1 /*-------------------------------------------------------------------------
2  *
3  * varlena.h
4  *	  Functions for the variable-length built-in types.
5  *
6  * Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group
7  * Portions Copyright (c) 1994, Regents of the University of California
8  *
9  * src/include/utils/varlena.h
10  *
11  *-------------------------------------------------------------------------
12  */
13 #ifndef VARLENA_H
14 #define VARLENA_H
15 
16 #include "nodes/pg_list.h"
17 #include "utils/sortsupport.h"
18 
19 extern int	varstr_cmp(char *arg1, int len1, char *arg2, int len2, Oid collid);
20 extern void varstr_sortsupport(SortSupport ssup, Oid collid, bool bpchar);
21 extern int varstr_levenshtein(const char *source, int slen,
22 				   const char *target, int tlen,
23 				   int ins_c, int del_c, int sub_c,
24 				   bool trusted);
25 extern int varstr_levenshtein_less_equal(const char *source, int slen,
26 							  const char *target, int tlen,
27 							  int ins_c, int del_c, int sub_c,
28 							  int max_d, bool trusted);
29 extern List *textToQualifiedNameList(text *textval);
30 extern bool SplitIdentifierString(char *rawstring, char separator,
31 					  List **namelist);
32 extern bool SplitDirectoriesString(char *rawstring, char separator,
33 					   List **namelist);
34 extern bool SplitGUCList(char *rawstring, char separator,
35 			 List **namelist);
36 extern text *replace_text_regexp(text *src_text, void *regexp,
37 					text *replace_text, bool glob);
38 
39 #endif
40