4.115
Last change
on this file since e02d5dd9 was
c499856,
checked in by Chris Johns <chrisj@…>, on 03/20/14 at 21:10:47
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Change all references of rtems.com to rtems.org.
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-
Property mode set to
100644
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File size:
1.1 KB
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1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief Write to a File |
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5 | * @ingroup libcsupport |
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6 | */ |
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7 | |
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8 | /* |
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9 | * COPYRIGHT (c) 1989-2011. |
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10 | * On-Line Applications Research Corporation (OAR). |
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11 | * |
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12 | * The license and distribution terms for this file may be |
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13 | * found in the file LICENSE in this distribution or at |
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14 | * http://www.rtems.org/license/LICENSE. |
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15 | */ |
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16 | |
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17 | #if HAVE_CONFIG_H |
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18 | #include "config.h" |
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19 | #endif |
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20 | |
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21 | #include <rtems/libio_.h> |
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22 | #include <rtems/seterr.h> |
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23 | |
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24 | /** |
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25 | * POSIX 1003.1b 6.4.2 - Write to a File |
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26 | * |
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27 | * This routine writes count bytes from from buffer pointed to by buffer |
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28 | * to the file associated with the open file descriptor, fildes. |
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29 | */ |
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30 | ssize_t write( |
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31 | int fd, |
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32 | const void *buffer, |
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33 | size_t count |
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34 | ) |
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35 | { |
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36 | rtems_libio_t *iop; |
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37 | |
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38 | rtems_libio_check_fd( fd ); |
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39 | iop = rtems_libio_iop( fd ); |
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40 | rtems_libio_check_is_open( iop ); |
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41 | rtems_libio_check_buffer( buffer ); |
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42 | rtems_libio_check_count( count ); |
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43 | rtems_libio_check_permissions_with_error( iop, LIBIO_FLAGS_WRITE, EBADF ); |
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44 | |
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45 | /* |
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46 | * Now process the write() request. |
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47 | */ |
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48 | return (*iop->pathinfo.handlers->write_h)( iop, buffer, count ); |
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49 | } |
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