4.104.114.84.95
Last change
on this file since 37535317 was
37535317,
checked in by Joel Sherrill <joel.sherrill@…>, on 01/26/01 at 14:12:48
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2001-01-25 Joel Sherrill <joel@…>
- cpu.c, rtems/score/cpu.h: Bug report from Peter Mueller
<peter.o.mueller@…> because of not correcting for the ISR
vector table now being allocated from the workspace.
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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 | * chroot() - Change Root Directory |
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3 | * Author: fernando.ruiz@ctv.es |
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4 | * |
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5 | * COPYRIGHT (c) 1989-1999. |
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6 | * On-Line Applications Research Corporation (OAR). |
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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 | * $Id$ |
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13 | */ |
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14 | |
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15 | #if HAVE_CONFIG_H |
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16 | #include "config.h" |
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17 | #endif |
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18 | |
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19 | #include <rtems.h> |
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20 | |
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21 | #include <unistd.h> |
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22 | #include <errno.h> |
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23 | |
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24 | #include <rtems/libio_.h> |
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25 | |
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26 | int chroot( |
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27 | const char *pathname |
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28 | ) |
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29 | { |
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30 | int result; |
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31 | rtems_filesystem_location_info_t loc; |
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32 | |
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33 | if (rtems_current_user_env == &rtems_global_user_env) |
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34 | set_errno_and_return_minus_one( ENOTSUP ); |
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35 | |
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36 | loc = rtems_filesystem_root;i /* save the value */ |
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37 | |
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38 | /* if has been already changed */ |
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39 | rtems_filesystem_root = rtems_global_user_env.filesystem_root; |
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40 | |
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41 | result = chdir(pathname); |
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42 | if (result) { |
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43 | rtems_filesystem_root = loc; /* restore the value */ |
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44 | set_errno_and_return_minus_one( errno ); |
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45 | }; |
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46 | rtems_filesystem_root = rtems_filesystem_current; |
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47 | |
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48 | result = chdir("/"); |
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49 | if (result) { |
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50 | rtems_filesystem_root = loc; /* restore the value */ |
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51 | set_errno_and_return_minus_one( errno ); |
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52 | }; |
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53 | |
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54 | /*XXX : Call this? Sorry but I don't known if it is necesary */ |
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55 | /* The old root. |
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56 | rtems_filesystem_freenode( &loc ); |
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57 | */ |
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58 | return 0; |
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59 | } |
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