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38 lines
722 B
C
38 lines
722 B
C
#include "wire/tlvstream.h"
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#include <assert.h>
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#include <wire/wire.h>
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#ifndef SUPERVERBOSE
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#define SUPERVERBOSE(...)
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#endif
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/* Append a stream of tlvs. */
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void towire_tlvs(u8 **pptr,
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const struct tlv_record_type types[],
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size_t num_types,
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const void *record)
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{
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if (!record)
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return;
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for (size_t i = 0; i < num_types; i++) {
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u8 *val;
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if (i != 0)
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assert(types[i].type > types[i-1].type);
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val = types[i].towire(NULL, record);
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if (!val)
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continue;
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/* BOLT #1:
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*
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* The sending node:
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...
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* - MUST minimally encode `type` and `length`.
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*/
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towire_bigsize(pptr, types[i].type);
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towire_bigsize(pptr, tal_bytelen(val));
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towire(pptr, val, tal_bytelen(val));
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tal_free(val);
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}
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}
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