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pgtar.h
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1 /*-------------------------------------------------------------------------
2  *
3  * pgtar.h
4  * Functions for manipulating tarfile datastructures (src/port/tar.c)
5  *
6  *
7  * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
8  * Portions Copyright (c) 1994, Regents of the University of California
9  *
10  * src/include/pgtar.h
11  *
12  *-------------------------------------------------------------------------
13  */
14 #ifndef PG_TAR_H
15 #define PG_TAR_H
16 
17 #define TAR_BLOCK_SIZE 512
18 
20 {
21  TAR_OK = 0,
24 };
25 
26 extern enum tarError tarCreateHeader(char *h, const char *filename,
27  const char *linktarget, pgoff_t size,
28  mode_t mode, uid_t uid, gid_t gid,
29  time_t mtime);
30 extern uint64 read_tar_number(const char *s, int len);
31 extern void print_tar_number(char *s, int len, uint64 val);
32 extern int tarChecksum(char *header);
33 
34 /*
35  * Compute the number of padding bytes required for an entry in a tar
36  * archive. We must pad out to a multiple of TAR_BLOCK_SIZE. Since that's
37  * a power of 2, we can use TYPEALIGN().
38  */
39 static inline size_t
41 {
42  return TYPEALIGN(TAR_BLOCK_SIZE, len) - len;
43 }
44 
45 #endif
static PgChecksumMode mode
Definition: pg_checksums.c:61
uint64 read_tar_number(const char *s, int len)
Definition: tar.c:58
Definition: pgtar.h:21
#define pgoff_t
Definition: win32_port.h:194
tarError
Definition: pgtar.h:19
#define TAR_BLOCK_SIZE
Definition: pgtar.h:17
enum tarError tarCreateHeader(char *h, const char *filename, const char *linktarget, pgoff_t size, mode_t mode, uid_t uid, gid_t gid, time_t mtime)
Definition: tar.c:114
static size_t tarPaddingBytesRequired(size_t len)
Definition: pgtar.h:40
int tarChecksum(char *header)
Definition: tar.c:90
#define TYPEALIGN(ALIGNVAL, LEN)
Definition: c.h:691
void print_tar_number(char *s, int len, uint64 val)
Definition: tar.c:22
int uid_t
Definition: win32_port.h:230
static void header(const char *fmt,...) pg_attribute_printf(1
Definition: pg_regress.c:210
static char * filename
Definition: pg_dumpall.c:91
int gid_t
Definition: win32_port.h:231
long val
Definition: informix.c:664