dirinfo command

1 files changed, 49 insertions, 0 deletions

diff --git a/src/user/dirinfo/dirinfo.c b/src/user/dirinfo/dirinfo.c
new file mode 100644
index 0000000..7484eb8
--- /dev/null
+++ b/src/user/dirinfo/dirinfo.c
@@ -0,0 +1,49 @@
+#include <pland/syscall.h>
+#include <knob/format.h>
+#include <knob/file.h>
+#include <knob/user.h>
+
+#define MAX_DIR_ENTRIES 20
+
+void main(const char *arg) {
+  uint8_t dn;
+  const char *path = remove_prefix(arg, &dn);
+
+  tell_user_sz("Directory info for ");
+  tell_user_sz(*arg ? arg : "drive root");
+  tell_user_sz("\n");
+
+  _dir_info_entry infos[MAX_DIR_ENTRIES];
+  uint8_t count = _enumerate_dir(dn, path, infos, MAX_DIR_ENTRIES);
+  tell_user_sz(
+    count == MAX_DIR_ENTRIES
+    ? "Truncated to 20 entries.\n\n"
+    : "\n"
+  );
+
+  uint32_t total_size = 0;
+
+  if (!count)
+    tell_user_sz("(none)\n");
+
+  for (uint8_t i = 0; i < count; ++i) {
+    tell_user_sz(infos[i].name);
+    tell_user_sz(": ");
+    if (infos[i].is_dir)
+      tell_user_sz("dir");
+    else {
+      char nbuf[11];
+      itosz(infos[i].size, nbuf);
+      tell_user_sz(nbuf);
+      tell_user_sz(" bytes");
+      total_size += infos[i].size;
+    }
+    tell_user_sz("\n");
+  }
+
+  tell_user_sz("\nTotal size without subdirectories: ");
+  char nbuf[11];
+  itosz(total_size, nbuf);
+  tell_user_sz(nbuf);
+  tell_user_sz(" bytes\n");
+}
\ No newline at end of file