commit 1b3c539b2dd85be56e0b40125774b3d621db6351
from: Stefan Sperling <stsp@stsp.name>
date: Fri Oct 16 14:51:16 2020 UTC

atoms are stored in an array, not a list; use direct indexing instead of loop

commit - 1ea185225fc4897fdfbe0043837b43ddab3f1449
commit + 1b3c539b2dd85be56e0b40125774b3d621db6351
blob - 8fdb333fafc6ce71b39dd9e58a8c572346c797c2
blob + a1107f6772c2799cd66b0cda9c5c57362f9aa94f
--- lib/diff_output.c
+++ lib/diff_output.c
@@ -208,9 +208,9 @@ diff_output_trailing_newline_msg(struct diff_output_in
 		return EINVAL;
 
 	/* Locate the last atom. */
-	foreach_diff_atom(atom, start_atom, atom_count - 1) {
-		/* do nothing */;
-	}
+	if (atom_count == 0)
+		return EINVAL;
+	atom = &start_atom[atom_count - 1];
 
 	rc = get_atom_byte(&ch, atom, atom->len - 1);
 	if (rc != DIFF_RC_OK)