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
HalFileOpen(const char* path, int oflag, int mode)37 int 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
HalFileClose(int fd)44 int HalFileClose(int fd)
45 {
46 return close(fd);
47 }
48
HalFileRead(int fd, char *buf, unsigned int len)49 int HalFileRead(int fd, char *buf, unsigned int len)
50 {
51 return read(fd, buf, len);
52 }
53
HalFileWrite(int fd, const char *buf, unsigned int len)54 int HalFileWrite(int fd, const char *buf, unsigned int len)
55 {
56 return write(fd, buf, len);
57 }
58
HalFileDelete(const char *path)59 int 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
HalFileStat(const char *path, unsigned int *fileSize)66 int 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
HalFileSeek(int fd, int offset, unsigned int whence)77 int HalFileSeek(int fd, int offset, unsigned int whence)
78 {
79 return lseek(fd, (off_t)offset, whence);
80 }
81