From 07899933fbeacb0259d4d488d9eb189a1b287976 Mon Sep 17 00:00:00 2001
From: Ramya Eliger <ramya@digiscrypt.com>
Date: Sun, 27 Sep 2026 02:01:19 +0530
Subject: [PATCH] pass full string_view to enum_from_string in value_to

---
 include/boost/json/detail/value_to.hpp | 2 +-
 test/value_to.cpp                      | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/include/boost/json/detail/value_to.hpp b/include/boost/json/detail/value_to.hpp
index 66c3858c7..5e50dc6ce 100644
--- a/include/boost/json/detail/value_to.hpp
+++ b/include/boost/json/detail/value_to.hpp
@@ -461,7 +461,7 @@ value_to_impl(
         return {system::in_place_error, ec};
     }
 
-    if( !describe::enum_from_string(str->data(), val) )
+    if( !describe::enum_from_string(str->subview(), val) )
     {
         BOOST_JSON_FAIL(ec, error::unknown_name);
         return {system::in_place_error, ec};
diff --git a/test/value_to.cpp b/test/value_to.cpp
index 2906d8649..97712f365 100644
--- a/test/value_to.cpp
+++ b/test/value_to.cpp
@@ -496,6 +496,14 @@ class value_to_test
         BOOST_TEST_THROWS_WITH_LOCATION(
             value_to<::value_to_test_ns::E1>( value("x"), ctx... ));
 
+        {
+            // an embedded null must not truncate the enumerator name
+            value const jv( string_view("a\0", 2) );
+            BOOST_TEST( jv.as_string().size() == 2 );
+            BOOST_TEST_THROWS_WITH_LOCATION(
+                value_to<::value_to_test_ns::E1>( jv, ctx... ));
+        }
+
         {
 #ifndef BOOST_NO_CXX17_HDR_OPTIONAL
             value jv = {{"n", -78}, {"d", 0.125}};