421 lines
9.9 KiB
C
421 lines
9.9 KiB
C
/*++
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*
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* WOW v1.0
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*
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* Copyright (c) 1991, Microsoft Corporation
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*
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* WULANG.C
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* WOW32 16-bit User API support
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*
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*
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* It thunks the win 3.x language functions to NT. These functions are
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* mainly used by the programs that are ported to various international
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* languages.
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*
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* History:
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* Created 19-April-1992 by Chandan Chauhan (ChandanC)
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*
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--*/
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#include "precomp.h"
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#pragma hdrstop
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MODNAME(wulang.c);
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/*++
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LPSTR AnsiLower(<lpString>)
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LPSTR <lpString>;
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The %AnsiLower% function converts the given character string to
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lowercase. The conversion is made by the language driver based on the
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criteria of the current language selected by the user at setup or with the
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Control Panel.
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<lpString>
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Points to a null-terminated string or specifies single character. If
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lpString specifies single character, that character is in the low-order
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byte of the low-order word, and the high-order word is zero.
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The return value points to a converted character string if the function
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parameter is a character string. Otherwise, it is a 32-bit value that
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contains the converted character in the low-order byte of the low-order
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word.
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--*/
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ULONG FASTCALL WU32AnsiLower(PVDMFRAME pFrame)
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{
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ULONG ul;
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PSZ psz1;
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register PANSILOWER16 parg16;
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GETARGPTR(pFrame, sizeof(ANSILOWER16), parg16);
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GETPSZIDPTR(parg16->f1, psz1);
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ul = GETLPSTRBOGUS(AnsiLower(psz1));
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if (HIWORD(psz1)) {
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ul = parg16->f1;
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}
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FREEPSZIDPTR(psz1);
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FREEARGPTR(parg16);
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RETURN(ul);
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}
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/*++
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WORD AnsiLowerBuff(<lpString>, <nLength>)
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LPSTR <lpString>;
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WORD <nLength>;
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The %AnsiLowerBuff% function converts character string in a buffer to
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lowercase. The conversion is made by the language driver based on the
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criteria of the current language selected by the user at setup or with the
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Control Panel.
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<lpString>
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Points to a buffer containing one or more characters.
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<nLength>
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Specifies the number of characters in the buffer identified by
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the <lpString> parameter. If <nLength> is zero, the length is
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64K (65,536).
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The return value specifies the length of the converted string.
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--*/
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ULONG FASTCALL WU32AnsiLowerBuff(PVDMFRAME pFrame)
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{
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ULONG ul;
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PBYTE pb1;
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register PANSILOWERBUFF16 parg16;
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GETARGPTR(pFrame, sizeof(ANSILOWERBUFF16), parg16);
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GETVDMPTR(parg16->f1, SIZETO64K(parg16->f2), pb1);
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ul = GETWORD16(AnsiLowerBuff(pb1, SIZETO64K(parg16->f2)));
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FLUSHVDMPTR(parg16->f1, SIZETO64K(parg16->f2), pb1);
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FREEVDMPTR(pb1);
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FREEARGPTR(parg16);
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RETURN(ul);
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}
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/*++
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LPSTR AnsiNext(<lpCurrentChar>)
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LPSTR <lpCurrentChar>;
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The %AnsiNext% function moves to the next character in a string.
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<lpCurrentChar>
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Points to a character in a null-terminated string.
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The return value points to the next character in the string, or, if there is
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no next character, to the null character at the end of the string.
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The %AnsiNext% function is used to move through strings whose characters are
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two or more bytes each (for example, strings that contain characters from a
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Japanese character set).
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--*/
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ULONG FASTCALL WU32AnsiNext(PVDMFRAME pFrame)
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{
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ULONG ul;
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PSZ psz1;
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register PANSINEXT16 parg16;
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DWORD ret;
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GETARGPTR(pFrame, sizeof(ANSINEXT16), parg16);
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GETPSZPTR(parg16->f1, psz1);
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ul = (ULONG) AnsiNext(psz1);
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ul = ul - (ULONG) psz1;
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ret = FETCHDWORD(parg16->f1);
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ul = MAKELONG((LOWORD(ret) + ul),HIWORD(ret));
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FREEPSZPTR(psz1);
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FREEARGPTR(parg16);
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RETURN(ul);
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}
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/*++
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LPSTR AnsiPrev(<lpStart>, <lpCurrentChar>)
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LPSTR <lpStart>;
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LPSTR <lpCurrentChar>;
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The %AnsiPrev% function moves to the previous character in a string.
