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authorSascha Hauer <s.hauer@pengutronix.de>2007-07-05 18:02:14 +0200
committerSascha Hauer <sha@octopus.labnet.pengutronix.de>2007-07-05 18:02:14 +0200
commitb2c5310d4da56237571bb8ea8d24b030c941030f (patch)
treec2c39f8c1ebdad8c3e69af86cb3c105434212edd /commands/ls.c
parentfda840672d0eb662ddf4c7080532fe2dfeb0b0b1 (diff)
downloadbarebox-b2c5310d4da56237571bb8ea8d24b030c941030f.tar.gz
svn_rev_653
restructure tree, add reginfo command
Diffstat (limited to 'commands/ls.c')
-rw-r--r--commands/ls.c122
1 files changed, 122 insertions, 0 deletions
diff --git a/commands/ls.c b/commands/ls.c
new file mode 100644
index 0000000..7cdbbb7
--- /dev/null
+++ b/commands/ls.c
@@ -0,0 +1,122 @@
+#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