33 lines
758 B
C
33 lines
758 B
C
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/***
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* handles varint
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*/
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#ifndef _VARINT_H_
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#define _VARINT_H_
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#include <stdlib.h>
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/**
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* Encode an unsigned long long into a varint
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* @param n the number to encode
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* @param buf where to put the results
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* @param len the length of buf
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* @param bytes the length written
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* @returns a pointer to the buf
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*/
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unsigned char* varint_encode(const unsigned long long n, unsigned char* buf, int len, size_t* bytes);
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/***
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* decode a varint
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* @param buf the buffer that contains the varint
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* @param len the length of the buffer
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* @param bytes number of bytes processed
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* @returns the value decoded
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*/
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unsigned long long varint_decode(const unsigned char* buf, int len, size_t* bytes);
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/**
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*
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*/
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int varint_encoding_length(unsigned long long n);
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#endif
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