自学教程：C++ sprintf_s函数代码示例

BOOL GameObject::GetObjStat ( char * sStr, int iLen ){	sprintf_s (sStr, iLen, "Obj type /'%s/'/nObj name /'%s/'/nPOS /'[%f,%f,%f]/'/n", Class->Name.c_str (), Name.c_str(),GetPosition().x,GetPosition().y,GetPosition().z);	return TRUE;}

DWORD GetModuleFileNameA(HMODULE hModule, LPSTR lpFilename, DWORD nSize){#if defined(__linux__)	int status;	int length;	char path[64];	if (!hModule)	{		char buffer[4096];		sprintf_s(path, ARRAYSIZE(path), "/proc/%d/exe", getpid());		status = readlink(path, buffer, sizeof(buffer));		if (status < 0)		{			SetLastError(ERROR_INTERNAL_ERROR);			return 0;		}		buffer[status] = '/0';		length = strlen(buffer);		if (length < nSize)		{			CopyMemory(lpFilename, buffer, length);			lpFilename[length] = '/0';			return length;		}		CopyMemory(lpFilename, buffer, nSize - 1);		lpFilename[nSize - 1] = '/0';		SetLastError(ERROR_INSUFFICIENT_BUFFER);		return nSize;	}#elif defined(__MACOSX__)	int status;	int length;	if (!hModule)	{		char path[4096];		char buffer[4096];		uint32_t size = sizeof(path);		status = _NSGetExecutablePath(path, &size);		if (status != 0)		{			/* path too small */			SetLastError(ERROR_INTERNAL_ERROR);			return 0;		}		/*		 * _NSGetExecutablePath may not return the canonical path,		 * so use realpath to find the absolute, canonical path.		 */		realpath(path, buffer);		length = strlen(buffer);		if (length < nSize)		{			CopyMemory(lpFilename, buffer, length);			lpFilename[length] = '/0';			return length;		}		CopyMemory(lpFilename, buffer, nSize - 1);		lpFilename[nSize - 1] = '/0';		SetLastError(ERROR_INSUFFICIENT_BUFFER);		return nSize;	}#endif	WLog_ERR(TAG, "%s is not implemented", __FUNCTION__);	SetLastError(ERROR_CALL_NOT_IMPLEMENTED);	return 0;}

DWORD EnumDisplayModes(int config_width,                       int config_height,                       int config_bpp,                       bool config_windowed,                       DisplayModeList& list) {  list.clear();  LPDIRECT3D9 d3d = Direct3DCreate9(D3D_SDK_VERSION);  CONFIRM(d3d) else return -1;  D3DDISPLAYMODE d3ddm_current;  d3d->GetAdapterDisplayMode(D3DADAPTER_DEFAULT, &d3ddm_current);  DWORD current_mode = -1, config_mode = -1, best_windowed_mode = -1;  typedef std::set<std::pair<int,int>> WindowedModes;  WindowedModes windowed_modes;  static const D3DFORMAT ALLOWED_FORMATS[] = { D3DFMT_X1R5G5B5, D3DFMT_R5G6B5, D3DFMT_R8G8B8, D3DFMT_X8R8G8B8 };  static const int ALLOWED_FORMAT_BPP[] = { 15, 16, 24, 32 };  static const int ALLOWED_FORMAT_COUNT = 4;  for (int format = 0; format < ALLOWED_FORMAT_COUNT; ++format) {    DWORD modes = d3d->GetAdapterModeCount(D3DADAPTER_DEFAULT, ALLOWED_FORMATS[format]);    DWORD best_windowed_mode_area = 0;    DisplayMode dm;    dm.bpp = ALLOWED_FORMAT_BPP[format];    for (DWORD i =0; i < modes; ++i) {      D3DDISPLAYMODE d3ddm;      d3d->EnumAdapterModes(D3DADAPTER_DEFAULT, ALLOWED_FORMATS[format], i, &d3ddm);      if (d3ddm.Width < 800 || d3ddm.Height < 600) continue; // throw out low resolutions      dm.width = d3ddm.Width;      dm.height = d3ddm.Height;      { // kick out ridiculously widescreen formats        const float aspect_ratio = (float)d3ddm.Width / (float)d3ddm.Height;        if (aspect_ratio > 2.0f) continue;      }      if (d3ddm_current.Width == d3ddm.Width &&          d3ddm_current.Height == d3ddm.Height &&          d3ddm_current.Format == d3ddm.Format) {        current_mode = list.size();      }      if (config_width == dm.width &&          config_height == dm.height &&          config_bpp == dm.bpp &&          config_windowed == false) {        config_mode = list.size();      }      char text[256];      dm.windowed = false;      sprintf_s(text, 256, "fullscreen : %i x %i (%i-bit color)", dm.width, dm.height, dm.bpp);      dm.text = text;      list.push_back(dm);      DWORD area = dm.width * dm.height;      WindowedModes::value_type wm_value(dm.width, dm.height);      if (area <= (1280*1024) && // only add lower resolutions as windowed modes          windowed_modes.find(wm_value) == windowed_modes.end()) { // prevent duplication        windowed_modes.insert(wm_value);        dm.windowed = true;        sprintf_s(text, 256, "windowed : %i x %i", dm.width, dm.height);        dm.text = text;        if (best_windowed_mode_area < area) {          best_windowed_mode = list.size();        }        if (config_width == dm.width &&            config_height == dm.height &&            config_windowed == true) {          config_mode = list.size();        }        list.push_back(dm);      }    }  }  d3d->Release();  if (config_mode < list.size()) return config_mode;  if (current_mode < list.size()) return current_mode;  return best_windowed_mode;}

