From 14b73501c48d132fb918e1bb71b32044e003b554 Mon Sep 17 00:00:00 2001
From: Yuichi Nishiwaki <yuichi.nishiwaki@gmail.com>
Date: Thu, 16 Jan 2014 18:37:54 +0900
Subject: [PATCH] [bugfix] call setvbuf in pic_file constructor

---
 src/port.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/port.c b/src/port.c
index e569ca3d..ebcd6dbb 100644
--- a/src/port.c
+++ b/src/port.c
@@ -82,12 +82,19 @@ pic_funopen(void *cookie,
   if (! file) {
     return NULL;
   }
+  /* no buffering at the beginning */
+  file->buf = NULL;
+  file->mode = _IONBF;
+  file->bufsiz = 0;
+  /* set vtable */
   file->vtable.cookie = cookie;
   file->vtable.read = read;
   file->vtable.write = write;
   file->vtable.seek = seek;
   file->vtable.close = close;
 
+  pic_setvbuf(file, (char *)NULL, _IOFBF, 0);
+
   return file;
 }