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49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS system libraries
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* FILE: lib/sdk/crt/stdlib/mbtowc.c
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* PURPOSE: Unknown
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* PROGRAMER: Unknown
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* UPDATE HISTORY:
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* 25/11/05: Added license header
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*/
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#include <precomp.h>
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/*********************************************************************
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* _mbtowc_l(MSVCRT.@)
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*/
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int CDECL _mbtowc_l(wchar_t *dst, const char* str, size_t n, _locale_t locale)
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{
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MSVCRT_pthreadlocinfo locinfo;
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wchar_t tmpdst = '\0';
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if(!locale)
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locinfo = get_locinfo();
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else
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locinfo = (MSVCRT_pthreadlocinfo)(locale->locinfo);
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if(n <= 0 || !str)
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return 0;
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if(!locinfo->lc_codepage)
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tmpdst = (unsigned char)*str;
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else if(!MultiByteToWideChar(locinfo->lc_codepage, 0, str, n, &tmpdst, 1))
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return -1;
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if(dst)
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*dst = tmpdst;
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/* return the number of bytes from src that have been used */
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if(!*str)
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return 0;
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if(n >= 2 && _isleadbyte_l((unsigned char)*str, locale) && str[1])
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return 2;
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return 1;
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}
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/*********************************************************************
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* mbtowc(MSVCRT.@)
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*/
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int CDECL mbtowc(wchar_t *dst, const char* str, size_t n)
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{
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return _mbtowc_l(dst, str, n, NULL);
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}
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