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.c b/ctx.c
index 15e7f4b..8ba2f38 100644
--- a/ctx.c
+++ b/ctx.c
@@ -262,8 +262,8 @@ int bfs_ctx_free(struct bfs_ctx *ctx) {
 		CFILE *cout = ctx->cout;
 		CFILE *cerr = ctx->cerr;
 
-		free_expr(ctx->expr);
-		free_expr(ctx->exclude);
+		bfs_expr_free(ctx->exclude);
+		bfs_expr_free(ctx->expr);
 
 		bfs_mtab_free(ctx->mtab);