it is sufficient to set the last item to 0

[rrdtool.git] / src / art_rgba_svp.c

diff --git a/src/art_rgba_svp.c b/src/art_rgba_svp.c
index b4adb4c..25083d7 100644 (file)
--- a/src/art_rgba_svp.c
+++ b/src/art_rgba_svp.c
@@ -34,6 +34,7 @@
 #include <libart_lgpl/art_rgb.h>
 
 #include "art_rgba_svp.h"
+#include "unused.h"
 
 static void art_rgba_fill_run (art_u8 * linebuf, art_u8 r, art_u8 g, art_u8 b, int n);
 static void art_rgba_run_alpha (art_u8 * linebuf, art_u8 r, art_u8 g, art_u8 b, int alpha, int n);
@@ -49,7 +50,7 @@ struct _ArtRgbaSVPAlphaData {
 };
 
 static void
-art_rgba_svp_alpha_callback (void *callback_data, int y,
+art_rgba_svp_alpha_callback (void *callback_data, int UNUSED(y),
                            int start, ArtSVPRenderAAStep *steps, int n_steps)
 {
   ArtRgbaSVPAlphaData *data = callback_data;
@@ -121,7 +122,7 @@ art_rgba_svp_alpha_callback (void *callback_data, int y,
 }
 
 static void
-art_rgba_svp_alpha_opaque_callback (void *callback_data, int y,
+art_rgba_svp_alpha_opaque_callback (void *callback_data, int UNUSED(y),
                                   int start,
                                   ArtSVPRenderAAStep *steps, int n_steps)
 {
@@ -253,7 +254,7 @@ gnome_print_art_rgba_svp_alpha (const ArtSVP *svp,
                                int libart_x0, int libart_y0, int libart_x1, int libart_y1,
                                art_u32 rgba,
                                art_u8 *buf, int rowstride,
-                               ArtAlphaGamma *alphagamma)
+                               ArtAlphaGamma UNUSED(*alphagamma))
 {
   ArtRgbaSVPAlphaData data;
   int r, g, b, alpha;