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70 lines
1.8 KiB
70 lines
1.8 KiB
/***
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*wcscoll.c - Collate wide-character locale strings
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*
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* Copyright (c) 1988-1993, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* Compare two wchar_t strings using the locale LC_COLLATE information.
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*
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*Revision History:
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* 09-09-91 ETC Created from strcoll.c.
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* 04-06-92 KRS Make work without _INTL also.
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* 08-19-92 KRS Activate NLS support.
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* 09-02-92 SRW Get _INTL definition via ..\crt32.def
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* 06-02-93 SRW ignore _INTL if _NTSUBSET_ defined.
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*
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*******************************************************************************/
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#include <cruntime.h>
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#include <string.h>
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#include <locale.h>
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#include <setlocal.h>
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#include <os2dll.h>
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/***
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*int wcscoll() - Collate wide-character locale strings
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*
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*Purpose:
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* Compare two wchar_t strings using the locale LC_COLLATE information.
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* In the C locale, wcscmp() is used to make the comparison.
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*
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*Entry:
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* const wchar_t *s1 = pointer to the first string
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* const wchar_t *s2 = pointer to the second string
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*
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*Exit:
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* -1 = first string less than second string
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* 0 = strings are equal
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* 1 = first string greater than second string
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* This range of return values may differ from other *cmp/*coll functions.
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*
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*Exceptions:
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*
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*******************************************************************************/
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int _CRTAPI1 wcscoll (
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const wchar_t *_string1,
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const wchar_t *_string2
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)
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{
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#if defined(_INTL) && !defined(_NTSUBSET_)
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int ret;
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_mlock (_LC_COLLATE_LOCK);
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if (_lc_handle[LC_COLLATE] == _CLOCALEHANDLE) {
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_munlock (_LC_COLLATE_LOCK);
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return (wcscmp(_string1, _string2));
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}
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if (!(ret = CompareStringW(_lc_handle[LC_COLLATE], 0, _string1, -1,
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_string2, -1))) {
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_munlock (_LC_COLLATE_LOCK);
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return (NLSCMPERROR);
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}
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_munlock (_LC_COLLATE_LOCK);
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return (ret - 2);
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#else
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return wcscmp(_string1, _string2);
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#endif /* _INTL */
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}
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