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[Emacs-diffs] master 2079e40 3/5: Line-buffer stderr
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From: |
Paul Eggert |
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Subject: |
[Emacs-diffs] master 2079e40 3/5: Line-buffer stderr |
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Date: |
Thu, 20 Jun 2019 03:41:20 -0400 (EDT) |
branch: master
commit 2079e40a3cffbfacc79725c8788d56d05f232222
Author: Paul Eggert <address@hidden>
Commit: Paul Eggert <address@hidden>
Line-buffer stderr
* src/sysdep.c (init_standard_fds) [!DOS_NT]:
Use setvbuf to ensure stderr is line-buffered.
---
src/sysdep.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/sysdep.c b/src/sysdep.c
index bc88e70..3396764 100644
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -242,6 +242,12 @@ 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