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76 lines
2 KiB
C
76 lines
2 KiB
C
/*-------------------------------------------------------------------------
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*
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* ts_locale.h
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* locale compatibility layer for tsearch
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*
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* Copyright (c) 1998-2011, PostgreSQL Global Development Group
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*
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* src/include/tsearch/ts_locale.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef __TSLOCALE_H__
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#define __TSLOCALE_H__
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#include <ctype.h>
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#include <limits.h>
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#include "utils/pg_locale.h"
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#include "mb/pg_wchar.h"
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/*
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* towlower() and friends should be in <wctype.h>, but some pre-C99 systems
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* declare them in <wchar.h>.
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*/
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#ifdef HAVE_WCHAR_H
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#include <wchar.h>
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#endif
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#ifdef HAVE_WCTYPE_H
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#include <wctype.h>
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#endif
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/* working state for tsearch_readline (should be a local var in caller) */
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typedef struct
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{
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FILE *fp;
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const char *filename;
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int lineno;
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char *curline;
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ErrorContextCallback cb;
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} tsearch_readline_state;
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#define TOUCHAR(x) (*((const unsigned char *) (x)))
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#ifdef USE_WIDE_UPPER_LOWER
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extern int t_isdigit(const char *ptr);
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extern int t_isspace(const char *ptr);
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extern int t_isalpha(const char *ptr);
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extern int t_isprint(const char *ptr);
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/* The second argument of t_iseq() must be a plain ASCII character */
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#define t_iseq(x,c) (TOUCHAR(x) == (unsigned char) (c))
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#define COPYCHAR(d,s) memcpy(d, s, pg_mblen(s))
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#else /* not USE_WIDE_UPPER_LOWER */
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#define t_isdigit(x) isdigit(TOUCHAR(x))
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#define t_isspace(x) isspace(TOUCHAR(x))
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#define t_isalpha(x) isalpha(TOUCHAR(x))
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#define t_isprint(x) isprint(TOUCHAR(x))
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#define t_iseq(x,c) (TOUCHAR(x) == (unsigned char) (c))
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#define COPYCHAR(d,s) (*((unsigned char *) (d)) = TOUCHAR(s))
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#endif /* USE_WIDE_UPPER_LOWER */
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extern char *lowerstr(const char *str);
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extern char *lowerstr_with_len(const char *str, int len);
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extern bool tsearch_readline_begin(tsearch_readline_state *stp,
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const char *filename);
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extern char *tsearch_readline(tsearch_readline_state *stp);
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extern void tsearch_readline_end(tsearch_readline_state *stp);
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extern char *t_readline(FILE *fp);
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#endif /* __TSLOCALE_H__ */
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