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53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
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/***
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*ismbupr - Test if character is upper case (MBCS)
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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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* Test if character is upper case (MBCS)
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*
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*******************************************************************************/
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#ifndef _MBCS
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#error This file should only be compiled with _MBCS defined
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#endif
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#include <corecrt_internal_mbstring.h>
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#include <locale.h>
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/***
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* _ismbcupper - Test if character is upper case (MBCS)
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*
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*Purpose:
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* Test if the supplied character is upper case or not.
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* Handles MBCS characters correctly.
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*
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* Note: Use test against 0x00FF instead of _ISLEADBYTE
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* to ensure that we don't call SBCS routine with a two-byte
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* value.
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*
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*Entry:
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* unsigned int c = character to test
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*
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*Exit:
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* Returns TRUE if c is an upper case character; else FALSE
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*
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*Exceptions:
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*
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*******************************************************************************/
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extern "C" int __cdecl _ismbcupper_l(unsigned int const c, _locale_t const locale)
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{
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_LocaleUpdate locale_update(locale);
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if (c <= 0x00FF)
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{
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return _mbbisupper_l(c, locale_update.GetLocaleT());
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}
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return __dcrt_multibyte_check_type(c, locale_update.GetLocaleT(), _UPPER, true);
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}
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extern "C" int __cdecl _ismbcupper(unsigned int const c)
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{
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return _ismbcupper_l(c, nullptr);
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}
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