From 1e47aa677a24231ec771137dadc7c2b65be775b4 Mon Sep 17 00:00:00 2001
From: Famiu Haque <famiuhaque@proton.me>
Date: Thu, 9 Jan 2025 21:32:27 +0600
Subject: [PATCH] fix(api): deprecated API nvim_get_option does not validate
 option name #31919

Problem:
Deprecated API `nvim_get_option()` doesn't validate the option name,
which leads to an assertion failure.

Solution:
Validate option name in `nvim_get_option()`.

Ref: #31894
---
 src/nvim/api/deprecated.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/nvim/api/deprecated.c b/src/nvim/api/deprecated.c
index 406d5e7b4f..5150aeebec 100644
--- a/src/nvim/api/deprecated.c
+++ b/src/nvim/api/deprecated.c
@@ -648,6 +648,10 @@ static Object get_option_from(void *from, OptScope scope, String name, Error *er
   });
 
   OptIndex opt_idx = find_option(name.data);
+  VALIDATE_S(opt_idx != kOptInvalid, "option name", name.data, {
+    return (Object)OBJECT_INIT;
+  });
+
   OptVal value = NIL_OPTVAL;
 
   if (option_has_scope(opt_idx, scope)) {