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84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*-----------------------------------------------------------------------
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*
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* PostgreSQL locale utilities
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*
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* src/include/utils/pg_locale.h
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*
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* Copyright (c) 2002-2015, PostgreSQL Global Development Group
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*
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*-----------------------------------------------------------------------
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*/
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#ifndef _PG_LOCALE_
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#define _PG_LOCALE_
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#include <locale.h>
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#ifdef LOCALE_T_IN_XLOCALE
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#include <xlocale.h>
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#endif
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#include "utils/guc.h"
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/* GUC settings */
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extern char *locale_messages;
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extern char *locale_monetary;
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extern char *locale_numeric;
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extern char *locale_time;
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/* lc_time localization cache */
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extern char *localized_abbrev_days[];
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extern char *localized_full_days[];
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extern char *localized_abbrev_months[];
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extern char *localized_full_months[];
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extern bool check_locale_messages(char **newval, void **extra, GucSource source);
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extern void assign_locale_messages(const char *newval, void *extra);
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extern bool check_locale_monetary(char **newval, void **extra, GucSource source);
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extern void assign_locale_monetary(const char *newval, void *extra);
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extern bool check_locale_numeric(char **newval, void **extra, GucSource source);
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extern void assign_locale_numeric(const char *newval, void *extra);
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extern bool check_locale_time(char **newval, void **extra, GucSource source);
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extern void assign_locale_time(const char *newval, void *extra);
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extern bool check_locale(int category, const char *locale, char **canonname);
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extern char *pg_perm_setlocale(int category, const char *locale);
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extern bool lc_collate_is_c(Oid collation);
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extern bool lc_ctype_is_c(Oid collation);
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/*
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* Return the POSIX lconv struct (contains number/money formatting
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* information) with locale information for all categories.
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*/
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extern struct lconv *PGLC_localeconv(void);
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extern void cache_locale_time(void);
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/*
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* We define our own wrapper around locale_t so we can keep the same
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* function signatures for all builds, while not having to create a
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* fake version of the standard type locale_t in the global namespace.
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* The fake version of pg_locale_t can be checked for truth; that's
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* about all it will be needed for.
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*/
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#ifdef HAVE_LOCALE_T
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typedef locale_t pg_locale_t;
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#else
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typedef int pg_locale_t;
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#endif
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extern pg_locale_t pg_newlocale_from_collation(Oid collid);
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/* These functions convert from/to libc's wchar_t, *not* pg_wchar_t */
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#ifdef USE_WIDE_UPPER_LOWER
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extern size_t wchar2char(char *to, const wchar_t *from, size_t tolen,
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pg_locale_t locale);
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extern size_t char2wchar(wchar_t *to, size_t tolen,
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const char *from, size_t fromlen, pg_locale_t locale);
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#endif
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#endif /* _PG_LOCALE_ */
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