1 files changed, 4 insertions, 3 deletions
diff --git a/stream.h b/stream.h
index 6fb245d6..2d7688c6 100644
--- a/stream.h
+++ b/stream.h
@@ -108,6 +108,7 @@ struct stdio_mode {
   unsigned create : 1;
   unsigned append : 1;
   unsigned binary : 1;
+  unsigned notrunc : 1;
   unsigned interactive : 1;
   unsigned unbuf : 1;
   unsigned linebuf : 1;
@@ -115,9 +116,9 @@ struct stdio_mode {
   int redir[STDIO_MODE_NREDIRS][2];
 };
 
-#define stdio_mode_init_blank { 0, 0, 0, 0, 0, 0, 0, 0, 0, -1 }
-#define stdio_mode_init_r     { 0, 1, 0, 0, 0, 0, 0, 0, 0, -1 }
-#define stdio_mode_init_rpb   { 0, 1, 1, 0, 0, 1, 0, 0, 0, -1 }
+#define stdio_mode_init_blank { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1 }
+#define stdio_mode_init_r     { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, -1 }
+#define stdio_mode_init_rpb   { 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, -1 }
 
 #define std_input (deref(lookup_var_l(nil, stdin_s)))
 #define std_output (deref(lookup_var_l(nil, stdout_s)))