improve printing

1 files changed, 3 insertions, 2 deletions

diff --git a/src/ast.c b/src/ast.c
index 7c0225d..c236445 100644
--- a/src/ast.c
+++ b/src/ast.c
@@ -188,8 +188,9 @@ static void dump(int depth, const char *fmt, ...)
 	va_list args;
 	va_start(args, fmt);
 	printf("//");
-	for (int i = 0; i < depth; ++i)
-		printf("  ");
+	/* indent */
+	if (depth != 0)
+		printf("%*c", 2 * depth, ' ');
 
 	vprintf(fmt, args);