From 6bcefad5a671faab202d5359752b75c6619b9e28 Mon Sep 17 00:00:00 2001
From: William Wong <wnineg@gmail.com>
Date: Tue, 13 Aug 2024 16:25:29 +0800
Subject: fix(highlight): fix the seg fault caused by the invalid linked hl ids

---
 src/nvim/api/private/helpers.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/nvim/api')

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;
-- 
cgit