SIM-115: update simulator to use latest E2SM KPM version 3

[sim/e2-interface.git] / e2sim / asn1c / constr_CHOICE_rfill.c

diff --git a/e2sim/asn1c/constr_CHOICE_rfill.c b/e2sim/asn1c/constr_CHOICE_rfill.c
new file mode 100644 (file)
index 0000000..fd0a101
--- /dev/null
+++ b/e2sim/asn1c/constr_CHOICE_rfill.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2017 Lev Walkin <vlm@lionet.info>.
+ * All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#include <asn_internal.h>
+#include <constr_CHOICE.h>
+
+asn_random_fill_result_t
+CHOICE_random_fill(const asn_TYPE_descriptor_t *td, void **sptr,
+                   const asn_encoding_constraints_t *constr,
+                   size_t max_length) {
+    const asn_CHOICE_specifics_t *specs =
+        (const asn_CHOICE_specifics_t *)td->specifics;
+    asn_random_fill_result_t res;
+    asn_random_fill_result_t result_failed = {ARFILL_FAILED, 0};
+    asn_random_fill_result_t result_skipped = {ARFILL_SKIPPED, 0};
+    const asn_TYPE_member_t *elm;
+    unsigned present;
+    void *memb_ptr;    /* Pointer to the member */
+    void **memb_ptr2;  /* Pointer to that pointer */
+    void *st = *sptr;
+
+    if(max_length == 0) return result_skipped;
+
+    (void)constr;
+
+    if(st == NULL) {
+        st = CALLOC(1, specs->struct_size);
+        if(st == NULL) {
+            return result_failed;
+        }
+    }
+
+    present = asn_random_between(1, td->elements_count);
+    elm = &td->elements[present - 1];
+
+    if(elm->flags & ATF_POINTER) {
+        /* Member is a pointer to another structure */
+        memb_ptr2 = (void **)((char *)st + elm->memb_offset);
+    } else {
+        memb_ptr = (char *)st + elm->memb_offset;
+        memb_ptr2 = &memb_ptr;
+    }
+
+    res = elm->type->op->random_fill(elm->type, memb_ptr2,
+                                    &elm->encoding_constraints, max_length);
+    _set_present_idx(st, specs->pres_offset, specs->pres_size, present);
+    if(res.code == ARFILL_OK) {
+        *sptr = st;
+    } else {
+        if(st == *sptr) {
+            ASN_STRUCT_RESET(*td, st);
+        } else {
+            ASN_STRUCT_FREE(*td, st);
+        }
+    }
+
+    return res;
+}