/* * Copyright (c) 2003 Rozhuk Ivan * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ #if !defined(AFX_BUFFTOLOWERCASE__H__INCLUDED_) #define AFX_BUFFTOLOWERCASE__H__INCLUDED_ #if _MSC_VER > 1000 #pragma once #endif // _MSC_VER > 1000 __inline BOOL BuffToLowerCase(LPCVOID lpcOutBuff,LPCVOID lpcBuff,SIZE_T dwLen) { BOOL bRet=TRUE; #if defined(_WIN64) || !defined(_WIN32) if (lpcOutBuff && lpcBuff && dwLen) { BYTE bt; LPBYTE lpbtIn=(LPBYTE)lpcBuff,lpbtOut=(LPBYTE)lpcOutBuff; for(SIZE_T i=dwLen;i;i--) { bt=(*(lpbtIn++)); if (bt>='A' && bt<='Z') bt|=32; (*(lpbtOut++))=bt; } } #else __asm { mov ecx,dwLen test ecx,ecx jz short end_func push ebx // сохраняем регистр push edi // сохраняем регистр push esi // сохраняем регистр mov esi,lpcBuff mov edi,lpcOutBuff mov bl,'A' mov bh,'Z' mov ah,32 cld lowcaseloop: lodsb cmp al,bl jl short savebyte cmp al,bh jg short savebyte or al,ah savebyte: stosb dec ecx jnz short lowcaseloop pop esi // восстанавливаем содержимое регистра pop edi // восстанавливаем содержимое регистра pop ebx // восстанавливаем содержимое регистра end_func: } #endif return(bRet); } #endif // !defined(AFX_BUFFTOLOWERCASE__H__INCLUDED_)