int cmd_ls(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
struct stat st;
const char *relpath;
unsigned int lsflags = 0;
char *fullpath;
bool badarg = false;
int ret;
/* Get the ls options */
int option;
while ((option = getopt(argc, argv, "lRs")) != ERROR)
{
switch (option)
{
case 'l':
lsflags |= (LSFLAGS_SIZE|LSFLAGS_LONG);
break;
case 'R':
lsflags |= LSFLAGS_RECURSIVE;
break;
case 's':
lsflags |= LSFLAGS_SIZE;
break;
case '?':
default:
nsh_output(vtbl, g_fmtarginvalid, argv[0]);
badarg = true;
break;
}
}
/* If a bad argument was encountered, then return without processing the command */
if (badarg)
{
return ERROR;
}
/* There may be one argument after the options */
if (optind + 1 < argc)
{
nsh_output(vtbl, g_fmttoomanyargs, argv[0]);
return ERROR;
}
else if (optind >= argc)
{
#ifndef CONFIG_DISABLE_ENVIRON
relpath = nsh_getcwd();
#else
nsh_output(vtbl, g_fmtargrequired, argv[0]);
return ERROR;
#endif
}
else
{
relpath = argv[optind];
}
/* Get the fullpath to the directory */
fullpath = nsh_getfullpath(vtbl, relpath);
if (!fullpath)
{
return ERROR;
}
/* See if it is a single file */
if (stat(fullpath, &st) < 0)
{
nsh_output(vtbl, g_fmtcmdfailed, argv[0], "stat", NSH_ERRNO);
ret = ERROR;
}
else if (!S_ISDIR(st.st_mode))
{
/* Pass a null dirent to ls_handler to signify that this is a single
* file
*/
ret = ls_handler(vtbl, fullpath, NULL, (void*)lsflags);
}
else
{
/* List the directory contents */
nsh_output(vtbl, "%s:\n", fullpath);
ret = foreach_direntry(vtbl, "ls", fullpath, ls_handler, (void*)lsflags);
if (ret == OK && (lsflags & LSFLAGS_RECURSIVE) != 0)
{
/* Then recurse to list each directory within the directory */
ret = foreach_direntry(vtbl, "ls", fullpath, ls_recursive, (void*)lsflags);
}
}
nsh_freefullpath(fullpath);
return ret;
}
/****************************************************************************
* Name: tash_ls
*
* Description:
* Show contents of directory of specific directory.
* -R : shows contents recursively.
* -l : shows size & attributes of contents
* -s : size of contents
*
* Usage:
* ls [-lRs] <directory>
****************************************************************************/
static int tash_ls(int argc, char **args)
{
struct stat st;
const char *relpath;
unsigned int lsflags = 0;
char *fullpath;
int ret;
int option;
int badarg = false;
optind = -1;
while ((option = getopt(argc, args, "lRs")) != ERROR) {
switch (option) {
case 'l':
lsflags |= (LSFLAGS_SIZE | LSFLAGS_LONG);
break;
case 'R':
lsflags |= LSFLAGS_RECURSIVE;
break;
case 's':
lsflags |= LSFLAGS_SIZE;
break;
case '?':
default:
badarg = true;
break;
}
}
if (badarg) {
FSCMD_OUTPUT(INVALID_ARGS " : [-lRs] <dir-path>\n", args[0]);
return 0;
}
if (optind + 1 < argc) {
FSCMD_OUTPUT(TOO_MANY_ARGS, args[0]);
return ERROR;
} else if (optind >= argc) {
relpath = getwd(PWD);
} else {
relpath = args[optind];
}
fullpath = get_fullpath(relpath);
if (!fullpath) {
return ERROR;
}
if (stat(fullpath, &st) < 0) {
FSCMD_OUTPUT(CMD_FAILED, args[0], "stat");
ret = ERROR;
} else if (!S_ISDIR(st.st_mode)) {
/*
* Pass a null dirent to ls_handler to signify
* that this is a single file
*/
ret = ls_handler(fullpath, NULL, (void *)lsflags);
} else {
/* List the directory contents */
FSCMD_OUTPUT("%s:\n", fullpath);
ret = foreach_direntry("ls", fullpath, ls_handler, (void *)lsflags);
if (ret == OK && (lsflags & LSFLAGS_RECURSIVE) != 0) {
/*
* Then recurse to list each directory
* within the directory
*/
ret = foreach_direntry("ls", fullpath, ls_recursive, (void *)lsflags);
}
}
fscmd_free(fullpath);
return ret;
}
