1 files changed, 6 insertions, 0 deletions
diff --git a/include/error.h b/include/error.h
index d058ec4..50ca23e 100644
--- a/include/error.h
+++ b/include/error.h
@@ -20,6 +20,12 @@ enum class error_code
     // eval
     EVAL_FAIL_TO_CREATE_PIPE,
 
+    // file
+    FILE_MODE_NOT_SET,
+    FILE_FAIL_TO_OPEN,
+    FILE_OFLAG_ERROR,
+    FILE_POINTER_FAIL_TO_OPEN,
+
 };
 
 class T_error : public std::runtime_error {