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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879/****strcoll.c - Collate locale strings** Copyright (c) Microsoft Corporation. All rights reserved.**Purpose:* Compare two strings using the locale LC_COLLATE information.********************************************************************************/#include <corecrt_internal.h>#include <ctype.h>#include <locale.h>#include <string.h>
/****int strcoll() - Collate locale strings**Purpose:* Compare two strings using the locale LC_COLLATE information.* [ANSI].** Non-C locale support available under _INTL switch.* In the C locale, strcoll() simply resolves to strcmp().*Entry:* const char *s1 = pointer to the first string* const char *s2 = pointer to the second string**Exit:* Less than 0 = first string less than second string* 0 = strings are equal* Greater than 0 = first string greater than second string* Returns _NLSCMPERROR is something went wrong**Exceptions:* Input parameters are validated. Refer to the validation section of the function.********************************************************************************/
extern "C" int __cdecl _strcoll_l ( const char *_string1, const char *_string2, _locale_t plocinfo ){ int ret; _LocaleUpdate _loc_update(plocinfo);
/* validation section */ _VALIDATE_RETURN(_string1 != nullptr, EINVAL, _NLSCMPERROR); _VALIDATE_RETURN(_string2 != nullptr, EINVAL, _NLSCMPERROR);
if ( _loc_update.GetLocaleT()->locinfo->locale_name[LC_COLLATE] == nullptr ) return strcmp(_string1, _string2);
if ( 0 == (ret = __acrt_CompareStringA( _loc_update.GetLocaleT(), _loc_update.GetLocaleT()->locinfo->locale_name[LC_COLLATE], SORT_STRINGSORT, _string1, -1, _string2, -1, _loc_update.GetLocaleT()->locinfo->lc_collate_cp )) ) { errno = EINVAL; return _NLSCMPERROR; }
return (ret - 2);
}
extern "C" int __cdecl strcoll ( const char *_string1, const char *_string2 ){ return _strcoll_l(_string1, _string2, nullptr);}