From: Jacob Keller <jacob.keller@xxxxxxxxx>
Add an empty_tree_oid object which can be used in place of
EMPTY_TREE_SHA1_BIN_LITERAL for code which is being converted to struct
object_id.
Signed-off-by: Jacob Keller <jacob.keller@xxxxxxxxx>
---
cache.h | 2 ++
sha1_file.c | 3 +++
2 files changed, 5 insertions(+)
diff --git a/cache.h b/cache.h
index f30a4417efdf..da9f0be67d7b 100644
--- a/cache.h
+++ b/cache.h
@@ -964,6 +964,8 @@ static inline void oidclr(struct object_id *oid)
#define EMPTY_BLOB_SHA1_BIN \
((const unsigned char *) EMPTY_BLOB_SHA1_BIN_LITERAL)
+extern const struct object_id empty_tree_oid;
+
static inline int is_empty_blob_sha1(const unsigned char *sha1)
{
return !hashcmp(sha1, EMPTY_BLOB_SHA1_BIN);
diff --git a/sha1_file.c b/sha1_file.c
index 1e23fc186a02..10883d56a600 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -38,6 +38,9 @@ static inline uintmax_t sz_fmt(size_t s) { return s; }
const unsigned char null_sha1[20];
const struct object_id null_oid;
+const struct object_id empty_tree_oid = {
+ .hash = EMPTY_TREE_SHA1_BIN_LITERAL
+};
/*
* This is meant to hold a *small* number of objects that you would
--
2.10.0.rc0.217.g609f9e8.dirty
--
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