4.115
Last change
on this file since 3ba4f828 was
3ba4f828,
checked in by Sebastian Huber <sebastian.huber@…>, on 03/02/12 at 09:18:10
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Filesystem: Read-only file system checks
o Make sure EROFS is indicated for write operations on a read-only file
system.
o Add error indication for read-only file systems in fchmod() and
fchown() according to POSIX.
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-
Property mode set to
100644
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File size:
866 bytes
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1 | /* |
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2 | * fchmod() - POSIX 1003.1b 5.6.4 - Change File Modes |
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3 | * |
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4 | * COPYRIGHT (c) 1989-2011. |
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5 | * On-Line Applications Research Corporation (OAR). |
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6 | * |
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7 | * The license and distribution terms for this file may be |
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8 | * found in the file LICENSE in this distribution or at |
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9 | * http://www.rtems.com/license/LICENSE. |
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10 | * |
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11 | * $Id$ |
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12 | */ |
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13 | |
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14 | #if HAVE_CONFIG_H |
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15 | #include "config.h" |
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16 | #endif |
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17 | |
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18 | #include <sys/stat.h> |
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19 | |
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20 | #include <rtems/libio_.h> |
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21 | |
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22 | int fchmod( int fd, mode_t mode ) |
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23 | { |
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24 | int rv; |
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25 | rtems_libio_t *iop; |
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26 | |
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27 | rtems_libio_check_fd( fd ); |
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28 | iop = rtems_libio_iop( fd ); |
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29 | rtems_libio_check_is_open(iop); |
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30 | |
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31 | if (iop->pathinfo.mt_entry->writeable) { |
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32 | rtems_filesystem_instance_lock( &iop->pathinfo ); |
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33 | rv = (*iop->pathinfo.ops->fchmod_h)( &iop->pathinfo, mode ); |
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34 | rtems_filesystem_instance_unlock( &iop->pathinfo ); |
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35 | } else { |
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36 | errno = EROFS; |
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37 | rv = -1; |
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38 | } |
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39 | |
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40 | return rv; |
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41 | } |
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