jvm.h (MAYBE_UNUSED): New macro tp mark probably unused arguments.

2004-02-01  Michael Koch  <konqueror@gmx.de>

	* include/jvm.h (MAYBE_UNUSED): New macro tp mark probably unused
	arguments.
	* jni.cc (_Jv_LookupJNIMethod): Mark 'args_size' unused.
	* verify.cc (debug_print): Mark 'fmt' unused.

From-SVN: r77079

libjava/ChangeLog

+2004-02-01  Michael Koch  <konqueror@gmx.de>
+
+	* include/jvm.h (MAYBE_UNUSED): New macro tp mark probably unused
+	arguments.
+	* jni.cc (_Jv_LookupJNIMethod): Mark 'args_size' unused.
+	* verify.cc (debug_print): Mark 'fmt' unused.
+
 2004-01-30  Michael Koch  <konqueror@gmx.de>
 
 	* configure.in: Use pkg-config to check for GTK 2.2 and libart 2.1.

libjava/include/jvm.h

@@ -30,6 +30,9 @@ details.  */
 #include <gcj/cni.h>
 #include <gcj/field.h>
 
+/* Macro for possible unused arguments.  */
+#define MAYBE_UNUSED __attribute__((__unused__))
+
 /* Structure of the virtual table.  */
 struct _Jv_VTable
 {

libjava/jni.cc

@@ -2051,7 +2051,7 @@ _Jv_GetJNIEnvNewFrame (jclass klass)
 // This is `extern "C"' because the compiler uses it.
 extern "C" void *
 _Jv_LookupJNIMethod (jclass klass, _Jv_Utf8Const *name,
-		     _Jv_Utf8Const *signature, int args_size)
+		     _Jv_Utf8Const *signature, MAYBE_UNUSED int args_size)
 {
   char buf[10 + 6 * (name->length + signature->length) + 12];
   int long_start;

libjava/verify.cc

@@ -40,7 +40,7 @@ static void debug_print (const char *fmt, ...)
   __attribute__ ((format (printf, 1, 2)));
 
 static inline void
-debug_print (const char *fmt, ...)
+debug_print (MAYBE_UNUSED const char *fmt, ...)
 {
 #ifdef VERIFY_DEBUG
   va_list ap;