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- /*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date Author Notes
- * 2015-09-25 Bernard the first verion for FinSH
- */
- #include <rtthread.h>
- #if defined(FINSH_USING_MSH) && defined(RT_USING_DFS)
- #include <finsh.h>
- #include "msh.h"
- #include <dfs_posix.h>
- static int msh_readline(int fd, char *line_buf, int size)
- {
- char ch;
- int index = 0;
- do
- {
- if (read(fd, &ch, 1) != 1)
- {
- /* nothing in this file */
- return 0;
- }
- }
- while (ch == '\n' || ch == '\r');
- /* set the first character */
- line_buf[index ++] = ch;
- while (index < size)
- {
- if (read(fd, &ch, 1) == 1)
- {
- if (ch == '\n' || ch == '\r')
- {
- line_buf[index] = '\0';
- break;
- }
- line_buf[index++] = ch;
- }
- else
- {
- line_buf[index] = '\0';
- break;
- }
- }
- return index;
- }
- int msh_exec_script(const char *cmd_line, int size)
- {
- int ret;
- int fd = -1;
- char *pg_name;
- int length, cmd_length = 0;
- if (size == 0) return -RT_ERROR;
- /* get the length of command0 */
- while ((cmd_line[cmd_length] != ' ' && cmd_line[cmd_length] != '\t') && cmd_length < size)
- cmd_length ++;
- /* get name length */
- length = cmd_length + 32;
- /* allocate program name memory */
- pg_name = (char *) rt_malloc(length);
- if (pg_name == RT_NULL) return -RT_ENOMEM;
- /* copy command0 */
- memcpy(pg_name, cmd_line, cmd_length);
- pg_name[cmd_length] = '\0';
- if (strstr(pg_name, ".sh") != RT_NULL || strstr(pg_name, ".SH") != RT_NULL)
- {
- /* try to open program */
- fd = open(pg_name, O_RDONLY, 0);
- /* search in /bin path */
- if (fd < 0)
- {
- rt_snprintf(pg_name, length - 1, "/bin/%.*s", cmd_length, cmd_line);
- fd = open(pg_name, O_RDONLY, 0);
- }
- }
- rt_free(pg_name);
- if (fd >= 0)
- {
- /* found script */
- char *line_buf;
- int length;
- line_buf = (char *) rt_malloc(RT_CONSOLEBUF_SIZE);
- if (line_buf == RT_NULL)
- {
- close(fd);
- return -RT_ENOMEM;
- }
- /* read line by line and then exec it */
- do
- {
- length = msh_readline(fd, line_buf, RT_CONSOLEBUF_SIZE);
- if (length > 0)
- {
- char ch = '\0';
- int index;
- for (index = 0; index < length; index ++)
- {
- ch = line_buf[index];
- if (ch == ' ' || ch == '\t') continue;
- else break;
- }
- if (ch != '#') /* not a comment */
- msh_exec(line_buf, length);
- }
- }
- while (length > 0);
- close(fd);
- rt_free(line_buf);
- ret = 0;
- }
- else
- {
- ret = -1;
- }
- return ret;
- }
- #ifdef DFS_USING_WORKDIR
- extern char working_directory[];
- #endif
- int cmd_ls(int argc, char **argv)
- {
- extern void ls(const char *pathname);
- if (argc == 1)
- {
- #ifdef DFS_USING_WORKDIR
- ls(working_directory);
- #else
- ls("/");
- #endif
- }
- else
- {
- ls(argv[1]);
- }
- return 0;
- }
- FINSH_FUNCTION_EXPORT_ALIAS(cmd_ls, __cmd_ls, List information about the FILEs.);
- int cmd_cp(int argc, char **argv)
- {
- void copy(const char *src, const char *dst);
- if (argc != 3)
- {
- rt_kprintf("Usage: cp SOURCE DEST\n");
- rt_kprintf("Copy SOURCE to DEST.\n");
- }
- else
- {
- copy(argv[1], argv[2]);
- }
- return 0;
- }
- FINSH_FUNCTION_EXPORT_ALIAS(cmd_cp, __cmd_cp, Copy SOURCE to DEST.);
- int cmd_mv(int argc, char **argv)
- {
- if (argc != 3)
- {
- rt_kprintf("Usage: mv SOURCE DEST\n");
- rt_kprintf("Rename SOURCE to DEST, or move SOURCE(s) to DIRECTORY.\n");
- }
- else
- {
- int fd;
- char *dest = RT_NULL;
- rt_kprintf("%s => %s\n", argv[1], argv[2]);
- fd = open(argv[2], O_DIRECTORY, 0);
- if (fd >= 0)
- {
- char *src;
- close(fd);
- /* it's a directory */
- dest = (char *)rt_malloc(DFS_PATH_MAX);
- if (dest == RT_NULL)
- {
- rt_kprintf("out of memory\n");
