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pg_backup_tar.h
Go to the documentation of this file.
1
/*
2
* src/bin/pg_dump/pg_backup_tar.h
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*
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* TAR Header (see "ustar interchange format" in POSIX 1003.1)
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*
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* Offset Length Contents
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* 0 100 bytes File name ('\0' terminated, 99 maximum length)
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* 100 8 bytes File mode (in octal ascii)
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* 108 8 bytes User ID (in octal ascii)
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* 116 8 bytes Group ID (in octal ascii)
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* 124 12 bytes File size (in octal ascii)
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* 136 12 bytes Modify time (Unix timestamp in octal ascii)
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* 148 8 bytes Header checksum (in octal ascii)
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* 156 1 bytes Type flag (see below)
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* 157 100 bytes Linkname, if symlink ('\0' terminated, 99 maximum length)
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* 257 6 bytes Magic ("ustar\0")
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* 263 2 bytes Version ("00")
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* 265 32 bytes User name ('\0' terminated, 31 maximum length)
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* 297 32 bytes Group name ('\0' terminated, 31 maximum length)
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* 329 8 bytes Major device ID (in octal ascii)
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* 337 8 bytes Minor device ID (in octal ascii)
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* 345 155 bytes File name prefix (not used in our implementation)
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* 500 12 bytes Padding
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*
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* 512 (s+p)bytes File contents, padded out to 512-byte boundary
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*/
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/* The type flag defines the type of file */
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#define LF_OLDNORMAL '\0'
/* Normal disk file, Unix compatible */
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#define LF_NORMAL '0'
/* Normal disk file */
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#define LF_LINK '1'
/* Link to previously dumped file */
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#define LF_SYMLINK '2'
/* Symbolic link */
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#define LF_CHR '3'
/* Character special file */
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#define LF_BLK '4'
/* Block special file */
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#define LF_DIR '5'
/* Directory */
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#define LF_FIFO '6'
/* FIFO special file */
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#define LF_CONTIG '7'
/* Contiguous file */
src
bin
pg_dump
pg_backup_tar.h
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