1,135c1,129
< /*-----------------------------------------------------------------------
<  *
<  * PostgreSQL locale utilities
<  *
<  * src/include/utils/pg_locale.h
<  *
<  * Copyright (c) 2002-2023, PostgreSQL Global Development Group
<  *
<  *-----------------------------------------------------------------------
<  */
< 
< #ifndef _PG_LOCALE_
< #define _PG_LOCALE_
< 
< #if defined(LOCALE_T_IN_XLOCALE) || defined(WCSTOMBS_L_IN_XLOCALE)
< #include <xlocale.h>
< #endif
< #ifdef USE_ICU
< #include <unicode/ucol.h>
< #endif
< 
< #ifdef USE_ICU
< /*
<  * ucol_strcollUTF8() was introduced in ICU 50, but it is buggy before ICU 53.
<  * (see
<  * <https://www.postgresql.org/message-id/flat/f1438ec6-22aa-4029-9a3b-26f79d330e72%40manitou-mail.org>)
<  */
< #if U_ICU_VERSION_MAJOR_NUM >= 53
< #define HAVE_UCOL_STRCOLLUTF8 1
< #else
< #undef HAVE_UCOL_STRCOLLUTF8
< #endif
< #endif
< 
< /* use for libc locale names */
< #define LOCALE_NAME_BUFLEN 128
< 
< /* GUC settings */
< extern PGDLLIMPORT char *locale_messages;
< extern PGDLLIMPORT char *locale_monetary;
< extern PGDLLIMPORT char *locale_numeric;
< extern PGDLLIMPORT char *locale_time;
< extern PGDLLIMPORT int icu_validation_level;
< 
< /* lc_time localization cache */
< extern PGDLLIMPORT char *localized_abbrev_days[];
< extern PGDLLIMPORT char *localized_full_days[];
< extern PGDLLIMPORT char *localized_abbrev_months[];
< extern PGDLLIMPORT char *localized_full_months[];
< 
< /* is the databases's LC_CTYPE the C locale? */
< extern PGDLLIMPORT bool database_ctype_is_c;
< 
< 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.
<  * pg_locale_t is occasionally checked for truth, so make it a pointer.
<  */
< struct pg_locale_struct
< {
< 	char		provider;
< 	bool		deterministic;
< 	union
< 	{
< #ifdef HAVE_LOCALE_T
< 		locale_t	lt;
< #endif
< #ifdef USE_ICU
< 		struct
< 		{
< 			const char *locale;
< 			UCollator  *ucol;
< 		}			icu;
< #endif
< 		int			dummy;		/* in case we have neither LOCALE_T nor ICU */
< 	}			info;
< };
< 
< typedef struct pg_locale_struct *pg_locale_t;
< 
< extern PGDLLIMPORT struct pg_locale_struct default_locale;
< 
< extern void make_icu_collator(const char *iculocstr,
< 							  const char *icurules,
< 							  struct pg_locale_struct *resultp);
< 
< extern bool pg_locale_deterministic(pg_locale_t locale);
< extern pg_locale_t pg_newlocale_from_collation(Oid collid);
< 
< extern char *get_collation_actual_version(char collprovider, const char *collcollate);
< extern int	pg_strcoll(const char *arg1, const char *arg2, pg_locale_t locale);
< extern int	pg_strncoll(const char *arg1, size_t len1,
< 						const char *arg2, size_t len2, pg_locale_t locale);
< extern bool pg_strxfrm_enabled(pg_locale_t locale);
< extern size_t pg_strxfrm(char *dest, const char *src, size_t destsize,
< 						 pg_locale_t locale);
< extern size_t pg_strnxfrm(char *dest, size_t destsize, const char *src,
< 						  size_t srclen, pg_locale_t locale);
< extern bool pg_strxfrm_prefix_enabled(pg_locale_t locale);
< extern size_t pg_strxfrm_prefix(char *dest, const char *src, size_t destsize,
< 								pg_locale_t locale);
< extern size_t pg_strnxfrm_prefix(char *dest, size_t destsize, const char *src,
< 								 size_t srclen, pg_locale_t locale);
< 
< extern void icu_validate_locale(const char *loc_str);
