text: /*
   * Copyright (c) 2016-2018, NVIDIA CORPORATION. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *  * Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *  * Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *  * Neither the name of NVIDIA CORPORATION nor the names of its
   *    contributors may be used to endorse or promote products derived
   *    from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
   * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
   * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include <sys/time.h>
  #include <stddef.h>
  #include <cerrno>
  
  #include <stdio.h>
  
  #include "Util.h"
  #include "Error.h"
  #include "string.h"
  
  namespace ArgusSamples
  {
  
  TimeValue getCurrentTime()
  {
      struct timeval val;
  
      gettimeofday(&val, NULL);
  
      return
          TimeValue::fromUSec(val.tv_usec) +
          TimeValue::fromSec(static_cast<TimeValue::SecType>(val.tv_sec));
  }
  
  bool validateOutputPath(const char* filename)
  {
      // Test ability to write to indicated filename
      FILE *fp = fopen(filename,"w");
      if (fp)
      {
          fclose(fp);
          return true;
      }
      else
      {
          fprintf(stderr, "--------------------------------------------------------------------\n");
          fprintf(stderr, "Failure to open file '%s' for writing.\n", filename);
          fprintf(stderr, "Error return code:%d (%s)\n", errno, strerror(errno));
          if (errno == EACCES)
          {
              fprintf(stderr, "Use command line parameter --outputpath to\n");
              fprintf(stderr, "point to a directory you have permission to write into.\n");
  #ifdef __ANDROID__
              fprintf(stderr, "As in: argus_camera --outputpath='/sdcard/DCIM' -s1 -x\n");
  #else
              fprintf(stderr, "As in: argus_camera --outputpath='/tmp' -s1 -x\n");
  #endif
          }
          fprintf(stderr, "--------------------------------------------------------------------\n");
          return false;
      }
  }
  
  }; // namespace ArgusSamples
  