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04e0dc4a7a
Imported from https://www.nuget.org/packages/Microsoft.Windows.SDK.CRTSource/10.0.22621.3 License: MIT
49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
/***
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*mbclen.c - Find length of MBCS character
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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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* Find length of MBCS character
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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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#pragma warning(disable:__WARNING_POTENTIAL_BUFFER_OVERFLOW_NULLTERMINATED) // 26018
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/***
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* _mbclen - Find length of MBCS character
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*
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*Purpose:
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* Find the length of the MBCS character (in bytes).
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*
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*Entry:
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* unsigned char *c = MBCS character
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*
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*Exit:
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* Returns the number of bytes in the MBCS character
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*
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*Exceptions:
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*
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*******************************************************************************/
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extern "C" size_t __cdecl _mbclen_l(unsigned char const* c, _locale_t locale)
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{
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/* Don't return two if we have leadbyte, EOS.
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Don't assert here; too low level
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*/
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return ((_ismbblead_l)(*c, locale) && c[1] != '\0') ? 2 : 1;
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}
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extern "C" size_t __cdecl _mbclen(unsigned char const* c)
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{
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/* Don't return two if we have leadbyte, EOS.
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Don't assert here; too low level
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*/
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return (_ismbblead(*c) && c[1]!='\0') ? 2 : 1;
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}
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