4.115
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1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief IMFS Node Removal Handler |
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5 | * @ingroup IMFS |
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6 | */ |
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7 | |
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8 | /* |
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9 | * COPYRIGHT (c) 1989-1999. |
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10 | * On-Line Applications Research Corporation (OAR). |
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11 | * |
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12 | * Modifications to support reference counting in the file system are |
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13 | * Copyright (c) 2012 embedded brains GmbH. |
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14 | * |
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15 | * The license and distribution terms for this file may be |
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16 | * found in the file LICENSE in this distribution or at |
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17 | * http://www.rtems.com/license/LICENSE. |
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18 | */ |
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19 | |
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20 | #if HAVE_CONFIG_H |
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21 | #include "config.h" |
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22 | #endif |
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23 | |
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24 | #include "imfs.h" |
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25 | |
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26 | int IMFS_rmnod( |
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27 | const rtems_filesystem_location_info_t *parentloc, |
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28 | const rtems_filesystem_location_info_t *loc |
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29 | ) |
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30 | { |
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31 | int rv = 0; |
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32 | IMFS_jnode_t *node = loc->node_access; |
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33 | |
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34 | node = (*node->control->node_remove)( node ); |
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35 | if ( node != NULL ) { |
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36 | --node->reference_count; |
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37 | --node->st_nlink; |
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38 | if ( node->Parent != NULL ) { |
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39 | IMFS_remove_from_directory( node ); |
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40 | } |
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41 | } else { |
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42 | rv = -1; |
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43 | } |
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44 | |
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45 | return rv; |
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46 | } |
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