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#ifndef __TSLOCALE_H__
#define __TSLOCALE_H__
#include "postgres.h"
#include "utils/pg_locale.h"
#include "mb/pg_wchar.h"
#include <ctype.h>
#include <limits.h>
/*
* towlower() and friends should be in <wctype.h>, but some pre-C99 systems
* declare them in <wchar.h>.
*/
#ifdef HAVE_WCHAR_H
#include <wchar.h>
#endif
#ifdef HAVE_WCTYPE_H
#include <wctype.h>
#endif
#if defined(HAVE_WCSTOMBS) && defined(HAVE_TOWLOWER)
#define TS_USE_WIDE
#endif
#ifdef TS_USE_WIDE
#endif /* TS_USE_WIDE */
#define TOUCHAR(x) (*((unsigned char*)(x)))
#ifdef TS_USE_WIDE
#ifdef WIN32
size_t wchar2char(char *to, const wchar_t *from, size_t len);
size_t char2wchar(wchar_t *to, const char *from, size_t len);
#else /* WIN32 */
/* correct mbstowcs */
#define char2wchar mbstowcs
#define wchar2char wcstombs
#endif /* WIN32 */
#define t_isdigit(x) ( pg_mblen(x)==1 && isdigit( TOUCHAR(x) ) )
#define t_isspace(x) ( pg_mblen(x)==1 && isspace( TOUCHAR(x) ) )
extern int _t_isalpha(const char *ptr);
#define t_isalpha(x) ( (pg_mblen(x)==1) ? isalpha( TOUCHAR(x) ) : _t_isalpha(x) )
extern int _t_isprint(const char *ptr);
#define t_isprint(x) ( (pg_mblen(x)==1) ? isprint( TOUCHAR(x) ) : _t_isprint(x) )
/*
* t_iseq() should be called only for ASCII symbols
*/
#define t_iseq(x,c) ( (pg_mblen(x)==1) ? ( TOUCHAR(x) == ((unsigned char)(c)) ) : false )
#define COPYCHAR(d,s) do { \
int lll = pg_mblen( s ); \
\
while( lll-- ) \
TOUCHAR((d)+lll) = TOUCHAR((s)+lll); \
} while(0)
#else /* not def TS_USE_WIDE */
#define t_isdigit(x) isdigit( TOUCHAR(x) )
#define t_isspace(x) isspace( TOUCHAR(x) )
#define t_isalpha(x) isalpha( TOUCHAR(x) )
#define t_isprint(x) isprint( TOUCHAR(x) )
#define t_iseq(x,c) ( TOUCHAR(x) == ((unsigned char)(c)) )
#define COPYCHAR(d,s) TOUCHAR(d) = TOUCHAR(s)
#endif
char *lowerstr(char *str);
#endif /* __TSLOCALE_H__ */
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