自学教程：C++ wcschr函数代码示例

int ProcessBuffer(unsigned char* buffer, const char *section, const CONFENTRY *entrydef, const int entrycount, int* result, unsigned char* config, int maxbufsize){	int done = FALSE;	int len;	if (TestBuffer(buffer)==UTF_16)	{		//TODO Do wide char with the ANSI 		wchar_t *result1, *result2;		result1 = (wchar_t*)buffer;		if (section!=NULL)		{			//TODO Find a solution to the problem of different charactersets			//result1 = FindSectionW(result1, section);			if (result2==NULL)				return NO_SECTION;			result2 = FindSectionEndW(result1);			if (result2!=NULL)				result2[0] = 0;		}		while(!done)		{			result1 = wcschr(result1, L'*');			if (result1!=NULL)			{				//TODO maybe do more checks				result1+=1;				result2 = wcschr(result1, L'=');				if (result2!=NULL)				{					*result2 = 0;					result2++;				}				else					done = TRUE;				result1 = ProcessKeyW(entrydef, entrycount, result, result1, result2, config);				if (result1==NULL)					done = TRUE;			}		}	}	else	{		char *result1, *result2;		result1 = (char*)buffer;		if (section != NULL)		{			result1 = FindSectionA(result1, section, NULL);			if (result2==NULL)				return NO_SECTION;			result2 = FindSectionEndA(result1);			if (result2 != NULL)				result2[0] = 0;		}		/*			Processes every key - a key starts with a * and ends with a =			till it reaches the end of the buffer - or there is no data to be processed			The key should be in ASCII - for highes compatibility		*/		while(!done)		{			result1 = strchr(result1, L'*');			if (result1!=NULL)			{				//TODO maybe do more checks				if (result1[-1]=='/n')				{					result1+=1;					result2 = strchr(result1, L'=');					if (result2!=NULL)					{						*result2 = 0;						result2++;					}					else						done = TRUE;					result1 = ProcessKeyA(entrydef, entrycount, result, own_strtolower(result1), result2, config);					if (result1==NULL)						done = TRUE;				}				else					result1++;			}			else				break;		}	}	return 0;}

void CWE134_Uncontrolled_Format_String__wchar_t_connect_socket_fprintf_68_bad(){    wchar_t * data;    wchar_t dataBuffer[100] = L"";    data = dataBuffer;    {#ifdef _WIN32        WSADATA wsaData;        int wsaDataInit = 0;#endif        int recvResult;        struct sockaddr_in service;        wchar_t *replace;        SOCKET connectSocket = INVALID_SOCKET;        size_t dataLen = wcslen(data);        do        {#ifdef _WIN32            if (WSAStartup(MAKEWORD(2,2), &wsaData) != NO_ERROR)            {                break;            }            wsaDataInit = 1;#endif            /* POTENTIAL FLAW: Read data using a connect socket */            connectSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);            if (connectSocket == INVALID_SOCKET)            {                break;            }            memset(&service, 0, sizeof(service));            service.sin_family = AF_INET;            service.sin_addr.s_addr = inet_addr(IP_ADDRESS);            service.sin_port = htons(TCP_PORT);            if (connect(connectSocket, (struct sockaddr*)&service, sizeof(service)) == SOCKET_ERROR)            {                break;            }            /* Abort on error or the connection was closed, make sure to recv one             * less char than is in the recv_buf in order to append a terminator */            /* Abort on error or the connection was closed */            recvResult = recv(connectSocket, (char *)(data + dataLen), sizeof(wchar_t) * (100 - dataLen - 1), 0);            if (recvResult == SOCKET_ERROR || recvResult == 0)            {                break;            }            /* Append null terminator */            data[dataLen + recvResult / sizeof(wchar_t)] = L'/0';            /* Eliminate CRLF */            replace = wcschr(data, L'/r');            if (replace)            {                *replace = L'/0';            }            replace = wcschr(data, L'/n');            if (replace)            {                *replace = L'/0';            }        }        while (0);        if (connectSocket != INVALID_SOCKET)        {            CLOSE_SOCKET(connectSocket);        }#ifdef _WIN32        if (wsaDataInit)        {            WSACleanup();        }#endif    }    CWE134_Uncontrolled_Format_String__wchar_t_connect_socket_fprintf_68_badData = data;    CWE134_Uncontrolled_Format_String__wchar_t_connect_socket_fprintf_68b_badSink();}

