fix: bounds check for underdot

neovim · Mar 5, 2022 · 7fd1182 · 7fd1182
1 parent 6795c97
commit 7fd1182
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/nvim/eval/funcs.c b/src/nvim/eval/funcs.c
@@ -11410,14 +11410,14 @@ static void f_synIDattr(typval_T *argvars, typval_T *rettv, FunPtr fptr)
  }
  break;
  case 'u': {
- int len = STRLEN(what);
+ const size_t len = STRLEN(what);
  if (len <= 5 || (TOLOWER_ASC(what[5]) == 'l' && len <= 9)) { // underline
  p = highlight_has_attr(id, HL_UNDERCURL, modec);
  } else if (TOLOWER_ASC(what[5]) == 'c') { // undercurl
  p = highlight_has_attr(id, HL_UNDERCURL, modec);
  } else if (len > 9 && TOLOWER_ASC(what[9]) == 'l') { // underlineline
  p = highlight_has_attr(id, HL_UNDERLINELINE, modec);
- } else if (len > 5 && TOLOWER_ASC(what[6]) == 'o') { // underdot
+ } else if (len > 6 && TOLOWER_ASC(what[6]) == 'o') { // underdot
  p = highlight_has_attr(id, HL_UNDERDOT, modec);
  } else { // underdash
  p = highlight_has_attr(id, HL_UNDERDASH, modec);