http://ftp.x.org/contrib/applications/xscreensaver-3.19.tar.gz

[xscreensaver] / hacks / ccurve.c

diff --git a/hacks/ccurve.c b/hacks/ccurve.c
index 6dbe0ac1a42cc7270e2a6038e1164dcf1a73005c..1555d88d127541f8890964b9c675ad12f7fd9e3c 100644 (file)
--- a/hacks/ccurve.c
+++ b/hacks/ccurve.c
@@ -201,7 +201,7 @@ self_similar_normalized (Display*  display,
        double    x = 0.0;
        double    y = 0.0;
 
-       replacement = (Position*)(alloca (segment_count * sizeof (Segment)));
+       replacement = (Position*)(malloc (segment_count * sizeof (Segment)));
        copy_points (segment_count, points, replacement);
        assert (fabs ((replacement [segment_count - 1].x) - 1.0) < EPSILON);
        assert (fabs (replacement [segment_count - 1].y) < EPSILON);
@@ -222,6 +222,7 @@ self_similar_normalized (Display*  display,
            x = next_x;
            y = next_y;
        }
+        free((void*)replacement);
     }
 }
 
@@ -246,7 +247,7 @@ self_similar (Display* display,
 {
     Position* points = (Position*)NULL;
 
-    points = (Position*)(alloca (segment_count * sizeof (Position)));
+    points = (Position*)(malloc (segment_count * sizeof (Position)));
     normalized_plot (segment_count, segments, points);
     assert (fabs ((points [segment_count - 1].x) - 1.0) < EPSILON);
     assert (fabs (points [segment_count - 1].y) < EPSILON);
@@ -256,6 +257,7 @@ self_similar (Display* display,
                             maximum_x, maximum_y,
                             minimum_x, minimum_y,
                             segment_count, points);
+    free((void*)points);
 }
 
 static
@@ -723,7 +725,7 @@ screenhack (Display* display,
        segment_count
            = lengths [random () % (sizeof (lengths) / sizeof (int))];
        segments
-           = (Segment*)(alloca ((segment_count) * sizeof (Segment)));
+           = (Segment*)(malloc ((segment_count) * sizeof (Segment)));
        select_pattern (segment_count, segments);
        iterations = floor (log (maximum_lines)
                                / log (((double)(segment_count))));
@@ -784,6 +786,7 @@ screenhack (Display* display,
            if (delay) sleep (delay);
            screenhack_handle_events (display);
        }
+        free((void*)segments);
        if (pause) sleep (pause);
        erase_full_window (display, window);
     }