55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
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/***
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*mbsninc.c - Increment MBCS string pointer by specified char count.
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*
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* Copyright (c) 1987-2001, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* Increment MBCS string pointer by specified char count.
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*
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*Revision History:
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* 11-19-92 KRS Ported from 16-bit sources.
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* 08-03-93 KRS Fix return value logic.
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* 10-05-93 GJF Replaced _CRTAPI1 with __cdecl.
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*
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*******************************************************************************/
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#ifdef _MBCS
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#include <cruntime.h>
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#include <mbdata.h>
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#include <mbstring.h>
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#include <stddef.h>
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/***
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*_mbsninc - Increment MBCS string pointer by specified char count.
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*
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*Purpose:
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* Increment the supplied string pointer by the specified number
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* of characters. MBCS characters are handled correctly.
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*
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*Entry:
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* const unsigned char *string = pointer to string
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* unsigned int ccnt = number of char to advance the pointer
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*
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*Exit:
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* Returns pointer after advancing it.
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* Returns pointer to end of string if string is not ccnt chars long.
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* Returns NULL is supplied pointer is NULL.
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*
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*Exceptions:
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*
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*******************************************************************************/
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unsigned char * __cdecl _mbsninc(
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const unsigned char *string,
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size_t ccnt
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)
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{
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if (string == NULL)
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return(NULL);
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return((char *)string + (unsigned int)_mbsnbcnt(string, ccnt));
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}
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#endif /* _MBCS */
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