Move functions and API needed by the plugins to the src_common directory

src_common/plugin_utils.h

@@ -0,0 +1,35 @@
+/*****************************************************************************
+ *   Ledger
+ *   (c) 2023 Ledger SAS
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *****************************************************************************/
+
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#define SELECTOR_SIZE    4
+#define PARAMETER_LENGTH 32
+
+void copy_address(uint8_t* dst, const uint8_t* parameter, uint8_t dst_size);
+
+void copy_parameter(uint8_t* dst, const uint8_t* parameter, uint8_t dst_size);
+
+// Get the value from the beginning of the parameter (right to left) and check if the rest of it is
+// zero
+bool U2BE_from_parameter(const uint8_t* parameter, uint16_t* value);
+bool U4BE_from_parameter(const uint8_t* parameter, uint32_t* value);
+
+bool find_selector(uint32_t selector, const uint32_t* array, size_t size, size_t* idx);