5
Last change
on this file since 1c6926c1 was
c499856,
checked in by Chris Johns <chrisj@…>, on 03/20/14 at 21:10:47
|
Change all references of rtems.com to rtems.org.
|
-
Property mode set to
100644
|
File size:
842 bytes
|
Line | |
---|
1 | /** |
---|
2 | * @file |
---|
3 | * |
---|
4 | * @brief Truncate a File to the Specified Length |
---|
5 | * @ingroup libcsupport |
---|
6 | */ |
---|
7 | |
---|
8 | /* |
---|
9 | * COPYRIGHT (c) 1989-1999. |
---|
10 | * On-Line Applications Research Corporation (OAR). |
---|
11 | * |
---|
12 | * The license and distribution terms for this file may be |
---|
13 | * found in the file LICENSE in this distribution or at |
---|
14 | * http://www.rtems.org/license/LICENSE. |
---|
15 | */ |
---|
16 | |
---|
17 | #if HAVE_CONFIG_H |
---|
18 | #include "config.h" |
---|
19 | #endif |
---|
20 | |
---|
21 | #include <unistd.h> |
---|
22 | |
---|
23 | #include <rtems/libio_.h> |
---|
24 | |
---|
25 | int ftruncate( int fd, off_t length ) |
---|
26 | { |
---|
27 | int rv = 0; |
---|
28 | |
---|
29 | if ( length >= 0 ) { |
---|
30 | rtems_libio_t *iop; |
---|
31 | |
---|
32 | rtems_libio_check_fd( fd ); |
---|
33 | iop = rtems_libio_iop( fd ); |
---|
34 | rtems_libio_check_is_open( iop ); |
---|
35 | rtems_libio_check_permissions( iop, LIBIO_FLAGS_WRITE ); |
---|
36 | |
---|
37 | rv = (*iop->pathinfo.handlers->ftruncate_h)( iop, length ); |
---|
38 | } else { |
---|
39 | errno = EINVAL; |
---|
40 | rv = -1; |
---|
41 | } |
---|
42 | |
---|
43 | return rv; |
---|
44 | } |
---|
Note: See
TracBrowser
for help on using the repository browser.