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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: varbit.h

/*-------------------------------------------------------------------------
 *
 * varbit.h
 *	  Functions for the SQL datatypes BIT() and BIT VARYING().
 *
 * Code originally contributed by Adriaan Joubert.
 *
 * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/utils/varbit.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef VARBIT_H
#define VARBIT_H

#include <limits.h>

#include "fmgr.h"

/*
 * Modeled on struct varlena from postgres.h, but data type is bits8.
 */
typedef struct
{
	int32		vl_len_;		/* varlena header (do not touch directly!) */
	int32		bit_len;		/* number of valid bits */
	bits8		bit_dat[FLEXIBLE_ARRAY_MEMBER]; /* bit string, most sig. byte
												 * first */
} VarBit;

/*
 * fmgr interface macros
 *
 * BIT and BIT VARYING are toastable varlena types.  They are the same
 * as far as representation goes, so we just have one set of macros.
 */
#define DatumGetVarBitP(X)		   ((VarBit *) PG_DETOAST_DATUM(X))
#define DatumGetVarBitPCopy(X)	   ((VarBit *) PG_DETOAST_DATUM_COPY(X))
#define VarBitPGetDatum(X)		   PointerGetDatum(X)
#define PG_GETARG_VARBIT_P(n)	   DatumGetVarBitP(PG_GETARG_DATUM(n))
#define PG_GETARG_VARBIT_P_COPY(n) DatumGetVarBitPCopy(PG_GETARG_DATUM(n))
#define PG_RETURN_VARBIT_P(x)	   return VarBitPGetDatum(x)

/* Header overhead *in addition to* VARHDRSZ */
#define VARBITHDRSZ			sizeof(int32)
/* Number of bits in this bit string */
#define VARBITLEN(PTR)		(((VarBit *) (PTR))->bit_len)
/* Pointer to the first byte containing bit string data */
#define VARBITS(PTR)		(((VarBit *) (PTR))->bit_dat)
/* Number of bytes in the data section of a bit string */
#define VARBITBYTES(PTR)	(VARSIZE(PTR) - VARHDRSZ - VARBITHDRSZ)
/* Padding of the bit string at the end (in bits) */
#define VARBITPAD(PTR)		(VARBITBYTES(PTR)*BITS_PER_BYTE - VARBITLEN(PTR))
/* Number of bytes needed to store a bit string of a given length */
#define VARBITTOTALLEN(BITLEN)	(((BITLEN) + BITS_PER_BYTE-1)/BITS_PER_BYTE + \
								 VARHDRSZ + VARBITHDRSZ)
/*
 * Maximum number of bits.  Several code sites assume no overflow from
 * computing bitlen + X; VARBITTOTALLEN() has the largest such X.
 */
#define VARBITMAXLEN		(INT_MAX - BITS_PER_BYTE + 1)
/* pointer beyond the end of the bit string (like end() in STL containers) */
#define VARBITEND(PTR)		(((bits8 *) (PTR)) + VARSIZE(PTR))
/* Mask that will cover exactly one byte, i.e. BITS_PER_BYTE bits */
#define BITMASK 0xFF

extern Datum bit_in(PG_FUNCTION_ARGS);
extern Datum bit_out(PG_FUNCTION_ARGS);
extern Datum bit_recv(PG_FUNCTION_ARGS);
extern Datum bit_send(PG_FUNCTION_ARGS);
extern Datum bittypmodin(PG_FUNCTION_ARGS);
extern Datum bittypmodout(PG_FUNCTION_ARGS);
extern Datum varbit_in(PG_FUNCTION_ARGS);
extern Datum varbit_out(PG_FUNCTION_ARGS);
extern Datum varbit_recv(PG_FUNCTION_ARGS);
extern Datum varbit_send(PG_FUNCTION_ARGS);
extern Datum varbittypmodin(PG_FUNCTION_ARGS);
extern Datum varbittypmodout(PG_FUNCTION_ARGS);
extern Datum bit(PG_FUNCTION_ARGS);
extern Datum varbit_transform(PG_FUNCTION_ARGS);
extern Datum varbit(PG_FUNCTION_ARGS);
extern Datum biteq(PG_FUNCTION_ARGS);
extern Datum bitne(PG_FUNCTION_ARGS);
extern Datum bitlt(PG_FUNCTION_ARGS);
extern Datum bitle(PG_FUNCTION_ARGS);
extern Datum bitgt(PG_FUNCTION_ARGS);
extern Datum bitge(PG_FUNCTION_ARGS);
extern Datum bitcmp(PG_FUNCTION_ARGS);

/* avoid the names bitand and bitor, since they are C++ keywords */
extern Datum bit_and(PG_FUNCTION_ARGS);
extern Datum bit_or(PG_FUNCTION_ARGS);
extern Datum bitxor(PG_FUNCTION_ARGS);
extern Datum bitnot(PG_FUNCTION_ARGS);
extern Datum bitshiftleft(PG_FUNCTION_ARGS);
extern Datum bitshiftright(PG_FUNCTION_ARGS);
extern Datum bitcat(PG_FUNCTION_ARGS);
extern Datum bitsubstr(PG_FUNCTION_ARGS);
extern Datum bitsubstr_no_len(PG_FUNCTION_ARGS);
extern Datum bitoverlay(PG_FUNCTION_ARGS);
extern Datum bitoverlay_no_len(PG_FUNCTION_ARGS);
extern Datum bitlength(PG_FUNCTION_ARGS);
extern Datum bitoctetlength(PG_FUNCTION_ARGS);
extern Datum bitfromint4(PG_FUNCTION_ARGS);
extern Datum bittoint4(PG_FUNCTION_ARGS);
extern Datum bitfromint8(PG_FUNCTION_ARGS);
extern Datum bittoint8(PG_FUNCTION_ARGS);
extern Datum bitposition(PG_FUNCTION_ARGS);
extern Datum bitsetbit(PG_FUNCTION_ARGS);
extern Datum bitgetbit(PG_FUNCTION_ARGS);

#endif

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Editing: varbit.h

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