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18 lines
502 B
18 lines
502 B
9 years ago
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#ifndef LIGHTNING_BITCOIN_VARINT_H
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#define LIGHTNING_BITCOIN_VARINT_H
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#include "config.h"
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#include <ccan/short_types/short_types.h>
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#include <stdlib.h>
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/* We unpack varints for our in-memory representation */
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#define varint_t u64
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#define VARINT_MAX_LEN 9
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/* Returns bytes used (up to 9) */
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size_t varint_put(u8 buf[VARINT_MAX_LEN], varint_t v);
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/* Returns bytes used: 0 if max_len too small. */
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size_t varint_get(const u8 *p, size_t max_len, varint_t *val);
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#endif /* LIGHTNING_BITCOIN_VARINT_H */
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