4.104.114.84.95
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1 | /* |
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2 | * telldir() - XXX |
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3 | * |
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4 | * COPYRIGHT (c) 1989-1998. |
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5 | * On-Line Applications Research Corporation (OAR). |
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6 | * Copyright assigned to U.S. Government, 1994. |
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7 | * |
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8 | * The license and distribution terms for this file may be |
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9 | * found in the file LICENSE in this distribution or at |
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10 | * http://www.OARcorp.com/rtems/license.html. |
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11 | * |
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12 | */ |
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13 | |
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14 | #include <sys/param.h> |
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15 | #include <assert.h> |
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16 | #include <dirent.h> |
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17 | #include <stdlib.h> |
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18 | #include <unistd.h> |
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19 | #include <errno.h> |
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20 | |
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21 | #include "libio_.h" |
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22 | |
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23 | |
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24 | long telldir( |
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25 | DIR *dirp |
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26 | ) |
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27 | { |
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28 | rtems_libio_t *iop; |
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29 | |
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30 | if ( !dirp ) |
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31 | set_errno_and_return_minus_one( EBADF ); |
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32 | |
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33 | /* |
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34 | * Get the file control block structure associated with the |
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35 | * file descriptor |
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36 | */ |
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37 | |
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38 | iop = rtems_libio_iop( dirp->dd_fd ); |
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39 | |
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40 | if (iop == NULL) |
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41 | assert(0); |
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42 | |
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43 | return (long)( iop->offset ); |
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44 | } |
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