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<lpStart>
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Points to the beginning of the string.
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<lpCurrentChar>
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Points to a character in a null-terminated string.
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The return value points to the previous character in the string, or to the
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first character in the string if the <lpCurrentChar> parameter is equal to
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the <lpStart> parameter.
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The %AnsiPrev% function is used to move through strings whose characters are
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two or more bytes each (for example, strings that contain characters from a
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Japanese character set).
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--*/
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ULONG FASTCALL WU32AnsiPrev(PVDMFRAME pFrame)
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{
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ULONG ul;
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PSZ psz1;
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PSZ psz2;
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register PANSIPREV16 parg16;
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DWORD ret;
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#ifdef FE_SB
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PSZ lpCurrent;
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#endif // FE_SB
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GETARGPTR(pFrame, sizeof(ANSIPREV16), parg16);
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GETPSZPTR(parg16->f1, psz1);
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GETPSZPTR(parg16->f2, psz2);
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#ifdef FE_SB
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if (GetSystemDefaultLangID() == 0x411) {
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lpCurrent = psz2;
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// New Win32 CharPrev code for SUR-FE
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// The following code is correct.
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// But some Japanese Windows application does not work
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// with it.
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// Jpanese WOW uses old code with bug.
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//
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// if (psz1 > psz2)
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// return psz1
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if (psz1 == psz2) {
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ul = (ULONG)psz1;
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goto PrevExit;
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}
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if (--lpCurrent == psz1) {
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ul = (ULONG)psz1;
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goto PrevExit;
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}
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// we assume lpCurrentChar never points the second byte
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// of double byte character
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// this check makes things a little bit faster [takaok]
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if (IsDBCSLeadByte(*lpCurrent)) {
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ul = (ULONG)lpCurrent-1;
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goto PrevExit;
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}
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do {
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lpCurrent--;
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if (!IsDBCSLeadByte(*lpCurrent)) {
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lpCurrent++;
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break;
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}
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} while(lpCurrent != psz1);
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ul = (ULONG)(psz2 - (((psz2 - lpCurrent) & 1) ? 1 : 2));
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}
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else
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ul = (ULONG) AnsiPrev(psz1, psz2);
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PrevExit:
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#else // !FE_SB
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ul = (ULONG) AnsiPrev(psz1, psz2);
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#endif // !FE_SB
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ul = (ULONG) psz2 - ul;
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ret = FETCHDWORD(parg16->f2);
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ul = MAKELONG((LOWORD(ret) - ul),HIWORD(ret));
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FREEPSZPTR(psz1);
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FREEPSZPTR(psz2);
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FREEARGPTR(parg16);
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RETURN(ul);
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}
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/*++
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LPSTR AnsiUpper(<lpString>)
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LPSTR <lpString>;
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The %AnsiUpper% function converts the given character string to
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uppercase. The conversion is made by the language driver based on the
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criteria of the current language selected by the user at setup or with the
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Control Panel.
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<lpString>
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Points to a null-terminated string or specifies single character. If
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lpString specifies a single character, that character is in the
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low-order byte of the low-order word, and the high-order word is zero.
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The return value points to a converted character string if the function
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parameter is a character string; otherwise, it is a 32-bit value that
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contains the converted character in the low-order byte of the low-order
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word.
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--*/
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ULONG FASTCALL WU32AnsiUpper(PVDMFRAME pFrame)
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{
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ULONG ul;
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PSZ psz1;
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register PANSIUPPER16 parg16;
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GETARGPTR(pFrame, sizeof(ANSIUPPER16), parg16);
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GETPSZIDPTR(parg16->f1, psz1);
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ul = GETLPSTRBOGUS(AnsiUpper(psz1));
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if (HIWORD(psz1)) {
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ul = parg16->f1;
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}
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FREEPSZIDPTR(psz1);
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FREEARGPTR(parg16);
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RETURN(ul);
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}
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/*++
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WORD AnsiUpperBuff(<lpString>, <nLength>)
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LPSTR <lpString>;
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WORD <nLength>;
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The %AnsiUpperBuff% function converts a character string in a buffer to
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uppercase. The conversion is made by the language driver based on the
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criteria of the current language selected by the user at setup or with the
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Control Panel.
