Function bytes_to_readable

src/mydefs.cpp:512–529

Converts a byte count into a human-readable value and unit

/// Converts a byte count into a human-readable value and unit
void bytes_to_readable(size_t bytes, double* value_out, const char** unit_out) {
  double value = (double)bytes;
  const char* unit = "Bytes";

  if (bytes >= (1ULL << 30)) {  // 1 GB
    value = value / (1ULL << 30);
    unit = "GB";
  } else if (bytes >= (1ULL << 20)) {  // 1 MB
    value = value / (1ULL << 20);
    unit = "MB";
  } else if (bytes >= (1ULL << 10)) {  // 1 KB
    value = value / (1ULL << 10);
    unit = "KB";
  }

  if (value_out) *value_out = value;
  if (unit_out) *unit_out = unit;
}

/// Returns the amount of currently available physical RAM in bytes
/// Note that this value is only a snapshot.