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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2012-02-24 09:53:22 +0100 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2012-03-13 12:23:45 +0100 |
| commit | adef4e469672039321f3cfbe77306ff5dbbe5467 (patch) | |
| tree | 0e304aa1c80b49382e3756314e283aa84cfbefb3 | |
| parent | Filesystem: Read-only file system checks (diff) | |
| download | rtems-adef4e469672039321f3cfbe77306ff5dbbe5467.tar.bz2 | |
Filesystem: New function
New function rtems_filesystem_default_lseek_success().
| -rw-r--r-- | cpukit/libcsupport/include/rtems/libio.h | 20 | ||||
| -rw-r--r-- | cpukit/libfs/Makefile.am | 1 | ||||
| -rw-r--r-- | cpukit/libfs/src/defaults/default_lseek_success.c | 29 |
3 files changed, 46 insertions, 4 deletions
diff --git a/cpukit/libcsupport/include/rtems/libio.h b/cpukit/libcsupport/include/rtems/libio.h index 4a09e0c18b..e17a4380f4 100644 --- a/cpukit/libcsupport/include/rtems/libio.h +++ b/cpukit/libcsupport/include/rtems/libio.h @@ -844,13 +844,14 @@ typedef int (*rtems_filesystem_ioctl_t)( * @brief Moves the read/write file offset. * * @param[in, out] iop The IO pointer. - * @param[in] offset The new offset. - * @param[in] whence The reference position of the new offset. + * @param[in] offset The offset. + * @param[in] whence The reference position for the offset. * * @retval non-negative The new offset from the beginning of the file. * @retval -1 An error occured. The errno is set to indicate the error. * - * @see rtems_filesystem_default_lseek(). + * @see rtems_filesystem_default_lseek() and + * rtems_filesystem_default_lseek_success(). */ typedef off_t (*rtems_filesystem_lseek_t)( rtems_libio_t *iop, @@ -1019,7 +1020,18 @@ int rtems_filesystem_default_ioctl( */ off_t rtems_filesystem_default_lseek( rtems_libio_t *iop, - off_t length, + off_t offset, + int whence +); + +/** + * @retval 0 Always. + * + * @see rtems_filesystem_lseek_t. + */ +off_t rtems_filesystem_default_lseek_success( + rtems_libio_t *iop, + off_t offset, int whence ); diff --git a/cpukit/libfs/Makefile.am b/cpukit/libfs/Makefile.am index ad103482ef..18c4c47a53 100644 --- a/cpukit/libfs/Makefile.am +++ b/cpukit/libfs/Makefile.am @@ -21,6 +21,7 @@ libdefaultfs_a_SOURCES = \ src/defaults/default_chown.c \ src/defaults/default_fcntl.c src/defaults/default_fsmount.c \ src/defaults/default_ftruncate.c src/defaults/default_lseek.c \ + src/defaults/default_lseek_success.c \ src/defaults/default_readlink.c src/defaults/default_statvfs.c \ src/defaults/default_utime.c \ src/defaults/default_fdatasync.c src/defaults/default_fstat.c \ diff --git a/cpukit/libfs/src/defaults/default_lseek_success.c b/cpukit/libfs/src/defaults/default_lseek_success.c new file mode 100644 index 0000000000..d6a1cb4d8c --- /dev/null +++ b/cpukit/libfs/src/defaults/default_lseek_success.c @@ -0,0 +1,29 @@ + +/* + * Copyright (c) 2012 embedded brains GmbH. All rights reserved. + * + * embedded brains GmbH + * Obere Lagerstr. 30 + * 82178 Puchheim + * Germany + * <rtems@embedded-brains.de> + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + */ + +#if HAVE_CONFIG_H + #include "config.h" +#endif + +#include <rtems/libio_.h> + +off_t rtems_filesystem_default_lseek_success( + rtems_libio_t *iop, + off_t offset, + int whence +) +{ + return 0; +} |