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📄 acl.h(12.79 KB)
📄 array.h(10.61 KB)
📄 ascii.h(579 B)
📄 attoptcache.h(725 B)
📄 builtins.h(47.77 KB)
📄 bytea.h(1.58 KB)
📄 cash.h(2.07 KB)
📄 catcache.h(7.51 KB)
📄 combocid.h(698 B)
📄 date.h(7.73 KB)
📄 datetime.h(9.92 KB)
📄 datum.h(1.48 KB)
📄 dynahash.h(498 B)
📄 dynamic_loader.h(648 B)
📄 elog.h(12.56 KB)
📄 errcodes.h(19.61 KB)
📄 fmgroids.h(61.09 KB)
📄 fmgrtab.h(1.15 KB)
📄 formatting.h(1.41 KB)
📄 geo_decls.h(15.86 KB)
📄 guc.h(13.19 KB)
📄 guc_tables.h(7.15 KB)
📄 help_config.h(432 B)
📄 hsearch.h(5.51 KB)
📄 inet.h(2.66 KB)
📄 int8.h(4.03 KB)
📄 inval.h(1.81 KB)
📄 json.h(916 B)
📄 logtape.h(1.5 KB)
📄 lsyscache.h(6.51 KB)
📄 memutils.h(5.2 KB)
📄 nabstime.h(5.79 KB)
📄 numeric.h(1.88 KB)
📄 palloc.h(3.92 KB)
📄 pg_crc.h(4.36 KB)
📄 pg_crc_tables.h(19.73 KB)
📄 pg_locale.h(2.59 KB)
📄 pg_lzcompress.h(2.97 KB)
📄 pg_rusage.h(847 B)
📄 plancache.h(8.02 KB)
📄 portal.h(9.22 KB)
📄 probes.h(37.93 KB)
📄 ps_status.h(668 B)
📄 rangetypes.h(7.4 KB)
📄 rbtree.h(2.26 KB)
📄 rel.h(12.27 KB)
📄 relcache.h(3.17 KB)
📄 relmapper.h(1.68 KB)
📄 reltrigger.h(1.95 KB)
📄 resowner.h(5.07 KB)
📄 selfuncs.h(7.5 KB)
📄 snapmgr.h(1.59 KB)
📄 snapshot.h(2.59 KB)
📄 sortsupport.h(5.3 KB)
📄 spccache.h(556 B)
📄 syscache.h(5.51 KB)
📄 timestamp.h(9.5 KB)
📄 tqual.h(3.5 KB)
📄 tuplesort.h(4.62 KB)
📄 tuplestore.h(3.14 KB)
📄 typcache.h(4.26 KB)
📄 tzparser.h(1.13 KB)
📄 uuid.h(861 B)
📄 varbit.h(4.27 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) 1996-2012, 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[1];		/* 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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