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/*
* write() - POSIX 1003.1b 6.4.2 - Write to a File
*
* 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.com/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/libio_.h>
#include <rtems/seterr.h>
/*
* write
*
* This routine writes count bytes from from buffer pointed to by buffer
* to the file associated with the open file descriptor, fildes.
*/
ssize_t write(
int fd,
const void *buffer,
size_t count
)
{
rtems_libio_t *iop;
rtems_libio_check_fd( fd );
iop = rtems_libio_iop( fd );
rtems_libio_check_is_open( iop );
rtems_libio_check_buffer( buffer );
rtems_libio_check_count( count );
rtems_libio_check_permissions_with_error( iop, LIBIO_FLAGS_WRITE, EBADF );
/*
* Now process the write() request.
*/
return (*iop->pathinfo.handlers->write_h)( iop, buffer, count );
}
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