4.104.114.84.95
Last change
on this file since b449267 was
a02224e,
checked in by Joel Sherrill <joel.sherrill@…>, on 01/04/02 at 18:29:37
|
2002-01-04 Ralf Corsepius <corsepiu@…>
- include/rtems/libio_.h: Remove set_errno_and_return_minus_one.
- libc/cfsetispeed.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/cfsetospeed.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/chdir.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/chmod.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/chown.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/chroot.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/closedir.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/eval.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/fchdir.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/fchmod.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/fdatasync.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/fpathconf.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/fstat.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/fsync.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/ftruncate.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/getdents.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/ioctl.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/link.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/lseek.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/mknod.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/open.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/read.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/readlink.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/rmdir.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/stat.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/symlink.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/tcsetattr.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/telldir.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/ttyname.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/ttyname_r.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/unlink.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/unmount.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/utime.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
- libc/write.c: Include <rtems/seterr.h>.
Apply rtems_set_errno_and_return_minus_one.
|
-
Property mode set to
100644
|
File size:
1.2 KB
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Line | |
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1 | /* |
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2 | * ftruncate() - Truncate a File to the Specified Length |
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3 | * |
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4 | * COPYRIGHT (c) 1989-1999. |
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5 | * On-Line Applications Research Corporation (OAR). |
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6 | * |
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7 | * The license and distribution terms for this file may be |
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8 | * found in the file LICENSE in this distribution or at |
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9 | * http://www.OARcorp.com/rtems/license.html. |
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10 | * |
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11 | * $Id$ |
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12 | */ |
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13 | |
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14 | #if HAVE_CONFIG_H |
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15 | #include "config.h" |
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16 | #endif |
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17 | |
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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 <rtems/libio_.h> |
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22 | #include <rtems/seterr.h> |
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23 | |
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24 | int ftruncate( |
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25 | int fd, |
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26 | off_t length |
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27 | ) |
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28 | { |
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29 | rtems_libio_t *iop; |
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30 | rtems_filesystem_location_info_t loc; |
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31 | |
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32 | rtems_libio_check_fd( fd ); |
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33 | iop = rtems_libio_iop( fd ); |
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34 | rtems_libio_check_is_open(iop); |
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35 | |
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36 | /* |
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37 | * Now process the ftruncate() request. |
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38 | */ |
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39 | |
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40 | /* |
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41 | * Make sure we are not working on a directory |
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42 | */ |
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43 | |
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44 | loc = iop->pathinfo; |
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45 | if ( !loc.ops->node_type_h ) |
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46 | rtems_set_errno_and_return_minus_one( ENOTSUP ); |
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47 | |
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48 | if ( (*loc.ops->node_type_h)( &loc ) == RTEMS_FILESYSTEM_DIRECTORY ) |
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49 | rtems_set_errno_and_return_minus_one( EISDIR ); |
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50 | |
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51 | rtems_libio_check_permissions( iop, LIBIO_FLAGS_WRITE ); |
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52 | |
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53 | if ( !iop->handlers->ftruncate_h ) |
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54 | rtems_set_errno_and_return_minus_one( ENOTSUP ); |
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55 | |
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56 | return (*iop->handlers->ftruncate_h)( iop, length ); |
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57 | } |
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58 | |
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