[PATCH 10/34] commit-graph: simplify write_commit_graph_file() #2

From: "SZEDER Gábor" <szeder.dev@gmail.com>
To: git@vger.kernel.org
Cc: "Junio C Hamano" <gitster@pobox.com>,
	"Garima Singh" <garima.singh@microsoft.com>,
	"Derrick Stolee" <stolee@gmail.com>,
	"Jakub Narebski" <jnareb@gmail.com>, "Jeff King" <peff@peff.net>,
	"Taylor Blau" <me@ttaylorr.com>,
	"SZEDER Gábor" <szeder.dev@gmail.com>
Subject: [PATCH 10/34] commit-graph: simplify write_commit_graph_file() #2
Date: Fri, 29 May 2020 10:50:14 +0200	[thread overview]
Message-ID: <20200529085038.26008-11-szeder.dev@gmail.com> (raw)
In-Reply-To: <20200529085038.26008-1-szeder.dev@gmail.com>

Unify the 'chunk_ids' and 'chunk_sizes' arrays into an array of
'struct chunk_info'.  This will allow more cleanups in the following
patches.

Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
---
 commit-graph.c | 36 ++++++++++++++++++++----------------
 1 file changed, 20 insertions(+), 16 deletions(-)

diff --git a/commit-graph.c b/commit-graph.c
index 416f4b2468..d95c739c10 100644
--- a/commit-graph.c
+++ b/commit-graph.c
@@ -1344,14 +1344,18 @@ static int write_graph_chunk_base(struct hashfile *f,
 	return 0;
 }
 
+struct chunk_info {
+	uint32_t id;
+	uint64_t size;
+};
+
 static int write_commit_graph_file(struct write_commit_graph_context *ctx)
 {
 	uint32_t i;
 	int fd;
 	struct hashfile *f;
 	struct lock_file lk = LOCK_INIT;
-	uint32_t chunk_ids[6];
-	uint64_t chunk_sizes[6];
+	struct chunk_info chunks[6];
 	const unsigned hashsz = the_hash_algo->rawsz;
 	struct strbuf progress_title = STRBUF_INIT;
 	int num_chunks = 3;
@@ -1394,25 +1398,25 @@ static int write_commit_graph_file(struct write_commit_graph_context *ctx)
 		f = hashfd(lk.tempfile->fd, lk.tempfile->filename.buf);
 	}
 
-	chunk_ids[0] = GRAPH_CHUNKID_OIDFANOUT;
-	chunk_sizes[0] = GRAPH_FANOUT_SIZE;
-	chunk_ids[1] = GRAPH_CHUNKID_OIDLOOKUP;
-	chunk_sizes[1] = hashsz * ctx->commits.nr;
-	chunk_ids[2] = GRAPH_CHUNKID_DATA;
-	chunk_sizes[2] = (hashsz + 16) * ctx->commits.nr;
+	chunks[0].id = GRAPH_CHUNKID_OIDFANOUT;
+	chunks[0].size = GRAPH_FANOUT_SIZE;
+	chunks[1].id = GRAPH_CHUNKID_OIDLOOKUP;
+	chunks[1].size = hashsz * ctx->commits.nr;
+	chunks[2].id = GRAPH_CHUNKID_DATA;
+	chunks[2].size = (hashsz + 16) * ctx->commits.nr;
 	if (ctx->num_extra_edges) {
-		chunk_ids[num_chunks] = GRAPH_CHUNKID_EXTRAEDGES;
-		chunk_sizes[3] = 4 * ctx->num_extra_edges;
+		chunks[num_chunks].id = GRAPH_CHUNKID_EXTRAEDGES;
+		chunks[num_chunks].size = 4 * ctx->num_extra_edges;
 		num_chunks++;
 	}
 	if (ctx->num_commit_graphs_after > 1) {
-		chunk_ids[num_chunks] = GRAPH_CHUNKID_BASE;
-		chunk_sizes[4] = hashsz * (ctx->num_commit_graphs_after - 1);
+		chunks[num_chunks].id = GRAPH_CHUNKID_BASE;
+		chunks[num_chunks].size = hashsz * (ctx->num_commit_graphs_after - 1);
 		num_chunks++;
 	}
 
-	chunk_ids[num_chunks] = 0;
-	chunk_sizes[num_chunks] = 0;
+	chunks[num_chunks].id = 0;
+	chunks[num_chunks].size = 0;
 
 	hashwrite_be32(f, GRAPH_SIGNATURE);
 
@@ -1425,12 +1429,12 @@ static int write_commit_graph_file(struct write_commit_graph_context *ctx)
 	for (i = 0; i <= num_chunks; i++) {
 		uint32_t chunk_write[3];
 
-		chunk_write[0] = htonl(chunk_ids[i]);
+		chunk_write[0] = htonl(chunks[i].id);
 		chunk_write[1] = htonl(chunk_offset >> 32);
 		chunk_write[2] = htonl(chunk_offset & 0xffffffff);
 		hashwrite(f, chunk_write, 12);
 
-		chunk_offset += chunk_sizes[i];
+		chunk_offset += chunks[i].size;
 	}
 
 	if (ctx->report_progress) {
-- 
2.27.0.rc1.431.g5c813f95dc

