pack: move get_size_from_delta()

[thirdparty/git.git] / sha1_file.c

diff --git a/sha1_file.c b/sha1_file.c
index 24f4249564a7aac75e73800233b92145b1880a2a..38c1084560950d6d54798fbe0938cca524f955fb 100644 (file)
--- 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,