|
| 1 | + |
| 2 | +/*------ |
| 3 | + * pg_locale.c |
| 4 | + * |
| 5 | + *The PostgreSQL locale utils. |
| 6 | + * |
| 7 | + *2000 Karel Zak - Zakkr |
| 8 | + * |
| 9 | + *------ |
| 10 | + */ |
| 11 | + |
| 12 | +#include<stdio.h> |
| 13 | + |
| 14 | +#include"postgres.h" |
| 15 | + |
| 16 | +#ifdefUSE_LOCALE |
| 17 | + |
| 18 | +#include<locale.h> |
| 19 | +#include"utils/pg_locale.h" |
| 20 | + |
| 21 | +/* #define DEBUG_LOCALE_UTILS */ |
| 22 | + |
| 23 | + |
| 24 | +/*------ |
| 25 | + * Return in PG_LocaleCategories current locale setting |
| 26 | + *------ |
| 27 | + */ |
| 28 | +PG_LocaleCategories* |
| 29 | +PGLC_current(PG_LocaleCategories*lc ) |
| 30 | +{ |
| 31 | +lc->lang=getenv("LANG"); |
| 32 | + |
| 33 | +lc->lc_ctype=setlocale(LC_CTYPE,NULL); |
| 34 | +lc->lc_numeric=setlocale(LC_NUMERIC,NULL); |
| 35 | +lc->lc_time=setlocale(LC_TIME,NULL); |
| 36 | +lc->lc_collate=setlocale(LC_COLLATE,NULL); |
| 37 | +lc->lc_monetary=setlocale(LC_MONETARY,NULL); |
| 38 | +lc->lc_messages=setlocale(LC_MESSAGES,NULL); |
| 39 | + |
| 40 | +returnlc; |
| 41 | +} |
| 42 | + |
| 43 | + |
| 44 | +#ifdefDEBUG_LOCALE_UTILS |
| 45 | + |
| 46 | +/*------ |
| 47 | + * Print a PG_LocaleCategories struct as DEBUG |
| 48 | + *------ |
| 49 | + */ |
| 50 | +PG_LocaleCategories* |
| 51 | +PGLC_debug_lc(PG_LocaleCategories*lc ) |
| 52 | +{ |
| 53 | +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", |
| 54 | +lc->lang, |
| 55 | +lc->lc_ctype, |
| 56 | +lc->lc_numeric, |
| 57 | +lc->lc_time, |
| 58 | +lc->lc_collate, |
| 59 | +lc->lc_monetary, |
| 60 | +lc->lc_messages |
| 61 | +); |
| 62 | + |
| 63 | +returnlc; |
| 64 | +} |
| 65 | + |
| 66 | +#endif |
| 67 | + |
| 68 | +/*------ |
| 69 | + * Set locales via a PG_LocaleCategories struct |
| 70 | + *------ |
| 71 | + */ |
| 72 | +PG_LocaleCategories* |
| 73 | +PGLC_setlocale(PG_LocaleCategories*lc ) |
| 74 | +{ |
| 75 | +if (!setlocale(LC_CTYPE,lc->lc_ctype)) |
| 76 | +elog(NOTICE,"pg_setlocale(): 'LC_CTYPE=%s' cannot be honored.",lc->lc_ctype); |
| 77 | + |
| 78 | +if (!setlocale(LC_NUMERIC,lc->lc_numeric)) |
| 79 | +elog(NOTICE,"pg_setlocale(): 'LC_NUMERIC=%s' cannot be honored.",lc->lc_numeric); |
| 80 | + |
| 81 | +if (!setlocale(LC_TIME,lc->lc_time)) |
| 82 | +elog(NOTICE,"pg_setlocale(): 'LC_TIME=%s' cannot be honored.",lc->lc_time); |
| 83 | + |
| 84 | +if (!setlocale(LC_COLLATE,lc->lc_collate)) |
| 85 | +elog(NOTICE,"pg_setlocale(): 'LC_COLLATE=%s' cannot be honored.",lc->lc_collate); |
| 86 | + |
| 87 | +if (!setlocale(LC_MONETARY,lc->lc_monetary)) |
| 88 | +elog(NOTICE,"pg_setlocale(): 'LC_MONETARY=%s' cannot be honored.",lc->lc_monetary); |
| 89 | + |
| 90 | +if (!setlocale(LC_MESSAGES,lc->lc_messages)) |
| 91 | +elog(NOTICE,"pg_setlocale(): 'LC_MESSAGE=%s' cannot be honored.",lc->lc_messages); |
| 92 | + |
| 93 | +returnlc; |
| 94 | +} |
| 95 | + |
| 96 | +/*------ |
| 97 | + * Return the POSIX lconv struct (contains number/money formatting information) |
| 98 | + * with locale information for *all* categories. |
| 99 | + * => Returned lconv is *independent* on current locale catogories setting - in |
| 100 | + * contrast to standard localeconv(). |
| 101 | + * |
| 102 | + * ! libc prepare memory space for lconv itself and all returned strings in |
| 103 | + * lconv are *static strings*. |
| 104 | + *------ |
| 105 | + */ |
| 106 | +structlconv* |
| 107 | +PGLC_localeconv() |
| 108 | +{ |
| 109 | +PG_LocaleCategorieslc; |
| 110 | +structlconv*lconv; |
| 111 | + |
| 112 | +/* Save current locale setting to lc */ |
| 113 | +PGLC_current(&lc); |
| 114 | + |
| 115 | +/* Set all locale category for current lang */ |
| 116 | +setlocale(LC_ALL,""); |
| 117 | + |
| 118 | +/* Get numeric formatting information */ |
| 119 | +lconv=localeconv(); |
| 120 | + |
| 121 | +/* Set previous original locale */ |
| 122 | +PGLC_setlocale(&lc); |
| 123 | + |
| 124 | +returnlconv; |
| 125 | +} |
| 126 | + |
| 127 | + |
| 128 | +#endif/* USE_LOCALE */ |