commit 3be7efcafceeae3400cd830be89c9601b43f3716
author Garima Singh <garima.singh@microsoft.com> Mon Mar 30 00:31:23 2020 +0000
committer Junio C Hamano <gitster@pobox.com> Mon Mar 30 09:59:52 2020 -0700
tree 3db167894cef9f24ff4d81d13dbc9f2341da6c7e
parent 9fadedd637b312089337d73c3ed8447e9f0aa775

commit-graph: define and use MAX_NUM_CHUNKS

This is a minor cleanup to make it easier to change
the number of chunks being written to the commit
graph.

Reviewed-by: Jakub Narębski <jnareb@gmail.com>
Signed-off-by: Garima Singh <garima.singh@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

commit-graph.c

diff --git a/commit-graph.c b/commit-graph.c
index f013a84..e4f1a5b 100644
--- a/commit-graph.c
+++ b/commit-graph.c
@@ -23,6 +23,7 @@
 #define GRAPH_CHUNKID_DATA 0x43444154 /* "CDAT" */
 #define GRAPH_CHUNKID_EXTRAEDGES 0x45444745 /* "EDGE" */
 #define GRAPH_CHUNKID_BASE 0x42415345 /* "BASE" */
+#define MAX_NUM_CHUNKS 5
 
 #define GRAPH_DATA_WIDTH (the_hash_algo->rawsz + 16)
 
@@ -1350,8 +1351,8 @@ static int write_commit_graph_file(struct write_commit_graph_context *ctx)
 	int fd;
 	struct hashfile *f;
 	struct lock_file lk = LOCK_INIT;
-	uint32_t chunk_ids[6];
-	uint64_t chunk_offsets[6];
+	uint32_t chunk_ids[MAX_NUM_CHUNKS + 1];
+	uint64_t chunk_offsets[MAX_NUM_CHUNKS + 1];
 	const unsigned hashsz = the_hash_algo->rawsz;
 	struct strbuf progress_title = STRBUF_INIT;
 	int num_chunks = 3;