diff options
Diffstat (limited to 'bch_bindgen/src/rs.rs')
-rw-r--r-- | bch_bindgen/src/rs.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/bch_bindgen/src/rs.rs b/bch_bindgen/src/rs.rs new file mode 100644 index 00000000..24594ae1 --- /dev/null +++ b/bch_bindgen/src/rs.rs @@ -0,0 +1,29 @@ +use anyhow::anyhow; +use crate::bcachefs; +use crate::bcachefs::*; +use crate::errcode::bch_errcode; + +pub fn read_super_opts( + path: &std::path::Path, + mut opts: bch_opts, +) -> anyhow::Result<bch_sb_handle> { + use std::os::unix::ffi::OsStrExt; + let path = std::ffi::CString::new(path.as_os_str().as_bytes()).unwrap(); + + let mut sb = std::mem::MaybeUninit::zeroed(); + + let ret = + unsafe { crate::bcachefs::bch2_read_super(path.as_ptr(), &mut opts, sb.as_mut_ptr()) }; + + if ret != 0 { + let err: bch_errcode = unsafe { ::std::mem::transmute(ret) }; + Err(anyhow!(err)) + } else { + Ok(unsafe { sb.assume_init() }) + } +} + +pub fn read_super(path: &std::path::Path) -> anyhow::Result<bch_sb_handle> { + let opts = bcachefs::bch_opts::default(); + read_super_opts(path, opts) +} |