blob: c5663293d2c02953189b33502c66c53ad3c21d62 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
/*
* writev() - POSIX 1003.1 - Write a Vector
*
* OpenGroup URL:
*
* http://www.opengroup.org/onlinepubs/009695399/functions/writev.html
*
* COPYRIGHT (c) 1989-2011.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/uio.h>
#include <rtems/libio_.h>
ssize_t writev(
int fd,
const struct iovec *iov,
int iovcnt
)
{
ssize_t total;
rtems_libio_t *iop;
total = rtems_libio_iovec_eval( fd, iov, iovcnt, LIBIO_FLAGS_WRITE, &iop );
if ( total > 0 ) {
total = ( *iop->pathinfo.handlers->writev_h )( iop, iov, iovcnt, total );
}
return total;
}
|