index: Preallocate the entries vector with size hint

1 files changed, 7 insertions, 0 deletions

diff --git a/src/vector.c b/src/vector.c
index 93d09bb5b..a81d463ef 100644
--- a/src/vector.c
+++ b/src/vector.c
@@ -40,6 +40,13 @@ GIT_INLINE(int) resize_vector(git_vector *v, size_t new_size)
 	return 0;
 }
 
+int git_vector_size_hint(git_vector *v, size_t size_hint)
+{
+	if (v->_alloc_size >= size_hint)
+		return 0;
+	return resize_vector(v, size_hint);
+}
+
 int git_vector_dup(git_vector *v, const git_vector *src, git_vector_cmp cmp)
 {
 	size_t bytes;