diff options
Diffstat (limited to 'cpukit/libfs/src/dosfs/fat_file.c')
| -rw-r--r-- | cpukit/libfs/src/dosfs/fat_file.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/cpukit/libfs/src/dosfs/fat_file.c b/cpukit/libfs/src/dosfs/fat_file.c index 2899f1b414..1f20926884 100644 --- a/cpukit/libfs/src/dosfs/fat_file.c +++ b/cpukit/libfs/src/dosfs/fat_file.c @@ -165,6 +165,38 @@ fat_file_reopen(fat_file_fd_t *fat_fd) return RC_OK; } +int +fat_file_update(fat_fs_info_t *fs_info, fat_file_fd_t *fat_fd) +{ + int ret_rc = RC_OK; + + /* + * if fat-file descriptor is not marked as "removed", synchronize + * size, first cluster number, write time and date fields of the file + */ + if (!FAT_FILE_IS_REMOVED(fat_fd)) + { + int rc; + + if (fat_fd->fat_file_type == FAT_FILE) + { + rc = fat_file_write_first_cluster_num(fs_info, fat_fd); + if (rc != RC_OK) + ret_rc = rc; + + rc = fat_file_write_file_size(fs_info, fat_fd); + if (rc != RC_OK) + ret_rc = rc; + } + + rc = fat_file_write_time_and_date(fs_info, fat_fd); + if (rc != RC_OK) + ret_rc = rc; + } + + return ret_rc; +} + /* fat_file_close -- * Close fat-file. If count of links to fat-file * descriptor is greater than 1 (i.e. somebody esle holds pointer @@ -204,6 +236,8 @@ fat_file_close( { uint32_t key = fat_construct_key(fs_info, &fat_fd->dir_pos.sname); + fat_file_update(fs_info, fat_fd); + if (fat_fd->flags & FAT_FILE_REMOVED) { rc = fat_file_truncate(fs_info, fat_fd, 0); |