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73 lines
1.9 KiB
73 lines
1.9 KiB
/***
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*wcsicoll.c - Collate wide-character locale strings without regard to case
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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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* without regard to case.
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*
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*Revision History:
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* 10-16-91 ETC Created from wcscoll.c.
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* 12-08-91 ETC Added multithread lock.
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* 04-06-92 KRS Make work without _INTL also.
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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 _wcsicoll() - Collate wide-character locale strings without regard to case
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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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* without regard to case.
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* In the C locale, _wcsicmp() 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 _wcsicoll (
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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 (_wcsicmp(_string1, _string2));
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}
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ret = CompareStringW(_lc_handle[LC_COLLATE], NORM_IGNORECASE,
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_string1, -1, _string2, -1);
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_munlock (_LC_COLLATE_LOCK);
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if (!ret)
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return NLSCMPERROR;
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else
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return (ret - 2);
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#else
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return _wcsicmp(_string1, _string2);
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#endif /* _INTL */
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}
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