From cdb92e6a495fef05ffaed7e4072cf51734daf8cf Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <michael+git@stapelberg.de>
Date: Sat, 28 Feb 2009 02:17:55 +0100
Subject: [PATCH] Correctly disable buffering for stdout

---
 src/mainx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/mainx.c b/src/mainx.c
index 9a900396..114e471f 100644
--- a/src/mainx.c
+++ b/src/mainx.c
@@ -282,7 +282,8 @@ int main(int argc, char *argv[], char *env[]) {
         xcb_window_t root;
         xcb_intern_atom_cookie_t atom_cookies[NUM_ATOMS];
 
-        if (!isatty(stdout))
+        /* Disable output buffering to make redirects in .xsession actually useful for debugging */
+        if (!isatty(fileno(stdout)))
                 setbuf(stdout, NULL);
 
         application_path = sstrdup(argv[0]);
-- 
2.39.5