Exemplos de vsprintfW em C++ (Cpp)

Exemplo n.º 1

static int hostname_vprintfW(const WCHAR *msg, va_list va_args)
{
    int wlen;
    DWORD count, ret;
    WCHAR msg_buffer[8192];

    wlen = vsprintfW(msg_buffer, msg, va_args);

    ret = WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE), msg_buffer, wlen, &count, NULL);
    if (!ret)
    {
        DWORD len;
        char *msgA;

        len = WideCharToMultiByte(GetConsoleOutputCP(), 0, msg_buffer, wlen,
            NULL, 0, NULL, NULL);
        msgA = HeapAlloc(GetProcessHeap(), 0, len);
        if (!msgA)
            return 0;

        WideCharToMultiByte(GetConsoleOutputCP(), 0, msg_buffer, wlen, msgA, len,
            NULL, NULL);
        WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), msgA, len, &count, FALSE);
        HeapFree(GetProcessHeap(), 0, msgA);
    }

    return count;
}

Exemplo n.º 2

static int reg_printfW(const WCHAR *msg, ...)
{
    va_list va_args;
    int wlen;
    DWORD count, ret;
    WCHAR msg_buffer[8192];

    va_start(va_args, msg);
    vsprintfW(msg_buffer, msg, va_args);
    va_end(va_args);

    wlen = lstrlenW(msg_buffer);
    ret = WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE), msg_buffer, wlen, &count, NULL);
    if (!ret)
    {
        DWORD len;
        char  *msgA;

        len = WideCharToMultiByte(GetConsoleOutputCP(), 0, msg_buffer, wlen,
                                  NULL, 0, NULL, NULL);
        msgA = HeapAlloc(GetProcessHeap(), 0, len * sizeof(char));
        if (!msgA)
            return 0;

        WideCharToMultiByte(GetConsoleOutputCP(), 0, msg_buffer, wlen, msgA, len,
                            NULL, NULL);
        WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), msgA, len, &count, FALSE);
        HeapFree(GetProcessHeap(), 0, msgA);
    }

    return count;
}