term_bg_rgb8: fix longstanding FIXME now that we detect the bg #1292

3 years ago · f8ca942d84
parent 302d69289a
commit f8ca942d84
1 changed files with 5 additions and 1 deletions
--- a/src/lib/render.c
+++ b/src/lib/render.c
@ -706,7 +706,11 @@ term_bg_rgb8(const tinfo* ti, FILE* out, unsigned r, unsigned g, unsigned b){
      if((r == (ti->bg_collides_default & 0xff0000lu)) &&
         (g == (ti->bg_collides_default & 0xff00lu)) &&
         (b == (ti->bg_collides_default & 0xfflu))){
-        ++b; // what if it's 255 FIXME
+        if(b < 255){
+          ++b;
+        }else{
+          --b;
+        }
      }
    }
    return term_esc_rgb(out, false, r, g, b);