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Update license headers to SPDX format (see https://spdx.org/) Add license to all files Add CI job in GitHub Actions to ensure compliance
289 lines
7.9 KiB
C
289 lines
7.9 KiB
C
/*-
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* SPDX-FileCopyrightText: (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
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* SPDX-License-Identifier: BSD-1-Clause
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*/
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#include <asn_SEQUENCE_OF.h>
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#include <asn_internal.h>
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#include <constr_SEQUENCE_OF.h>
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/*
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* The DER encoder of the SEQUENCE OF type.
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*/
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asn_enc_rval_t SEQUENCE_OF_encode_der(asn_TYPE_descriptor_t *td, void *ptr,
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int tag_mode, ber_tlv_tag_t tag,
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asn_app_consume_bytes_f *cb,
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void *app_key)
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{
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asn_TYPE_member_t *elm = td->elements;
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asn_anonymous_sequence_ *list = _A_SEQUENCE_FROM_VOID(ptr);
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size_t computed_size = 0;
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ssize_t encoding_size = 0;
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asn_enc_rval_t erval;
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int edx;
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ASN_DEBUG("Estimating size of SEQUENCE OF %s", td->name);
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/*
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* Gather the length of the underlying members sequence.
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*/
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for (edx = 0; edx < list->count; edx++)
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{
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void *memb_ptr = list->array[edx];
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if (!memb_ptr)
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{
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continue;
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}
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erval =
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elm->type->der_encoder(elm->type, memb_ptr, 0, elm->tag, 0, 0);
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if (erval.encoded == -1)
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{
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return erval;
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}
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computed_size += erval.encoded;
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}
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/*
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* Encode the TLV for the sequence itself.
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*/
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encoding_size =
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der_write_tags(td, computed_size, tag_mode, 1, tag, cb, app_key);
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if (encoding_size == -1)
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{
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erval.encoded = -1;
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erval.failed_type = td;
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erval.structure_ptr = ptr;
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return erval;
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}
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computed_size += encoding_size;
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if (!cb)
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{
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erval.encoded = computed_size;
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_ASN_ENCODED_OK(erval);
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}
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ASN_DEBUG("Encoding members of SEQUENCE OF %s", td->name);
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/*
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* Encode all members.
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*/
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for (edx = 0; edx < list->count; edx++)
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{
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void *memb_ptr = list->array[edx];
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if (!memb_ptr)
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{
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continue;
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}
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erval = elm->type->der_encoder(elm->type, memb_ptr, 0, elm->tag, cb,
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app_key);
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if (erval.encoded == -1)
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{
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return erval;
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}
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encoding_size += erval.encoded;
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}
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if (computed_size != (size_t)encoding_size)
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{
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/*
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* Encoded size is not equal to the computed size.
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*/
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erval.encoded = -1;
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erval.failed_type = td;
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erval.structure_ptr = ptr;
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}
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else
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{
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erval.encoded = computed_size;
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erval.structure_ptr = 0;
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erval.failed_type = 0;
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}
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return erval;
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}
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asn_enc_rval_t SEQUENCE_OF_encode_xer(asn_TYPE_descriptor_t *td, void *sptr,
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int ilevel,
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enum xer_encoder_flags_e flags,
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asn_app_consume_bytes_f *cb,
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void *app_key)
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{
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asn_enc_rval_t er;
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asn_SET_OF_specifics_t *specs = (asn_SET_OF_specifics_t *)td->specifics;
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asn_TYPE_member_t *elm = td->elements;
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asn_anonymous_sequence_ *list = _A_SEQUENCE_FROM_VOID(sptr);
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const char *mname = specs->as_XMLValueList
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? 0
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: ((*elm->name) ? elm->name : elm->type->xml_tag);
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unsigned int mlen = mname ? strlen(mname) : 0;
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int xcan = (flags & XER_F_CANONICAL);
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int i;
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if (!sptr)
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{
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_ASN_ENCODE_FAILED;
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}
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er.encoded = 0;
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for (i = 0; i < list->count; i++)
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{
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asn_enc_rval_t tmper;
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void *memb_ptr = list->array[i];
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if (!memb_ptr)
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{
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continue;
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}
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if (mname)
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{
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if (!xcan)
