int main(int argc, char *argv[])
{
int i;
for (i=1; i<argc; i++) {
ls_one(argv[i]);
}
return 0;
}
void ft_ls(char **av, int ac, char *option)
{
if (ONLY_BIG_OPT(av[0]) || NO_OPTION_NO_ARG)
ls_one(".", option);
else if (IS_AN_OPTION)
{
if (is_only_option(av) && IS_R)
recursive(".", option);
else if (is_only_option(av) && (IS_L || IS_G || IS_O)
&& !(PRIORITY))
ls_l(".", option);
else if (is_only_option(av)
&& (IS_A_A || IS_R_2 || IS_T || IS_1 || IS_F || IS_P))
ls_one(".", option);
else
the_following(&av, option, 1);
}
else
the_following(&av, option, 0);
}
int ls(const char *path, ulong flags)
{
DIR *dir;
struct dirent *d;
char tmp[PATH_MAX];
struct stat s;
struct string_list sl;
string_list_init(&sl);
if (stat(path, &s))
return errno;
if (flags & LS_SHOWARG && s.st_mode & S_IFDIR)
printf("%s:\n", path);
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;
if (flags & LS_COLUMN)
string_list_add_sorted(&sl, d->d_name);
else
ls_one(d->d_name, &s);
}
closedir(dir);
if (flags & LS_COLUMN) {
string_list_print_by_column(&sl);
string_list_free(&sl);
}
if (!(flags & LS_RECURSIVE))
return 0;
dir = opendir(path);
if (!dir) {
errno = -ENOENT;
return -ENOENT;
}
while ((d = readdir(dir))) {
if (!strcmp(d->d_name, "."))
continue;
if (!strcmp(d->d_name, ".."))
continue;
sprintf(tmp, "%s/%s", path, d->d_name);
if (stat(tmp, &s))
goto out;
if (s.st_mode & S_IFDIR) {
char *norm = normalise_path(tmp);
ls(norm, flags);
free(norm);
}
}
out:
closedir(dir);
return 0;
}
static int do_ls(struct command *cmdtp, int argc, char *argv[])
{
int ret, opt, o;
struct stat s;
ulong flags = LS_COLUMN;
struct string_list sl;
while((opt = getopt(argc, argv, "RCl")) > 0) {
switch(opt) {
case 'R':
flags |= LS_RECURSIVE | LS_SHOWARG;
break;
case 'C':
flags |= LS_COLUMN;
break;
case 'l':
flags &= ~LS_COLUMN;
break;
}
}
if (argc - optind > 1)
flags |= LS_SHOWARG;
if (optind == argc) {
ret = ls(getcwd(), flags);
return ret ? 1 : 0;
}
string_list_init(&sl);
o = optind;
/* first pass: all files */
while (o < argc) {
ret = stat(argv[o], &s);
if (ret) {
printf("%s: %s: %s\n", argv[0],
argv[o], errno_str());
o++;
continue;
}
if (!(s.st_mode & S_IFDIR)) {
if (flags & LS_COLUMN)
string_list_add_sorted(&sl, argv[o]);
else
ls_one(argv[o], &s);
}
o++;
}
if (flags & LS_COLUMN)
string_list_print_by_column(&sl);
string_list_free(&sl);
o = optind;
/* second pass: directories */
while (o < argc) {
ret = stat(argv[o], &s);
if (ret) {
o++;
continue;
}
if (s.st_mode & S_IFDIR) {
ret = ls(argv[o], flags);
if (ret) {
perror("ls");
o++;
continue;
}
}
o++;
}
return 0;
}
