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

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

diff --git a/e2sim/asn1c/NativeInteger_rfill.c b/e2sim/asn1c/NativeInteger_rfill.c
new file mode 100644 (file)
index 0000000..0e2cee8
--- /dev/null
+++ b/e2sim/asn1c/NativeInteger_rfill.c
@@ -0,0 +1,83 @@
+/*
+ * 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 <NativeInteger.h>
+
+asn_random_fill_result_t
+NativeInteger_random_fill(const asn_TYPE_descriptor_t *td, void **sptr,
+                          const asn_encoding_constraints_t *constraints,
+                          size_t max_length) {
+    const asn_INTEGER_specifics_t *specs =
+        (const asn_INTEGER_specifics_t *)td->specifics;
+    asn_random_fill_result_t result_ok = {ARFILL_OK, 1};
+    asn_random_fill_result_t result_failed = {ARFILL_FAILED, 0};
+    asn_random_fill_result_t result_skipped = {ARFILL_SKIPPED, 0};
+    long *st = *sptr;
+    const asn_INTEGER_enum_map_t *emap;
+    size_t emap_len;
+    intmax_t value;
+    int find_inside_map;
+
+    if(max_length == 0) return result_skipped;
+
+    if(st == NULL) {
+        st = (long *)CALLOC(1, sizeof(*st));
+        if(st == NULL) {
+            return result_failed;
+        }
+    }
+
+    if(specs) {
+        emap = specs->value2enum;
+        emap_len = specs->map_count;
+        if(specs->strict_enumeration) {
+            find_inside_map = emap_len > 0;
+        } else {
+            find_inside_map = emap_len ? asn_random_between(0, 1) : 0;
+        }
+    } else {
+        emap = 0;
+        emap_len = 0;
+        find_inside_map = 0;
+    }
+
+    if(find_inside_map) {
+        assert(emap_len > 0);
+        value = emap[asn_random_between(0, emap_len - 1)].nat_value;
+    } else {
+        static const long variants[] = {
+            -65536, -65535, -65534, -32769, -32768, -32767, -16385, -16384,
+            -16383, -257,   -256,   -255,   -254,   -129,   -128,   -127,
+            -126,   -1,     0,      1,      126,    127,    128,    129,
+            254,    255,    256,    257,    16383,  16384,  16385,  32767,
+            32768,  32769,  65534,  65535,  65536,  65537};
+        if(specs && specs->field_unsigned) {
+            assert(variants[18] == 0);
+            value = variants[asn_random_between(
+                18, sizeof(variants) / sizeof(variants[0]) - 1)];
+        } else {
+            value = variants[asn_random_between(
+                0, sizeof(variants) / sizeof(variants[0]) - 1)];
+        }
+
+        if(!constraints) constraints = &td->encoding_constraints;
+#if !defined(ASN_DISABLE_UPER_SUPPORT) || !defined(ASN_DISABLE_APER_SUPPORT)
+        const asn_per_constraints_t *ct;
+
+        ct = constraints ? constraints->per_constraints : 0;
+        if(ct && (ct->value.flags & APC_CONSTRAINED)) {
+            if(value < ct->value.lower_bound || value > ct->value.upper_bound) {
+                value = asn_random_between(ct->value.lower_bound,
+                                           ct->value.upper_bound);
+            }
+        }
+#endif  /* !defined(ASN_DISABLE_UPER_SUPPORT) || !defined(ASN_DISABLE_APER_SUPPORT) */
+    }
+
+    *sptr = st;
+    *st = value;
+    return result_ok;
+}