116 lines
3.7 KiB
C
116 lines
3.7 KiB
C
/*
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* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "errno.h"
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#include "fatfs.h"
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#include "unistd.h"
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#include "stdio.h"
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#include "string.h"
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#include "errcode_fat.h"
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#include "integer.h"
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#ifdef LOSCFG_FS_FAT
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char FatLabel[LABEL_LEN];
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#define DEV_NAME_SIZE 4
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int format(const char *dev, int sectors, int option)
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{
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struct Vnode *device = NULL;
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INT err;
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if (dev == NULL) {
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set_errno(EINVAL);
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return -1;
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}
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if (strncmp(dev, "/dev", DEV_NAME_SIZE) != 0) {
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PRINTK("Usage :\n");
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PRINTK(" format <dev_vnodename> <sectors> <option> <label>\n");
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PRINTK(" dev_vnodename : the name of dev\n");
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PRINTK(" sectors : Size of allocation unit in unit of byte or sector, ");
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PRINTK("0 instead of default size\n");
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PRINTK(" options : Index of filesystem. 1 for FAT filesystem, 2 for FAT32 filesystem, ");
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PRINTK("7 for any, 8 for erase\n");
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PRINTK(" label : The volume of device. It will be emptyed when this parameter is null\n");
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PRINTK("Example:\n");
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PRINTK(" format /dev/mmcblk0 128 2\n");
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set_errno(EINVAL);
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return -1;
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}
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VnodeHold();
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err = VnodeLookup(dev, &device, 0);
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if (err == -ENOENT || err == -ENOSYS) {
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VnodeDrop();
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set_errno(ENODEV);
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return -1;
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} else if (err < 0) {
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VnodeDrop();
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set_errno(-err);
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return -1;
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}
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err = fatfs_mkfs(device, sectors, option);
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if (err < 0) {
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VnodeDrop();
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set_errno(-err);
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return -1;
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}
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#ifdef LOSCFG_FS_FAT_VIRTUAL_PARTITION
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else if (err >= VIRERR_BASE) {
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set_errno(err);
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}
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#endif
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VnodeDrop();
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return 0;
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}
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void set_label(const char *name)
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{
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INT len;
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INT err;
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(void)memset_s(FatLabel, LABEL_LEN, 0, LABEL_LEN);
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if (name == NULL || *name == '\0') {
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return;
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}
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len = strlen(name);
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if (len >= LABEL_LEN) {
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len = LABEL_LEN - 1;
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}
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err = strncpy_s(FatLabel, LABEL_LEN, name, len);
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if (err != EOK) {
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PRINT_ERR("Fat set_label error");
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}
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}
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#endif /* #ifdef CONFIG_FS_FAT */
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