2001-12-26 Roland McGrath <roland@frob.com>

	* unknown.c: New file.
	* Makefile (SRCS): Add it.
	* store.h (store_unknown_class, store_unknown_decode): Declare them.
	* create.c (store_create): If store_decode fails with EINVAL,
	and we were called with the STORE_NO_FILEIO flag bit set,
	then use store_unknown_decode.

1 files changed, 9 insertions, 0 deletions

diff --git a/libstore/store.h b/libstore/store.h
index 0f13f96f..6fc77950 100644
--- a/libstore/store.h
+++ b/libstore/store.h
@@ -428,6 +428,14 @@ error_t store_url_open (const char *name, int flags,
 			const struct store_class *const *classes,
 			struct store **store);
 
+/* Return a new store of type "unknown" that holds a copy of the
+   given encoding.  The name of the store is taken from ENC->data.
+   Future calls to store_encode/store_return will produce exactly
+   the encoding supplied here.  All i/o operations fail with EFTYPE.  */
+error_t store_unknown_decode (struct store_enc *enc,
+			      const struct store_class *const *classes,
+			      struct store **store);
+
 /* Return a new store in STORE that interleaves all the stores in STRIPES
    (NUM_STRIPES of them) every INTERLEAVE bytes; INTERLEAVE must be an
    integer multiple of each stripe's block size.  The stores in STRIPES are
@@ -534,6 +542,7 @@ extern const struct store_class store_gunzip_class;
 extern const struct store_class store_bunzip2_class;
 extern const struct store_class store_typed_open_class;
 extern const struct store_class store_url_open_class;
+extern const struct store_class store_unknown_class;
 
 /* The following are not included in STORE_STD_CLASSES.  */
 extern const struct store_class store_mvol_class;