void CZQIniFile::WriteInteger(char* szSection, char* szKey, int iValue){	char szValue[255];	sprintf_s(szValue, 255,"%d", iValue);	WritePrivateProfileString((LPCSTR)szSection, (LPCSTR)szKey, (LPCSTR)szValue, (LPCSTR)m_szFileName);}

//// Update Headpose in Game.//void FTNoIR_Protocol::sendHeadposeToGame( THeadPoseData *headpose, THeadPoseData *rawheadpose ) {int no_bytes;QHostAddress sender;quint16 senderPort;PDWORD_PTR MsgResult = 0;#ifdef SEND_ASCII_DATAchar data[100];#endif	//	// Copy the Raw measurements directly to the client.	//	FlightData.x = headpose->x;	FlightData.y = headpose->y;	FlightData.z = headpose->z;	FlightData.p = headpose->pitch;	FlightData.h = headpose->yaw;	FlightData.r = headpose->roll;	FlightData.status = fg_cmd;	//	// Try to send an UDP-message to the FlightGear	//#ifdef SEND_ASCII_DATA	sprintf_s(data, "%.2f %.2f %.2f %.2f %.2f %.2f/n/0", FlightData.x, FlightData.y, FlightData.z, FlightData.p, FlightData.h, FlightData.r);	if (outSocket != 0) {		no_bytes = outSocket->writeDatagram((const char *) &data, strlen( data ), destIP, destPort);		if ( no_bytes > 0) {		qDebug() << "FGServer::writePendingDatagrams says: bytes send =" << data;		}		else {			qDebug() << "FGServer::writePendingDatagrams says: nothing sent!";		}	}#endif	#ifdef LOG_OUTPUT	//	Use this for some debug-output to file...	QFile datafile(QCoreApplication::applicationDirPath() + "//FG_output.txt");	if (datafile.open(QFile::WriteOnly | QFile::Append)) {		QTextStream out(&datafile);		out << "output:/t" << FlightData.x << "/t" << FlightData.y << "/t" << FlightData.z << "/t" << FlightData.p << "/t" << FlightData.h << "/t" << FlightData.r << '/n';	}	#endif	#ifndef SEND_ASCII_DATA	//! [1]//	no_bytes = outSocket->writeDatagram((const char *) &FlightData, sizeof( FlightData ), QHostAddress::LocalHost, 5550);	if (outSocket != 0) {		no_bytes = outSocket->writeDatagram((const char *) &FlightData, sizeof( FlightData ), destIP, destPort);		if ( no_bytes > 0) {	//		qDebug() << "FGServer::writePendingDatagrams says: bytes send =" << no_bytes << sizeof( double );		}		else {			qDebug() << "FGServer::writePendingDatagrams says: nothing sent!";		}	}	#endif	//	// FlightGear keeps sending data, so we must read that here.	//	if (inSocket != 0) {		while (inSocket->hasPendingDatagrams()) {			QByteArray datagram;			datagram.resize(inSocket->pendingDatagramSize());			inSocket->readDatagram( (char * ) &cmd, sizeof(cmd), &sender, &senderPort);			fg_cmd = cmd;									// Let's just accept that command for now...			if ( cmd > 0 ) {				qDebug() << "FGServer::sendHeadposeToGame hasPendingDatagrams, cmd = " << cmd;//				headTracker->handleGameCommand ( cmd );		// Send it upstream, for the Tracker to handle			}			if (!blnConnectionActive) {				blnConnectionActive = true;				if (hMainWindow != NULL) {					SendMessageTimeout( (HWND) hMainWindow, RegisterWindowMessageA(FT_PROGRAMID), 0, 0, 0, 2000, MsgResult);				}			}		}	}}

