GNU bug report logs - #22278
[PATCH] grep: report line-buffered write error right away

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: bug-grep <at> gnu.org
Cc: Paul Eggert <eggert <at> cs.ucla.edu>
Subject: [PATCH] grep: report line-buffered write error right away
Date: Wed, 30 Dec 2015 23:38:24 -0800

* src/grep.c (prline): When line buffered, if there is a write
error, report it immediately rather than waiting until the next
line of output.
---
 src/grep.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/grep.c b/src/grep.c
index 06f315d..696f4ce 100644
--- a/src/grep.c
+++ b/src/grep.c
@@ -1180,6 +1180,9 @@ prline (char *beg, char *lim, char sep)
   if (!only_matching && lim > beg)
     fwrite (beg, 1, lim - beg, stdout);
 
+  if (line_buffered)
+    fflush (stdout);
+
   if (ferror (stdout))
     {
       write_error_seen = true;
@@ -1187,9 +1190,6 @@ prline (char *beg, char *lim, char sep)
     }
 
   lastout = lim;
-
-  if (line_buffered)
-    fflush (stdout);
 }
 
 /* Print pending lines of trailing context prior to LIM. Trailing context ends
-- 
2.5.0

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