1 files changed, 14 insertions, 0 deletions
diff --git a/commit.c b/commit.c
index bab8d5ab07..199c7e274c 100644
--- a/commit.c
+++ b/commit.c
@@ -535,6 +535,20 @@ int find_commit_subject(const char *commit_buffer, const char **subject)
 	return eol - p;
 }
 
+size_t commit_subject_length(const char *body)
+{
+	const char *p = body;
+	while (*p) {
+		const char *next = skip_blank_lines(p);
+		if (next != p)
+			break;
+		p = strchrnul(p, '\n');
+		if (*p)
+			p++;
+	}
+	return p - body;
+}
+
 struct commit_list *commit_list_insert(struct commit *item, struct commit_list **list_p)
 {
 	struct commit_list *new_list = xmalloc(sizeof(struct commit_list));