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<lpString>
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Points to a buffer containing one or more characters.
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<nLength>
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Specifies the number of characters in the buffer identified by
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the <lpString> parameter. If <nLength> is zero, the length is 64K
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(65,536).
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The return value specifies the length of the converted string.
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--*/
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ULONG FASTCALL WU32AnsiUpperBuff(PVDMFRAME pFrame)
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{
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ULONG ul;
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PBYTE pb1;
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register PANSIUPPERBUFF16 parg16;
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GETARGPTR(pFrame, sizeof(ANSIUPPERBUFF16), parg16);
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GETVDMPTR(parg16->f1, SIZETO64K(parg16->f2), pb1);
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ul = GETWORD16(AnsiUpperBuff(pb1, SIZETO64K(parg16->f2)));
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FLUSHVDMPTR(parg16->f1, SIZETO64K(parg16->f2), pb1);
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FREEVDMPTR(pb1);
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FREEARGPTR(parg16);
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RETURN(ul);
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}
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ULONG FASTCALL WU32lstrcmp(PVDMFRAME pFrame)
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{
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ULONG ul;
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PSZ psz1;
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PSZ psz2;
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register PLSTRCMP16 parg16;
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GETARGPTR(pFrame, sizeof(LSTRCMP16), parg16);
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GETPSZPTR(parg16->f1, psz1);
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GETPSZPTR(parg16->f2, psz2);
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ul = GETINT16(lstrcmp(psz1, psz2));
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FREEPSZPTR(psz1);
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FREEPSZPTR(psz2);
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FREEARGPTR(parg16);
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RETURN(ul);
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}
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ULONG FASTCALL WU32lstrcmpi(PVDMFRAME pFrame)
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{
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ULONG ul;
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PSZ psz1;
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PSZ psz2;
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register PLSTRCMPI16 parg16;
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GETARGPTR(pFrame, sizeof(LSTRCMPI16), parg16);
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GETPSZPTR(parg16->f1, psz1);
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GETPSZPTR(parg16->f2, psz2);
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ul = GETINT16(lstrcmpi(psz1, psz2));
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FREEPSZPTR(psz1);
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FREEPSZPTR(psz2);
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FREEARGPTR(parg16);
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RETURN(ul);
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}
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ULONG FASTCALL WU32IsCharAlpha(PVDMFRAME pFrame)
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{
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ULONG ul;
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register PISCHARALPHA16 parg16;
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GETARGPTR(pFrame, sizeof(ISCHARALPHA16), parg16);
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ul = GETBOOL16(IsCharAlpha(CHAR32(parg16->f1)));
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FREEARGPTR(parg16);
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RETURN(ul);
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}
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ULONG FASTCALL WU32IsCharAlphaNumeric(PVDMFRAME pFrame)
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{
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ULONG ul;
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register PISCHARALPHANUMERIC16 parg16;
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GETARGPTR(pFrame, sizeof(ISCHARALPHANUMERIC16), parg16);
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ul = GETBOOL16(IsCharAlphaNumeric(CHAR32(parg16->f1)));
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FREEARGPTR(parg16);
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RETURN(ul);
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}
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ULONG FASTCALL WU32IsCharLower(PVDMFRAME pFrame)
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{
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ULONG ul;
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register PISCHARLOWER16 parg16;
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GETARGPTR(pFrame, sizeof(ISCHARLOWER16), parg16);
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ul = GETBOOL16(IsCharLower(CHAR32(parg16->f1)));
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FREEARGPTR(parg16);
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RETURN(ul);
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}
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ULONG FASTCALL WU32IsCharUpper(PVDMFRAME pFrame)
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{
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ULONG ul;
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register PISCHARUPPER16 parg16;
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GETARGPTR(pFrame, sizeof(ISCHARUPPER16), parg16);
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ul = GETBOOL16(IsCharUpper(CHAR32(parg16->f1)));
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FREEARGPTR(parg16);
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RETURN(ul);
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}
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