text: // SPDX-License-Identifier: Apache-2.0
  
  /*
   * Copyright 2020-2022 Joel E. Anderson
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  /* this must be included first to avoid errors */
  #include "private/windows_wrapper.h"
  
  #include <stddef.h>
  #include <stdio.h>
  #include "private/config/windows_get_now_supported.h"
  #include "private/formatter.h"
  
  size_t
  windows_get_now( char *buffer ) {
    SYSTEMTIME now_st;
    int sprintf_result;
  
    GetSystemTime( &now_st );
  
    sprintf_result = sprintf_s( buffer,
                                RFC_5424_TIMESTAMP_BUFFER_SIZE,
                                "%04d-%02d-%02dT%02d:%02d:%02d.%03dZ",
                                now_st.wYear,
                                now_st.wMonth,
                                now_st.wDay,
                                now_st.wHour,
                                now_st.wMinute,
                                now_st.wSecond,
                                now_st.wMilliseconds );
  
    return sprintf_result < 0 ? 0 : sprintf_result;
  }
  