[src/trunk]: src/usr.bin/xlint/lint1 lint: sync stdout and stderr when compil...

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/ea8505dc5001
branches:  trunk
changeset: 984339:ea8505dc5001
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Jul 04 05:49:20 2021 +0000

description:
lint: sync stdout and stderr when compiled in debug mode

If lint is compiled with -DDEBUG, its debug output goes to stdout, no
matter whether the option -d is given or not.

diffstat:

 usr.bin/xlint/lint1/main1.c |  7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diffs (28 lines):

diff -r d8c2eb4dd508 -r ea8505dc5001 usr.bin/xlint/lint1/main1.c
--- a/usr.bin/xlint/lint1/main1.c       Sun Jul 04 01:28:54 2021 +0000
+++ b/usr.bin/xlint/lint1/main1.c       Sun Jul 04 05:49:20 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: main1.c,v 1.48 2021/07/03 21:27:48 rillig Exp $        */
+/*     $NetBSD: main1.c,v 1.49 2021/07/04 05:49:20 rillig Exp $        */
 
 /*
  * Copyright (c) 1994, 1995 Jochen Pohl
@@ -37,7 +37,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: main1.c,v 1.48 2021/07/03 21:27:48 rillig Exp $");
+__RCSID("$NetBSD: main1.c,v 1.49 2021/07/04 05:49:20 rillig Exp $");
 #endif
 
 #include <sys/types.h>
@@ -254,6 +254,9 @@
        /* initialize output */
        outopen(argv[1]);
 
+#ifdef DEBUG
+       setvbuf(stdout, NULL, _IONBF, 0);
+#endif
        if (dflag)
                setvbuf(stdout, NULL, _IONBF, 0);
 #ifdef YYDEBUG