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76 lines
1.5 KiB
76 lines
1.5 KiB
/***
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*mbsset.asm - Sets all charcaters of string to given character (MBCS)
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*
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* Copyright (c) 1985-1992, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* Sets all charcaters of string to given character (MBCS)
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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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* 08-20-93 CFW Change short params to int for 32-bit tree.
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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 <mbctype.h>
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#include <mbstring.h>
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/***
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* mbsset - Sets all charcaters of string to given character (MBCS)
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*
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*Purpose:
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* Sets all of characters in string (except the terminating '/0'
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* character) equal to the supplied character. Handles MBCS
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* chars correctly.
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*
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*Entry:
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* unsigned char *string = string to modify
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* unsigned int val = value to fill string with
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*
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*Exit:
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* returns string = now filled with the specified char
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*
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*Uses:
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*
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*Exceptions:
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*
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*******************************************************************************/
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unsigned char * _CRTAPI1 _mbsset( string, val )
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unsigned char *string;
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unsigned int val;
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{
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unsigned char *start = string;
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unsigned char highval, lowval;
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if (highval = (unsigned char) (val>>8)) {
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/* 2-byte value */
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lowval = (unsigned char)(val & 0x00ff);
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while (*string) {
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*string++ = highval;
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if (*string)
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*string++ = lowval;
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else
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/* don't orphan lead byte */
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string[-1] = ' ';
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}
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}
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else {
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/* single byte value */
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while (*string)
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*string++ = (unsigned char)val;
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}
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return(start);
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}
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#endif /* _MBCS */
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