Don’t line-buffer stderr

* src/sysdep.c (init_standard_fds) [DOS_NT]: Don’t line-buffer stderr.
This reverts 2019-06-20T07:32:17!eggert@cs.ucla.edu.  See:
https://lists.gnu.org/r/emacs-devel/2019-06/msg00882.html

diff --git a/src/sysdep.c b/src/sysdep.c
index dd1184aa456bde3d56d9f42802e9572ad69fcbb1..0910b69f8bcd9a2584812c443d01c8650fb8c53a 100644 (file)
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -242,12 +242,6 @@ init_standard_fds (void)
   force_open (STDIN_FILENO, O_WRONLY);
   force_open (STDOUT_FILENO, O_RDONLY);
   force_open (STDERR_FILENO, O_RDONLY);
-
-  /* Line-buffer stderr.  However, leave stderr unbuffered on
-     MS-Windows, where setvbuf treats _IOLBF like _IOFBF.  */
-#ifndef DOS_NT
-  setvbuf (stderr, NULL, _IOLBF, 0);
-#endif
 }
 
 /* Return the current working directory.  The result should be freed