/* * The main function implements a loader for applications which use UNO. * * <p>This code runs on the Windows platform only.</p> * * <p>The main function detects a UNO installation on the system and adds the * program directory of the UNO installation to the PATH environment variable. * After that, the application process is loaded and started, whereby the * new process inherits the environment of the calling process, including * the modified PATH environment variable. The application's executable name * must be the same as the name of this executable, prefixed by '_'.</p> * * <p>A UNO installation can be specified by the user by setting the UNO_PATH * environment variable to the program directory of the UNO installation. * If no installation is specified by the user, the default installation on * the system will be taken. The default installation is read from the * default value of the key "Software/LibreOffice/UNO/InstallPath" from the * root key HKEY_CURRENT_USER in the Windows Registry. If this key is missing, * the key is read from the root key HKEY_LOCAL_MACHINE.</p> */int WINAPI wWinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,                    LPWSTR lpCmdLine, int nCmdShow ){    (void) hInstance; /* unused */    (void) hPrevInstance; /* unused */    (void) nCmdShow; /* unused */    /* get the path of the UNO installation */    wchar_t* path = getPath();    if ( path != NULL )    {        wchar_t cmd[            MY_LENGTH(L"/"") + MAX_PATH +            MY_LENGTH(L"//unoinfo.exe/" c++")];            /* hopefully does not overflow */        cmd[0] = L'"';        wcscpy(cmd + 1, path);        if (wcschr(cmd + 1, L'"') != NULL) {            free(path);            writeError("Error: bad characters in UNO installation path!/n");            closeErrorFile();            return 1;        }        size_t pathsize = wcslen(cmd);        wcscpy(            cmd + pathsize,            &L"//unoinfo.exe/" c++"[                pathsize == 1 || cmd[pathsize - 1] != L'//' ? 0 : 1]);        SECURITY_ATTRIBUTES sec;        sec.nLength = sizeof (SECURITY_ATTRIBUTES);        sec.lpSecurityDescriptor = NULL;        sec.bInheritHandle = TRUE;        HANDLE stdoutRead;        HANDLE stdoutWrite;        HANDLE temp;        if (CreatePipe(&temp, &stdoutWrite, &sec, 0) == 0 ||            DuplicateHandle(                GetCurrentProcess(), temp, GetCurrentProcess(), &stdoutRead, 0,                FALSE, DUPLICATE_CLOSE_SOURCE | DUPLICATE_SAME_ACCESS) == 0)        {            free(path);            writeError("Error: CreatePipe/DuplicateHandle failed!/n");            closeErrorFile();            return 1;        }        STARTUPINFOW startinfo;        PROCESS_INFORMATION procinfo;        memset(&startinfo, 0, sizeof(startinfo));        startinfo.cb = sizeof(startinfo);        startinfo.lpDesktop = L"";        startinfo.dwFlags = STARTF_USESTDHANDLES;        startinfo.hStdOutput = stdoutWrite;        BOOL ret = CreateProcessW(            NULL, cmd, NULL, NULL, TRUE, 0, NULL, NULL, &startinfo, &procinfo);        if (ret != FALSE) {            // Release result of GetPath()            free(path);            char * buf = NULL;            char * tmp;            DWORD n = 1000;            DWORD k = 0;            DWORD exitcode;            CloseHandle(stdoutWrite);            CloseHandle(procinfo.hThread);            for (;;) {                DWORD m;                tmp = realloc(buf, n);                if (tmp == NULL) {                    free(buf);                    writeError(                        "Error: out of memory reading unoinfo output!/n");                    closeErrorFile();                    return 1;                }                buf = tmp;                if (!ReadFile(stdoutRead, buf + k, n - k, &m, NULL))                {                    DWORD err = GetLastError();//.........这里部分代码省略.........