< extern char *icu_language_tag(const char *loc_str, int elevel);
< 
< #ifdef USE_ICU
< extern int32_t icu_to_uchar(UChar **buff_uchar, const char *buff, size_t nbytes);
< extern int32_t icu_from_uchar(char **result, const UChar *buff_uchar, int32_t len_uchar);
< #endif
< 
< /* These functions convert from/to libc's wchar_t, *not* pg_wchar_t */
< 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							/* _PG_LOCALE_ */
---
> /*-----------------------------------------------------------------------
>  *
>  * PostgreSQL locale utilities
>  *
>  * src/include/utils/pg_locale.h
>  *
>  * Copyright (c) 2002-2022, PostgreSQL Global Development Group
>  *
>  *-----------------------------------------------------------------------
>  */
> 
> #ifndef _PG_LOCALE_
> #define _PG_LOCALE_
> 
> #if defined(LOCALE_T_IN_XLOCALE) || defined(WCSTOMBS_L_IN_XLOCALE)
> #include <xlocale.h>
> #endif
> #ifdef USE_ICU
> #include <unicode/ucol.h>
> #endif
> 
> #include "utils/guc.h"
> 
> #ifdef USE_ICU
> /*
>  * ucol_strcollUTF8() was introduced in ICU 50, but it is buggy before ICU 53.
>  * (see
>  * <https://www.postgresql.org/message-id/flat/f1438ec6-22aa-4029-9a3b-26f79d330e72%40manitou-mail.org>)
>  */
> #if U_ICU_VERSION_MAJOR_NUM >= 53
> #define HAVE_UCOL_STRCOLLUTF8 1
> #else
> #undef HAVE_UCOL_STRCOLLUTF8
> #endif
> #endif
> 
> /* use for libc locale names */
> #define LOCALE_NAME_BUFLEN 128
> 
> /* GUC settings */
> extern PGDLLIMPORT char *locale_messages;
> extern PGDLLIMPORT char *locale_monetary;
> extern PGDLLIMPORT char *locale_numeric;
> extern PGDLLIMPORT char *locale_time;
> 
> /* lc_time localization cache */
> extern PGDLLIMPORT char *localized_abbrev_days[];
> extern PGDLLIMPORT char *localized_full_days[];
> extern PGDLLIMPORT char *localized_abbrev_months[];
> extern PGDLLIMPORT char *localized_full_months[];
> 
> /* is the databases's LC_CTYPE the C locale? */
> extern PGDLLIMPORT bool	database_ctype_is_c;
> 
> 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 void check_strxfrm_bug(void);
> 
> 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.
>  * pg_locale_t is occasionally checked for truth, so make it a pointer.
>  */
> struct pg_locale_struct
> {
> 	char		provider;
> 	bool		deterministic;
> 	union
> 	{
> #ifdef HAVE_LOCALE_T
> 		locale_t	lt;
> #endif
> #ifdef USE_ICU
> 		struct
> 		{
> 			const char *locale;
> 			UCollator  *ucol;
> 		}			icu;
> #endif
> 		int			dummy;		/* in case we have neither LOCALE_T nor ICU */
> 	}			info;
> };
> 
> typedef struct pg_locale_struct *pg_locale_t;
> 
> extern PGDLLIMPORT struct pg_locale_struct default_locale;
> 
> extern void make_icu_collator(const char *iculocstr,
> 							  struct pg_locale_struct *resultp);
> 
> extern pg_locale_t pg_newlocale_from_collation(Oid collid);
> 
> extern char *get_collation_actual_version(char collprovider, const char *collcollate);
> 
> #ifdef USE_ICU
> extern int32_t icu_to_uchar(UChar **buff_uchar, const char *buff, size_t nbytes);
> extern int32_t icu_from_uchar(char **result, const UChar *buff_uchar, int32_t len_uchar);
> #endif
> extern void check_icu_locale(const char *icu_locale);
> 
> /* These functions convert from/to libc's wchar_t, *not* pg_wchar_t */
> 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							/* _PG_LOCALE_ */
