Bounds check lookahead

2021-11-02 13:42:23 +00:00 · 2021-11-02 13:42:23 +00:00 · cf69dc9cf2
parent 8cfee55b1d
commit cf69dc9cf2
1 changed files with 2 additions and 0 deletions
--- a/convert.py
+++ b/convert.py
@ -67,6 +67,8 @@ def main():
        screen = screen_py.DHGR560NTSCScreen(palette)
    else:
        screen = screen_py.DHGR560Screen(palette)
+    if args.lookahead < 1:
+        parser.error('--lookahead must be at least 1')
    lookahead = args.lookahead

    # Conversion matrix from RGB to CAM16UCS colour values.  Indexed by