sha1_file.c: expose map_sha1_file() interface.

This exposes map_sha1_file() interface to mmap a loose object file,
and legacy_loose_object() function, split from unpack_sha1_header().

They will be used in the next patch to reuse the deflated data from
new-style loose object files when generating packs.

Signed-off-by: Junio C Hamano <junkio@cox.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/cache.h b/cache.h
index eee5fc9f8d..01835ef432 100644
--- a/cache.h
+++ b/cache.h
@@ -240,6 +240,8 @@ extern int move_temp_to_file(const char *tmpfile, char *filename);
 
 extern int has_sha1_pack(const unsigned char *sha1);
 extern int has_sha1_file(const unsigned char *sha1);
+extern void *map_sha1_file(const unsigned char *sha1, unsigned long *);
+extern int legacy_loose_object(unsigned char *);
 
 extern int has_pack_file(const unsigned char *sha1);
 extern int has_pack_index(const unsigned char *sha1);