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📄 acl.h(13.83 KB)
📄 aclchk_internal.h(1.42 KB)
📄 array.h(18.84 KB)
📄 arrayaccess.h(2.97 KB)
📄 ascii.h(579 B)
📄 attoptcache.h(725 B)
📄 builtins.h(56.08 KB)
📄 bytea.h(1.63 KB)
📄 cash.h(2.07 KB)
📄 catcache.h(7.4 KB)
📄 combocid.h(870 B)
📄 date.h(7.77 KB)
📄 datetime.h(10.59 KB)
📄 datum.h(1.88 KB)
📄 dynahash.h(498 B)
📄 dynamic_loader.h(648 B)
📄 elog.h(14.74 KB)
📄 errcodes.h(20.1 KB)
📄 evtcache.h(934 B)
📄 expandeddatum.h(6.89 KB)
📄 fmgroids.h(72.24 KB)
📄 fmgrtab.h(1.15 KB)
📄 formatting.h(1.41 KB)
📄 geo_decls.h(16.22 KB)
📄 guc.h(15.6 KB)
📄 guc_tables.h(7.22 KB)
📄 help_config.h(457 B)
📄 hsearch.h(5.97 KB)
📄 index_selfuncs.h(2.16 KB)
📄 inet.h(4.6 KB)
📄 int8.h(4.12 KB)
📄 inval.h(1.71 KB)
📄 json.h(3.26 KB)
📄 jsonapi.h(4.19 KB)
📄 jsonb.h(16.13 KB)
📄 logtape.h(1.5 KB)
📄 lsyscache.h(6.91 KB)
📄 memdebug.h(1.25 KB)
📄 memutils.h(6.16 KB)
📄 nabstime.h(5.79 KB)
📄 numeric.h(1.92 KB)
📄 palloc.h(5.04 KB)
📄 pg_crc.h(3.42 KB)
📄 pg_locale.h(2.63 KB)
📄 pg_lsn.h(1.29 KB)
📄 pg_rusage.h(847 B)
📄 plancache.h(8.36 KB)
📄 portal.h(9.64 KB)
📄 probes.h(6.54 KB)
📄 ps_status.h(668 B)
📄 rangetypes.h(8.31 KB)
📄 rel.h(18.18 KB)
📄 relcache.h(3.79 KB)
📄 relfilenodemap.h(561 B)
📄 relmapper.h(1.8 KB)
📄 reltrigger.h(1.95 KB)
📄 resowner.h(2.52 KB)
📄 resowner_private.h(3.42 KB)
📄 rls.h(1.73 KB)
📄 ruleutils.h(1.2 KB)
📄 sampling.h(1.96 KB)
📄 selfuncs.h(9.39 KB)
📄 snapmgr.h(4.13 KB)
📄 snapshot.h(4.2 KB)
📄 sortsupport.h(10.81 KB)
📄 spccache.h(604 B)
📄 syscache.h(5.91 KB)
📄 timeout.h(2.48 KB)
📄 timestamp.h(10.34 KB)
📄 tqual.h(4.11 KB)
📄 tuplesort.h(4.86 KB)
📄 tuplestore.h(3.23 KB)
📄 typcache.h(5.71 KB)
📄 tzparser.h(1.13 KB)
📄 uuid.h(861 B)
📄 varbit.h(4.31 KB)
📄 xml.h(3.89 KB)

Editing: inet.h

/*-------------------------------------------------------------------------
 *
 * inet.h
 *	  Declarations for operations on INET datatypes.
 *
 *
 * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/utils/inet.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef INET_H
#define INET_H

#include "fmgr.h"

/*
 *	This is the internal storage format for IP addresses
 *	(both INET and CIDR datatypes):
 */
typedef struct
{
	unsigned char family;		/* PGSQL_AF_INET or PGSQL_AF_INET6 */
	unsigned char bits;			/* number of bits in netmask */
	unsigned char ipaddr[16];	/* up to 128 bits of address */
} inet_struct;

/*
 * Referencing all of the non-AF_INET types to AF_INET lets us work on
 * machines which may not have the appropriate address family (like
 * inet6 addresses when AF_INET6 isn't present) but doesn't cause a
 * dump/reload requirement.  Existing databases used AF_INET for the family
 * type on disk.
 */
#define PGSQL_AF_INET	(AF_INET + 0)
#define PGSQL_AF_INET6	(AF_INET + 1)

