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87 lines
2.9 KiB
C++
87 lines
2.9 KiB
C++
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/***
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*lconv.c - Contains the localeconv function
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*
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* Copyright (c) Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* Contains the localeconv() function.
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*
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*******************************************************************************/
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#include <corecrt_internal.h>
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#include <limits.h>
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#include <locale.h>
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/* pointer to original static to avoid freeing */
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extern "C" char __acrt_lconv_static_decimal []{"."};
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extern "C" char __acrt_lconv_static_null []{""};
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extern "C" wchar_t __acrt_lconv_static_W_decimal[]{L"."};
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extern "C" wchar_t __acrt_lconv_static_W_null []{L""};
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/* lconv settings for "C" locale */
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extern "C" struct lconv __acrt_lconv_c
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{
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__acrt_lconv_static_decimal, // decimal_point
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__acrt_lconv_static_null, // thousands_sep
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__acrt_lconv_static_null, // grouping
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__acrt_lconv_static_null, // int_curr_symbol
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__acrt_lconv_static_null, // currency_symbol
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__acrt_lconv_static_null, // mon_decimal_point
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__acrt_lconv_static_null, // mon_thousands_sep
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__acrt_lconv_static_null, // mon_grouping
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__acrt_lconv_static_null, // positive_sign
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__acrt_lconv_static_null, // negative_sign
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CHAR_MAX, // int_frac_digits
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CHAR_MAX, // frac_digits
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CHAR_MAX, // p_cs_precedes
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CHAR_MAX, // p_sep_by_space
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CHAR_MAX, // n_cs_precedes
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CHAR_MAX, // n_sep_by_space
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CHAR_MAX, // p_sign_posn
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CHAR_MAX, // n_sign_posn
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__acrt_lconv_static_W_decimal, // _W_decimal_point
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__acrt_lconv_static_W_null, // _W_thousands_sep
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__acrt_lconv_static_W_null, // _W_int_curr_symbol
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__acrt_lconv_static_W_null, // _W_currency_symbol
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__acrt_lconv_static_W_null, // _W_mon_decimal_point
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__acrt_lconv_static_W_null, // _W_mon_thousands_sep
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__acrt_lconv_static_W_null, // _W_positive_sign
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__acrt_lconv_static_W_null, // _W_negative_sign
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};
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/* pointer to current lconv structure */
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extern "C" struct lconv* __acrt_lconv{&__acrt_lconv_c};
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/***
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*struct lconv *localeconv(void) - Return the numeric formatting convention
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*
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*Purpose:
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* The localeconv() routine returns the numeric formatting conventions
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* for the current locale setting. [ANSI]
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*
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*Entry:
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* void
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*
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*Exit:
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* struct lconv * = pointer to struct indicating current numeric
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* formatting conventions.
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*
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*Exceptions:
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*
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*******************************************************************************/
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extern "C" lconv* __cdecl localeconv()
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{
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// Note that we don't need _LocaleUpdate in this function. The main reason
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// being, that this is a leaf function in locale usage terms.
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__acrt_ptd* const ptd = __acrt_getptd();
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__crt_locale_data* locale_info = ptd->_locale_info;
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__acrt_update_locale_info(ptd, &locale_info);
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return locale_info->lconv;
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}
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