diff options
| -rw-r--r-- | Makefile.am | 1 | ||||
| -rw-r--r-- | libarchive/archive.h | 1 | ||||
| -rw-r--r-- | libarchive/archive_read_filter.3 | 12 | ||||
| -rw-r--r-- | libarchive/archive_read_support_filter_by_code.c | 83 |
4 files changed, 96 insertions, 1 deletions
diff --git a/Makefile.am b/Makefile.am index d526daa7..a1a77dfe 100644 --- a/Makefile.am +++ b/Makefile.am @@ -158,6 +158,7 @@ libarchive_la_SOURCES= \ libarchive/archive_read_set_options.c \ libarchive/archive_read_support_filter_all.c \ libarchive/archive_read_support_filter_bzip2.c \ + libarchive/archive_read_support_filter_by_code.c \ libarchive/archive_read_support_filter_compress.c \ libarchive/archive_read_support_filter_grzip.c \ libarchive/archive_read_support_filter_gzip.c \ diff --git a/libarchive/archive.h b/libarchive/archive.h index 98d3afd5..a3f3bfd7 100644 --- a/libarchive/archive.h +++ b/libarchive/archive.h @@ -418,6 +418,7 @@ __LA_DECL int archive_read_support_compression_xz(struct archive *) #endif __LA_DECL int archive_read_support_filter_all(struct archive *); +__LA_DECL int archive_read_support_filter_by_code(struct archive *, int); __LA_DECL int archive_read_support_filter_bzip2(struct archive *); __LA_DECL int archive_read_support_filter_compress(struct archive *); __LA_DECL int archive_read_support_filter_gzip(struct archive *); diff --git a/libarchive/archive_read_filter.3 b/libarchive/archive_read_filter.3 index 1ba5fcbd..4f5c3518 100644 --- a/libarchive/archive_read_filter.3 +++ b/libarchive/archive_read_filter.3 @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd August 14, 2014 +.Dd June 9, 2020 .Dt ARCHIVE_READ_FILTER 3 .Os .Sh NAME @@ -50,6 +50,8 @@ Streaming Archive Library (libarchive, -larchive) .Ft int .Fn archive_read_support_filter_all "struct archive *" .Ft int +.Fn archive_read_support_filter_by_code "struct archive *" "int" +.Ft int .Fn archive_read_support_filter_bzip2 "struct archive *" .Ft int .Fn archive_read_support_filter_compress "struct archive *" @@ -116,6 +118,14 @@ Note that is always enabled by default. .It Fn archive_read_support_filter_all Enables all available decompression filters. +.It Fn archive_read_support_filter_by_code +Enables a single filter specified by the filter code. +This function does not work with +.Cm ARCHIVE_FILTER_PROGRAM . +Note: In statically-linked executables, this will cause +your program to include support for every filter. +If executable size is a concern, you may wish to avoid +using this function. .It Fn archive_read_support_filter_program Data is fed through the specified external program before being dearchived. Note that this disables automatic detection of the compression format, diff --git a/libarchive/archive_read_support_filter_by_code.c b/libarchive/archive_read_support_filter_by_code.c new file mode 100644 index 00000000..94c4af69 --- /dev/null +++ b/libarchive/archive_read_support_filter_by_code.c @@ -0,0 +1,83 @@ +/*- + * Copyright (c) 2020 Martin Matuska + * All rights reserved. + * + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``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 AUTHOR(S) 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. + */ + +#include "archive_platform.h" +__FBSDID("$FreeBSD$"); + +#include "archive.h" +#include "archive_private.h" + +int +archive_read_support_filter_by_code(struct archive *a, int filter_code) +{ + archive_check_magic(a, ARCHIVE_READ_MAGIC, + ARCHIVE_STATE_NEW, "archive_read_support_filter_by_code"); + + switch (filter_code) { + case ARCHIVE_FILTER_NONE: + return archive_read_support_filter_none(a); + break; + case ARCHIVE_FILTER_GZIP: + return archive_read_support_filter_gzip(a); + break; + case ARCHIVE_FILTER_BZIP2: + return archive_read_support_filter_bzip2(a); + break; + case ARCHIVE_FILTER_COMPRESS: + return archive_read_support_filter_compress(a); + break; + case ARCHIVE_FILTER_LZMA: + return archive_read_support_filter_lzma(a); + break; + case ARCHIVE_FILTER_XZ: + return archive_read_support_filter_xz(a); + break; + case ARCHIVE_FILTER_UU: + return archive_read_support_filter_uu(a); + break; + case ARCHIVE_FILTER_RPM: + return archive_read_support_filter_rpm(a); + break; + case ARCHIVE_FILTER_LZIP: + return archive_read_support_filter_lzip(a); + break; + case ARCHIVE_FILTER_LRZIP: + return archive_read_support_filter_lrzip(a); + break; + case ARCHIVE_FILTER_LZOP: + return archive_read_support_filter_lzop(a); + break; + case ARCHIVE_FILTER_GRZIP: + return archive_read_support_filter_grzip(a); + break; + case ARCHIVE_FILTER_LZ4: + return archive_read_support_filter_lz4(a); + break; + case ARCHIVE_FILTER_ZSTD: + return archive_read_support_filter_zstd(a); + break; + } + return (ARCHIVE_FATAL); +} |