/*-------------------------------------------------------------------------
 *
 * varlena.h
 *	  Functions for the variable-length built-in types.
 *
 * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/utils/varlena.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef VARLENA_H
#define VARLENA_H

#include "nodes/pg_list.h"
#include "utils/sortsupport.h"

extern int	varstr_cmp(const char *arg1, int len1, const char *arg2, int len2, Oid collid);
extern void varstr_sortsupport(SortSupport ssup, Oid typeid, Oid collid);
extern int varstr_levenshtein(const char *source, int slen,
				   const char *target, int tlen,
				   int ins_c, int del_c, int sub_c,
				   bool trusted);
extern int varstr_levenshtein_less_equal(const char *source, int slen,
							  const char *target, int tlen,
							  int ins_c, int del_c, int sub_c,
							  int max_d, bool trusted);
extern List *textToQualifiedNameList(text *textval);
extern bool SplitIdentifierString(char *rawstring, char separator,
					  List **namelist);
extern bool SplitDirectoriesString(char *rawstring, char separator,
					   List **namelist);
extern bool SplitGUCList(char *rawstring, char separator,
			 List **namelist);
extern text *replace_text_regexp(text *src_text, void *regexp,
					text *replace_text, bool glob);

#endif
