diff options
Diffstat (limited to 'cpukit/libfs/src/dosfs/msdos_dir.c')
| -rw-r--r-- | cpukit/libfs/src/dosfs/msdos_dir.c | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/cpukit/libfs/src/dosfs/msdos_dir.c b/cpukit/libfs/src/dosfs/msdos_dir.c index 67a0bdaaa9..8bd807dc1b 100644 --- a/cpukit/libfs/src/dosfs/msdos_dir.c +++ b/cpukit/libfs/src/dosfs/msdos_dir.c @@ -30,70 +30,6 @@ #include "msdos.h" -/* msdos_dir_open -- - * Open fat-file which correspondes to the directory being opened and - * set offset field of file control block to zero. - */ -int -msdos_dir_open(rtems_libio_t *iop, const char *pathname, int oflag, - mode_t mode) -{ - int rc = RC_OK; - rtems_status_code sc = RTEMS_SUCCESSFUL; - msdos_fs_info_t *fs_info = iop->pathinfo.mt_entry->fs_info; - fat_file_fd_t *fat_fd = iop->pathinfo.node_access; - - sc = rtems_semaphore_obtain(fs_info->vol_sema, RTEMS_WAIT, - MSDOS_VOLUME_SEMAPHORE_TIMEOUT); - if (sc != RTEMS_SUCCESSFUL) - rtems_set_errno_and_return_minus_one( EIO ); - - rc = fat_file_reopen(fat_fd); - if (rc != RC_OK) - { - rtems_semaphore_release(fs_info->vol_sema); - return rc; - } - - iop->offset = 0; - rtems_semaphore_release(fs_info->vol_sema); - return RC_OK; -} - -/* msdos_dir_close -- - * Close fat-file which correspondes to the directory being closed - * - * PARAMETERS: - * iop - file control block - * - * RETURNS: - * RC_OK, if directory closed successfully, or -1 if error occured (errno - * set apropriately. - */ -int -msdos_dir_close(rtems_libio_t *iop) -{ - int rc = RC_OK; - rtems_status_code sc = RTEMS_SUCCESSFUL; - msdos_fs_info_t *fs_info = iop->pathinfo.mt_entry->fs_info; - fat_file_fd_t *fat_fd = iop->pathinfo.node_access; - - sc = rtems_semaphore_obtain(fs_info->vol_sema, RTEMS_WAIT, - MSDOS_VOLUME_SEMAPHORE_TIMEOUT); - if (sc != RTEMS_SUCCESSFUL) - rtems_set_errno_and_return_minus_one( EIO ); - - rc = fat_file_close(iop->pathinfo.mt_entry, fat_fd); - if (rc != RC_OK) - { - rtems_semaphore_release(fs_info->vol_sema); - return rc; - } - - rtems_semaphore_release(fs_info->vol_sema); - return RC_OK; -} - /* msdos_format_dirent_with_dot -- * This routine convert a (short) MSDOS filename as present on disk * (fixed 8+3 characters, filled with blanks, without separator dot) @@ -465,38 +401,6 @@ msdos_dir_read(rtems_libio_t *iop, void *buffer, size_t count) * no write for directory */ -/* msdos_dir_lseek -- - * - * This routine will behave in one of three ways based on the state of - * argument whence. Based on the state of its value the offset argument will - * be interpreted using one of the following methods: - * - * SEEK_SET - offset is the absolute byte offset from the start of the - * logical start of the dirent sequence that represents the - * directory - * SEEK_CUR - offset is used as the relative byte offset from the current - * directory position index held in the iop structure - * SEEK_END - N/A --> This will cause an assert. - * - * PARAMETERS: - * iop - file control block - * offset - offset - * whence - predefine directive - * - * RETURNS: - * RC_OK on success, or -1 if error occured (errno - * set apropriately). - */ -off_t -msdos_dir_lseek(rtems_libio_t *iop, off_t offset, int whence) -{ - if (iop->offset >= 0 && iop->offset <= iop->size) { - return 0; - } else { - rtems_set_errno_and_return_minus_one(EINVAL); - } -} - /* msdos_dir_stat -- * * This routine will obtain the following information concerning the current @@ -553,34 +457,3 @@ msdos_dir_stat( * RETURNS: * */ - -/* msdos_dir_sync -- - * The following routine does a syncronization on a MSDOS directory node. - * DIR_WrtTime, DIR_WrtDate and DIR_fileSize fields of 32 Bytes Directory - * Entry Structure should not be updated for directories, so only call - * to corresponding fat-file routine. - * - * PARAMETERS: - * iop - file control block - * - * RETURNS: - * RC_OK on success, or -1 if error occured (errno set apropriately). - */ -int -msdos_dir_sync(rtems_libio_t *iop) -{ - int rc = RC_OK; - rtems_status_code sc = RTEMS_SUCCESSFUL; - fat_file_fd_t *fat_fd = iop->pathinfo.node_access; - msdos_fs_info_t *fs_info = iop->pathinfo.mt_entry->fs_info; - - sc = rtems_semaphore_obtain(fs_info->vol_sema, RTEMS_WAIT, - MSDOS_VOLUME_SEMAPHORE_TIMEOUT); - if (sc != RTEMS_SUCCESSFUL) - rtems_set_errno_and_return_minus_one(EIO); - - rc = fat_file_datasync(iop->pathinfo.mt_entry, fat_fd); - - rtems_semaphore_release(fs_info->vol_sema); - return rc; -} |