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LibrePilot/flight/pios/common/libraries/yaffs2/yaffs_attribs.c

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/*
* 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