73 lines
1.3 KiB
C
73 lines
1.3 KiB
C
/***
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*mbtoupr.c - Convert character to upper case (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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* Convert character to upper case (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 <ctype.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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* _mbctoupper - Convert character to upper case (MBCS)
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*
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*Purpose:
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* If the given character is lower case, convert to upper case.
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* Handles MBCS chars correctly.
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*
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* Note: Use test against 0x00FF instead of _ISLEADBYTE
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* to ensure that we don't call SBCS routine with a two-byte
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* value.
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*
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*Entry:
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* unsigned int c = character to convert
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*
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*Exit:
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* Returns converted character
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*
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*Exceptions:
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*
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*******************************************************************************/
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unsigned int _CRTAPI1 _mbctoupper(
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unsigned int c
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)
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{
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#ifdef _MBCS_OS
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if (c > 0x00FF)
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return(c);
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else
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return((unsigned int)toupper((int)c));
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#else
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if (c > 0x00FF) {
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if ( (_mbascii) &&
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((c >= _MBLOWERLOW) && (c <= _MBLOWERHIGH))
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)
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c -= _MBCASEDIFF;
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}
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else
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return((unsigned int)toupper((int)c));
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#endif
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}
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#endif /* _MBCS */
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