()
| 58 | #[cfg_attr(feature = "hotpath", hotpath::measure)] |
| 59 | #[allow(clippy::cast_precision_loss)] |
| 60 | pub fn get_root_disk_usage() -> Result<String, Error> { |
| 61 | let mut vfs = MaybeUninit::<StatfsBuf>::uninit(); |
| 62 | let path = b"/\0"; |
| 63 | |
| 64 | if unsafe { sys_statfs(path.as_ptr(), vfs.as_mut_ptr()) } != 0 { |
| 65 | return Err(Error::last_os_error()); |
| 66 | } |
| 67 | |
| 68 | let vfs = unsafe { vfs.assume_init() }; |
| 69 | #[allow(clippy::cast_sign_loss)] |
| 70 | let block_size = vfs.f_bsize as u64; |
| 71 | let total_blocks = vfs.f_blocks; |
| 72 | let available_blocks = vfs.f_bavail; |
| 73 | |
| 74 | let total_size = block_size * total_blocks; |
| 75 | let used_size = total_size - (block_size * available_blocks); |
| 76 | |
| 77 | let total_size = total_size as f64 / (1024.0 * 1024.0 * 1024.0); |
| 78 | let used_size = used_size as f64 / (1024.0 * 1024.0 * 1024.0); |
| 79 | let usage = (used_size / total_size) * 100.0; |
| 80 | |
| 81 | let no_color = crate::colors::is_no_color(); |
| 82 | let colors = Colors::new(no_color); |
| 83 | |
| 84 | let mut result = String::with_capacity(64); |
| 85 | |
| 86 | // Manual float formatting |
| 87 | write_float(&mut result, used_size, 2); |
| 88 | result.push_str(" GiB / "); |
| 89 | write_float(&mut result, total_size, 2); |
| 90 | result.push_str(" GiB ("); |
| 91 | result.push_str(colors.cyan); |
| 92 | write_float(&mut result, usage, 0); |
| 93 | result.push('%'); |
| 94 | result.push_str(colors.reset); |
| 95 | result.push(')'); |
| 96 | |
| 97 | Ok(result) |
| 98 | } |
| 99 | |
| 100 | /// Write a float to string with specified decimal places |
| 101 | #[allow( |
no test coverage detected