1/*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 *    conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 *    of conditions and the following disclaimer in the documentation and/or other materials
13 *    provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 *    to endorse or promote products derived from this software without specific prior written
17 *    permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include "hal_file.h"
33#include "securec.h"
34#include "sys/stat.h"
35#include "fs_config.h"
36
37int HalFileOpen(const char* path, int oflag, int mode)
38{
39    char tmpPath[LITTLEFS_MAX_LFN_LEN] = {0};
40    (void)snprintf_s(tmpPath, LITTLEFS_MAX_LFN_LEN, LITTLEFS_MAX_LFN_LEN, "/littlefs/%s", path);
41    return open(tmpPath, oflag, mode);
42}
43
44int HalFileClose(int fd)
45{
46    return close(fd);
47}
48
49int HalFileRead(int fd, char *buf, unsigned int len)
50{
51    return read(fd, buf, len);
52}
53
54int HalFileWrite(int fd, const char *buf, unsigned int len)
55{
56    return write(fd, buf, len);
57}
58
59int HalFileDelete(const char *path)
60{
61    char tmpPath[LITTLEFS_MAX_LFN_LEN] = {0};
62    (void)snprintf_s(tmpPath, LITTLEFS_MAX_LFN_LEN, LITTLEFS_MAX_LFN_LEN, "/littlefs/%s", path);
63    return unlink(path);
64}
65
66int HalFileStat(const char *path, unsigned int *fileSize)
67{
68    char tmpPath[LITTLEFS_MAX_LFN_LEN] = {0};
69    struct stat halStat ;
70    int ret = 0;
71    (void)snprintf_s(tmpPath, LITTLEFS_MAX_LFN_LEN, LITTLEFS_MAX_LFN_LEN, "/littlefs/%s", path);
72    ret = stat(tmpPath, &halStat);
73    *fileSize = halStat.st_size;
74    return ret;
75}
76
77int HalFileSeek(int fd, int offset, unsigned int whence)
78{
79    return lseek(fd, (off_t)offset, whence);
80}
81