From 833233faa8d6835276ebbd48b92c7feeb141270d Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@clisp.org>
Date: Mon, 22 Apr 2024 01:50:59 +0200
Subject: [PATCH] Handle yet another out-of-memory condition.

duplocale() can return NULL, with errno set to ENOMEM.
In this case, bail out and set the current error code to
json_tokener_error_memory.
---
 json_tokener.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/json_tokener.c b/json_tokener.c
index cc35527..0a86d82 100644
--- a/json_tokener.c
+++ b/json_tokener.c
@@ -341,6 +341,11 @@ struct json_object *json_tokener_parse_ex(struct json_tokener *tok, const char *
 #ifdef HAVE_USELOCALE
 	{
 		locale_t duploc = duplocale(oldlocale);
+		if (duploc == NULL && errno == ENOMEM)
+		{
+			tok->err = json_tokener_error_memory;
+			return NULL;
+		}
 		newloc = newlocale(LC_NUMERIC_MASK, "C", duploc);
 		if (newloc == NULL)
 		{
-- 
2.39.5