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

src_common/plugin_utils.c

@@ -0,0 +1,42 @@
+#include <string.h>
+
+#include "utils.h"
+#include "plugin_utils.h"
+
+void copy_address(uint8_t* dst, const uint8_t* parameter, uint8_t dst_size) {
+    uint8_t copy_size = MIN(dst_size, ADDRESS_LENGTH);
+    memmove(dst, parameter + PARAMETER_LENGTH - copy_size, copy_size);
+}
+
+void copy_parameter(uint8_t* dst, const uint8_t* parameter, uint8_t dst_size) {
+    uint8_t copy_size = MIN(dst_size, PARAMETER_LENGTH);
+    memmove(dst, parameter, copy_size);
+}
+
+bool U2BE_from_parameter(const uint8_t* parameter, uint16_t* value) {
+    if (allzeroes(parameter, PARAMETER_LENGTH - sizeof(uint16_t))) {
+        *value = U2BE(parameter, PARAMETER_LENGTH - sizeof(uint16_t));
+        return true;
+    }
+
+    return false;
+}
+
+bool U4BE_from_parameter(const uint8_t* parameter, uint32_t* value) {
+    if (allzeroes(parameter, PARAMETER_LENGTH - sizeof(uint32_t))) {
+        *value = U4BE(parameter, PARAMETER_LENGTH - sizeof(uint32_t));
+        return true;
+    }
+
+    return false;
+}
+
+bool find_selector(uint32_t selector, const uint32_t* array, size_t size, size_t* idx) {
+    for (size_t i = 0; i < size; ++i) {
+        if (selector == array[i]) {
+            if (idx != NULL) *idx = i;
+            return true;
+        }
+    }
+    return false;
+}