- return -RT_ENOMEM;
- }
- src = argv[1] + rt_strlen(argv[1]);
- while (src != argv[1])
- {
- if (*src == '/') break;
- src --;
- }
- rt_snprintf(dest, DFS_PATH_MAX - 1, "%s/%s", argv[2], src);
- }
- else
- {
- fd = open(argv[2], O_RDONLY, 0);
- if (fd >= 0)
- {
- close(fd);
- unlink(argv[2]);
- }
- dest = argv[2];
- }
- rename(argv[1], dest);
- if (dest != RT_NULL && dest != argv[2]) rt_free(dest);
- }
- return 0;
- }
- FINSH_FUNCTION_EXPORT_ALIAS(cmd_mv, __cmd_mv, Rename SOURCE to DEST.);
- int cmd_cat(int argc, char **argv)
- {
- int index;
- extern void cat(const char *filename);
- if (argc == 1)
- {
- rt_kprintf("Usage: cat [FILE]...\n");
- rt_kprintf("Concatenate FILE(s)\n");
- return 0;
- }
- for (index = 1; index < argc; index ++)
- {
- cat(argv[index]);
- }
- return 0;
- }
- FINSH_FUNCTION_EXPORT_ALIAS(cmd_cat, __cmd_cat, Concatenate FILE(s));
- int cmd_rm(int argc, char **argv)
- {
- int index;
- if (argc == 1)
- {
- rt_kprintf("Usage: rm FILE...\n");
- rt_kprintf("Remove (unlink) the FILE(s).\n");
- return 0;
- }
- for (index = 1; index < argc; index ++)
- {
- unlink(argv[index]);
- }
- return 0;
- }
- FINSH_FUNCTION_EXPORT_ALIAS(cmd_rm, __cmd_rm, Remove(unlink) the FILE(s).);
- #ifdef DFS_USING_WORKDIR
- int cmd_cd(int argc, char **argv)
- {
- if (argc == 1)
- {
- rt_kprintf("%s\n", working_directory);
- }
- else if (argc == 2)
- {
- if (chdir(argv[1]) != 0)
- {
- rt_kprintf("No such directory: %s\n", argv[1]);
- }
- }
- return 0;
- }
- FINSH_FUNCTION_EXPORT_ALIAS(cmd_cd, __cmd_cd, Change the shell working directory.);
- int cmd_pwd(int argc, char **argv)
- {
- rt_kprintf("%s\n", working_directory);
- return 0;
- }
- FINSH_FUNCTION_EXPORT_ALIAS(cmd_pwd, __cmd_pwd, Print the name of the current working directory.);
- #endif
- int cmd_mkdir(int argc, char **argv)
- {
- if (argc == 1)
- {
- rt_kprintf("Usage: mkdir [OPTION] DIRECTORY\n");
- rt_kprintf("Create the DIRECTORY, if they do not already exist.\n");
- }
- else
- {
- mkdir(argv[1], 0);
- }
- return 0;
- }
- FINSH_FUNCTION_EXPORT_ALIAS(cmd_mkdir, __cmd_mkdir, Create the DIRECTORY.);
- int cmd_mkfs(int argc, char **argv)
- {
- int result = 0;
- char *type = "elm"; /* use the default file system type as 'fatfs' */
- if (argc == 2)
- {
- result = dfs_mkfs(type, argv[1]);
- }
- else if (argc == 4)
- {
- if (strcmp(argv[1], "-t") == 0)
- {
- type = argv[2];
- result = dfs_mkfs(type, argv[3]);
- }
- }
- else
- {
- rt_kprintf("Usage: mkfs [-t type] device\n");
- return 0;
- }
- if (result != RT_EOK)
- {
- rt_kprintf("mkfs failed, result=%d\n", result);
- }
- return 0;
- }
- FINSH_FUNCTION_EXPORT_ALIAS(cmd_mkfs, __cmd_mkfs, format disk with file system);
- extern int df(const char *path);
- int cmd_df(int argc, char** argv)
- {
- if (argc != 2)
- {
- df("/");
- }
- else
- {
- if ((strcmp(argv[1], "--help") == 0) || (strcmp(argv[1], "-h") == 0))
- {
- rt_kprintf("df [path]\n");
- }
- else
- {
- df(argv[1]);
- }
- }
- return 0;
- }
- FINSH_FUNCTION_EXPORT_ALIAS(cmd_df, __cmd_df, disk free);
- int cmd_echo(int argc, char** argv)
- {
- if (argc == 2)
- {
- rt_kprintf("%s\n", argv[1]);
- }
- else if (argc == 3)
- {
- int fd;
- fd = open(argv[2], O_RDWR | O_APPEND | O_CREAT, 0);
- if (fd >= 0)
- {
- write (fd, argv[1], strlen(argv[1]));
- close(fd);
- }
- else
- {
- rt_kprintf("open file:%s failed!\n", argv[2]);
- }
- }
- else
- {
- rt_kprintf("Usage: echo \"string\" [filename]\n");
- }
- return 0;
- }
- FINSH_FUNCTION_EXPORT_ALIAS(cmd_echo, __cmd_echo, echo string to file);
- #endif /* defined(FINSH_USING_MSH) && defined(RT_USING_DFS) */
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