1 /*-------------------------------------------------------------------------
2  *
3  * scansup.h
4  *	  scanner support routines.  used by both the bootstrap lexer
5  * as well as the normal lexer
6  *
7  * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
8  * Portions Copyright (c) 1994, Regents of the University of California
9  *
10  * src/include/parser/scansup.h
11  *
12  *-------------------------------------------------------------------------
13  */
14 
15 #ifndef SCANSUP_H
16 #define SCANSUP_H
17 
18 extern char *scanstr(const char *s);
19 
20 extern char *downcase_truncate_identifier(const char *ident, int len,
21 										  bool warn);
22 
23 extern char *downcase_identifier(const char *ident, int len,
24 								 bool warn, bool truncate);
25 
26 extern void truncate_identifier(char *ident, int len, bool warn);
27 
28 extern bool scanner_isspace(char ch);
29 
30 #endif							/* SCANSUP_H */
31