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Diffstat (limited to 'libstore')
-rw-r--r--libstore/decode.c58
1 files changed, 22 insertions, 36 deletions
diff --git a/libstore/decode.c b/libstore/decode.c
index f16ace73..791f7a1a 100644
--- a/libstore/decode.c
+++ b/libstore/decode.c
@@ -31,13 +31,9 @@
/* Decodes the standard leaf encoding that's common to various builtin
formats, and calls CREATE to actually create the store. */
error_t
-store_default_leaf_decode (struct store_enc *enc,
- error_t (*create)(mach_port_t port,
- size_t block_size,
- const struct store_run *runs,
- size_t num_runs,
- struct store **store),
- struct store **store)
+store_std_leaf_decode (struct store_enc *enc,
+ store_std_leaf_create_t create,
+ struct store **store)
{
char *misc;
error_t err;
@@ -84,7 +80,7 @@ store_default_leaf_decode (struct store_enc *enc,
runs[i].start = *e++;
runs[i].length = *e++;
}
- err = (*create)(port, block_size, runs, num_runs, store);
+ err = (*create)(port, flags, block_size, runs, num_runs, store);
}
else
/* Ack. Too many runs to allocate the temporary RUNS array on the stack.
@@ -99,7 +95,7 @@ store_default_leaf_decode (struct store_enc *enc,
runs[i].start = *e++;
runs[i].length = *e++;
}
- err = (*create)(port, block_size, runs, num_runs, store);
+ err = (*create)(port, flags, block_size, runs, num_runs, store);
free (runs);
}
else
@@ -121,37 +117,27 @@ store_default_leaf_decode (struct store_enc *enc,
return err;
}
-/* Decode ENC, either returning a new store in STORE, or an error. If
- nothing else is to be done with ENC, its contents may then be freed using
- store_enc_dealloc. */
+/* Decode ENC, either returning a new store in STORE, or an error. CLASSES
+ defines the mapping from hurd storage class ids to store classes; if it is
+ 0, STORE_STD_CLASSES is used. If nothing else is to be done with ENC, its
+ contents may then be freed using store_enc_dealloc. */
error_t
-store_decode (struct store_enc *enc, struct store **store)
+store_decode (struct store_enc *enc, struct store_class *classes,
+ struct store **store)
{
if (enc->cur_int >= enc->num_ints)
/* The first int should always be the type. */
return EINVAL;
- switch (enc->ints[enc->cur_int])
- {
- case STORAGE_HURD_FILE:
- return store_default_leaf_decode (enc, _store_file_create, store);
- case STORAGE_DEVICE:
- return store_default_leaf_decode (enc, _store_device_create, store);
-#if 0
- case STORAGE_TASK:
- case STORAGE_MEMORY:
-
- case STORAGE_ILEAVE:
- return store_ileave_decode (enc, store);
- case STORAGE_CONCAT:
- return store_concat_decode (enc, store);
- case STORAGE_LAYER:
- return store_layer_decode (enc, store);
- case STORAGE_NULL:
- return store_null_decode (enc, store);
-#endif
-
- default:
- return EINVAL;
- }
+ if (! classes)
+ classes = store_std_classes;
+
+ while (classes)
+ if (classes->id == enc->ints[enc->cur_int])
+ if (classes->decode)
+ return (*classes->decode) (enc, classes, store);
+ else
+ return EOPNOTSUPP;
+
+ return EINVAL;
}