Merge branch 'rs/commit-stack'

Code clean-up, unifying various hand-rolled "list of commit
objects" and use the commit_stack API.

* rs/commit-stack:
  commit-reach: use commit_stack
  commit-graph: use commit_stack
  commit: add commit_stack_grow()
  shallow: use commit_stack
  pack-bitmap-write: use commit_stack
  commit: add commit_stack_init()
  test-reach: use commit_stack
  remote: use commit_stack for src_commits
  remote: use commit_stack for sent_tips
  remote: use commit_stack for local_commits
  name-rev: use commit_stack
  midx: use commit_stack
  log: use commit_stack
  revision: export commit_stack

1 files changed, 12 insertions, 0 deletions

diff --git a/commit.h b/commit.h
index 5406dd2663..79a761c37d 100644
--- a/commit.h
+++ b/commit.h
@@ -381,4 +381,16 @@ int parse_buffer_signed_by_header(const char *buffer,
 				  const struct git_hash_algo *algop);
 int add_header_signature(struct strbuf *buf, struct strbuf *sig, const struct git_hash_algo *algo);
 
+struct commit_stack {
+	struct commit **items;
+	size_t nr, alloc;
+};
+#define COMMIT_STACK_INIT { 0 }
+
+void commit_stack_init(struct commit_stack *);
+void commit_stack_grow(struct commit_stack *, size_t);
+void commit_stack_push(struct commit_stack *, struct commit *);
+struct commit *commit_stack_pop(struct commit_stack *);
+void commit_stack_clear(struct commit_stack *);
+
 #endif /* COMMIT_H */