mirror of
https://bitbucket.org/librepilot/librepilot.git
synced 2024-12-04 12:24:11 +01:00
111 lines
2.7 KiB
C
111 lines
2.7 KiB
C
|
/*
|
||
|
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
|
||
|
*
|
||
|
* Copyright (C) 2002-2011 Aleph One Ltd.
|
||
|
* for Toby Churchill Ltd and Brightstar Engineering
|
||
|
*
|
||
|
* Created by Charles Manning <charles@aleph1.co.uk>
|
||
|
*
|
||
|
* This program is free software; you can redistribute it and/or modify
|
||
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
* published by the Free Software Foundation.
|
||
|
*/
|
||
|
|
||
|
#include "yaffs_attribs.h"
|
||
|
|
||
|
|
||
|
void yaffs_load_attribs(struct yaffs_obj *obj, struct yaffs_obj_hdr *oh)
|
||
|
{
|
||
|
#ifdef CONFIG_YAFFS_WINCE
|
||
|
obj->win_atime[0] = oh->win_atime[0];
|
||
|
obj->win_ctime[0] = oh->win_ctime[0];
|
||
|
obj->win_mtime[0] = oh->win_mtime[0];
|
||
|
obj->win_atime[1] = oh->win_atime[1];
|
||
|
obj->win_ctime[1] = oh->win_ctime[1];
|
||
|
obj->win_mtime[1] = oh->win_mtime[1];
|
||
|
#else
|
||
|
obj->yst_uid = oh->yst_uid;
|
||
|
obj->yst_gid = oh->yst_gid;
|
||
|
obj->yst_atime = oh->yst_atime;
|
||
|
obj->yst_mtime = oh->yst_mtime;
|
||
|
obj->yst_ctime = oh->yst_ctime;
|
||
|
obj->yst_rdev = oh->yst_rdev;
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
|
||
|
void yaffs_load_attribs_oh(struct yaffs_obj_hdr *oh, struct yaffs_obj *obj)
|
||
|
{
|
||
|
#ifdef CONFIG_YAFFS_WINCE
|
||
|
oh->win_atime[0] = obj->win_atime[0];
|
||
|
oh->win_ctime[0] = obj->win_ctime[0];
|
||
|
oh->win_mtime[0] = obj->win_mtime[0];
|
||
|
oh->win_atime[1] = obj->win_atime[1];
|
||
|
oh->win_ctime[1] = obj->win_ctime[1];
|
||
|
oh->win_mtime[1] = obj->win_mtime[1];
|
||
|
#else
|
||
|
oh->yst_uid = obj->yst_uid;
|
||
|
oh->yst_gid = obj->yst_gid;
|
||
|
oh->yst_atime = obj->yst_atime;
|
||
|
oh->yst_mtime = obj->yst_mtime;
|
||
|
oh->yst_ctime = obj->yst_ctime;
|
||
|
oh->yst_rdev = obj->yst_rdev;
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
void yaffs_attribs_init(struct yaffs_obj *obj, u32 gid, u32 uid, u32 rdev)
|
||
|
{
|
||
|
|
||
|
#ifdef CONFIG_YAFFS_WINCE
|
||
|
yfsd_win_file_time_now(obj->win_atime);
|
||
|
obj->win_ctime[0] = obj->win_mtime[0] = obj->win_atime[0];
|
||
|
obj->win_ctime[1] = obj->win_mtime[1] = obj->win_atime[1];
|
||
|
|
||
|
#else
|
||
|
yaffs_load_current_time(obj, 1, 1);
|
||
|
obj->yst_rdev = rdev;
|
||
|
obj->yst_uid = uid;
|
||
|
obj->yst_gid = gid;
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
void yaffs_load_current_time(struct yaffs_obj *obj, int do_a, int do_c)
|
||
|
{
|
||
|
#ifdef CONFIG_YAFFS_WINCE
|
||
|
yfsd_win_file_time_now(obj->win_atime);
|
||
|
obj->win_ctime[0] = obj->win_mtime[0] =
|
||
|
obj->win_atime[0];
|
||
|
obj->win_ctime[1] = obj->win_mtime[1] =
|
||
|
obj->win_atime[1];
|
||
|
|
||
|
#else
|
||
|
|
||
|
obj->yst_mtime = Y_CURRENT_TIME;
|
||
|
if (do_a)
|
||
|
obj->yst_atime = obj->yst_atime;
|
||
|
if (do_c)
|
||
|
obj->yst_ctime = obj->yst_atime;
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
#ifndef CONFIG_YAFFS_OP // unused yaffs code
|
||
|
static Y_LOFF_T yaffs_get_file_size(struct yaffs_obj *obj)
|
||
|
{
|
||
|
YCHAR *alias = NULL;
|
||
|
obj = yaffs_get_equivalent_obj(obj);
|
||
|
|
||
|
switch (obj->variant_type) {
|
||
|
case YAFFS_OBJECT_TYPE_FILE:
|
||
|
return obj->variant.file_variant.file_size;
|
||
|
case YAFFS_OBJECT_TYPE_SYMLINK:
|
||
|
alias = obj->variant.symlink_variant.alias;
|
||
|
if (!alias)
|
||
|
return 0;
|
||
|
return yaffs_strnlen(alias, YAFFS_MAX_ALIAS_LENGTH);
|
||
|
default:
|
||
|
return 0;
|
||
|
}
|
||
|
}
|
||
|
#endif
|
||
|
|