From 8095f7e166c71ce7a8c594e6959f6c7520348f08 Mon Sep 17 00:00:00 2001
From: itchyny <itchyny@cybozu.co.jp>
Date: Tue, 26 Sep 2023 22:03:39 +0900
Subject: [PATCH] Reject U+001F in string literals (fix #2909)

---
 src/jv_parse.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/jv_parse.c b/src/jv_parse.c
index 62f0e1d872..3be9360833 100644
--- a/src/jv_parse.c
+++ b/src/jv_parse.c
@@ -493,7 +493,7 @@ static pfunc found_string(struct jv_parser* p) {
         return "Invalid escape";
       }
     } else {
-      if (c > 0 && c < 0x001f)
+      if (c >= 0 && c <= 0x001f)
         return "Invalid string: control characters from U+0000 through U+001F must be escaped";
       *out++ = c;
     }