/*
 * Both INET and CIDR addresses are represented within Postgres as varlena
 * objects, ie, there is a varlena header in front of the struct type
 * depicted above.  This struct depicts what we actually have in memory
 * in "uncompressed" cases.  Note that since the maximum data size is only
 * 18 bytes, INET/CIDR will invariably be stored into tuples using the
 * 1-byte-header varlena format.  However, we have to be prepared to cope
 * with the 4-byte-header format too, because various code may helpfully
 * try to "decompress" 1-byte-header datums.
 */
typedef struct
{
	char		vl_len_[4];		/* Do not touch this field directly! */
	inet_struct inet_data;
} inet;

/*
 *	Access macros.  We use VARDATA_ANY so that we can process short-header
 *	varlena values without detoasting them.  This requires a trick:
 *	VARDATA_ANY assumes the varlena header is already filled in, which is
 *	not the case when constructing a new value (until SET_INET_VARSIZE is
 *	called, which we typically can't do till the end).  Therefore, we
 *	always initialize the newly-allocated value to zeroes (using palloc0).
 *	A zero length word will look like the not-1-byte case to VARDATA_ANY,
 *	and so we correctly construct an uncompressed value.
 *
 *	Note that ip_addrsize(), ip_maxbits(), and SET_INET_VARSIZE() require
 *	the family field to be set correctly.
 */
#define ip_family(inetptr) \
	(((inet_struct *) VARDATA_ANY(inetptr))->family)

#define ip_bits(inetptr) \
	(((inet_struct *) VARDATA_ANY(inetptr))->bits)

#define ip_addr(inetptr) \
	(((inet_struct *) VARDATA_ANY(inetptr))->ipaddr)

#define ip_addrsize(inetptr) \
	(ip_family(inetptr) == PGSQL_AF_INET ? 4 : 16)

#define ip_maxbits(inetptr) \
	(ip_family(inetptr) == PGSQL_AF_INET ? 32 : 128)

#define SET_INET_VARSIZE(dst) \
	SET_VARSIZE(dst, VARHDRSZ + offsetof(inet_struct, ipaddr) + \
				ip_addrsize(dst))

/*
 *	This is the internal storage format for MAC addresses:
 */
typedef struct macaddr
{
	unsigned char a;
	unsigned char b;
	unsigned char c;
	unsigned char d;
	unsigned char e;
	unsigned char f;
} macaddr;

/*
 * fmgr interface macros
 */
#define DatumGetInetP(X)	((inet *) PG_DETOAST_DATUM(X))
#define DatumGetInetPP(X)	((inet *) PG_DETOAST_DATUM_PACKED(X))
#define InetPGetDatum(X)	PointerGetDatum(X)
#define PG_GETARG_INET_P(n) DatumGetInetP(PG_GETARG_DATUM(n))
#define PG_GETARG_INET_PP(n) DatumGetInetPP(PG_GETARG_DATUM(n))
#define PG_RETURN_INET_P(x) return InetPGetDatum(x)
/* macaddr is a fixed-length pass-by-reference datatype */
#define DatumGetMacaddrP(X)    ((macaddr *) DatumGetPointer(X))
#define MacaddrPGetDatum(X)    PointerGetDatum(X)
#define PG_GETARG_MACADDR_P(n) DatumGetMacaddrP(PG_GETARG_DATUM(n))
#define PG_RETURN_MACADDR_P(x) return MacaddrPGetDatum(x)

/*
 * Support functions in network.c
 */
extern int	bitncmp(const unsigned char *l, const unsigned char *r, int n);
extern int	bitncommon(const unsigned char *l, const unsigned char *r, int n);

/*
 * GiST support functions in network_gist.c
 */
extern Datum inet_gist_fetch(PG_FUNCTION_ARGS);
extern Datum inet_gist_consistent(PG_FUNCTION_ARGS);
extern Datum inet_gist_union(PG_FUNCTION_ARGS);
extern Datum inet_gist_compress(PG_FUNCTION_ARGS);
extern Datum inet_gist_decompress(PG_FUNCTION_ARGS);
extern Datum inet_gist_penalty(PG_FUNCTION_ARGS);
extern Datum inet_gist_picksplit(PG_FUNCTION_ARGS);
extern Datum inet_gist_same(PG_FUNCTION_ARGS);

/*
 * Estimation functions in network_selfuncs.c
 */
extern Datum networksel(PG_FUNCTION_ARGS);
extern Datum networkjoinsel(PG_FUNCTION_ARGS);

#endif   /* INET_H */

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Editing: inet.h

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