void SetupHooks() {	logInfo("Setting up hooks.");	if(hooksSetup) return;	HMODULE d3dMod = GetModuleHandle("d3d9.dll");	if(d3dMod == NULL) {		ErrorMsg("GetModuleHandle(d3d9.dll)");		return;	}	HMODULE d3dxMod = LoadLibrary("d3dx9_43.dll");	if(d3dxMod == NULL) {		ErrorMsg("LoadLibrary(d3dx9_43.dll)");		return;	}	HMODULE winmmMod = LoadLibrary("winmm.dll");	if(winmmMod == NULL) {		ErrorMsg("LoadLibrary(winmm.dll)");		return;	}	D3DCreate = (pDirect3DCreate9)GetProcAddress(d3dMod, "Direct3DCreate9");	if(D3DCreate == NULL) {		ErrorMsg("GetProcAddress(d3dMod, /"Direct3DCreate9/")");		return;	}	oPlaySound = (pPlaySoundA)GetProcAddress(winmmMod, "PlaySoundA");	if(oPlaySound == NULL) {		ErrorMsg("GetProcAddress(winmmMod, /"PlaySoundA/")");		return;	}	oD3DXCreateFont = (pD3DXCreateFont)GetProcAddress(d3dxMod, "D3DXCreateFontA");	if(oD3DXCreateFont == NULL) {		ErrorMsg("GetProcAddress(d3dxMod, /"D3DXCreateFontA/")");		return;	}	oD3DXCreateLine = (pD3DXCreateLine)GetProcAddress(d3dxMod, "D3DXCreateLine");	if(oD3DXCreateLine == NULL) {		ErrorMsg("GetProcAddress(d3dxMod, /"D3DXCreateLine/")");		return;	}	// Create a dummy window to call CreateDevice on    HWND hwnd;	hwnd = CreateWindow("BUTTON", "APMAlertDummyWindow", 0, 0, 0, 27, 27, NULL, NULL, hInstance, NULL);	if(hwnd == NULL) {		ErrorMsg("CreateWindow");		return;	}    //UpdateWindow(hwnd);	IDirect3D9 *pD3D = D3DCreate(D3D_SDK_VERSION);	if(pD3D == NULL) {		ErrorMsg("Direct3DCreate9");		return;	}	D3DDISPLAYMODE d3ddm;	HRESULT hRes = pD3D->GetAdapterDisplayMode(D3DADAPTER_DEFAULT, &d3ddm);	if(FAILED(hRes)) { 		char errorMsg[512];		const char * dxErrorStr = DXGetErrorString(hRes);		sprintf_s(errorMsg, 512, "GetAdapterDisplayMode returned 0x%08x: %s", hRes, dxErrorStr);		logError(errorMsg);		goto cleanup;	}	D3DPRESENT_PARAMETERS d3dpp;     ZeroMemory( &d3dpp, sizeof(d3dpp));    d3dpp.Windowed = true;    d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;    d3dpp.BackBufferFormat = d3ddm.Format;	IDirect3DDevice9 * ppD3DDevice;	hRes = pD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hwnd,						D3DCREATE_SOFTWARE_VERTEXPROCESSING | D3DCREATE_DISABLE_DRIVER_MANAGEMENT,						&d3dpp, &ppD3DDevice);	if(FAILED(hRes)) {		char errorMsg[512];		const char * dxErrorStr = DXGetErrorString(hRes);		sprintf_s(errorMsg, 512, "CreateDevice returned 0x%08x: %s", hRes, dxErrorStr);		logError(errorMsg);		goto cleanup;	}	// Get our function pointers from the virtual table	// This pointer dereferencing works because the virtual table is the first item in memory	//  of the every object	void ** vTable = *((void***)ppD3DDevice);	// Access the function pointers we need	addrEndScene = vTable[42]; // EndScene is the 43rd function (you can just count in the interface decl in the header)	/*	char path_d3d9_dll[MAX_PATH];	GetSystemDirectory(path_d3d9_dll, MAX_PATH);		strncat_s(path_d3d9_dll, MAX_PATH, "//d3d9.dll", 10);	SIZE_T offset = (unsigned int)addrEndScene - (unsigned int)GetModuleHandle(path_d3d9_dll);	printf("EndScene() Addr: 0x%08x -- SC2.exe!d3d9.dll+0x%x/n", addrEndScene, offset);	*///.........这里部分代码省略.........

