bcachefs-tools/rust-src/src/lib.rs
Kent Overstreet e0e06d95f8 Rust: Start of cmd_list rewrite
This is a _very_ preliminary rewrite of the cmd_list tool in rust, which
is intended to be a testing ground for a safe interface in Rust to the
core btree interface. This adds rust wrappers for:

bch_fs:		provides bch2_fs_open(), bch2_fs_stop
btree_trans:	provides bch2_trans_init(), bch2_trans_exit()
btree_iter:	provides peek, peek_and_restart, advance
bch_errcode:	implements Display (wraps bch2_err_str())
bpos:		implements Ord (wraps bpos_cmp())
bkey_s_c:	implements Display (wraps bch2_bkey_val_to_text())

and other assorted types.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-02-27 21:45:42 -05:00

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Rust

pub mod key;
pub mod cmd_mount;
pub mod cmd_list;
#[macro_export]
macro_rules! c_str {
($lit:expr) => {
unsafe {
std::ffi::CStr::from_ptr(concat!($lit, "\0").as_ptr() as *const std::os::raw::c_char)
.to_bytes_with_nul()
.as_ptr() as *const std::os::raw::c_char
}
};
}
#[derive(Debug)]
struct ErrnoError(errno::Errno);
impl std::fmt::Display for ErrnoError {
fn fmt(&self, f: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
self.0.fmt(f)
}
}
impl std::error::Error for ErrnoError {}