Merge pull request #74 from jbaublitz/blkid-verify

Add blkid_verify

src/cache.rs

@@ -150,6 +150,16 @@ impl BlkidCache {
         })?;
         Ok(BlkidDev::new(ptr))
     }
+
+    /// Verify that a device in the cache exists and remove it if it does not.
+    pub fn verify(&mut self, dev: BlkidDev) -> Option<BlkidDev> {
+        let ptr = unsafe { libblkid_rs_sys::blkid_verify(self.0, dev.as_ptr()) };
+        if ptr.is_null() {
+            None
+        } else {
+            Some(BlkidDev::new(ptr))
+        }
+    }
 }
 
 impl Drop for BlkidCache {

src/dev.rs

@@ -29,6 +29,10 @@ impl BlkidDev {
         BlkidDev(inner)
     }
 
+    pub(crate) fn as_ptr(&self) -> libblkid_rs_sys::blkid_dev {
+        self.0
+    }
+
     /// Get the device name for a blkid device
     pub fn devname(&self) -> Result<PathBuf> {
         let ret = errno_ptr!(unsafe { libblkid_rs_sys::blkid_dev_devname(self.0) })?;

src/lib.rs

@@ -20,11 +20,6 @@
 //!   characters are required.
 //! * `blkid_get_dev_size` - This method takes a `&Path` in the bindings
 //!   and provides libblkid with the desired file descriptor.
-//!
-//! ### List of methods not included
-//! * `blkid_verify` - This method is not included because the struct flag
-//!   that will notify the caller of whether it succeeded or not cannot be accessed
-//!   from the public API.
 
 #![deny(missing_docs)]