66 lines
1.8 KiB
C
66 lines
1.8 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 <OCTET_STRING.h>
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int
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OCTET_STRING_print(const asn_TYPE_descriptor_t *td, const void *sptr,
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int ilevel, asn_app_consume_bytes_f *cb, void *app_key) {
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const char * const h2c = "0123456789ABCDEF";
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const OCTET_STRING_t *st = (const OCTET_STRING_t *)sptr;
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char scratch[16 * 3 + 4];
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char *p = scratch;
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uint8_t *buf;
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uint8_t *end;
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size_t i;
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(void)td; /* Unused argument */
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if(!st || (!st->buf && st->size))
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return (cb("<absent>", 8, app_key) < 0) ? -1 : 0;
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/*
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* Dump the contents of the buffer in hexadecimal.
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*/
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buf = st->buf;
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end = (buf == NULL)? NULL : buf + st->size;
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for(i = 0; buf < end; buf++, i++) {
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if(!(i % 16) && (i || st->size > 16)) {
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if(cb(scratch, p - scratch, app_key) < 0)
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return -1;
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_i_INDENT(1);
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p = scratch;
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}
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*p++ = h2c[(*buf >> 4) & 0x0F];
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*p++ = h2c[*buf & 0x0F];
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*p++ = 0x20;
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}
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if(p > scratch) {
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p--; /* Remove the tail space */
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if(cb(scratch, p - scratch, app_key) < 0)
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return -1;
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}
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return 0;
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}
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int
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OCTET_STRING_print_utf8(const asn_TYPE_descriptor_t *td, const void *sptr,
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int ilevel, asn_app_consume_bytes_f *cb,
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void *app_key) {
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const OCTET_STRING_t *st = (const OCTET_STRING_t *)sptr;
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(void)td; /* Unused argument */
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(void)ilevel; /* Unused argument */
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if(st && (st->buf || !st->size)) {
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return (cb(st->buf, st->size, app_key) < 0) ? -1 : 0;
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} else {
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return (cb("<absent>", 8, app_key) < 0) ? -1 : 0;
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}
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}
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