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{
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_i_ASN_TEXT_INDENT(1, ilevel);
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}
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_ASN_CALLBACK3("<", 1, mname, mlen, ">", 1);
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}
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tmper = elm->type->xer_encoder(elm->type, memb_ptr, ilevel + 1,
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flags, cb, app_key);
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if (tmper.encoded == -1)
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{
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return tmper;
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}
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if (tmper.encoded == 0 && specs->as_XMLValueList)
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{
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const char *name = elm->type->xml_tag;
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size_t len = strlen(name);
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if (!xcan)
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{
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_i_ASN_TEXT_INDENT(1, ilevel + 1);
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}
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_ASN_CALLBACK3("<", 1, name, len, "/>", 2);
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}
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if (mname)
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{
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_ASN_CALLBACK3("</", 2, mname, mlen, ">", 1);
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er.encoded += 5;
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}
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er.encoded += (2 * mlen) + tmper.encoded;
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}
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if (!xcan)
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{
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_i_ASN_TEXT_INDENT(1, ilevel - 1);
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}
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_ASN_ENCODED_OK(er);
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cb_failed:
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_ASN_ENCODE_FAILED;
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}
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asn_enc_rval_t SEQUENCE_OF_encode_uper(asn_TYPE_descriptor_t *td,
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asn_per_constraints_t *constraints,
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void *sptr, asn_per_outp_t *po)
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{
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asn_anonymous_sequence_ *list;
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asn_per_constraint_t *ct;
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asn_enc_rval_t er;
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asn_TYPE_member_t *elm = td->elements;
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int seq;
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if (!sptr)
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{
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_ASN_ENCODE_FAILED;
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}
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list = _A_SEQUENCE_FROM_VOID(sptr);
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er.encoded = 0;
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ASN_DEBUG("Encoding %s as SEQUENCE OF (%d)", td->name, list->count);
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if (constraints)
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{
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ct = &constraints->size;
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}
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else if (td->per_constraints)
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{
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ct = &td->per_constraints->size;
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}
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else
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{
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ct = 0;
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}
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/* If extensible constraint, check if size is in root */
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if (ct)
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{
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int not_in_root = (list->count < ct->lower_bound ||
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list->count > ct->upper_bound);
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ASN_DEBUG("lb %ld ub %ld %s", ct->lower_bound, ct->upper_bound,
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ct->flags & APC_EXTENSIBLE ? "ext" : "fix");
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if (ct->flags & APC_EXTENSIBLE)
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{
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/* Declare whether size is in extension root */
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if (per_put_few_bits(po, not_in_root, 1))
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{
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_ASN_ENCODE_FAILED;
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}
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if (not_in_root)
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{
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ct = 0;
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}
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}
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else if (not_in_root && ct->effective_bits >= 0)
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{
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_ASN_ENCODE_FAILED;
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}
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}
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if (ct && ct->effective_bits >= 0)
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{
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/* X.691, #19.5: No length determinant */
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if (per_put_few_bits(po, list->count - ct->lower_bound,
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ct->effective_bits))
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{
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_ASN_ENCODE_FAILED;
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}
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}
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for (seq = -1; seq < list->count;)
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{
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ssize_t mayEncode;
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if (seq < 0)
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{
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seq = 0;
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}
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if (ct && ct->effective_bits >= 0)
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{
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mayEncode = list->count;
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}
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else
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{
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mayEncode = uper_put_length(po, list->count - seq);
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if (mayEncode < 0)
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{
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_ASN_ENCODE_FAILED;
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}
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}
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while (mayEncode--)
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{
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void *memb_ptr = list->array[seq++];
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if (!memb_ptr)
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{
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_ASN_ENCODE_FAILED;
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}
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er = elm->type->uper_encoder(
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elm->type, elm->per_constraints, memb_ptr, po);
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if (er.encoded == -1)
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{
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_ASN_ENCODE_FAILED;
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}
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}
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}
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_ASN_ENCODED_OK(er);
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}
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