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/* -----------------------------------------------------------------------
* pg_locale.c
*
* $Header: /cvsroot/pgsql/src/backend/utils/adt/pg_locale.c,v 1.6 2000/08/29 04:41:47 momjian Exp $
*
*
* Portions Copyright (c) 1999-2000, PostgreSQL, Inc
*
* The PostgreSQL locale utils.
*
* Karel Zak - Zakkr
*
* -----------------------------------------------------------------------
*/
#include <stdio.h>
#include "postgres.h"
#ifdef USE_LOCALE
#include <locale.h>
#include "utils/pg_locale.h"
/* #define DEBUG_LOCALE_UTILS */
static struct lconv *CurrentLocaleConv = NULL;
/*------
* Return in PG_LocaleCategories current locale setting
*------
*/
PG_LocaleCategories *
PGLC_current(PG_LocaleCategories * lc)
{
lc->lang = getenv("LANG");
lc->lc_ctype = setlocale(LC_CTYPE, NULL);
lc->lc_numeric = setlocale(LC_NUMERIC, NULL);
lc->lc_time = setlocale(LC_TIME, NULL);
lc->lc_collate = setlocale(LC_COLLATE, NULL);
lc->lc_monetary = setlocale(LC_MONETARY, NULL);
#ifdef LC_MESSAGES
lc->lc_messages = setlocale(LC_MESSAGES, NULL);
#endif
return lc;
}
#ifdef DEBUG_LOCALE_UTILS
/*------
* Print a PG_LocaleCategories struct as DEBUG
*------
*/
PG_LocaleCategories *
PGLC_debug_lc(PG_LocaleCategories * lc)
{
#ifdef LC_MESSAGES
elog(DEBUG, "CURRENT LOCALE ENVIRONMENT:\n\nLANG: \t%s\nLC_CTYPE:\t%s\nLC_NUMERIC:\t%s\nLC_TIME:\t%s\nLC_COLLATE:\t%s\nLC_MONETARY:\t%s\nLC_MESSAGES:\t%s\n",
#else
elog(DEBUG, "CURRENT LOCALE ENVIRONMENT:\n\nLANG: \t%s\nLC_CTYPE:\t%s\nLC_NUMERIC:\t%s\nLC_TIME:\t%s\nLC_COLLATE:\t%s\nLC_MONETARY:\t%s\n",
#endif
lc->lang,
lc->lc_ctype,
lc->lc_numeric,
lc->lc_time,
lc->lc_collate,
lc->lc_monetary
#ifdef LC_MESSAGES
, lc->lc_messages
#endif
);
return lc;
}
#endif
/*------
* Set locales via a PG_LocaleCategories struct
*------
*/
PG_LocaleCategories *
PGLC_setlocale(PG_LocaleCategories * lc)
{
if (!setlocale(LC_CTYPE, lc->lc_ctype))
elog(NOTICE, "pg_setlocale(): 'LC_CTYPE=%s' cannot be honored.", lc->lc_ctype);
if (!setlocale(LC_NUMERIC, lc->lc_numeric))
elog(NOTICE, "pg_setlocale(): 'LC_NUMERIC=%s' cannot be honored.", lc->lc_numeric);
if (!setlocale(LC_TIME, lc->lc_time))
elog(NOTICE, "pg_setlocale(): 'LC_TIME=%s' cannot be honored.", lc->lc_time);
if (!setlocale(LC_COLLATE, lc->lc_collate))
elog(NOTICE, "pg_setlocale(): 'LC_COLLATE=%s' cannot be honored.", lc->lc_collate);
if (!setlocale(LC_MONETARY, lc->lc_monetary))
elog(NOTICE, "pg_setlocale(): 'LC_MONETARY=%s' cannot be honored.", lc->lc_monetary);
#ifdef LC_MESSAGES
if (!setlocale(LC_MESSAGES, lc->lc_messages))
elog(NOTICE, "pg_setlocale(): 'LC_MESSAGE=%s' cannot be honored.", lc->lc_messages);
#endif
return lc;
}
/*------
* Return the POSIX lconv struct (contains number/money formatting information)
* with locale information for *all* categories.
* => Returned lconv is *independent* on current locale catogories setting - in
* contrast to standard localeconv().
*
* ! libc prepare memory space for lconv itself and all returned strings in
* lconv are *static strings*.
*------
*/
struct lconv *
PGLC_localeconv(void)
{
PG_LocaleCategories lc;
if (CurrentLocaleConv)
return CurrentLocaleConv;
/* Save current locale setting to lc */
PGLC_current(&lc);
/* Set all locale category for current lang */
setlocale(LC_ALL, "");
/* Get numeric formatting information */
CurrentLocaleConv = localeconv();
/* Set previous original locale */
PGLC_setlocale(&lc);
return CurrentLocaleConv;
}
#endif /* USE_LOCALE */
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