expr: Store auxilliary data in a union

And rename struct expr to bfs_expr.

1 files changed, 2 insertions, 2 deletions

diff --git a/ctx.h b/ctx.h
index 8f8101d..5d0daba 100644
--- a/ctx.h
+++ b/ctx.h
@@ -62,9 +62,9 @@ struct bfs_ctx {
 	/** The root paths. */
 	const char **paths;
 	/** The main command line expression. */
-	struct expr *expr;
+	struct bfs_expr *expr;
 	/** An expression for files to filter out. */
-	struct expr *exclude;
+	struct bfs_expr *exclude;
 
 	/** -mindepth option. */
 	int mindepth;