text: /**
   * Copyright (c) 2011, 2012
   * Claudio Kopper <claudio.kopper@icecube.wisc.edu>
   * and the IceCube Collaboration <http://www.icecube.wisc.edu>
   *
   * Permission to use, copy, modify, and/or distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
   * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
   * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
   * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   *
   *
   * $Id: I3CLSimHelperLoadProgramSource.h 108199 2013-07-12 21:33:08Z nwhitehorn $
   *
   * @file I3CLSimHelperLoadProgramSource.h
   * @version $Revision: 108199 $
   * @date $Date: 2013-07-12 15:33:08 -0600 (Fri, 12 Jul 2013) $
   * @author Claudio Kopper
   */
  
  #ifndef I3CLSIMHELPERLOADPROGRAMSOURCE_H_INCLUDED
  #define I3CLSIMHELPERLOADPROGRAMSOURCE_H_INCLUDED
  
  #include <string>
  #include <stdexcept>
  #include <cstdio>
  
  namespace I3CLSimHelper
  {
      inline std::string LoadProgramSource(const std::string &filename)
      {
          // open the OpenCL source code file
          FILE* pFileStream = fopen(filename.c_str(), "rb");
          if (pFileStream == 0) 
          {       
              throw std::runtime_error("Could not open source file.");
          }
          
          // get the length of the source code
          fseek(pFileStream, 0, SEEK_END); 
          std::size_t szSourceLength = ftell(pFileStream);
          fseek(pFileStream, 0, SEEK_SET); 
          
          // allocate a buffer for the source code string and read it in
          char* cSourceString = (char *)malloc(szSourceLength + 1); 
          if (fread((cSourceString), szSourceLength, 1, pFileStream) != 1)
          {
              fclose(pFileStream);
              free(cSourceString);
              throw std::runtime_error("Could not load source file.");
          }
          
          // close the file and return the total length of the combined (preamble + source) string
          fclose(pFileStream);
  
          cSourceString[szSourceLength] = '\0';
  
          std::string retString(cSourceString, szSourceLength);
          free(cSourceString);
  
          return retString;
      }
      
  
  
  };
  
  #endif //I3CLSIMHELPERLOADPROGRAMSOURCE_H_INCLUDED
  