From: Magnus Jacobsson <Magnus.Jacobsson@berotec.se>
Date: Sat, 7 Nov 2020 12:37:41 +0000 (+0100)
Subject: Remove 1 -Wunused-but-set-variable warning in dtview.c
X-Git-Tag: 2.46.0~11^2~38
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ad77363bba3e89cd624440c26811f2aa42158c1e;p=graphviz

Remove 1 -Wunused-but-set-variable warning in dtview.c
---

diff --git a/lib/cdt/dthdr.h b/lib/cdt/dthdr.h
index cc73fd687..6972eebe3 100644
--- a/lib/cdt/dthdr.h
+++ b/lib/cdt/dthdr.h
@@ -46,4 +46,6 @@
 #define RROTATE(x,y)	(rrotate(x,y), (x) = (y))
 #define LROTATE(x,y)	(lrotate(x,y), (x) = (y))
 
+#define NOTUSED(x)	(void)(x)
+
 #endif /* _DTHDR_H */
diff --git a/lib/cdt/dtview.c b/lib/cdt/dtview.c
index 4ad36018a..5f4f13ffe 100644
--- a/lib/cdt/dtview.c
+++ b/lib/cdt/dtview.c
@@ -12,6 +12,7 @@ static void* dtvsearch(Dt_t* dt, void* obj, int type)
 	void		*o, *n, *ok, *nk;
 	int		cmp, lk, sz, ky;
 	Dtcompar_f	cmpf;
+	NOTUSED(lk);
 
 	/* these operations only happen at the top level */
 	if(type&(DT_INSERT|DT_DELETE|DT_CLEAR|DT_RENEW))