iovec.h File Reference

#include <freeradius-devel/util/dbuff.h>
#include <freeradius-devel/util/time.h>
#include <unistd.h>
#include <sys/uio.h>

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Functions
fr_slen_t	fr_concatv (fr_dbuff_t *out, struct iovec vector[], int iovcnt)
	Concatenate an iovec into a dbuff.
ssize_t	fr_writev (int fd, struct iovec vector[], int iovcnt, fr_time_delta_t timeout)
	Write out a vector to a file descriptor.

Function Documentation

fr_concatv()

fr_slen_t fr_concatv	(	fr_dbuff_t *	out,
		struct iovec	vector[],
		int	iovcnt
	)

Concatenate an iovec into a dbuff.

Parameters

[out]	out	dbuff to write to.
[in]	vector	to concatenate.
[in]	iovcnt	length of vector array.

Returns

• >= 0 on success.
• <0 on failure.

Definition at line 38 of file iovec.c.

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fr_writev()

ssize_t fr_writev	(	int	fd,
		struct iovec	vector[],
		int	iovcnt,
		fr_time_delta_t	timeout
	)

Write out a vector to a file descriptor.

Wraps writev, calling it as necessary. If timeout is not NULL, timeout is applied to each call that returns EAGAIN or EWOULDBLOCK

Note

Should only be used on nonblocking file descriptors.

Socket should likely be closed on timeout.

iovec may be modified in such a way that it's not reusable.

Leaves errno set to the last error that occurred.

Parameters

fd	to write to.
vector	to write.
iovcnt	number of elements in iovec.
timeout	how long to wait for fd to become writable before timing out.

Returns

• Number of bytes written.
• -1 on failure.

Definition at line 68 of file iovec.c.

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