SystemMonitor: Use u64 for disk sizes

This fixes SerenityOS#7288, which was being caused by unsigned 32-bit integer
overflow

Userland/Applications/SystemMonitor/main.cpp

@@ -487,42 +487,42 @@ NonnullRefPtr<GUI::Widget> build_file_systems_tab()
  [](const JsonObject& object) {
  StringBuilder size_builder;
  size_builder.append(" ");
- size_builder.append(human_readable_size(object.get("total_block_count").to_u32() * object.get("block_size").to_u32()));
+ size_builder.append(human_readable_size(object.get("total_block_count").to_u64() * object.get("block_size").to_u64()));
  size_builder.append(" ");
  return size_builder.to_string();
  },
  [](const JsonObject& object) {
- return object.get("total_block_count").to_u32() * object.get("block_size").to_u32();
+ return object.get("total_block_count").to_u64() * object.get("block_size").to_u64();
  },
  [](const JsonObject& object) {
- auto total_blocks = object.get("total_block_count").to_u32();
+ auto total_blocks = object.get("total_block_count").to_u64();
  if (total_blocks == 0)
  return 0;
- auto free_blocks = object.get("free_block_count").to_u32();
+ auto free_blocks = object.get("free_block_count").to_u64();
  auto used_blocks = total_blocks - free_blocks;
- int percentage = (int)((float)used_blocks / (float)total_blocks * 100.0f);
+ int percentage = (static_cast<double>(used_blocks) / static_cast<double>(total_blocks) * 100.0);
  return percentage;
  });
  df_fields.empend(
  "Used", Gfx::TextAlignment::CenterRight,
  [](const JsonObject& object) {
- auto total_blocks = object.get("total_block_count").to_u32();
- auto free_blocks = object.get("free_block_count").to_u32();
+ auto total_blocks = object.get("total_block_count").to_u64();
+ auto free_blocks = object.get("free_block_count").to_u64();
  auto used_blocks = total_blocks - free_blocks;
- return human_readable_size(used_blocks * object.get("block_size").to_u32()); },
+ return human_readable_size(used_blocks * object.get("block_size").to_u64()); },
  [](const JsonObject& object) {
- auto total_blocks = object.get("total_block_count").to_u32();
- auto free_blocks = object.get("free_block_count").to_u32();
+ auto total_blocks = object.get("total_block_count").to_u64();
+ auto free_blocks = object.get("free_block_count").to_u64();
  auto used_blocks = total_blocks - free_blocks;
- return used_blocks * object.get("block_size").to_u32();
+ return used_blocks * object.get("block_size").to_u64();
  });
  df_fields.empend(
  "Available", Gfx::TextAlignment::CenterRight,
  [](const JsonObject& object) {
- return human_readable_size(object.get("free_block_count").to_u32() * object.get("block_size").to_u32());
+ return human_readable_size(object.get("free_block_count").to_u64() * object.get("block_size").to_u64());
  },
  [](const JsonObject& object) {
- return object.get("free_block_count").to_u32() * object.get("block_size").to_u32();
+ return object.get("free_block_count").to_u64() * object.get("block_size").to_u64();
  });
  df_fields.empend("Access", Gfx::TextAlignment::CenterLeft, [](const JsonObject& object) {
  bool readonly = object.get("readonly").to_bool();