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[msh] rm command supports recursive deletion of folders

This commit is contained in:
tangyuxin 2020-10-09 11:54:42 +08:00
parent aeff91b2a7
commit 21a4542d7b
1 changed files with 113 additions and 4 deletions
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117
components/finsh/msh_file.c
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@ -265,22 +265,131 @@ int cmd_cat(int argc, char **argv)
}
FINSH_FUNCTION_EXPORT_ALIAS(cmd_cat, __cmd_cat, Concatenate FILE(s));
static void directory_delete_for_msh(const char *pathname, char f, char v)
{
DIR *dir = NULL;
struct dirent *dirent = NULL;
char *full_path;
if (pathname == RT_NULL)
return;
full_path = (char *)rt_malloc(DFS_PATH_MAX);
if (full_path == RT_NULL)
return;
dir = opendir(pathname);
if (dir == RT_NULL)
{
if (f == 0)
{
rt_kprintf("cannot remove '%s'\n", pathname);
}
rt_free(full_path);
return;
}
while (1)
{
dirent = readdir(dir);
if (dirent == RT_NULL)
break;
if (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)
{
if (unlink(full_path) != 0)
{
if (f == 0)
rt_kprintf("cannot remove '%s'\n", full_path);
}
else if (v)
{
rt_kprintf("removed '%s'\n", full_path);
}
}
else if (dirent->d_type == DT_DIR)
{
directory_delete_for_msh(full_path, f, v);
}
}
}
closedir(dir);
rt_free(full_path);
if (unlink(pathname) != 0)
{
if (f == 0)
rt_kprintf("cannot remove '%s'\n", pathname);
}
else if (v)
{
rt_kprintf("removed directory '%s'\n", pathname);
}
}
int cmd_rm(int argc, char **argv)
{
int index;
int index, n;
char f = 0, r = 0, v = 0;
if (argc == 1)
{
rt_kprintf("Usage: rm FILE...\n");
rt_kprintf("Usage: rm option(s) FILE...\n");
rt_kprintf("Remove (unlink) the FILE(s).\n");
return 0;
}
for (index = 1; index < argc; index ++)
if (argv[1][0] == '-')
{
unlink(argv[index]);
for (n = 0; argv[1][n]; n++)
{
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;
}
}
argc -= 1;
argv = argv + 1;
}
for (index = 1; index < argc; index ++)
{
struct stat s;
if (stat (argv[index], &s) == 0)
{
if (s.st_mode & S_IFDIR)
{
if (r == 0)
rt_kprintf("cannot remove '%s': Is a directory\n", argv[index]);
else
directory_delete_for_msh(argv[index], f, v);
}
else if (s.st_mode & S_IFREG)
{
if (unlink(argv[index]) != 0)
{
if (f == 0)
rt_kprintf("cannot remove '%s'\n", argv[index]);
}
else if (v)
{
rt_kprintf("removed '%s'\n", argv[index]);
}
}
}
else if (f == 0)
{
rt_kprintf("cannot remove '%s': No such file or directory\n", argv[index]);
}
}
return 0;
}
FINSH_FUNCTION_EXPORT_ALIAS(cmd_rm, __cmd_rm, Remove(unlink) the FILE(s).);