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/*----------------------------------------------------------------------- * * PostgreSQL locale utilities * * src/include/utils/pg_locale.h * * Copyright (c) 2002-2012, PostgreSQL Global Development Group * *----------------------------------------------------------------------- */ #ifndef _PG_LOCALE_ #define _PG_LOCALE_ #include <locale.h> #if defined(LOCALE_T_IN_XLOCALE) || defined(WCSTOMBS_L_IN_XLOCALE) #include <xlocale.h> #endif #include "utils/guc.h" /* GUC settings */ extern char *locale_messages; extern char *locale_monetary; extern char *locale_numeric; extern char *locale_time; /* lc_time localization cache */ extern char *localized_abbrev_days[]; extern char *localized_full_days[]; extern char *localized_abbrev_months[]; extern char *localized_full_months[]; extern bool check_locale_messages(char **newval, void **extra, GucSource source); extern void assign_locale_messages(const char *newval, void *extra); extern bool check_locale_monetary(char **newval, void **extra, GucSource source); extern void assign_locale_monetary(const char *newval, void *extra); extern bool check_locale_numeric(char **newval, void **extra, GucSource source); extern void assign_locale_numeric(const char *newval, void *extra); extern bool check_locale_time(char **newval, void **extra, GucSource source); extern void assign_locale_time(const char *newval, void *extra); extern bool check_locale(int category, const char *locale, char **canonname); extern char *pg_perm_setlocale(int category, const char *locale); extern bool lc_collate_is_c(Oid collation); extern bool lc_ctype_is_c(Oid collation); /* * Return the POSIX lconv struct (contains number/money formatting * information) with locale information for all categories. */ extern struct lconv *PGLC_localeconv(void); extern void cache_locale_time(void); /* * We define our own wrapper around locale_t so we can keep the same * function signatures for all builds, while not having to create a * fake version of the standard type locale_t in the global namespace. * The fake version of pg_locale_t can be checked for truth; that's * about all it will be needed for. */ #ifdef HAVE_LOCALE_T typedef locale_t pg_locale_t; #else typedef int pg_locale_t; #endif extern pg_locale_t pg_newlocale_from_collation(Oid collid); /* These functions convert from/to libc's wchar_t, *not* pg_wchar_t */ #ifdef USE_WIDE_UPPER_LOWER extern size_t wchar2char(char *to, const wchar_t *from, size_t tolen, pg_locale_t locale); extern size_t char2wchar(wchar_t *to, size_t tolen, const char *from, size_t fromlen, pg_locale_t locale); #endif #endif /* _PG_LOCALE_ */