void bad(){    wchar_t * data;    wchar_t dataBuffer[FILENAME_MAX] = BASEPATH;    data = dataBuffer;    if(GLOBAL_CONST_FIVE==5)    {        {#ifdef _WIN32            WSADATA wsaData;            int wsaDataInit = 0;#endif            int recvResult;            struct sockaddr_in service;            wchar_t *replace;            SOCKET listenSocket = INVALID_SOCKET;            SOCKET acceptSocket = INVALID_SOCKET;            size_t dataLen = wcslen(data);            do            {#ifdef _WIN32                if (WSAStartup(MAKEWORD(2,2), &wsaData) != NO_ERROR)                {                    break;                }                wsaDataInit = 1;#endif                /* POTENTIAL FLAW: Read data using a listen socket */                listenSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);                if (listenSocket == INVALID_SOCKET)                {                    break;                }                memset(&service, 0, sizeof(service));                service.sin_family = AF_INET;                service.sin_addr.s_addr = INADDR_ANY;                service.sin_port = htons(TCP_PORT);                if (bind(listenSocket, (struct sockaddr*)&service, sizeof(service)) == SOCKET_ERROR)                {                    break;                }                if (listen(listenSocket, LISTEN_BACKLOG) == SOCKET_ERROR)                {                    break;                }                acceptSocket = accept(listenSocket, NULL, NULL);                if (acceptSocket == SOCKET_ERROR)                {                    break;                }                /* Abort on error or the connection was closed */                recvResult = recv(acceptSocket, (char *)(data + dataLen), sizeof(wchar_t) * (FILENAME_MAX - dataLen - 1), 0);                if (recvResult == SOCKET_ERROR || recvResult == 0)                {                    break;                }                /* Append null terminator */                data[dataLen + recvResult / sizeof(wchar_t)] = L'/0';                /* Eliminate CRLF */                replace = wcschr(data, L'/r');                if (replace)                {                    *replace = L'/0';                }                replace = wcschr(data, L'/n');                if (replace)                {                    *replace = L'/0';                }            }            while (0);            if (listenSocket != INVALID_SOCKET)            {                CLOSE_SOCKET(listenSocket);            }            if (acceptSocket != INVALID_SOCKET)            {                CLOSE_SOCKET(acceptSocket);            }#ifdef _WIN32            if (wsaDataInit)            {                WSACleanup();            }#endif        }    }    {        ifstream inputFile;        /* POTENTIAL FLAW: Possibly opening a file without validating the file name or path */        inputFile.open((char *)data);        inputFile.close();    }}

