252 lines
7.3 KiB
C
252 lines
7.3 KiB
C
|
/***
|
||
|
*toupper.c - convert character to uppercase
|
||
|
*
|
||
|
* Copyright (c) 1985-2001, Microsoft Corporation. All rights reserved.
|
||
|
*
|
||
|
*Purpose:
|
||
|
* Defines function versions of _toupper() and toupper().
|
||
|
*
|
||
|
*Revision History:
|
||
|
* 11-09-84 DFW created
|
||
|
* 12-11-87 JCR Added "_LOAD_DS" to declaration
|
||
|
* 02-23-89 GJF Added function version of _toupper and cleaned up.
|
||
|
* 03-26-89 GJF Migrated to 386 tree
|
||
|
* 03-06-90 GJF Fixed calling type, added #include <cruntime.h> and
|
||
|
* fixed copyright.
|
||
|
* 09-27-90 GJF New-style function declarators.
|
||
|
* 10-11-91 ETC Locale support for toupper under _INTL switch.
|
||
|
* 12-10-91 ETC Updated nlsapi; added multithread.
|
||
|
* 12-17-92 KRS Updated and optimized for latest NLSAPI. Bug-fixes.
|
||
|
* 01-19-93 CFW Fixed typo.
|
||
|
* 03-25-93 CFW _toupper now defined when _INTL.
|
||
|
* 04-06-93 SKS Replace _CRTAPI* with _cdecl
|
||
|
* 06-01-93 CFW Simplify "C" locale test.
|
||
|
* 06-02-93 SRW ignore _INTL if _NTSUBSET_ defined.
|
||
|
* 09-15-93 CFW Change buffer to unsigned char to fix nasty cast bug.
|
||
|
* 09-15-93 CFW Use ANSI conformant "__" names.
|
||
|
* 09-22-93 CFW Use __crtxxx internal NLS API wrapper.
|
||
|
* 09-28-93 GJF Merged NT SDK and Cuda versions.
|
||
|
* 11-09-93 CFW Add code page for __crtxxx().
|
||
|
* 01-14-94 SRW if _NTSUBSET_ defined call Rtl functions
|
||
|
* 09-06-94 CFW Remove _INTL switch.
|
||
|
* 10-18-94 BWT Fix build warning in NTSUBSET section.
|
||
|
* 10-17-94 GJF Sped up for C locale. Added _toupper_lk. Also,
|
||
|
* cleaned up pre-processor conditionals.
|
||
|
* 01-07-95 CFW Mac merge cleanup.
|
||
|
* 09-26-95 GJF New locking macro, and scheme, for functions which
|
||
|
* reference the locale.
|
||
|
* 04-01-96 BWT POSIX work.
|
||
|
* 06-25-96 GJF Removed DLL_FOR_WIN32S. Replaced defined(_WIN32) with
|
||
|
* !defined(_MAC). Polished the format a bit.
|
||
|
* 03-17-97 RDK Added error flag to __crtLCMapStringA.
|
||
|
* 08-27-98 GJF Revised multithread support based on threadlocinfo
|
||
|
* struct.
|
||
|
* 05-17-99 PML Remove all Macintosh support.
|
||
|
* 09-03-00 GB Modified for increased performance.
|
||
|
* 04-03-01 PML Reverse lead/trail bytes in composed char (vs7#232853)
|
||
|
*
|
||
|
*******************************************************************************/
|
||
|
|
||
|
#if defined(_NTSUBSET_) || defined(_POSIX_)
|
||
|
#include <nt.h>
|
||
|
#include <ntrtl.h>
|
||
|
#include <nturtl.h>
|
||
|
#endif
|
||
|
|
||
|
#include <cruntime.h>
|
||
|
#include <ctype.h>
|
||
|
#include <stddef.h>
|
||
|
#include <locale.h>
|
||
|
#include <setlocal.h>
|
||
|
#include <mtdll.h>
|
||
|
#include <awint.h>
|
||
|
|
||
|
/* remove macro definitions of _toupper() and toupper()
|
||
|
*/
|
||
|
#undef _toupper
|
||
|
#undef toupper
|
||
|
|
||
|
/* define function-like macro equivalent to _toupper()
|
||
|
*/
|
||
|
#define mkupper(c) ( (c)-'a'+'A' )
|
||
|
|
||
|
/***
|
||
|
*int _toupper(c) - convert character to uppercase
|
||
|
*
|
||
|
*Purpose:
|
||
|
* _toupper() is simply a function version of the macro of the same name.
|
||
|
*
|
||
|
*Entry:
|
||
|
* c - int value of character to be converted
|
||
|
*
|
||
|
*Exit:
|
||
|
* returns int value of uppercase representation of c
|
||
|
*
|
||
|
*Exceptions:
|
||
|
*
|
||
|
*******************************************************************************/
|
||
|
|
||
|
int __cdecl _toupper (
|
||
|
int c
|
||
|
)
|
||
|
{
|
||
|
return(mkupper(c));
|
||
|
}
|
||
|
|
||
|
|
||
|
/***
|
||
|
*int toupper(c) - convert character to uppercase
|
||
|
*
|
||
|
*Purpose:
|
||
|
* toupper() is simply a function version of the macro of the same name.
|
||
|
*
|
||
|
*Entry:
|
||
|
* c - int value of character to be converted
|
||
|
*
|
||
|
*Exit:
|
||
|
* if c is a lower case letter, returns int value of uppercase
|
||
|
* representation of c. otherwise, it returns c.
