file_read.cpp 2023-12-08

#include <file.hpp>

#include <fstream>




std::vector<char> file_readBin(const std::string& filePath){
  //open file in binary mode, preemptively seeking to eof
  std::ifstream file(filePath, std::ios::binary | std::ios::ate);
  if(!file.is_open()) throw "File failed to open";


  std::streamsize fileSize = file.tellg(); //size of file, in bytes
  file.seekg(0, std::ios::beg); //seek to start of file


  //read file data into a newly-created buffer
  std::vector<char> buffer(static_cast<std::size_t>(fileSize));
  if(!file.read(buffer.data(), fileSize)) throw "File couldn't be read from";


  return buffer;
}