расширенные определения tar (extended tar definitions)
Пролог (Prolog)
This manual page is part of the POSIX Programmer's Manual. The
Linux implementation of this interface may differ (consult the
corresponding Linux manual page for details of Linux behavior),
or the interface may not be implemented on Linux.
Имя (Name)
tar.h — extended tar definitions
Синопсис (Synopsis)
#include <tar.h>
Описание (Description)
The <tar.h> header shall define the following symbolic constants
with the indicated values.
General definitions:
┌───────────┬────────────┬────────────────────────────────────────┐
│ Name │ Value │ Description │
├───────────┼────────────┼────────────────────────────────────────┤
│TMAGIC │ "ustar" │ Used in the magic field in the ustar │
│ │ │ header block, including the trailing │
│ │ │ null byte. │
│TMAGLEN │ 6 │ Length in octets of the magic field. │
│TVERSION │ "00" │ Used in the version field in the ustar │
│ │ │ header block, excluding the trailing │
│ │ │ null byte. │
│TVERSLEN │ 2 │ Length in octets of the version field. │
└───────────┴────────────┴────────────────────────────────────────┘
Typeflag field definitions:
┌───────────┬────────────┬────────────────────────────────┐
│ Name │ Value │ Description │
├───────────┼────────────┼────────────────────────────────┤
│REGTYPE │ '0' │ Regular file. │
│AREGTYPE │ '\0' │ Regular file. │
│LNKTYPE │ '1' │ Link. │
│SYMTYPE │ '2' │ Symbolic link. │
│CHRTYPE │ '3' │ Character special. │
│BLKTYPE │ '4' │ Block special. │
│DIRTYPE │ '5' │ Directory. │
│FIFOTYPE │ '6' │ FIFO special. │
│CONTTYPE │ '7' │ Reserved. │
└───────────┴────────────┴────────────────────────────────┘
Mode field bit definitions (octal):
┌───────────┬────────────┬──────────────────────────────────────────────┐
│ Name │ Value │ Description │
├───────────┼────────────┼──────────────────────────────────────────────┤
│TSUID │ 04000 │ Set UID on execution. │
│TSGID │ 02000 │ Set GID on execution. │
│TSVTX │ 01000 │ On directories, restricted deletion flag. │
│TUREAD │ 00400 │ Read by owner. │
│TUWRITE │ 00200 │ Write by owner special. │
│TUEXEC │ 00100 │ Execute/search by owner. │
│TGREAD │ 00040 │ Read by group. │
│TGWRITE │ 00020 │ Write by group. │
│TGEXEC │ 00010 │ Execute/search by group. │
│TOREAD │ 00004 │ Read by other. │
│TOWRITE │ 00002 │ Write by other. │
│TOEXEC │ 00001 │ Execute/search by other. │
└───────────┴────────────┴──────────────────────────────────────────────┘
The following sections are informative.
Использование в приложениях (Application usage)
None.
Обоснование (Rationale)
None.
Будущие направления (Future directions)
None.
Смотри также (See also)
The Shell and Utilities volume of POSIX.1‐2017, pax(1p)
