Fixed Oj::Parser create_id size issue #931

Author: ohler55

CHANGELOG.md

@@ -1,5 +1,11 @@
 # CHANGELOG
 
+## 3.16.9 - 2024-12-28
+
+- Fixed `Oj::Parser` create_id size issue #931.
+
+- Changed parser to be more optimized (PR from @Watson1978)
+
 ## 3.16.8 - 2024-12-14
 
 - Fixed StreamWriter to write to non-file IO thanks to @jscheid.

ext/oj/usual.c

@@ -834,8 +834,8 @@ static VALUE opt_create_id_set(ojParser p, VALUE value) {
         rb_check_type(value, T_STRING);
         size_t len = RSTRING_LEN(value);
 
-        if (1 << sizeof(d->create_id_len) <= len) {
-            rb_raise(rb_eArgError, "The create_id values is limited to %d bytes.", 1 << sizeof(d->create_id_len));
+        if (1 << (8 * sizeof(d->create_id_len)) <= len) {
+            rb_raise(rb_eArgError, "The create_id values is limited to %d bytes.", 1 << (8 * sizeof(d->create_id_len)));
         }
         d->create_id_len                  = (uint8_t)len;
         d->create_id                      = str_dup(RSTRING_PTR(value), len);

lib/oj/version.rb

@@ -1,4 +1,4 @@
 module Oj
   # Current version of the module.
-  VERSION = '3.16.8'
+  VERSION = '3.16.9'
 end

test/test_parser_usual.rb

@@ -217,6 +217,10 @@ def test_create_id
 
     doc = p.parse('{"a":true,"^":"UsualTest::MyClass","b":false}')
     assert_equal('UsualTest::MyClass{a: true b: false}', doc.to_s)
+
+    p.create_id = 'class'
+    doc = p.parse('{"a":true,"class":"UsualTest::MyClass","b":false}')
+    assert_equal('UsualTest::MyClass{a: true b: false}', doc.to_s)
   end
 
   def test_missing_class