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archive_read_filter(3)   BSD Library Functions Manual   archive_read_filter(3)


NAME

     archive_read_support_filter_all, archive_read_support_filter_bzip2,
     archive_read_support_filter_compress, archive_read_support_filter_gzip,
     archive_read_support_filter_lz4, archive_read_support_filter_lzma,
     archive_read_support_filter_none, archive_read_support_filter_rpm,
     archive_read_support_filter_uu, archive_read_support_filter_xz,
     archive_read_support_filter_program,
     archive_read_support_filter_program_signature -- functions for reading
     streaming archives


LIBRARY

     Streaming Archive Library (libarchive, -larchive)


SYNOPSIS

     #include <archive.h>

     int
     archive_read_support_filter_all(struct archive *);

     int
     archive_read_support_filter_bzip2(struct archive *);

     int
     archive_read_support_filter_compress(struct archive *);

     int
     archive_read_support_filter_grzip(struct archive *);

     int
     archive_read_support_filter_gzip(struct archive *);

     int
     archive_read_support_filter_lrzip(struct archive *);

     int
     archive_read_support_filter_lz4(struct archive *);

     int
     archive_read_support_filter_lzma(struct archive *);

     int
     archive_read_support_filter_lzop(struct archive *);

     int
     archive_read_support_filter_none(struct archive *);

     int
     archive_read_support_filter_rpm(struct archive *);

     int
     archive_read_support_filter_uu(struct archive *);

     int
     archive_read_support_filter_xz(struct archive *);

     int
     archive_read_support_filter_program(struct archive *, const char *cmd);

     int
     archive_read_support_filter_program_signature(struct archive *,
         const char *cmd, const void *signature, size_t signature_length);


DESCRIPTION

     archive_read_support_filter_bzip2(),
             archive_read_support_filter_compress(),
             archive_read_support_filter_grzip(),
             archive_read_support_filter_gzip(),
             archive_read_support_filter_lrzip(),
             archive_read_support_filter_lz4(),
             archive_read_support_filter_lzma(),
             archive_read_support_filter_lzop(),
             archive_read_support_filter_none(),
             archive_read_support_filter_rpm(),
             archive_read_support_filter_uu(),
             archive_read_support_filter_xz()
             Enables auto-detection code and decompression support for the
             specified compression.  These functions may fall back on external
             programs if an appropriate library was not available at build
             time.  Decompression using an external program is usually slower
             than decompression through built-in libraries.  Note that
             ``none'' is always enabled by default.
     archive_read_support_filter_all()
             Enables all available decompression filters.
     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, so it makes no sense to specify this in con-
             junction with any other decompression option.
     archive_read_support_filter_program_signature()
             This feeds data through the specified external program but only
             if the initial bytes of the data match the specified signature
             value.


RETURN VALUES

     These functions return ARCHIVE_OK if the compression is fully supported,
     ARCHIVE_WARN if the compression is supported only through an external
     program.

     archive_read_support_filter_none() always succeeds.


ERRORS

     Detailed error codes and textual descriptions are available from the
     archive_errno() and archive_error_string() functions.


SEE ALSO

     libarchive(3), archive_read(3), archive_read_data(3),
     archive_read_format(3), archive_read_format(3)

BSD                             August 14, 2014                            BSD

libarchive 3.2.1 - Generated Sat Jun 25 09:22:08 CDT 2016
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