66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
/***
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*toupper.c - convert character to uppercase
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*
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* Copyright (c) 1985-1991, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* Defines function versions of _toupper() and toupper().
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*
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*Revision History:
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* 11-09-84 DFW created
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* 12-11-87 JCR Added "_LOAD_DS" to declaration
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* 02-23-89 GJF Added function version of _toupper and cleaned up.
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* 03-26-89 GJF Migrated to 386 tree
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* 03-06-90 GJF Fixed calling type, added #include <cruntime.h> and
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* fixed copyright.
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* 09-27-90 GJF New-style function declarators.
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* 10-11-91 ETC Locale support for toupper under _INTL switch.
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* 12-10-91 ETC Updated nlsapi; added multithread.
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* 12-17-92 KRS Updated and optimized for latest NLSAPI. Bug-fixes.
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* 01-19-93 CFW Fixed typo.
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* 03-25-93 CFW _toupper now defined when _INTL.
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* 06-02-93 SRW ignore _INTL if _NTSUBSET_ defined.
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* 09-15-93 CFW Change buffer to unsigned char to fix nasty cast bug.
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* 01-14-94 SRW if _NTSUBSET_ defined call Rtl functions
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* 11-14-95 JAE Use Win32 API
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*
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*******************************************************************************/
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#include <windows.h>
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#include <cruntime.h>
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/* remove macro definitions of _toupper() and toupper()
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*/
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#undef _toupper
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#undef toupper
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/* define function-like macro equivalent to _toupper()
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*/
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#define mkupper(c) ( (c)-'a'+'A' )
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/***
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*int toupper(c) - convert character to uppercase
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*
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*Purpose:
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* toupper() is simply a function version of the macro of the same name.
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*
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*Entry:
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* c - int value of character to be converted
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*
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*Exit:
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* if c is a lower case letter, returns int value of uppercase
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* representation of c. otherwise, it returns c.
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*
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*Exceptions:
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*
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*******************************************************************************/
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int _CALLTYPE1 toupper (
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int c
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)
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{
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return (int)CharUpper ((LPTSTR)c);
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}
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