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#include <common.h>
#include <command.h>
#include <fs.h>
#include <linux/stat.h>
#include <errno.h>
#include <getopt.h>
static void ls_one(const char *path, struct stat *s)
{
char modestr[11];
unsigned long namelen = strlen(path);
mkmodestr(s->st_mode, modestr);
printf("%s %8d %*.*s\n",modestr, s->st_size, namelen, namelen, path);
}
int ls(const char *path, ulong flags)
{
DIR *dir;
struct dirent *d;
char tmp[PATH_MAX];
struct stat s;
if (flags & LS_SHOWARG)
printf("%s:\n", path);
if (stat(path, &s)) {
perror("stat");
return errno;
}
if (!(s.st_mode & S_IFDIR)) {
ls_one(path, &s);
return 0;
}
dir = opendir(path);
if (!dir)
return errno;
while ((d = readdir(dir))) {
sprintf(tmp, "%s/%s", path, d->d_name);
if (stat(tmp, &s))
goto out;
ls_one(d->d_name, &s);
}
closedir(dir);
if (!(flags & LS_RECURSIVE))
return 0;
dir = opendir(path);
if (!dir) {
errno = -ENOENT;
return -ENOENT;
}
while ((d = readdir(dir))) {
sprintf(tmp, "%s/%s", path, d->d_name);
normalise_path(tmp);
if (stat(tmp, &s))
goto out;
if (!strcmp(d->d_name, "."))
continue;
if (!strcmp(d->d_name, ".."))
continue;
if (s.st_mode & S_IFDIR)
ls(tmp, flags);
}
out:
closedir(dir);
return 0;
}
static int do_ls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
int ret, opt;
ulong flags = 0;
getopt_reset();
while((opt = getopt(argc, argv, "R")) > 0) {
switch(opt) {
case 'R':
flags |= LS_RECURSIVE | LS_SHOWARG;
break;
}
}
if (argc - optind > 1)
flags |= LS_SHOWARG;
if (optind == argc) {
ret = ls(getcwd(), flags);
return ret ? 1 : 0;
}
while (optind < argc) {
ret = ls(argv[optind], flags);
if (ret) {
perror("ls");
return 1;
}
optind++;
}
return 0;
}
static __maybe_unused char cmd_ls_help[] =
"Usage: ls [OPTION]... [FILE]...\n"
"List information about the FILEs (the current directory by default).\n"
" -R list subdirectories recursively\n";
U_BOOT_CMD_START(ls)
.maxargs = CONFIG_MAXARGS,
.cmd = do_ls,
.usage = "list a file or directory",
U_BOOT_CMD_HELP(cmd_ls_help)
U_BOOT_CMD_END
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