写注册表REG_BINARY，REG_DWORD，REG_SZ值，一个函数

#include <iostream>#include <windows.h>#include <shlwapi.h>#pragma comment(lib,"shlwapi.lib")using namespace std;inline BYTE CharToBin(TCHAR ch){if(ch>='0' && ch<='9')return ch - '0';if(ch>='a' && ch<='f')return ch - 'a' + 10;if(ch>='A' && ch<= 'F')return ch - 'A' + 10;return 0xff;}inline bool Hex2Bin(LPCTSTR lpHex,LPBYTE lpBin,DWORD &dwLen){LPCTSTR lpChar = lpHex;TCHAR char1 = *lpChar;TCHAR char2 = *(lpChar+1);if(!char1 || !char2)return false;LPBYTE lpOut = lpBin;DWORD inputBuf = dwLen;dwLen = 0;BYTE h = CharToBin(char1);BYTE l = CharToBin(char2);while(0xff != h && 0xff != l){*lpOut = l | h<<4;lpOut++;dwLen++;lpChar+=2;if(inputBuf<=dwLen)break;h = CharToBin(*lpChar);l = CharToBin(*(lpChar+1));}return true;}BOOL RegWrite(HKEY hKey,LPCSTR lpSubKey,LPCSTR lpValue,DWORD dwType,void* pData,DWORD dwLen){if(!pData)return FALSE;if(REG_BINARY == dwType){void* pBuffer = new BYTE[lstrlen((char*)pData)];memset(pBuffer,0,lstrlen((char*)pData));if(pBuffer){Hex2Bin((LPCTSTR)pData,(LPBYTE)pBuffer,dwLen);SHSetValue(hKey,lpSubKey,lpValue,REG_BINARY,pBuffer,dwLen);delete []pBuffer;}}else{if(REG_SZ == dwType){dwLen = lstrlen((const char*)pData);}else if(REG_DWORD == dwType)dwLen = 4;SHSetValue(hKey,lpSubKey,lpValue,dwType,pData,dwLen);}return TRUE;}void main(int argc,char*argv[]){ RegWrite(HKEY_LOCAL_MACHINE,"SOFTWARE//aaaa//","b",REG_BINARY,"123456abcdef",6); DWORD dwValue = 1234; RegWrite(HKEY_LOCAL_MACHINE,"SOFTWARE//aaaa//","c",REG_DWORD,&dwValue,4); RegWrite(HKEY_LOCAL_MACHINE,"SOFTWARE//aaaa//","d",REG_SZ,"asdfgh",0);}