From 3ff08d46d98ad72dbcb3a17a0c73afb84f950543 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sun, 25 Aug 2024 23:52:28 +0200
Subject: Fix line-buffered stderr

mach_open_devstream creates a fully-buffered stream by default.
This prevents from seeing various messages.
---
 libdiskfs/console.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'libdiskfs')

diff --git a/libdiskfs/console.c b/libdiskfs/console.c
index cd93f025..9bf7cd2d 100644
--- a/libdiskfs/console.c
+++ b/libdiskfs/console.c
@@ -76,6 +76,7 @@ diskfs_console_stdio (void)
       stdin = mach_open_devstream (cons, "r");
       stdout = stderr = mach_open_devstream (cons, "w");
       mach_port_deallocate (mach_task_self (), cons);
+      setlinebuf (stderr);
     }
 
   /* And make sure we don't die just because we got some error there.  */
-- 
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