5
Last change
on this file since 339069fc was
339069fc,
checked in by Sebastian Huber <sebastian.huber@…>, on 12/13/17 at 07:02:09
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devfs: Include <rtems/devfs.h>
Prepare for header file move to common include directory.
Update #3254.
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Property mode set to
100644
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File size:
1.3 KB
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Rev | Line | |
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[9bff3752] | 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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[d40da79b] | 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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[c499856] | 11 | * http://www.rtems.org/license/LICENSE. |
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[d40da79b] | 12 | */ |
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| 13 | |
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| 14 | #if HAVE_CONFIG_H |
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[3b7c123] | 15 | #include "config.h" |
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[d40da79b] | 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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[3b7c123] | 20 | #include <string.h> |
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[d40da79b] | 21 | |
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[339069fc] | 22 | #include <rtems/devfs.h> |
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[d40da79b] | 23 | |
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| 24 | int devFS_mknod( |
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[3b7c123] | 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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[d40da79b] | 30 | ) |
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| 31 | { |
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[3b7c123] | 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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[d40da79b] | 60 | } |
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| 61 | |
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[3b7c123] | 62 | return rv; |
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[d40da79b] | 63 | } |
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