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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Rev | Line | |
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[37535317] | 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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