gpdb-roaringbitmap/roaringbitmap.h at master · zeromax007/gpdb-roaringbitmap · GitHub

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#ifndef __ROARINGBITMAP_H__
#define __ROARINGBITMAP_H__

/* Created by ZEROMAX on 2017/3/20.*/

#include "postgres.h"

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>

#include "fmgr.h"
#include "catalog/pg_type.h"
#include "utils/builtins.h"
#include "utils/array.h"
#include "utils/bytea.h"
#include "utils/memutils.h"
#include "lib/stringinfo.h"
#include "funcapi.h"
#include "libpq/pqformat.h"

#include "roaring.c"

#ifdef PG_MODULE_MAGIC
PG_MODULE_MAGIC;
#endif

bool ArrayContainsNulls(ArrayType *array);

/* useful macros for accessing int32 arrays */
#define ARRPTR(x) ((int32 *)ARR_DATA_PTR(x))
#define ARRNELEMS(x) ArrayGetNItems(ARR_NDIM(x), ARR_DIMS(x))

/* reject arrays we can't handle; to wit, those containing nulls */
#define CHECKARRVALID(x)                                       \
    do                                                         \
    {                                                          \
        if (ARR_HASNULL(x) && ArrayContainsNulls(x))           \
            ereport(ERROR,                                     \
                    (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED),  \
                     errmsg("array must not contain nulls"))); \
    } while (0)

#define ARRISEMPTY(x) (ARRNELEMS(x) == 0)

/*
 * Redefine standard memory allocation interface to pgsql's one.
*/
#ifdef malloc
#undef malloc
#endif
#define malloc(a) palloc(a)

#ifdef calloc
#undef calloc
#endif
#define calloc(a, b) palloc0((a) * (b))

#ifdef realloc
#undef realloc
#endif
#define realloc(a, b) repalloc(a, b)

#ifdef free
#undef free
#endif
#define free(a) pfree(a)

#endif