--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/var_access.c Mon Aug 26 08:54:02 2019 +0200
@@ -0,0 +1,33 @@
+
+#define __Unpack_case_t(TYPENAME) \
+ case TYPENAME##_ENUM :\
+ *flags = ((__IEC_##TYPENAME##_t *)varp)->flags;\
+ forced_value_p = *real_value_p = &((__IEC_##TYPENAME##_t *)varp)->value;\
+ break;
+
+#define __Unpack_case_p(TYPENAME)\
+ case TYPENAME##_O_ENUM :\
+ *flags = __IEC_OUTPUT_FLAG;\
+ case TYPENAME##_P_ENUM :\
+ *flags |= ((__IEC_##TYPENAME##_p *)varp)->flags;\
+ *real_value_p = ((__IEC_##TYPENAME##_p *)varp)->value;\
+ forced_value_p = &((__IEC_##TYPENAME##_p *)varp)->fvalue;\
+ break;
+
+static void* UnpackVar(__Unpack_desc_type *dsc, void **real_value_p, char *flags)
+{
+ void *varp = dsc->ptr;
+ void *forced_value_p = NULL;
+ *flags = 0;
+ /* find data to copy*/
+ switch(dsc->type){
+ __ANY(__Unpack_case_t)
+ __ANY(__Unpack_case_p)
+ default:
+ break;
+ }
+ if (*flags & __IEC_FORCE_FLAG)
+ return forced_value_p;
+ return *real_value_p;
+}
+