_add_filter_uuencode },
  55         { ARCHIVE_FILTER_XZ,            archive_write_add_filter_xz },
  56         { -1,                   NULL }
  57 };
  58
  59 int
  60 archive_write_add_filter(struct archive *a, int code)
  61 {
  62         int i;
  63
  64         for (i = 0; codes[i].code != -1; i++) {
  65                 if (code == codes[i].code)
  66                         return ((codes[i].setter)(a));
  67         }
  68
  69         archive_set_error(a, EINVAL, "No such filter");
  70         return (ARCHIVE_FATAL);
  71 }