规避代码不以\0结尾，JS_Eval随机错误的bug

Author: chexiongsheng

source/PapiQuickjsImpl.cpp

@@ -778,8 +778,12 @@ pesapi_value pesapi_eval(pesapi_env env, const uint8_t* code, size_t code_size,
 {
     auto ctx = qjsContextFromPesapiEnv(env);
     auto rt = JS_GetRuntime(ctx);
+    eastl::vector<char, eastl::allocator_malloc> buff;
+    buff.reserve(code_size + 1);
+    memcpy(buff.data(), code, code_size);
+    buff.data()[code_size] = '\0'; // 尽管JS_Eval传了长度，但如果代码没有以\0结尾，JS_Eval会出现随机错误
     JS_UpdateStackTop(rt);
-    JSValue retOrEx = JS_Eval(ctx, (const char *)code, code_size, path, JS_EVAL_TYPE_GLOBAL);
+    JSValue retOrEx = JS_Eval(ctx, (const char *)buff.data(), code_size, path, JS_EVAL_TYPE_GLOBAL);
     if (JS_IsException(retOrEx)) {
         auto scope = getCurrentScope(ctx);
         scope->setCaughtException(JS_GetException(ctx));