4.115
Last change
on this file since c499856 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:
1.3 KB
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1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief Creates an item in the main device table. |
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5 | * @ingroup DevFsDeviceTable Define Device Table Type |
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6 | */ |
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7 | |
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8 | /* |
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9 | * The license and distribution terms for this file may be |
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10 | * found in the file LICENSE in this distribution or at |
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11 | * http://www.rtems.org/license/LICENSE. |
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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 | #include <stdlib.h> |
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20 | #include <string.h> |
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21 | |
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22 | #include "devfs.h" |
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23 | |
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24 | int devFS_mknod( |
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25 | const rtems_filesystem_location_info_t *parentloc, |
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26 | const char *name, |
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27 | size_t namelen, |
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28 | mode_t mode, |
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29 | dev_t dev |
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30 | ) |
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31 | { |
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32 | int rv = 0; |
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33 | |
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34 | if (namelen != 3 || name [0] != 'd' || name [1] != 'e' || name [2] != 'v') { |
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35 | if (S_ISBLK(mode) || S_ISCHR(mode)) { |
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36 | char *dupname = malloc(namelen); |
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37 | |
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38 | if (dupname != NULL) { |
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39 | devFS_node *node = parentloc->node_access; |
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40 | |
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41 | node->name = dupname; |
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42 | node->namelen = namelen; |
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43 | node->major = rtems_filesystem_dev_major_t(dev); |
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44 | node->minor = rtems_filesystem_dev_minor_t(dev); |
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45 | node->mode = mode; |
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46 | memcpy(dupname, name, namelen); |
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47 | } else { |
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48 | errno = ENOMEM; |
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49 | rv = -1; |
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50 | } |
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51 | } else { |
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52 | errno = ENOTSUP; |
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53 | rv = -1; |
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54 | } |
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55 | } else { |
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56 | if (!S_ISDIR(mode)) { |
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57 | errno = ENOTSUP; |
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58 | rv = -1; |
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59 | } |
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60 | } |
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61 | |
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62 | return rv; |
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63 | } |
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