X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?p=sim%2Fe2-interface.git;a=blobdiff_plain;f=e2sim%2Fprevious%2Fe2apv1sim%2FASN1c%2FBIT_STRING_oer.c;fp=e2sim%2Fprevious%2Fe2apv1sim%2FASN1c%2FBIT_STRING_oer.c;h=0000000000000000000000000000000000000000;hp=aff5075cdd7f7a325efb0b915d1f33b746eb5141;hb=f86662b5b6481f27e18313a36355871f3a947193;hpb=a9f02a2b5886990fd81e64f7c218c5d4844f18a3 diff --git a/e2sim/previous/e2apv1sim/ASN1c/BIT_STRING_oer.c b/e2sim/previous/e2apv1sim/ASN1c/BIT_STRING_oer.c deleted file mode 100644 index aff5075..0000000 --- a/e2sim/previous/e2apv1sim/ASN1c/BIT_STRING_oer.c +++ /dev/null @@ -1,174 +0,0 @@ -/* - * Copyright (c) 2017 Lev Walkin . - * All rights reserved. - * Redistribution and modifications are permitted subject to BSD license. - */ -#ifndef ASN_DISABLE_OER_SUPPORT - -#include -#include -#include - -asn_dec_rval_t -BIT_STRING_decode_oer(const asn_codec_ctx_t *opt_codec_ctx, - const asn_TYPE_descriptor_t *td, - const asn_oer_constraints_t *constraints, void **sptr, - const void *ptr, size_t size) { - BIT_STRING_t *st = (BIT_STRING_t *)*sptr; - const asn_oer_constraints_t *cts = - constraints ? constraints : td->encoding_constraints.oer_constraints; - ssize_t ct_size = cts ? cts->size : -1; - asn_dec_rval_t rval = {RC_OK, 0}; - size_t expected_length = 0; - - (void)opt_codec_ctx; - - if(!st) { - st = (BIT_STRING_t *)(*sptr = CALLOC(1, sizeof(*st))); - if(!st) ASN__DECODE_FAILED; - } - - if(ct_size >= 0) { - expected_length = (ct_size + 7) >> 3; - st->bits_unused = (8 - (ct_size & 7)) & 7; - } else { - /* - * X.696 (08/2015) #13.3.1 - * Encode length determinant as _number of octets_, but only - * if upper bound is not equal to lower bound. - */ - ssize_t len_len = oer_fetch_length(ptr, size, &expected_length); - if(len_len > 0) { - ptr = (const char *)ptr + len_len; - size -= len_len; - } else if(len_len == 0) { - ASN__DECODE_STARVED; - } else if(len_len < 0) { - ASN__DECODE_FAILED; - } - - if(expected_length < 1) { - ASN__DECODE_FAILED; - } else if(expected_length > size) { - ASN__DECODE_STARVED; - } - - st->bits_unused = ((const uint8_t *)ptr)[0]; - if(st->bits_unused & ~7) { - ASN_DEBUG("%s: unused bits outside of 0..7 range", td->name); - ASN__DECODE_FAILED; - } - ptr = (const char *)ptr + 1; - size--; - expected_length--; - rval.consumed = len_len + 1; - } - - if(size < expected_length) { - ASN__DECODE_STARVED; - } else { - uint8_t *buf = MALLOC(expected_length + 1); - if(buf == NULL) { - ASN__DECODE_FAILED; - } else { - memcpy(buf, ptr, expected_length); - buf[expected_length] = '\0'; - } - FREEMEM(st->buf); - st->buf = buf; - st->size = expected_length; - if(expected_length > 0) { - buf[expected_length - 1] &= (0xff << st->bits_unused); - } - - rval.consumed += expected_length; - return rval; - } -} - -/* - * Encode as Canonical OER. - */ -asn_enc_rval_t -BIT_STRING_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 BIT_STRING_t *st = (const BIT_STRING_t *)sptr; - asn_enc_rval_t erval = {0, 0, 0}; - const asn_oer_constraints_t *cts = - constraints ? constraints : td->encoding_constraints.oer_constraints; - ssize_t ct_size = cts ? cts->size : -1; - size_t trailing_zeros = 0; - int fix_last_byte = 0; - - if(!st) ASN__ENCODE_FAILED; - - if(st->bits_unused & ~7) { - ASN_DEBUG("BIT STRING unused bits %d out of 0..7 range", - st->bits_unused); - ASN__ENCODE_FAILED; - } - if(st->bits_unused && !(st->size && st->buf)) { - ASN_DEBUG("BIT STRING %s size 0 can't support unused bits %d", td->name, - st->bits_unused); - ASN__ENCODE_FAILED; - } - - if(ct_size >= 0) { - size_t ct_bytes = (ct_size + 7) >> 3; - if(st->size > ct_bytes) { - ASN_DEBUG("More bits in BIT STRING %s (%" ASN_PRI_SSIZE ") than constrained %" ASN_PRI_SSIZE "", - td->name, 8 * st->size - st->bits_unused, ct_size); - ASN__ENCODE_FAILED; - } - trailing_zeros = ct_bytes - st->size; /* Allow larger constraint */ - } else { - uint8_t ub = st->bits_unused & 7; - ssize_t len_len = oer_serialize_length(1 + st->size, cb, app_key); - if(len_len < 0) ASN__ENCODE_FAILED; - if(cb(&ub, 1, app_key) < 0) { - ASN__ENCODE_FAILED; - } - erval.encoded += len_len + 1; - } - - if(st->bits_unused) { - if(st->buf[st->size - 1] & (0xff << st->bits_unused)) { - fix_last_byte = 1; - } - } - - if(cb(st->buf, st->size - fix_last_byte, app_key) < 0) { - ASN__ENCODE_FAILED; - } - - if(fix_last_byte) { - uint8_t b = st->buf[st->size - 1] & (0xff << st->bits_unused); - if(cb(&b, 1, app_key) < 0) { - ASN__ENCODE_FAILED; - } - } - - erval.encoded += st->size; - - if(trailing_zeros) { - static uint8_t zeros[16]; - while(trailing_zeros > 0) { - int ret; - if(trailing_zeros < sizeof(zeros)) { - ret = cb(zeros, trailing_zeros, app_key); - erval.encoded += trailing_zeros; - } else { - ret = cb(zeros, sizeof(zeros), app_key); - erval.encoded += sizeof(zeros); - } - if(ret < 0) ASN__ENCODE_FAILED; - } - } - - return erval; -} - - -#endif /* ASN_DISABLE_OER_SUPPORT */