From 465e4664de8e9a03add62fbbfd8eb97af3bab958 Mon Sep 17 00:00:00 2001
From: Gerald Combs <gerald@wireshark.org>
Date: Sat, 14 Dec 2013 23:44:25 +0000
Subject: Use "(void) <variable/>" to avoid unused variable warnings similar to
 Qt's Q_UNUSED macro.

svn path=/trunk/; revision=54110
---
 epan/dfilter/grammar.lemon      | 5 ++++-
 epan/dtd_grammar.lemon          | 3 ++-
 plugins/mate/mate_grammar.lemon | 5 ++++-
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/epan/dfilter/grammar.lemon b/epan/dfilter/grammar.lemon
index 725b167890..90d0f679ba 100644
--- a/epan/dfilter/grammar.lemon
+++ b/epan/dfilter/grammar.lemon
@@ -28,7 +28,10 @@
 
 /* Terminal and Non-Terminal types and destructors */
 %token_type			{stnode_t*}
-%token_destructor		{stnode_free($$);}
+%token_destructor		{
+	(void) dfw; /* Mark unused, similar to Q_UNUSED */
+	stnode_free($$);
+}
 
 %type		sentence	{stnode_t*}
 
diff --git a/epan/dtd_grammar.lemon b/epan/dtd_grammar.lemon
index 393157f117..b3cb2fd42b 100644
--- a/epan/dtd_grammar.lemon
+++ b/epan/dtd_grammar.lemon
@@ -61,7 +61,8 @@ static GPtrArray* g_ptr_array_join(GPtrArray* a, GPtrArray* b){
 
 %extra_argument { dtd_build_data_t *bd }
 
-%token_destructor { 
+%token_destructor {
+	(void) bd; /* Mark unused, similar to Q_UNUSED */
 	if ($$) {
 		if ($$->text) g_free($$->text);
 		if ($$->location) g_free($$->location);
diff --git a/plugins/mate/mate_grammar.lemon b/plugins/mate/mate_grammar.lemon
index fdda2f22f6..f190014e60 100644
--- a/plugins/mate/mate_grammar.lemon
+++ b/plugins/mate/mate_grammar.lemon
@@ -178,7 +178,10 @@ static gchar* recolonize(mate_config* mc, gchar* s) {
 %token_prefix TOKEN_
 
 %token_type { gchar* }
-%token_destructor { if ($$) g_free($$); }
+%token_destructor {
+	(void) mc; /* Mark unused, similar to Q_UNUSED */
+	if ($$) g_free($$);
+}
 
 %extra_argument { mate_config* mc }
 
-- 
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