cmd_list.rs: Finish list modes, delete cmd_list.c

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

1 files changed, 10 insertions, 0 deletions

diff --git a/rust-src/bch_bindgen/src/lib.rs b/rust-src/bch_bindgen/src/lib.rs
index d2b58511..86592c6b 100644
--- a/rust-src/bch_bindgen/src/lib.rs
+++ b/rust-src/bch_bindgen/src/lib.rs
@@ -157,3 +157,13 @@ impl FromStr for c::bpos {
         Ok(c::bpos { inode: ino, offset: off, snapshot: snp })
     }
 }
+
+pub fn printbuf_to_formatter<F>(f: &mut fmt::Formatter<'_>, func: F) -> fmt::Result
+    where F: Fn(*mut c::printbuf) {
+    let mut buf = c::printbuf::new();
+
+    func(&mut buf);
+
+    let s = unsafe { CStr::from_ptr(buf.buf) };
+    f.write_str(s.to_str().unwrap())
+}