blob: 411413a246e62111cf5e17ec4984f92877081415 [file] [log] [blame]
/*
* Copyright (c) 2017 Lev Walkin <vlm@lionet.info>.
* All rights reserved.
* Redistribution and modifications are permitted subject to BSD license.
*/
#ifndef ASN_DISABLE_OER_SUPPORT
#include <asn_internal.h>
#include <NativeInteger.h>
#include <errno.h>
asn_dec_rval_t
NativeInteger_decode_oer(const asn_codec_ctx_t *opt_codec_ctx,
const asn_TYPE_descriptor_t *td,
const asn_oer_constraints_t *constraints,
void **nint_ptr, const void *ptr, size_t size) {
const asn_INTEGER_specifics_t *specs =
(const asn_INTEGER_specifics_t *)td->specifics;
asn_dec_rval_t rval = {RC_OK, 0};
long *native = (long *)*nint_ptr;
INTEGER_t tmpint;
INTEGER_t *tmpintptr = &tmpint;
memset(&tmpint, 0, sizeof(tmpint));
if(!native) {
native = (long *)(*nint_ptr = CALLOC(1, sizeof(*native)));
if(!native) ASN__DECODE_FAILED;
}
/*
* OPTIMIZATION: Encode directly rather than passing through INTEGER.
* Saves a memory allocation.
*/
rval = INTEGER_decode_oer(opt_codec_ctx, td, constraints,
(void **)&tmpintptr, ptr, size);
if(rval.code != RC_OK) {
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_INTEGER, &tmpint);
return rval;
}
if(specs && specs->field_unsigned) {
unsigned long ul;
int ok = asn_INTEGER2ulong(&tmpint, &ul) == 0;
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_INTEGER, &tmpint);
if(ok) {
*native = ul;
} else {
rval.code = RC_FAIL;
return rval;
}
} else {
long l;
int ok = asn_INTEGER2long(&tmpint, &l) == 0;
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_INTEGER, &tmpint);
if(ok) {
*native = l;
} else {
rval.code = RC_FAIL;
return rval;
}
}
return rval;
}
/*
* Encode as Canonical OER.
*/
asn_enc_rval_t
NativeInteger_encode_oer(const asn_TYPE_descriptor_t *td,
const asn_oer_constraints_t *constraints,
const void *sptr, asn_app_consume_bytes_f *cb,
void *app_key) {
const asn_INTEGER_specifics_t *specs =
(const asn_INTEGER_specifics_t *)td->specifics;
INTEGER_t tmpint;
long native;
if(!sptr) ASN__ENCODE_FAILED;
native = *(const long *)sptr;
memset(&tmpint, 0, sizeof(tmpint));
ASN_DEBUG("Encoding %s %ld as NativeInteger", td ? td->name : "", native);
if((specs && specs->field_unsigned) ? asn_ulong2INTEGER(&tmpint, native)
: asn_long2INTEGER(&tmpint, native)) {
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_INTEGER, &tmpint);
ASN__ENCODE_FAILED;
} else {
asn_enc_rval_t er =
INTEGER_encode_oer(td, constraints, &tmpint, cb, app_key);
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_INTEGER, &tmpint);
return er;
}
}
#endif /* ASN_DISABLE_OER_SUPPORT */