diff options
Diffstat (limited to 'src/nvim/api/private/helpers.c')
| -rw-r--r-- | src/nvim/api/private/helpers.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/nvim/api/private/helpers.c b/src/nvim/api/private/helpers.c index 017265e0d3..e00b8c6146 100644 --- a/src/nvim/api/private/helpers.c +++ b/src/nvim/api/private/helpers.c @@ -774,7 +774,8 @@ int object_to_hl_id(Object obj, const char *what, Error *err) String str = obj.data.string; return str.size ? syn_check_group(str.data, str.size) : 0; } else if (obj.type == kObjectTypeInteger) { - return MAX((int)obj.data.integer, 0); + int id = (int)obj.data.integer; + return (1 <= id && id <= highlight_num_groups()) ? id : 0; } else { api_set_error(err, kErrorTypeValidation, "Invalid highlight: %s", what); return 0; |