tUInt32 DAXAudio::WriteSound(string host,tUInt32 port,tByte* data,tUInt32 size){	if (!_player)		return 0;#ifdef SPEEX_CODE	tByte frame[BLOCK_SIZE]={0};	int voicesize = *((tUInt32*)(data));	int timestamp = *((tUInt32*)(data+4));	if (timestamp % FRAME_SIZE != 0)	{		LOGWARNING("DAXAudio::WriteSound:Currupted data with timestamp "<<timestamp<<" from "<<host<<"::"<<port<<",abandon the data!");		return 0;	}	if (voicesize!=size-8)	{		LOGWARNING("DAXAudio::WriteSound:Currupted data from "<<host<<" for "<<voicesize<<"!="<<size<<"-8,abandon the data!");		return 0;	}#ifdef USING_JITTER	// find the right jitter and stored the data into	// check if player can playmore,if yes, get a frame from all jitters and merge them	// write the merged data into player.	tByte from[100]={0};	sprintf_s((char*)from,100,"%s::%u",host.c_str(),port);	tFromJitterMapIter iter = _from_jitter_map.find(from);	if (iter==_from_jitter_map.end())	{		LOGWARNING("DAXAudio::WriteSound:From "<<from<<" is not registered,abandon the data!");		return 0;	}	speex_jitter_put(iter->second,(char*)(data+8),size-8,timestamp);	if (_player->ReadyForPlayMore())	{		GetMergedFramFromJitters(frame,BLOCK_SIZE);		_player->WriteSound(frame,BLOCK_SIZE);		return size;	}	else	{		LOGWARNING("DAXAudio::WriteSound:Player is busy,wait a momment...");		return 0;	}#else		if (_converter->Decode(data+8,size-8,frame,BLOCK_SIZE))		if(_player->WriteSound(frame,BLOCK_SIZE))			return size;	return 0;#endif	//USING_JITTER#else	// just for test, of course coded and sent.	//if (_player->ReadyForPlayMore())		return _player->WriteSound(data,size);	//else	//	return 0;#endif	//SPEEX_CODE}

void oEvent::generatePreReport(gdioutput &gdi){  CurrentSortOrder=SortByName;  Runners.sort();  int lVacId = getVacantClub();  oRunnerList::iterator r_it;  oTeamList::iterator t_it;  //BIB, START, NAME, CLUB, RANK, SI  int dx[6]={0, 0, 70, 300, 470, 470};  bool withrank = hasRank();  bool withbib = hasBib(true, true);  int i;  if (withrank) dx[5]+=50;  if (withbib) for(i=1;i<6;i++) dx[i]+=40;  int y=gdi.getCY();  int x=gdi.getCX();  int lh=gdi.getLineHeight();  gdi.addStringUT(2, lang.tl("Rapport inf
C++ sprintf_safe函数代码示例
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