handle null refs on llSubStringIndex()

2026-08-01 14:16:07 +08:00 · 2019-11-06 23:40:53 +00:00
parent 926e4ea95e
commit 8ed0680bb9
1 changed files with 4 additions and 0 deletions
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -5846,6 +5846,10 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
        public LSL_Integer llSubStringIndex(string source, string pattern)
        {
            m_host.AddScriptLPS(1);
+            if (string.IsNullOrEmpty(source))
+                return -1;
+            if (string.IsNullOrEmpty(pattern))
+                return 0;
            return source.IndexOf(pattern);
        }