1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief Create a Special or Ordinary 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) 1989-1999. |
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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 <sys/stat.h> |
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22 | |
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23 | #include <rtems/libio_.h> |
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24 | |
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25 | int rtems_filesystem_mknod( |
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26 | const rtems_filesystem_location_info_t *parentloc, |
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27 | const char *name, |
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28 | size_t namelen, |
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29 | mode_t mode, |
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30 | dev_t dev |
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31 | ) |
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32 | { |
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33 | int rv = 0; |
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34 | |
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35 | mode &= ~rtems_filesystem_umask; |
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36 | |
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37 | switch (mode & S_IFMT) { |
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38 | case S_IFBLK: |
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39 | case S_IFCHR: |
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40 | case S_IFDIR: |
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41 | case S_IFIFO: |
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42 | case S_IFREG: |
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43 | break; |
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44 | default: |
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45 | errno = EINVAL; |
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46 | rv = -1; |
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47 | break; |
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48 | } |
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49 | |
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50 | if ( rv == 0 ) { |
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51 | const rtems_filesystem_operations_table *ops = parentloc->mt_entry->ops; |
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52 | |
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53 | rv = (*ops->mknod_h)( parentloc, name, namelen, mode, dev ); |
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54 | } |
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55 | |
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56 | return rv; |
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57 | } |
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58 | |
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59 | /** |
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60 | * This routine is not defined in the POSIX 1003.1b standard but is |
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61 | * commonly supported on most UNIX and POSIX systems. It is the |
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62 | * foundation for creating file system objects. |
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63 | */ |
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64 | int mknod( const char *path, mode_t mode, dev_t dev ) |
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65 | { |
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66 | int rv = 0; |
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67 | rtems_filesystem_eval_path_context_t ctx; |
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68 | int eval_flags = RTEMS_FS_FOLLOW_LINK |
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69 | | RTEMS_FS_MAKE |
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70 | | RTEMS_FS_EXCLUSIVE |
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71 | | (S_ISDIR(mode) ? RTEMS_FS_ACCEPT_RESIDUAL_DELIMITERS : 0); |
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72 | const rtems_filesystem_location_info_t *currentloc = |
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73 | rtems_filesystem_eval_path_start( &ctx, path, eval_flags ); |
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74 | |
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75 | rv = rtems_filesystem_mknod( |
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76 | currentloc, |
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77 | rtems_filesystem_eval_path_get_token( &ctx ), |
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78 | rtems_filesystem_eval_path_get_tokenlen( &ctx ), |
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79 | mode, |
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80 | dev |
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81 | ); |
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82 | |
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83 | rtems_filesystem_eval_path_cleanup( &ctx ); |
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84 | |
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85 | return rv; |
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86 | } |
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