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-rw-r--r--toys/ls.c47
1 files changed, 40 insertions, 7 deletions
diff --git a/toys/ls.c b/toys/ls.c
index 27db9b74..c6eceb73 100644
--- a/toys/ls.c
+++ b/toys/ls.c
@@ -6,7 +6,7 @@
*
* See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/ls.html
-USE_LS(NEWTOY(ls, "lF1a", TOYFLAG_BIN))
+USE_LS(NEWTOY(ls, "RlF1a", TOYFLAG_BIN))
config LS
bool "ls"
@@ -27,6 +27,7 @@ config LS
#define FLAG_1 2
#define FLAG_F 4
#define FLAG_l 8
+#define FLAG_R 16
static int dir_filter(const struct dirent *d)
{
@@ -44,14 +45,30 @@ static void do_ls(int fd, char *name)
int i;
int maxwidth = -1;
int ncolumns = 1;
+ struct dirent file_dirent;
+ struct dirent *file_direntp;
if (!name || strcmp(name, "-") == 0)
name = ".";
+ if (toys.optflags & FLAG_R)
+ xprintf("\n%s:\n", name);
+
/* Get all the files in this directory */
nentries = scandir(name, &entries, dir_filter, alphasort);
- if (nentries < 0)
- perror_exit("ls: cannot access %s'", name);
+ if (nentries < 0) {
+ /* We've just selected a single file, so create a single-length list */
+ /* FIXME: This means that ls *.x results in a whole bunch of single
+ * listings, not one combined listing.
+ */
+ if (errno == ENOTDIR) {
+ nentries = 1;
+ strcpy(file_dirent.d_name, name);
+ file_direntp = &file_dirent;
+ entries = &file_direntp;
+ } else
+ perror_exit("ls: cannot access %s'", name);
+ }
/* Determine the widest entry so we can flow them properly */
@@ -83,14 +100,16 @@ static void do_ls(int fd, char *name)
struct stat st;
int stat_valid = 0;
+ sprintf(toybuf, "%s/%s", name, ent->d_name);
+
/* Provide the ls -l long output */
if (toys.optflags & FLAG_l) {
char type;
char timestamp[64];
struct tm mtime;
- if (lstat(ent->d_name, &st))
- perror_exit("Can't stat %s", ent->d_name);
+ if (lstat(toybuf, &st))
+ perror_exit("Can't stat %s", toybuf);
stat_valid = 1;
if (S_ISDIR(st.st_mode))
type = 'd';
@@ -134,8 +153,8 @@ static void do_ls(int fd, char *name)
/* Append the file-type indicator character */
if (toys.optflags & FLAG_F) {
if (!stat_valid) {
- if (lstat(ent->d_name, &st))
- perror_exit("Can't stat %s", ent->d_name);
+ if (lstat(toybuf, &st))
+ perror_exit("Can't stat %s", toybuf);
stat_valid = 1;
}
if (S_ISDIR(st.st_mode)) {
@@ -162,6 +181,20 @@ static void do_ls(int fd, char *name)
/* Make sure we put at a trailing new line in */
if (!(toys.optflags & FLAG_1) && (i % ncolumns))
xprintf("\n");
+
+ if (toys.optflags & FLAG_R) {
+ for (i = 0; i < nentries; i++) {
+ struct dirent *ent = entries[i];
+ struct stat st;
+ char dirname[PATH_MAX];
+
+ sprintf(dirname, "%s/%s", name, ent->d_name);
+ if (lstat(dirname, &st))
+ perror_exit("Can't stat %s", dirname);
+ if (S_ISDIR(st.st_mode))
+ do_ls(0, dirname);
+ }
+ }
}
void ls_main(void)