|
||
|
*
|
||
|
*Exceptions:
|
||
|
*
|
||
|
*******************************************************************************/
|
||
|
|
||
|
|
||
|
int __cdecl toupper (
|
||
|
int c
|
||
|
)
|
||
|
{
|
||
|
#if !defined(_NTSUBSET_) && !defined(_POSIX_)
|
||
|
|
||
|
#ifdef _MT
|
||
|
pthreadlocinfo ptloci = _getptd()->ptlocinfo;
|
||
|
|
||
|
if ( ptloci != __ptlocinfo )
|
||
|
ptloci = __updatetlocinfo();
|
||
|
|
||
|
return __toupper_mt(ptloci, c);
|
||
|
}
|
||
|
|
||
|
|
||
|
/***
|
||
|
*int __toupper_mt(ptloci, c) - convert character to uppercase
|
||
|
*
|
||
|
*Purpose:
|
||
|
* Multi-thread function! Non-locking version of toupper.
|
||
|
*
|
||
|
*Entry:
|
||
|
*
|
||
|
*Exit:
|
||
|
*
|
||
|
*Exceptions:
|
||
|
*
|
||
|
*******************************************************************************/
|
||
|
|
||
|
|
||
|
int __cdecl __toupper_mt (
|
||
|
pthreadlocinfo ptloci,
|
||
|
int c
|
||
|
)
|
||
|
{
|
||
|
|
||
|
#endif /* _MT */
|
||
|
|
||
|
int size;
|
||
|
unsigned char inbuffer[3];
|
||
|
unsigned char outbuffer[3];
|
||
|
|
||
|
#ifndef _MT
|
||
|
if ( __lc_handle[LC_CTYPE] == _CLOCALEHANDLE ||
|
||
|
(__lc_clike && (unsigned)c <= 0x7f))
|
||
|
return __ascii_toupper(c);
|
||
|
#else
|
||
|
if ( ptloci->lc_handle[LC_CTYPE] == _CLOCALEHANDLE ||
|
||
|
(ptloci->lc_clike && (unsigned)c <= 0x7f))
|
||
|
return __ascii_toupper(c);
|
||
|
#endif
|
||
|
|
||
|
/* if checking case of c does not require API call, do it */
|
||
|
if ( (unsigned)c < 256 ) {
|
||
|
#ifdef _MT
|
||
|
if ( !__islower_mt(ptloci, c) )
|
||
|
#else
|
||
|
if ( !islower(c) )
|
||
|
#endif
|
||
|
{
|
||
|
return c;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* convert int c to multibyte string */
|
||
|
#ifdef _MT
|
||
|
if ( __isleadbyte_mt(ptloci, c >> 8 & 0xff) ) {
|
||
|
#else
|
||
|
if ( isleadbyte(c >> 8 & 0xff) ) {
|
||
|
#endif
|
||
|
inbuffer[0] = (c >> 8 & 0xff); /* put lead-byte at start of str */
|
||
|
inbuffer[1] = (unsigned char)c;
|
||
|
inbuffer[2] = 0;
|
||
|
size = 2;
|
||
|
} else {
|
||
|
inbuffer[0] = (unsigned char)c;
|
||
|
inbuffer[1] = 0;
|
||
|
size = 1;
|
||
|
}
|
||
|
|
||
|
/* convert wide char to lowercase */
|
||
|
#ifdef _MT
|
||
|
if ( 0 == (size = __crtLCMapStringA( ptloci->lc_handle[LC_CTYPE],
|
||
|
#else
|
||
|
if ( 0 == (size = __crtLCMapStringA( __lc_handle[LC_CTYPE],
|
||
|
#endif
|
||
|
LCMAP_UPPERCASE,
|
||
|
inbuffer,
|
||
|
size,
|
||
|
outbuffer,
|
||
|
3,
|
||
|
#ifdef _MT
|
||
|
ptloci->lc_codepage,
|
||
|
#else
|
||
|
__lc_codepage,
|
||
|
#endif
|
||
|
TRUE)) )
|
||
|
{
|
||
|
return c;
|
||
|
}
|
||
|
|
||
|
/* construct integer return value */
|
||
|
if (size == 1)
|
||
|
return ((int)outbuffer[0]);
|
||
|
else
|
||
|
return ((int)outbuffer[1] | ((int)outbuffer[0] << 8));
|
||
|
|
||
|
#else /* def(_NTSUBSET_) || def(_POSIX_) */
|
||
|
|
||
|
{
|
||
|
NTSTATUS Status;
|
||
|
char *s = (char *) &c;
|
||
|
WCHAR Unicode;
|
||
|
ULONG UnicodeSize;
|
||
|
ULONG MultiSize;
|
||
|
UCHAR MultiByte[2];
|
||
|
|
||
|
Unicode = RtlAnsiCharToUnicodeChar( &s );
|
||
|
Status = RtlUpcaseUnicodeToMultiByteN( MultiByte,
|
||
|
sizeof( MultiByte ),
|
||
|
&MultiSize,
|
||
|
&Unicode,
|
||
|
sizeof( Unicode )
|
||
|
);
|
||
|
if (!NT_SUCCESS( Status ))
|
||
|
return c;
|
||
|
else
|
||
|
if (MultiSize == 1)
|
||
|
return ((int)MultiByte[0]);
|
||
|
else
|
||
|
return ((int)MultiByte[1] | ((int)MultiByte[0] << 8));
|
||
|
|
||
|
}
|
||
|
|
||
|
#endif /* def(_NTSUBSET_) || def(_POSIX_) */
|
||
|
}
|