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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980/****mbsicoll.c - Collate MBCS strings, ignoring case** Copyright (c) Microsoft Corporation. All rights reserved.**Purpose:* Collate MBCS strings, ignoring case********************************************************************************/#ifndef _MBCS #error This file should only be compiled with _MBCS defined#endif
#include <corecrt_internal.h>#include <corecrt_internal_mbstring.h>#include <locale.h>
/**** _mbsicoll - Collate MBCS strings, ignoring case**Purpose:* Collates two strings for lexical order (ignoring case).* Strings are collated on a character basis, not a byte basis.**Entry:* char *s1, *s2 = strings to collate**Exit:* Returns <0 if s1 < s2* Returns 0 if s1 == s2* Returns >0 if s1 > s2* Returns _NLSCMPERROR is something went wrong**Exceptions:* Input parameters are validated. Refer to the validation section of the function.********************************************************************************/
extern "C" int __cdecl _mbsicoll_l( const unsigned char *s1, const unsigned char *s2, _locale_t plocinfo ){ int ret; _LocaleUpdate _loc_update(plocinfo);
/* validation section */ _VALIDATE_RETURN(s1 != nullptr, EINVAL, _NLSCMPERROR); _VALIDATE_RETURN(s2 != nullptr, EINVAL, _NLSCMPERROR);
if (_loc_update.GetLocaleT()->mbcinfo->ismbcodepage == 0) return _stricoll_l((const char *)s1, (const char *)s2, plocinfo);
if ( 0 == (ret = __acrt_CompareStringA( _loc_update.GetLocaleT(), _loc_update.GetLocaleT()->mbcinfo->mblocalename, SORT_STRINGSORT | NORM_IGNORECASE, (LPCSTR)s1, -1, (LPSTR)s2, -1, _loc_update.GetLocaleT()->mbcinfo->mbcodepage )) ) { errno = EINVAL; return _NLSCMPERROR; }
return ret - 2;
}
extern "C" int (__cdecl _mbsicoll)( const unsigned char *s1, const unsigned char *s2 ){ return _mbsicoll_l(s1, s2, nullptr);}