// base/kaldi-utils.cc
  // Copyright 2009-2011   Karel Vesely;  Yanmin Qian;  Microsoft Corporation
  
  // See ../../COPYING for clarification regarding multiple authors
  //
  // 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
  
  // THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  // KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
  // WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
  // MERCHANTABLITY OR NON-INFRINGEMENT.
  // See the Apache 2 License for the specific language governing permissions and
  // limitations under the License.
  
  #ifdef _WIN32_WINNT_WIN8
  #include <Synchapi.h>
  #elif defined(_WIN32) || defined(_MSC_VER) || defined(MINGW)
  #include <Windows.h>
  #if defined(_MSC_VER) && _MSC_VER < 1900
  #define snprintf _snprintf
  #endif /* _MSC_VER < 1900 */
  #else
  #include <unistd.h>
  #endif
  
  #include <string>
  #include "base/kaldi-common.h"
  
  
  namespace kaldi {
  
  std::string CharToString(const char &c) {
    char buf[20];
    if (std::isprint(c))
      snprintf(buf, sizeof(buf), "\'%c\'", c);
    else
      snprintf(buf, sizeof(buf), "[character %d]", static_cast<int>(c));
    return (std::string) buf;
  }
  
  void Sleep(float seconds) {
  #if defined(_MSC_VER) || defined(MINGW)
    ::Sleep(static_cast<int>(seconds * 1000.0));
  #elif defined(__CYGWIN__)
    sleep(static_cast<int>(seconds));
  #else
    usleep(static_cast<int>(seconds * 1000000.0));
  #endif
  }
  
  }  // end namespace kaldi