#include "utilities.h"

#include <fstream>

#include "precomp.h"

namespace veng {
bool streq(gsl::czstring left, gsl::czstring right) {
  return std::strcmp(left, right) == 0;
}
std::vector<std::uint8_t> ReadFile(std::filesystem::path shader_path) {
  if (!std::filesystem::exists(shader_path)) return {};
  if (!std::filesystem::is_regular_file(shader_path)) return {};

  std::ifstream file(shader_path, std::ios::binary);

  if (!file.is_open()) return {};

  std::uintmax_t file_size = std::filesystem::file_size(shader_path);
  if (file_size > std::numeric_limits<std::uint32_t>::max()) return {};  // 방어

  std::uint32_t size = static_cast<std::uint32_t>(file_size);
  std::vector<std::uint8_t> buffer(size);
  file.read(reinterpret_cast<char*>(buffer.data()), size);

  return buffer;
}
}  // namespace veng