trim_reel_overhang: don't rely on assert()s

4 years ago · ac4a53bf3b
parent 4a8d56cbfc
commit ac4a53bf3b
1 changed files with 3 additions and 0 deletions
--- a/src/lib/reel.c
+++ b/src/lib/reel.c
@ -391,6 +391,9 @@ trim_reel_overhang(ncreel* r, nctablet* top, nctablet* bottom){
  assert(bottom);
  assert(bottom->p);
  int y;
+  if(!top || !top->p || !bottom || !bottom->p){
+    return -1;
+  }
 //fprintf(stderr, "trimming: top %p bottom %p\n", top->p, bottom->p);
  ncplane_yx(top->p, &y, NULL);
  int ylen, xlen;