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.Dd February 14, 2013
.Dt ARCHIVE_WRITE_FORMAT 3
.Os
.Sh NAME
.Nm archive_write_set_format ,
.Nm archive_write_set_format_7zip ,
.Nm archive_write_set_format_ar ,
.Nm archive_write_set_format_ar_bsd ,
.Nm archive_write_set_format_ar_svr4 ,
.Nm archive_write_set_format_by_name ,
.Nm archive_write_set_format_cpio ,
.Nm archive_write_set_format_cpio_newc ,
.Nm archive_write_set_format_filter_by_ext ,
.Nm archive_write_set_format_filter_by_ext_def ,
.Nm archive_write_set_format_gnutar ,
.Nm archive_write_set_format_iso9660 ,
.Nm archive_write_set_format_mtree ,
.Nm archive_write_set_format_mtree_classic ,
.Nm archive_write_set_format_mtree_default ,
.Nm archive_write_set_format_pax ,
.Nm archive_write_set_format_pax_restricted ,
.Nm archive_write_set_format_raw ,
.Nm archive_write_set_format_shar ,
.Nm archive_write_set_format_shar_dump ,
.Nm archive_write_set_format_ustar ,
.Nm archive_write_set_format_v7tar ,
.Nm archive_write_set_format_warc ,
.Nm archive_write_set_format_xar ,
.Nm archive_write_set_format_zip ,
.Nd functions for creating archives
.Sh LIBRARY
Streaming Archive Library (libarchive, -larchive)
.Sh SYNOPSIS
.In archive.h
.Ft int
.Fn archive_write_set_format "struct archive *" "int code"
.Ft int
.Fn archive_write_set_format_7zip "struct archive *"
.Ft int
.Fn archive_write_set_format_ar "struct archive *"
.Ft int
.Fn archive_write_set_format_ar_bsd "struct archive *"
.Ft int
.Fn archive_write_set_format_ar_svr4 "struct archive *"
.Ft int
.Fn archive_write_set_format_by_name "struct archive *" "const char *name"
.Ft int
.Fn archive_write_set_format_cpio "struct archive *"
.Ft int
.Fn archive_write_set_format_cpio_newc "struct archive *"
.Ft int
.Fn archive_write_set_format_filter_by_ext "struct archive *" "const char *filename"
.Ft int
.Fn archive_write_set_format_filter_by_ext_def "struct archive *" "const char *filename" "const char *def_ext"
.Ft int
.Fn archive_write_set_format_gnutar "struct archive *"
.Ft int
.Fn archive_write_set_format_iso9660 "struct archive *"
.Ft int
.Fn archive_write_set_format_mtree "struct archive *"
.Ft int
.Fn archive_write_set_format_pax "struct archive *"
.Ft int
.Fn archive_write_set_format_pax_restricted "struct archive *"
.Ft int
.Fn archive_write_set_format_raw "struct archive *"
.Ft int
.Fn archive_write_set_format_shar "struct archive *"
.Ft int
.Fn archive_write_set_format_shar_dump "struct archive *"
.Ft int
.Fn archive_write_set_format_ustar "struct archive *"
.Ft int
.Fn archive_write_set_format_v7tar "struct archive *"
.Ft int
.Fn archive_write_set_format_warc "struct archive *"
.Ft int
.Fn archive_write_set_format_xar "struct archive *"
.Ft int
.Fn archive_write_set_format_zip "struct archive *"
.Sh DESCRIPTION
These functions set the format that will be used for the archive.
.Pp
The library can write a variety of common archive formats.

.Bl -tag -width indent
.It Fn archive_write_set_format
Sets the format based on the format code (see
.Pa archive.h
for the full list of format codes).
In particular, this can be used in conjunction with
.Fn archive_format
to create a new archive with the same format as an existing archive.
.It Fn archive_write_set_format_by_name
Sets the corresponding format based on the common name.
.It Xo
.Fn archive_write_set_format_filter_by_ext ,
.Fn archive_write_set_format_filter_by_ext_def
.Xc
Sets both filters and format based on the output filename.
Supported extensions: .7z, .zip, .jar, .cpio, .iso, .a, .ar, .tar, .tgz, .tar.gz, .tar.bz2, .tar.xz
.It Xo
.Fn archive_write_set_format_7zip
.Fn archive_write_set_format_ar_bsd ,
.Fn archive_write_set_format_ar_svr4 ,
.Fn archive_write_set_format_cpio
.Fn archive_write_set_format_cpio_newc
.Fn archive_write_set_format_gnutar
.Fn archive_write_set_format_iso9660
.Fn archive_write_set_format_mtree
.Fn archive_write_set_format_mtree_classic
.Fn archive_write_set_format_pax
.Fn archive_write_set_format_pax_restricted
.Fn archive_write_set_format_raw
.Fn archive_write_set_format_shar
.Fn archive_write_set_format_shar_dump
.Fn archive_write_set_format_ustar
.Fn archive_write_set_format_v7tar
.Fn archive_write_set_format_warc
.Fn archive_write_set_format_xar
.Fn archive_write_set_format_zip
.Xc
Set the format as specified.
More details on the formats supported by libarchive can be found in the
.Xr libarchive-formats 5
manual page.
.El
.\"
.Sh RETURN VALUES
These functions return
.Cm ARCHIVE_OK
on success, or
.Cm ARCHIVE_FATAL .
.\"
.Sh ERRORS
Detailed error codes and textual descriptions are available from the
.Fn archive_errno
and
.Fn archive_error_string
functions.
.\"
.Sh SEE ALSO
.Xr tar 1 ,
.Xr libarchive 3 ,
.Xr archive_write 3 ,
.Xr archive_write_set_options 3 ,
.Xr cpio 5 ,
.Xr libarchive-formats 5 ,
.Xr mtree 5 ,
.Xr tar 5