2dc24da826
【背景】 内核代码经代码扫描工具发现存在一些关于代码格式的告警， 现经修改解除掉告警. 【修改方案】 修改了代码中格式不规范的地方，修改的点有： 1.代码中一行过长 2.没有合理的添加空格和空行 3.没有按照规范进行缩进 4.括号的格式没有按照规范 5.注释的格式不对以及存在魔数字 6.函数的声明与定义的格式不一致 并更新了修改文件的版权头时间 【影响】 对现有的产品编译不会有影响。 re #I5H6F5 Signed-off-by: yinjiaming <yinjiaming@huawei.com> Change-Id: Ie46b5b3238fd88c25f99542b8ccd138b956c6458
99 lines
3.5 KiB
C
99 lines
3.5 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 <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/statfs.h>
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#include <errno.h>
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#include "los_config.h"
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#if defined(LOSCFG_SHELL_CMD_DEBUG) && defined(LOSCFG_FS_PROC)
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#include "los_typedef.h"
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#include "shell.h"
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#include "shcmd.h"
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#include "proc_file.h"
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#include "dirent.h"
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#include "proc_fs.h"
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#define WRITEPROC_ARGC 3
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int OsShellCmdWriteProc(int argc, char **argv)
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{
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int i;
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int ret;
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const char *path = NULL;
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const char *value = NULL;
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unsigned int len;
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struct ProcDirEntry *handle = NULL;
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char realPath[PATH_MAX] = {'\0'};
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const char *rootProcDir = "/proc/";
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if (argc == WRITEPROC_ARGC) {
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value = argv[0];
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path = argv[2]; // 2: index of path
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len = strlen(value) + 1; /* + 1:add the \0 */
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if (strncmp(argv[1], ">>", strlen(">>")) == 0) {
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if ((realpath(path, realPath) == NULL) || (strncmp(realPath, rootProcDir, strlen(rootProcDir)) != 0)) {
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PRINT_ERR("No such file or directory\n");
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return PROC_ERROR;
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}
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handle = OpenProcFile(realPath, O_TRUNC);
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if (handle == NULL) {
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PRINT_ERR("No such file or directory\n");
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return PROC_ERROR;
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}
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ret = WriteProcFile(handle, value, len);
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if (ret < 0) {
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(void)CloseProcFile(handle);
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PRINT_ERR("write error\n");
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return PROC_ERROR;
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}
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for (i = 0; i < argc; i++) {
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PRINTK("%s%s", i > 0 ? " " : "", argv[i]);
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}
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PRINTK("\n");
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(void)CloseProcFile(handle);
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return LOS_OK;
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}
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}
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PRINT_ERR("writeproc [data] [>>] [path]\n");
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return PROC_ERROR;
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}
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SHELLCMD_ENTRY(writeproc_shellcmd, CMD_TYPE_EX, "writeproc", XARGS, (CmdCallBackFunc)OsShellCmdWriteProc);
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#endif
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