$NetBSD: patch-ad,v 1.2 2009/05/18 04:33:28 dholland Exp $

NetBSD's mremap takes an extra argument; also not everything,
including NetBSD 4.x, has mremap at all.

--- plugins/input/mplayer/input_mplayer.c.orig	2006-01-22 08:25:27.000000000 -0500
+++ plugins/input/mplayer/input_mplayer.c	2009-05-17 23:40:38.000000000 -0400
@@ -176,9 +176,28 @@ int inp_mplayer_init( VisPluginData *plu
 		return -6;
 	}
 
+#ifdef HAVE_MREMAP
+
+#if defined(__NetBSD__)
+#  define mremap(a, b, c, d) (mremap)((a), (b), NULL, (c), (d))
+#endif
+
 	priv->mmap_area = mremap( priv->mmap_area, sizeof( mplayer_data_t ),
 			sizeof( mplayer_data_t ) + priv->mmap_area->bs,
 			0 );
+
+#else /* no mremap() */
+
+	{
+		size_t size = priv->mmap_area->bs;
+
+		munmap(priv->mmap_area, sizeof(mplayer_data_t));
+		priv->mmap_area = mmap(NULL, sizeof(mplayer_data_t) + size,
+				PROT_READ, MAP_SHARED, priv->fd, 0);
+	}
+
+#endif
+
 	if ( (int)priv->mmap_area == -1 )
 	{
 		visual_log( VISUAL_LOG_CRITICAL,