| archive_read_format.3 (315432) | archive_read_format.3 (353376) |
|---|---|
| 1.\" Copyright (c) 2003-2011 Tim Kientzle 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 88 unchanged lines hidden (view full) --- 97.Fn archive_read_support_format_zip 98.Xc 99Enables support---including auto-detection code---for the 100specified archive format. 101For example, 102.Fn archive_read_support_format_tar 103enables support for a variety of standard tar formats, old-style tar, 104ustar, pax interchange format, and many common variants. | 1.\" Copyright (c) 2003-2011 Tim Kientzle 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 88 unchanged lines hidden (view full) --- 97.Fn archive_read_support_format_zip 98.Xc 99Enables support---including auto-detection code---for the 100specified archive format. 101For example, 102.Fn archive_read_support_format_tar 103enables support for a variety of standard tar formats, old-style tar, 104ustar, pax interchange format, and many common variants. |
| 105.It Fn archive_read_support_format_all | 105.It Fn archive_read_support_format_all |
| 106Enables support for all available formats except the 107.Dq raw 108format (see below). 109.It Fn archive_read_support_format_by_code 110Enables a single format specified by the format code. 111This can be useful when reading a single archive twice; 112use 113.Fn archive_format --- 6 unchanged lines hidden (view full) --- 120using this function. 121.It Fn archive_read_support_format_empty 122Enables support for treating empty files as empty archives. 123Because empty files are valid for several different formats, 124it is not possible to accurately determine a format for 125an empty file based purely on contents. 126So empty files are treated by libarchive as a distinct 127format. | 106Enables support for all available formats except the 107.Dq raw 108format (see below). 109.It Fn archive_read_support_format_by_code 110Enables a single format specified by the format code. 111This can be useful when reading a single archive twice; 112use 113.Fn archive_format --- 6 unchanged lines hidden (view full) --- 120using this function. 121.It Fn archive_read_support_format_empty 122Enables support for treating empty files as empty archives. 123Because empty files are valid for several different formats, 124it is not possible to accurately determine a format for 125an empty file based purely on contents. 126So empty files are treated by libarchive as a distinct 127format. |
| 128.It Fn archive_read_support_format_raw | 128.It Fn archive_read_support_format_raw |
| 129The 130.Dq raw 131format handler allows libarchive to be used to read arbitrary data. 132It treats any data stream as an archive with a single entry. 133The pathname of this entry is 134.Dq data ; 135all other entry fields are unset. 136This is not enabled by --- 11 unchanged lines hidden (view full) --- 148Detailed error codes and textual descriptions are available from the 149.Fn archive_errno 150and 151.Fn archive_error_string 152functions. 153.\" 154.Sh SEE ALSO 155.Xr tar 1 , | 129The 130.Dq raw 131format handler allows libarchive to be used to read arbitrary data. 132It treats any data stream as an archive with a single entry. 133The pathname of this entry is 134.Dq data ; 135all other entry fields are unset. 136This is not enabled by --- 11 unchanged lines hidden (view full) --- 148Detailed error codes and textual descriptions are available from the 149.Fn archive_errno 150and 151.Fn archive_error_string 152functions. 153.\" 154.Sh SEE ALSO 155.Xr tar 1 , |
| 156.Xr libarchive 3 , | |
| 157.Xr archive_read_data 3 , 158.Xr archive_read_filter 3 , 159.Xr archive_read_set_options 3 , 160.Xr archive_util 3 , | 156.Xr archive_read_data 3 , 157.Xr archive_read_filter 3 , 158.Xr archive_read_set_options 3 , 159.Xr archive_util 3 , |
| 160.Xr libarchive 3 , |
|
| 161.Xr tar 5 162.Sh BUGS 163Many traditional archiver programs treat 164empty files as valid empty archives. 165For example, many implementations of 166.Xr tar 1 167allow you to append entries to an empty file. 168Of course, it is impossible to determine the format of an empty file 169by inspecting the contents, so this library treats empty files as 170having a special 171.Dq empty 172format. 173.Pp 174Using the 175.Dq raw 176handler together with any other handler will often work 177but can produce surprising results. | 161.Xr tar 5 162.Sh BUGS 163Many traditional archiver programs treat 164empty files as valid empty archives. 165For example, many implementations of 166.Xr tar 1 167allow you to append entries to an empty file. 168Of course, it is impossible to determine the format of an empty file 169by inspecting the contents, so this library treats empty files as 170having a special 171.Dq empty 172format. 173.Pp 174Using the 175.Dq raw 176handler together with any other handler will often work 177but can produce surprising results. |