diff options
Diffstat (limited to 'cpukit/libfs/src/rfs/rtems-rfs-file.c')
| -rw-r--r-- | cpukit/libfs/src/rfs/rtems-rfs-file.c | 74 |
1 files changed, 37 insertions, 37 deletions
diff --git a/cpukit/libfs/src/rfs/rtems-rfs-file.c b/cpukit/libfs/src/rfs/rtems-rfs-file.c index 777726a23a..6087f764d6 100644 --- a/cpukit/libfs/src/rfs/rtems-rfs-file.c +++ b/cpukit/libfs/src/rfs/rtems-rfs-file.c @@ -40,7 +40,7 @@ rtems_rfs_file_open (rtems_rfs_file_system* fs, if (rtems_rfs_trace (RTEMS_RFS_TRACE_FILE_OPEN)) printf ("rtems-rfs: file-open: ino=%" PRId32 "\n", ino); - + *file = NULL; /* @@ -63,7 +63,7 @@ rtems_rfs_file_open (rtems_rfs_file_system* fs, free (handle); return rc; } - + /* * Scan the file system data list of open files for this ino. If found up * the reference count and return the pointer to the data. @@ -90,7 +90,7 @@ rtems_rfs_file_open (rtems_rfs_file_system* fs, } memset (shared, 0, sizeof (rtems_rfs_file_shared)); - + rc = rtems_rfs_inode_open (fs, ino, &shared->inode, true); if (rc > 0) { @@ -134,9 +134,9 @@ rtems_rfs_file_open (rtems_rfs_file_system* fs, handle->flags = flags; handle->shared = shared; - + *file = handle; - + return 0; } @@ -148,7 +148,7 @@ rtems_rfs_file_close (rtems_rfs_file_system* fs, int rc; rrc = 0; - + if (rtems_rfs_trace (RTEMS_RFS_TRACE_FILE_CLOSE)) printf ("rtems-rfs: file-close: entry: ino=%" PRId32 "\n", handle->shared->inode.ino); @@ -177,7 +177,7 @@ rtems_rfs_file_close (rtems_rfs_file_system* fs, rtems_rfs_block_map_set_size (&handle->shared->map, &handle->shared->size); } - + rc = rtems_rfs_block_map_close (fs, &handle->shared->map); if (rc > 0) { @@ -187,7 +187,7 @@ rtems_rfs_file_close (rtems_rfs_file_system* fs, if (rrc == 0) rrc = rc; } - + rc = rtems_rfs_inode_close (fs, &handle->shared->inode); if (rc > 0) { @@ -197,7 +197,7 @@ rtems_rfs_file_close (rtems_rfs_file_system* fs, if (rrc == 0) rrc = rc; } - + rtems_chain_extract (&handle->shared->link); free (handle->shared); } @@ -205,7 +205,7 @@ rtems_rfs_file_close (rtems_rfs_file_system* fs, rc = rtems_rfs_buffer_handle_close (fs, &handle->buffer); if ((rrc == 0) && (rc > 0)) rrc = rc; - + if (rrc > 0) { if (rtems_rfs_trace (RTEMS_RFS_TRACE_FILE_CLOSE)) @@ -213,7 +213,7 @@ rtems_rfs_file_close (rtems_rfs_file_system* fs, } free (handle); - + return rrc; } @@ -223,19 +223,19 @@ rtems_rfs_file_io_start (rtems_rfs_file_handle* handle, bool read) { size_t size; - + if (rtems_rfs_trace (RTEMS_RFS_TRACE_FILE_IO)) printf ("rtems-rfs: file-io: start: %s pos=%" PRIu32 ":%" PRIu32 "\n", read ? "read" : "write", handle->bpos.bno, handle->bpos.boff); - + if (!rtems_rfs_buffer_handle_has_block (&handle->buffer)) { rtems_rfs_buffer_block block; bool request_read; int rc; - + request_read = read; - + rc = rtems_rfs_block_map_find (rtems_rfs_file_fs (handle), rtems_rfs_file_map (handle), rtems_rfs_file_bpos (handle), @@ -250,13 +250,13 @@ rtems_rfs_file_io_start (rtems_rfs_file_handle* handle, *available = 0; return 0; } - + if (rc != ENXIO) return rc; if (rtems_rfs_trace (RTEMS_RFS_TRACE_FILE_IO)) printf ("rtems-rfs: file-io: start: grow\n"); - + rc = rtems_rfs_block_map_grow (rtems_rfs_file_fs (handle), rtems_rfs_file_map (handle), 1, &block); @@ -277,31 +277,31 @@ rtems_rfs_file_io_start (rtems_rfs_file_handle* handle, (*available < rtems_rfs_fs_block_size (rtems_rfs_file_fs (handle))))) request_read = true; } - + if (rtems_rfs_trace (RTEMS_RFS_TRACE_FILE_IO)) printf ("rtems-rfs: file-io: start: block=%" PRIu32 " request-read=%s\n", block, request_read ? "yes" : "no"); - + rc = rtems_rfs_buffer_handle_request (rtems_rfs_file_fs (handle), rtems_rfs_file_buffer (handle), block, request_read); if (rc > 0) return rc; } - + if (read && rtems_rfs_block_map_last (rtems_rfs_file_map (handle)) && rtems_rfs_block_map_size_offset (rtems_rfs_file_map (handle))) size = rtems_rfs_block_map_size_offset (rtems_rfs_file_map (handle)); else size = rtems_rfs_fs_block_size (rtems_rfs_file_fs (handle)); - + *available = size - rtems_rfs_file_block_offset (handle); if (rtems_rfs_trace (RTEMS_RFS_TRACE_FILE_IO)) printf ("rtems-rfs: file-io: start: available=%zu (%zu)\n", *available, size); - + return 0; } @@ -318,7 +318,7 @@ rtems_rfs_file_io_end (rtems_rfs_file_handle* handle, if (rtems_rfs_trace (RTEMS_RFS_TRACE_FILE_IO)) printf ("rtems-rfs: file-io: end: %s size=%zu\n", read ? "read" : "write", size); - + if (rtems_rfs_buffer_handle_has_block (&handle->buffer)) { if (!read) @@ -330,7 +330,7 @@ rtems_rfs_file_io_end (rtems_rfs_file_handle* handle, printf ( "rtems-rfs: file-io: end: error on release: %s size=%zu: %d: %s\n", read ? "read" : "write", size, rc, strerror (rc)); - + return rc; } } @@ -354,7 +354,7 @@ rtems_rfs_file_io_end (rtems_rfs_file_handle* handle, length = false; mtime = false; - + if (!read && rtems_rfs_block_map_past_end (rtems_rfs_file_map (handle), rtems_rfs_file_bpos (handle))) @@ -364,16 +364,16 @@ rtems_rfs_file_io_end (rtems_rfs_file_handle* handle, length = true; mtime = true; } - + atime = rtems_rfs_file_update_atime (handle); mtime = rtems_rfs_file_update_mtime (handle) && mtime; length = rtems_rfs_file_update_length (handle) && length; - + if (rtems_rfs_trace (RTEMS_RFS_TRACE_FILE_IO)) printf ("rtems-rfs: file-io: end: pos=%" PRIu32 ":%" PRIu32 " %c %c %c\n", handle->bpos.bno, handle->bpos.boff, atime ? 'A' : '-', mtime ? 'M' : '-', length ? 'L' : '-'); - + if (atime || mtime) { time_t now = time (NULL); @@ -389,7 +389,7 @@ rtems_rfs_file_io_end (rtems_rfs_file_handle* handle, handle->shared->size.offset = rtems_rfs_block_map_size_offset (rtems_rfs_file_map (handle)); } - + return rc; } @@ -410,7 +410,7 @@ rtems_rfs_file_seek (rtems_rfs_file_handle* handle, { if (rtems_rfs_trace (RTEMS_RFS_TRACE_FILE_IO)) printf ("rtems-rfs: file-seek: new=%" PRIu64 "\n", pos); - + /* * This call only sets the position if it is in a valid part of the file. The * user can request past the end of the file then write to extend the @@ -425,7 +425,7 @@ rtems_rfs_file_seek (rtems_rfs_file_handle* handle, if (pos < rtems_rfs_file_shared_get_size (rtems_rfs_file_fs (handle), handle->shared)) rtems_rfs_file_set_bpos (handle, pos); - + *new_pos = pos; return 0; } @@ -453,7 +453,7 @@ rtems_rfs_file_set_size (rtems_rfs_file_handle* handle, else { size = rtems_rfs_file_size (handle); - + /* * If the file is same size do nothing else grow or shrink it ? */ @@ -471,7 +471,7 @@ rtems_rfs_file_set_size (rtems_rfs_file_handle* handle, count = new_size - size; length = rtems_rfs_fs_block_size (rtems_rfs_file_fs (handle)); read_block = false; - + while (count) { rtems_rfs_buffer_block block; @@ -529,7 +529,7 @@ rtems_rfs_file_set_size (rtems_rfs_file_handle* handle, rtems_rfs_file_buffer (handle)); if (rc > 0) return rc; - + count -= length - bpos.boff; } } @@ -540,7 +540,7 @@ rtems_rfs_file_set_size (rtems_rfs_file_handle* handle, */ rtems_rfs_block_no blocks; uint32_t offset; - + blocks = rtems_rfs_block_map_count (map) - (((new_size - 1) / @@ -548,7 +548,7 @@ rtems_rfs_file_set_size (rtems_rfs_file_handle* handle, offset = new_size % rtems_rfs_fs_block_size (rtems_rfs_file_fs (handle)); - + if (blocks) { int rc; @@ -574,7 +574,7 @@ rtems_rfs_file_set_size (rtems_rfs_file_handle* handle, if (rtems_rfs_file_update_mtime (handle)) handle->shared->mtime = time (NULL); - + return 0; } |