xx.h File Reference

xxHash64 file hashing functions. More...

#include <stddef.h>
#include <stdint.h>

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Data Structures
struct	xxreq_s
	File hash request structure for processing file hash changes. More...

Macros
#define	XXBUFSZE   65536
	Size of the buffer used for reading files to hash.

Functions
uint64_t	xxupdate (const struct xxreq_s *req)
	Processes a file hash request. If the file's last modified time or size differ from the previous stat info pst, the file is re-hashed and the current hash value is returned. Otherwise the previous pxx hash value is returned indicating no change.

Detailed Description

xxHash64 file hashing functions.

Macro Definition Documentation

XXBUFSZE

#define XXBUFSZE   65536

Size of the buffer used for reading files to hash.

Function Documentation

xxupdate()

uint64_t xxupdate

(

const struct xxreq_s *

req

)

Processes a file hash request. If the file's last modified time or size differ from the previous stat info pst, the file is re-hashed and the current hash value is returned. Otherwise the previous pxx hash value is returned indicating no change.

Parameters

req	The file hash request structure containing the filepath, previous and current stat info, and previous hash value (if known).

Returns

0 if an error occurred, otherwise the current hash value.

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