pack: move get_size_from_delta()

Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 0 insertions, 39 deletions

diff --git a/sha1_file.c b/sha1_file.c
index 24f424956..38c108456 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -1101,45 +1101,6 @@ int parse_sha1_header(const char *hdr, unsigned long *sizep)
 	return parse_sha1_header_extended(hdr, &oi, 0);
 }
 
-unsigned long get_size_from_delta(struct packed_git *p,
-				  struct pack_window **w_curs,
-			          off_t curpos)
-{
-	const unsigned char *data;
-	unsigned char delta_head[20], *in;
-	git_zstream stream;
-	int st;
-
-	memset(&stream, 0, sizeof(stream));
-	stream.next_out = delta_head;
-	stream.avail_out = sizeof(delta_head);
-
-	git_inflate_init(&stream);
-	do {
-		in = use_pack(p, w_curs, curpos, &stream.avail_in);
-		stream.next_in = in;
-		st = git_inflate(&stream, Z_FINISH);
-		curpos += stream.next_in - in;
-	} while ((st == Z_OK || st == Z_BUF_ERROR) &&
-		 stream.total_out < sizeof(delta_head));
-	git_inflate_end(&stream);
-	if ((st != Z_STREAM_END) && stream.total_out != sizeof(delta_head)) {
-		error("delta data unpack-initial failed");
-		return 0;
-	}
-
-	/* Examine the initial part of the delta to figure out
-	 * the result size.
-	 */
-	data = delta_head;
-
-	/* ignore base size */
-	get_delta_hdr_size(&data, delta_head+sizeof(delta_head));
-
-	/* Read the result size */
-	return get_delta_hdr_size(&data, delta_head+sizeof(delta_head));
-}
-
 static off_t get_delta_base(struct packed_git *p,
 				    struct pack_window **w_curs,
 				    off_t *curpos,