/*-------------------------------------------------------------------------
 *
 * pgut-be.c
 *
 * Copyright (c) 2009, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
 *
 *-------------------------------------------------------------------------
 */

#include "postgres.h"
#include "pgut-be.h"

#if PG_VERSION_NUM < 80400

char *
text_to_cstring(const text *t)
{
	text	   *tunpacked = pg_detoast_datum_packed((struct varlena *) t);
	int			len = VARSIZE_ANY_EXHDR(tunpacked);
	char	   *result;

	result = (char *) palloc(len + 1);
	memcpy(result, VARDATA_ANY(tunpacked), len);
	result[len] = '\0';

	if (tunpacked != t)
		pfree(tunpacked);
	
	return result;
}

text *
cstring_to_text(const char *s)
{
	int			len = strlen(s);
	text	   *result = palloc(len + VARHDRSZ);

	SET_VARSIZE(result, len + VARHDRSZ);
	memcpy(VARDATA(result), s, len);

	return result;
}

int
SPI_execute_with_args(const char *src,
					  int nargs, Oid *argtypes,
					  Datum *values, const char *nulls,
					  bool read_only, long tcount)
{
	SPIPlanPtr	plan;
	int			ret;

	plan = SPI_prepare(src, nargs, argtypes);
	if (plan == NULL)
		return SPI_result;
	ret = SPI_execute_plan(plan, values, nulls, read_only, tcount);
	SPI_freeplan(plan);
	return ret;
}

#endif