Try to report I/O errors earlier and only once

1 files changed, 2 insertions, 0 deletions

diff --git a/src/expr.h b/src/expr.h
index 1f1ece6..22f569e 100644
--- a/src/expr.h
+++ b/src/expr.h
@@ -162,6 +162,8 @@ struct bfs_expr {
 		struct {
 			/** The output stream. */
 			CFILE *cfile;
+			/** Optional file path. */
+			const char *path;
 			/** Optional -printf format. */
 			struct bfs_printf *printf;
 		};