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isn.h
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1 /*-------------------------------------------------------------------------
2  *
3  * isn.h
4  * PostgreSQL type definitions for ISNs (ISBN, ISMN, ISSN, EAN13, UPC)
5  *
6  * Author: German Mendez Bravo (Kronuz)
7  * Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group
8  *
9  * IDENTIFICATION
10  * contrib/isn/isn.h
11  *
12  *-------------------------------------------------------------------------
13  */
14 
15 #ifndef ISN_H
16 #define ISN_H
17 
18 #include "fmgr.h"
19 
20 #undef ISN_DEBUG
21 #define ISN_WEAK_MODE
22 
23 /*
24  * uint64 is the internal storage format for ISNs.
25  */
26 typedef uint64 ean13;
27 
28 #define EAN13_FORMAT UINT64_FORMAT
29 
30 #define PG_GETARG_EAN13(n) PG_GETARG_INT64(n)
31 #define PG_RETURN_EAN13(x) PG_RETURN_INT64(x)
32 
33 extern void initialize(void);
34 
35 #endif /* ISN_H */
void initialize(void)
Definition: isn.c:926
uint64 ean13
Definition: isn.h:26