diff options
| -rw-r--r-- | src/nvim/mbyte.c | 4 | ||||
| -rw-r--r-- | src/nvim/testdir/test_eval_stuff.vim | 12 |
2 files changed, 14 insertions, 2 deletions
diff --git a/src/nvim/mbyte.c b/src/nvim/mbyte.c index ca5a3ddbbf..b777d3933f 100644 --- a/src/nvim/mbyte.c +++ b/src/nvim/mbyte.c @@ -890,9 +890,9 @@ int utf_ptr2len_len(const char_u *p, int size) return len; } -/// Return the number of bytes occupied by a UTF-8 character in a string -/// +/// Return the number of bytes occupied by a UTF-8 character in a string. /// This includes following composing characters. +/// Returns zero for NUL. int utfc_ptr2len(const char *const p_in) FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_NONNULL_ALL { diff --git a/src/nvim/testdir/test_eval_stuff.vim b/src/nvim/testdir/test_eval_stuff.vim index 811c6c946d..eff1376d3c 100644 --- a/src/nvim/testdir/test_eval_stuff.vim +++ b/src/nvim/testdir/test_eval_stuff.vim @@ -75,6 +75,18 @@ func Test_for_invalid() redraw endfunc +func Test_for_over_null_string() + let save_enc = &enc + " set enc=iso8859 + let cnt = 0 + for c in v:_null_string + let cnt += 1 + endfor + call assert_equal(0, cnt) + + let &enc = save_enc +endfunc + func Test_readfile_binary() new call setline(1, ['one', 'two', 'three']) |