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dependencies/libarchive-3.4.2/doc/text/archive_entry.3.txt
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ARCHIVE_ENTRY(3) BSD Library Functions Manual ARCHIVE_ENTRY(3)
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NAME
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archive_entry_clear, archive_entry_clone, archive_entry_free,
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archive_entry_new -- functions for managing archive entry descriptions
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LIBRARY
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Streaming Archive Library (libarchive, -larchive)
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SYNOPSIS
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#include <archive_entry.h>
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struct archive_entry *
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archive_entry_clear(struct archive_entry *);
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struct archive_entry *
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archive_entry_clone(struct archive_entry *);
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void
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archive_entry_free(struct archive_entry *);
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struct archive_entry *
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archive_entry_new(void);
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DESCRIPTION
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These functions create and manipulate data objects that represent entries
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within an archive. You can think of a struct archive_entry as a heavy-
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duty version of struct stat: it includes everything from struct stat plus
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associated pathname, textual group and user names, etc. These objects
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are used by libarchive(3) to represent the metadata associated with a
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particular entry in an archive.
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Create and Destroy
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There are functions to allocate, destroy, clear, and copy archive_entry
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objects:
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archive_entry_clear()
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Erases the object, resetting all internal fields to the same
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state as a newly-created object. This is provided to allow you
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to quickly recycle objects without thrashing the heap.
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archive_entry_clone()
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A deep copy operation; all text fields are duplicated.
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archive_entry_free()
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Releases the struct archive_entry object.
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archive_entry_new()
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Allocate and return a blank struct archive_entry object.
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Function groups
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Due to high number of functions, the accessor functions can be found in
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man pages grouped by the purpose.
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archive_entry_acl(3) Access Control List manipulation
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archive_entry_paths(3) Path name manipulation
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archive_entry_perms(3) User, group and mode manipulation
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archive_entry_stat(3) Functions not in the other groups and copying
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to/from struct stat.
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archive_entry_time(3) Time field manipulation
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Most of the functions set or read entries in an object. Such functions
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have one of the following forms:
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archive_entry_set_XXXX()
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Stores the provided data in the object. In particular, for
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strings, the pointer is stored, not the referenced string.
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archive_entry_copy_XXXX()
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As above, except that the referenced data is copied into the
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object.
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archive_entry_XXXX()
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Returns the specified data. In the case of strings, a const-
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qualified pointer to the string is returned.
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String data can be set or accessed as wide character strings or normal
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char strings. The functions that use wide character strings are suffixed
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with _w. Note that these are different representations of the same data:
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For example, if you store a narrow string and read the corresponding wide
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string, the object will transparently convert formats using the current
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locale. Similarly, if you store a wide string and then store a narrow
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string for the same data, the previously-set wide string will be dis-
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carded in favor of the new data.
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SEE ALSO
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archive_entry_acl(3), archive_entry_paths(3), archive_entry_perms(3),
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archive_entry_time(3), libarchive(3)
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HISTORY
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The libarchive library first appeared in FreeBSD 5.3.
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AUTHORS
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The libarchive library was written by Tim Kientzle <kientzle@acm.org>.
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BSD February 2, 2012 BSD
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