reftable/block: merge `block_iter_seek()` and `block_reader_seek()`

The function `block_iter_seek()` is merely a simple wrapper around
`block_reader_seek()`. Merge those two functions into a new function
`block_iter_seek_key()` that more clearly says what it is actually
doing.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

4 files changed, 8 insertions, 16 deletions

diff --git a/reftable/block.c b/reftable/block.c
index 53ea92d04e..1015f9c04c 100644
--- a/reftable/block.c
+++ b/reftable/block.c
@@ -373,19 +373,14 @@ int block_reader_first_key(struct block_reader *br, struct strbuf *key)
 	return 0;
 }
 
-int block_iter_seek(struct block_iter *it, struct strbuf *want)
-{
-	return block_reader_seek(it->br, it, want);
-}
-
 void block_iter_close(struct block_iter *it)
 {
 	strbuf_release(&it->last_key);
 	strbuf_release(&it->scratch);
 }
 
-int block_reader_seek(struct block_reader *br, struct block_iter *it,
-		      struct strbuf *want)
+int block_iter_seek_key(struct block_iter *it, struct block_reader *br,
+			struct strbuf *want)
 {
 	struct restart_needle_less_args args = {
 		.needle = *want,
diff --git a/reftable/block.h b/reftable/block.h
index 44a9a8de7d..1734bee917 100644
--- a/reftable/block.h
+++ b/reftable/block.h
@@ -101,8 +101,8 @@ int block_reader_init(struct block_reader *br, struct reftable_block *bl,
 void block_iter_seek_start(struct block_iter *it, struct block_reader *br);
 
 /* Position `it` to the `want` key in the block */
-int block_reader_seek(struct block_reader *br, struct block_iter *it,
-		      struct strbuf *want);
+int block_iter_seek_key(struct block_iter *it, struct block_reader *br,
+			struct strbuf *want);
 
 /* Returns the block type (eg. 'r' for refs) */
 uint8_t block_reader_type(struct block_reader *r);
@@ -115,9 +115,6 @@ void block_iter_copy_from(struct block_iter *dest, struct block_iter *src);
 /* return < 0 for error, 0 for OK, > 0 for EOF. */
 int block_iter_next(struct block_iter *it, struct reftable_record *rec);
 
-/* Seek to `want` with in the block pointed to by `it` */
-int block_iter_seek(struct block_iter *it, struct strbuf *want);
-
 /* deallocate memory for `it`. The block reader and its block is left intact. */
 void block_iter_close(struct block_iter *it);
 
diff --git a/reftable/block_test.c b/reftable/block_test.c
index a719be7c50..26a9cfbc83 100644
--- a/reftable/block_test.c
+++ b/reftable/block_test.c
@@ -89,7 +89,7 @@ static void test_block_read_write(void)
 		strbuf_reset(&want);
 		strbuf_addstr(&want, names[i]);
 
-		n = block_reader_seek(&br, &it, &want);
+		n = block_iter_seek_key(&it, &br, &want);
 		EXPECT(n == 0);
 
 		n = block_iter_next(&it, &rec);
@@ -98,7 +98,7 @@ static void test_block_read_write(void)
 		EXPECT_STREQ(names[i], rec.u.ref.refname);
 
 		want.len--;
-		n = block_reader_seek(&br, &it, &want);
+		n = block_iter_seek_key(&it, &br, &want);
 		EXPECT(n == 0);
 
 		n = block_iter_next(&it, &rec);
diff --git a/reftable/reader.c b/reftable/reader.c
index d7d47e8640..f70efa2b7c 100644
--- a/reftable/reader.c
+++ b/reftable/reader.c
@@ -483,7 +483,7 @@ static int reader_seek_linear(struct table_iter *ti,
 		table_iter_copy_from(ti, &next);
 	}
 
-	err = block_iter_seek(&ti->bi, &want_key);
+	err = block_iter_seek_key(&ti->bi, ti->bi.br, &want_key);
 	if (err < 0)
 		goto done;
 	err = 0;
@@ -558,7 +558,7 @@ static int reader_seek_indexed(struct reftable_reader *r,
 		if (err != 0)
 			goto done;
 
-		err = block_iter_seek(&next.bi, &want_index.u.idx.last_key);
+		err = block_iter_seek_key(&next.bi, next.bi.br, &want_index.u.idx.last_key);
 		if (err < 0)
 			goto done;