Merge branch 'ps/reftable-api-revamp'

Overhaul of the reftable API.

* ps/reftable-api-revamp:
  reftable/table: move printing logic into test helper
  reftable/constants: make block types part of the public interface
  reftable/table: introduce iterator for table blocks
  reftable/table: add `reftable_table` to the public interface
  reftable/block: expose a generic iterator over reftable records
  reftable/block: make block iterators reseekable
  reftable/block: store block pointer in the block iterator
  reftable/block: create public interface for reading blocks
  git-zlib: use `struct z_stream_s` instead of typedef
  reftable/block: rename `block_reader` to `reftable_block`
  reftable/block: rename `block` to `block_data`
  reftable/table: move reading block into block reader
  reftable/block: simplify how we track restart points
  reftable/blocksource: consolidate code into a single file
  reftable/reader: rename data structure to "table"
  reftable: fix formatting of the license header

1 files changed, 9 insertions, 1 deletions

diff --git a/reftable/reftable-basics.h b/reftable/reftable-basics.h
index e0397ed583..6d73f19c85 100644
--- a/reftable/reftable-basics.h
+++ b/reftable/reftable-basics.h
@@ -4,13 +4,21 @@
  * Use of this source code is governed by a BSD-style
  * license that can be found in the LICENSE file or at
  * https://developers.google.com/open-source/licenses/bsd
-*/
+ */
 
 #ifndef REFTABLE_BASICS_H
 #define REFTABLE_BASICS_H
 
 #include <stddef.h>
 
+/* A buffer that contains arbitrary byte slices. */
+struct reftable_buf {
+	size_t alloc;
+	size_t len;
+	char *buf;
+};
+#define REFTABLE_BUF_INIT { 0 }
+
 /*
  * Hash functions understood by the reftable library. Note that the values are
  * arbitrary and somewhat random such that we can easily detect cases where the