forked from acouzens/open5gs
61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
/*
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* Copyright (c) 2017 Lev Walkin <vlm@lionet.info>.
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* All rights reserved.
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* Redistribution and modifications are permitted subject to BSD license.
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*/
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#include <asn_internal.h>
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#include <BIT_STRING.h>
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asn_enc_rval_t
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BIT_STRING_encode_jer(const asn_TYPE_descriptor_t *td, const void *sptr,
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int ilevel, enum jer_encoder_flags_e flags,
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asn_app_consume_bytes_f *cb, void *app_key) {
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asn_enc_rval_t er = {0, 0, 0};
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const char * const h2c = "0123456789ABCDEF";
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char scratch[16 * 3 + 4];
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char *p = scratch;
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const BIT_STRING_t *st = (const BIT_STRING_t *)sptr;
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uint8_t *buf;
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uint8_t *end;
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if(!st || !st->buf)
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ASN__ENCODE_FAILED;
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er.encoded = 0;
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buf = st->buf;
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end = buf + st->size - 1; /* Last byte is special */
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/*
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* Hex dump
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*/
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*p++ = '"';
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for(int i = 0; buf < end; buf++, i++) {
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if(!(i % 16) && (i || st->size > 16)) {
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ASN__CALLBACK(scratch, p-scratch);
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p = scratch;
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}
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*p++ = h2c[*buf >> 4];
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*p++ = h2c[*buf & 0x0F];
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}
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ASN__CALLBACK(scratch, p - scratch);
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p = scratch;
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if(buf == end) {
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int ubits = st->bits_unused;
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uint8_t v = *buf & (0xff << ubits);
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*p++ = h2c[v >> 4];
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*p++ = h2c[v & 0x0F];
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ASN__CALLBACK(scratch, p - scratch);
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p = scratch;
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}
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*p++ = '"';
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ASN__CALLBACK(scratch, p - scratch);
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ASN__TEXT_INDENT(1, ilevel - 1);
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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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