either case, return a pointer to BCACHE's copy of that string.
Since the cached value is ment to be read-only, return a const
buffer. */
-extern void *deprecated_bcache (const void *addr, int length,
- struct bcache *bcache);
extern const void *bcache (const void *addr, int length,
struct bcache *bcache);
+/* Like bcache, but if ADDED is not NULL, set *ADDED to true if the
+ bytes were newly added to the cache, or to false if the bytes were
+ found in the cache. */
+extern const void *bcache_full (const void *addr, int length,
+ struct bcache *bcache, int *added);
+
/* Free all the storage used by BCACHE. */
extern void bcache_xfree (struct bcache *bcache);