forked from Imagelibrary/rtems
41 lines
842 B
C
41 lines
842 B
C
/*
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* writev() - POSIX 1003.1 - Write a Vector
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*
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* OpenGroup URL:
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*
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* http://www.opengroup.org/onlinepubs/009695399/functions/writev.html
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*
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* COPYRIGHT (c) 1989-2011.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <sys/uio.h>
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#include <rtems/libio_.h>
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ssize_t writev(
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int fd,
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const struct iovec *iov,
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int iovcnt
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)
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{
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ssize_t total;
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rtems_libio_t *iop;
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total = rtems_libio_iovec_eval( fd, iov, iovcnt, LIBIO_FLAGS_WRITE, &iop );
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if ( total > 0 ) {
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total = ( *iop->pathinfo.handlers->writev_h )( iop, iov, iovcnt, total );
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}
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return total;
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}
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