Avoid re-tokenizing header files that are protected by

#ifndef X ... #endif X if X is already defined. This avoids
doing unnecessary work on duplicate includes.

1 files changed, 2 insertions, 1 deletions

diff --git a/token.h b/token.h
index 98f08f4..7e7d9de 100644
--- a/token.h
+++ b/token.h
@@ -17,7 +17,8 @@ struct stream {
 	const char *name;
 
 	/* Use these to check for "already parsed" */
-	int constant;
+	int constant, nesting;
+	struct ident *protect;
 	dev_t dev;
 	ino_t ino;
 };