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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <assert.h>
#include <string.h>
#include <endian.h>
#include "fat.h"
const char FAT_BOOT_SIG[] = { 0x55, 0xAA };
const char FAT_INFO_SIG1[4] = { 'R', 'R', 'a', 'A' };
const char FAT_INFO_SIG2[4] = { 'r', 'r', 'A', 'a' };
void fat_dirent_set_first_cluster(struct fat_dirent *de, cluster_t cluster)
{
assert(de);
de->first_cluster_hi = htole16((cluster >> 16) & 0xffff);
de->first_cluster_lo = htole16((cluster >> 0) & 0xffff);
}
void fat_dirent_set(struct fat_dirent *de,
char *name, uint8_t attr,
cluster_t first_cluster, uint32_t size)
{
assert(de);
assert(name);
memset(de, 0, sizeof(*de));
memcpy(de->name, name, 11);
de->attr = attr;
fat_dirent_set_first_cluster(de, first_cluster);
de->size = htole32(size);
}
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