| // SPDX-License-Identifier: GPL-2.0 |
| |
| /// Converts a null-terminated byte slice to a string, or `None` if the array does not |
| /// contains any null byte or contains invalid characters. |
| /// |
| /// Contrary to [`kernel::str::CStr::from_bytes_with_nul`], the null byte can be anywhere in the |
| /// slice, and not only in the last position. |
| pub(crate) fn str_from_null_terminated(bytes: &[u8]) -> Option<&str> { |
| use kernel::str::CStr; |
| |
| bytes |
| .iter() |
| .position(|&b| b == 0) |
| .and_then(|null_pos| CStr::from_bytes_with_nul(&bytes[..=null_pos]).ok()) |
| .and_then(|cstr| cstr.to_str().ok()) |
| } |
