copyfile.h File Reference

#include <errno.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdint.h>

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Macros
#define	BUF_SIZE   8192 /* size of buffer for looping copy */

Functions
int	copyfile_seg (int infd, int outfd, uint64_t pos, int64_t count)
int	copyfile (int fromfd, int tofd)
int	copyfile_byname (const char *fromname, const char *toname)

Macro Definition Documentation

BUF_SIZE

#define BUF_SIZE   8192 /* size of buffer for looping copy */

Function Documentation

copyfile()

int copyfile	(	int	fromfd,
		int	tofd
	)

Copy a file to another file

Parameters

fromfd	file descriptor of the source file
tofd	file descriptor of the destination file

Returns

-1 on errors and 0 otherwise

copyfile_byname()

int copyfile_byname	(	const char *	fromname,
		const char *	toname
	)

Copy a file to another file

Parameters

fromname	file path of the source file
toname	file path of the destination file

Returns

-1 on errors and 0 otherwise

copyfile_seg()

int copyfile_seg	(	int	infd,
		int	outfd,
		uint64_t	pos,
		int64_t	count
	)

Copy a segment of a file to another file

Parameters

infd	file descriptor of the source file
outfd	file descriptor of the destination file
pos	offset within the source file
count	amount of bytes to be copied

Returns

-1 on errors and 0 otherwise