/****************************************************************************** *                                                                            * * Function: zbx_win_getversion                                               * *                                                                            * * Purpose: get Windows version information                                   * *                                                                            * ******************************************************************************/const OSVERSIONINFOEX		*zbx_win_getversion(){#	define ZBX_REGKEY_VERSION		"SOFTWARE//Microsoft//Windows NT//CurrentVersion"#	define ZBX_REGVALUE_CURRENTVERSION	"CurrentVersion"#	define ZBX_REGVALUE_CURRENTBUILDNUMBER	"CurrentBuildNumber"#	define ZBX_REGVALUE_CSDVERSION		"CSDVersion"#	define ZBX_REGKEY_PRODUCT		"System//CurrentControlSet//Control//ProductOptions"#	define ZBX_REGVALUE_PRODUCTTYPE		"ProductType"	static OSVERSIONINFOEX	vi = {sizeof(OSVERSIONINFOEX)};	OSVERSIONINFOEX		*pvi = NULL;	HKEY			h_key_registry = NULL;	wchar_t			*key_value = NULL, *ptr;	if (0 != vi.dwMajorVersion)		return &vi;	if (ERROR_SUCCESS != RegOpenKeyEx(HKEY_LOCAL_MACHINE, TEXT(ZBX_REGKEY_VERSION), 0, KEY_READ, &h_key_registry))	{		zabbix_log(LOG_LEVEL_DEBUG, "failed to open registry key '%s'", ZBX_REGKEY_VERSION);		goto out;	}	if (NULL == (key_value = read_registry_value(h_key_registry, TEXT(ZBX_REGVALUE_CURRENTVERSION))))	{		zabbix_log(LOG_LEVEL_DEBUG, "failed to read registry value '%s'", ZBX_REGVALUE_CURRENTVERSION);		goto out;	}	if (NULL != (ptr = wcschr(key_value, TEXT('.'))))	{		*ptr++ = L'/0';		vi.dwMinorVersion = _wtoi(ptr);	}	vi.dwMajorVersion = _wtoi(key_value);	zbx_free(key_value);	if (6 > vi.dwMajorVersion || 2 > vi.dwMinorVersion)	{		GetVersionEx((OSVERSIONINFO *)&vi);	}	else	{		if (NULL != (key_value = read_registry_value(h_key_registry, TEXT(ZBX_REGVALUE_CSDVERSION))))		{			wcscpy_s(vi.szCSDVersion, sizeof(vi.szCSDVersion) / sizeof(*vi.szCSDVersion), key_value);			zbx_free(key_value);		}		if (NULL == (key_value = read_registry_value(h_key_registry, TEXT(ZBX_REGVALUE_CURRENTBUILDNUMBER))))		{			zabbix_log(LOG_LEVEL_DEBUG, "failed to read registry value '%s'",					ZBX_REGVALUE_CURRENTBUILDNUMBER);			goto out;		}		vi.dwBuildNumber = _wtoi(key_value);		zbx_free(key_value);		RegCloseKey(h_key_registry);		h_key_registry = NULL;		if (ERROR_SUCCESS != RegOpenKeyEx(HKEY_LOCAL_MACHINE, TEXT(ZBX_REGKEY_PRODUCT), 0, KEY_READ,				&h_key_registry))		{			zabbix_log(LOG_LEVEL_DEBUG, "failed to open registry key '%s'", ZBX_REGKEY_PRODUCT);			goto out;		}		if (NULL == (key_value = read_registry_value(h_key_registry, TEXT(ZBX_REGVALUE_PRODUCTTYPE))))		{			zabbix_log(LOG_LEVEL_DEBUG, "failed to read registry value '%s'", ZBX_REGVALUE_PRODUCTTYPE);			goto out;		}		if (0 == wcscmp(key_value, L"WinNT"))			vi.wProductType = 1;		else if (0 == wcscmp(key_value, L"LenmanNT"))			vi.wProductType = 2;		else if (0 == wcscmp(key_value, L"ServerNT"))			vi.wProductType = 3;		zbx_free(key_value);		vi.dwPlatformId = VER_PLATFORM_WIN32_NT;	}	pvi = &vi;//.........这里部分代码省略.........

BOOLEANvfatIsLongIllegal(WCHAR c){  return wcschr(long_illegals, c) ? TRUE : FALSE;}

int DriveMng::SetDriveID(const WCHAR *_root){	if (!_root || !_root[0]) return -1;	WCHAR	root[MAX_PATH];	int		idx = -1;	::CharUpperW(wcscpy(root, _root));	if (root[1] == ':') {		idx = DrvLetterToIndex(root[0]);		if (idx < 0 || idx >= MAX_LOCAL_DRIVES) return -1;	} else {		// ネットワ
C++ wcscpy_c函数代码示例
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