provide a helper to set the commit buffer

Right now this is just a one-liner, but abstracting it will
make it easier to change later.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/commit.h b/commit.h
index d72ed43340..cc89128894 100644
--- a/commit.h
+++ b/commit.h
@@ -52,6 +52,12 @@ int parse_commit(struct commit *item);
 void parse_commit_or_die(struct commit *item);
 
 /*
+ * Associate an object buffer with the commit. The ownership of the
+ * memory is handed over to the commit, and must be free()-able.
+ */
+void set_commit_buffer(struct commit *, void *buffer);
+
+/*
  * Free any cached object buffer associated with the commit.
  */
 void free_commit_buffer(struct commit *);