[RFC PATCH 1/5] packfile: make get_delta_base() non static

[Christian Couder <christian.couder@gmail.com>]

From: Jeff King <peff@peff.net>

As get_delta_base() will be used outside 'packfile.c' in
a following commit, let's make it non static and let's
declare it in 'packfile.h'.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
---
 packfile.c | 10 +++++-----
 packfile.h |  3 +++
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/packfile.c b/packfile.c
index 7cd45aa4b2..4646bff5ff 100644
--- a/packfile.c
+++ b/packfile.c
@@ -1037,11 +1037,11 @@ const struct packed_git *has_packed_and_bad(const unsigned char *sha1)
 	return NULL;
 }
 
-static off_t get_delta_base(struct packed_git *p,
-				    struct pack_window **w_curs,
-				    off_t *curpos,
-				    enum object_type type,
-				    off_t delta_obj_offset)
+off_t get_delta_base(struct packed_git *p,
+		     struct pack_window **w_curs,
+		     off_t *curpos,
+		     enum object_type type,
+		     off_t delta_obj_offset)
 {
 	unsigned char *base_info = use_pack(p, w_curs, *curpos, NULL);
 	off_t base_offset;
diff --git a/packfile.h b/packfile.h
index cc7eaffe1b..30f0811382 100644
--- a/packfile.h
+++ b/packfile.h
@@ -125,6 +125,9 @@ extern void *unpack_entry(struct repository *r, struct packed_git *, off_t, enum
 extern unsigned long unpack_object_header_buffer(const unsigned char *buf, unsigned long len, enum object_type *type, unsigned long *sizep);
 extern unsigned long get_size_from_delta(struct packed_git *, struct pack_window **, off_t);
 extern int unpack_object_header(struct packed_git *, struct pack_window **, off_t *, unsigned long *);
+extern off_t get_delta_base(struct packed_git *p, struct pack_window **w_curs,
+			    off_t *curpos, enum object_type type,
+			    off_t delta_obj_offset);
 
 extern void release_pack_memory(size_t);
 
-- 
2.18.0.237.gffdb1dbdaa