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39 lines
669 B
C
39 lines
669 B
C
/*
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* The C RunTime DLL
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*
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* Implements C run-time functionality as known from UNIX.
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*
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* Copyright 1996,1998 Marcus Meissner
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* Copyright 1996 Jukka Iivonen
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* Copyright 1997 Uwe Bonnes
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*/
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#include <precomp.h>
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/*
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* @implemented
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*/
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int _wcslwr_s(wchar_t* str, size_t n)
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{
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wchar_t *ptr=str;
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if (!str || !n)
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{
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if (str) *str = '\0';
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*_errno() = EINVAL;
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return EINVAL;
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}
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while (n--)
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{
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if (!*ptr) return 0;
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*ptr = towlower(*ptr);
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ptr++;
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}
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/* MSDN claims that the function should return and set errno to
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* ERANGE, which doesn't seem to be true based on the tests. */
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*str = '\0';
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*_errno() = EINVAL;
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return EINVAL;
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}
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