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[finsh] add mount/umount cmd

This commit is contained in:
tangyuxin 2021-01-30 16:31:03 +08:00
parent 45963a16b0
commit 991c25dd5d
1 changed files with 93 additions and 13 deletions
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106
components/finsh/msh_file.c
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@ -101,7 +101,7 @@ int msh_exec_script(const char *cmd_line, int size)
int length;
line_buf = (char *) rt_malloc(RT_CONSOLEBUF_SIZE);
if (line_buf == RT_NULL)
if (line_buf == RT_NULL)
{
close(fd);
return -RT_ENOMEM;
@ -295,7 +295,7 @@ static void directory_delete_for_msh(const char *pathname, char f, char v)
if (dirent == RT_NULL)
break;
if (rt_strcmp(".", dirent->d_name) != 0 &&
rt_strcmp("..", dirent->d_name) != 0)
rt_strcmp("..", dirent->d_name) != 0)
{
rt_sprintf(full_path, "%s/%s", pathname, dirent->d_name);
if (dirent->d_type == DT_REG)
@ -347,13 +347,20 @@ int cmd_rm(int argc, char **argv)
{
switch (argv[1][n])
{
case 'f': f = 1; break;
case 'r': r = 1; break;
case 'v': v = 1; break;
case '-': break;
default:
rt_kprintf("Error: Bad option: %c\n", argv[1][n]);
return 0;
case 'f':
f = 1;
break;
case 'r':
r = 1;
break;
case 'v':
v = 1;
break;
case '-':
break;
default:
rt_kprintf("Error: Bad option: %c\n", argv[1][n]);
return 0;
}
}
argc -= 1;
@ -363,7 +370,7 @@ int cmd_rm(int argc, char **argv)
for (index = 1; index < argc; index ++)
{
struct stat s;
if (stat (argv[index], &s) == 0)
if (stat(argv[index], &s) == 0)
{
if (s.st_mode & S_IFDIR)
{
@ -469,8 +476,81 @@ int cmd_mkfs(int argc, char **argv)
}
FINSH_FUNCTION_EXPORT_ALIAS(cmd_mkfs, __cmd_mkfs, format disk with file system);
extern struct dfs_filesystem filesystem_table[];
int cmd_mount(int argc, char *argv[])
{
if (argc == 1)
{
struct dfs_filesystem *iter;
/* display the mount history */
rt_kprintf("filesystem device mountpoint\n");
rt_kprintf("---------- ------ ----------\n");
for (iter = &filesystem_table[0];
iter < &filesystem_table[DFS_FILESYSTEMS_MAX]; iter++)
{
if ((iter != NULL) && (iter->path != NULL))
{
rt_kprintf("%-10s %-6s %-s\n",
iter->ops->name, iter->dev_id->parent.name, iter->path);
}
}
return 0;
}
else if (argc == 4)
{
char *device = argv[1];
char *path = argv[2];
char *fstype = argv[3];
/* mount a filesystem to the specified directory */
rt_kprintf("mount device %s(%s) onto %s ... ", device, fstype, path);
if (dfs_mount(device, path, fstype, 0, 0) == 0)
{
rt_kprintf("succeed!\n");
return 0;
}
else
{
rt_kprintf("failed!\n");
return -1;
}
}
else
{
rt_kprintf("Usage: mount <device> <mountpoint> <fstype>.\n");
return -1;
}
}
FINSH_FUNCTION_EXPORT_ALIAS(cmd_mount, __cmd_mount, mount <device> <mountpoint> <fstype>);
/* unmount the filesystem from the specified mountpoint */
int cmd_umount(int argc, char *argv[])
{
char *path = argv[1];
if (argc != 2)
{
rt_kprintf("Usage: unmount <mountpoint>.\n");
return -1;
}
rt_kprintf("unmount %s ... ", path);
if (dfs_unmount(path) < 0)
{
rt_kprintf("failed!\n");
return -1;
}
else
{
rt_kprintf("succeed!\n");
return 0;
}
}
FINSH_FUNCTION_EXPORT_ALIAS(cmd_umount, __cmd_umount, Unmount device from file system);
extern int df(const char *path);
int cmd_df(int argc, char** argv)
int cmd_df(int argc, char **argv)
{
if (argc != 2)
{
@ -492,7 +572,7 @@ int cmd_df(int argc, char** argv)
}
FINSH_FUNCTION_EXPORT_ALIAS(cmd_df, __cmd_df, disk free);
int cmd_echo(int argc, char** argv)
int cmd_echo(int argc, char **argv)
{
if (argc == 2)
{
@ -505,7 +585,7 @@ int cmd_echo(int argc, char** argv)
fd = open(argv[2], O_RDWR | O_APPEND | O_CREAT, 0);
if (fd >= 0)
{
write (fd, argv[1], strlen(argv[1]));
write(fd, argv[1], strlen(argv[1]));
close(fd);
}
else