From b8cd747cc8039237ec17482e984847df08b10291 Mon Sep 17 00:00:00 2001
From: =?utf8?q?P=C3=A1draig=20Brady?= <P@draigBrady.com>
Date: Thu, 25 Nov 2010 19:16:00 +0000
Subject: [PATCH] tsort: suppress a valgrind memory leak warning

* src/tsort.c (tsort): Unconditionally invoking the free()
doesn't increase scalability, so do it only with -Dlint
---
 src/tsort.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/tsort.c b/src/tsort.c
index 4f51f30..0179a4e 100644
--- a/src/tsort.c
+++ b/src/tsort.c
@@ -487,6 +487,11 @@ tsort (const char *file)
 
           /* T5. Output front of queue.  */
           puts (head->str);
+#ifdef lint
+          /* suppress valgrind "definitely lost" warnings.  */
+          void *head_str = (void *) head->str;
+          free (head_str);
+#endif
           head->str = NULL;	/* Avoid printing the same string twice.  */
           n_strings--;
 
-- 
2.7.4