52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
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/***
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*wcslen.c - contains wcslen() routine
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*
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* Copyright (c) 1985-2001, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* wcslen returns the length of a null-terminated wide-character string,
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* not including the null wchar_t itself.
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*
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*Revision History:
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* 09-09-91 ETC Created from strlen.c.
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* 04-07-92 KRS Updated and ripped out _INTL switches.
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* 04-06-93 SKS Replace _CRTAPI* with __cdecl
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* 02-07-94 CFW POSIXify.
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*
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*******************************************************************************/
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#ifndef _POSIX_
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#include <cruntime.h>
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#include <string.h>
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/***
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*wcslen - return the length of a null-terminated wide-character string
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*
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*Purpose:
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* Finds the length in wchar_t's of the given string, not including
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* the final null wchar_t (wide-characters).
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*
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*Entry:
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* const wchar_t * wcs - string whose length is to be computed
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*
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*Exit:
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* length of the string "wcs", exclusive of the final null wchar_t
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*
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*Exceptions:
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*
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*******************************************************************************/
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size_t __cdecl wcslen (
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const wchar_t * wcs
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)
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{
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const wchar_t *eos = wcs;
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while( *eos++ ) ;
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return( (size_t)(eos - wcs - 1) );
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}
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#endif /* _POSIX_ */
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