diff -r 84a5fab8a47c -r b428424c0214 src/cx/json.h
--- a/src/cx/json.h	Tue Oct 22 22:42:48 2024 +0200
+++ b/src/cx/json.h	Tue Oct 22 23:10:31 2024 +0200
@@ -121,8 +121,9 @@
     int tokenizer_escape;
 
     int *states;
-    int nstates;
-    int states_alloc;
+    unsigned nstates;
+    unsigned states_alloc;
+    int states_internal[8];
 
     CxJsonToken reader_token;
     CxJsonReaderType reader_type;
@@ -135,12 +136,12 @@
     double value_double;
 
     CxJsonValue **readvalue_stack;
-    int readvalue_nelm;
-    int readvalue_alloc;
+    unsigned readvalue_nelm;
+    unsigned readvalue_alloc;
     CxJsonValue *read_value;
     int readvalue_initialized;
 
-    int reader_array_alloc;
+    unsigned reader_array_alloc;
 
     int error;
 };