From a486bae55a9bc98446a1a34606a1f4ae6c4a0387 Mon Sep 17 00:00:00 2001
From: Benjamin Valentin <benjamin.valentin@ml-pa.com>
Date: Mon, 7 Feb 2022 18:09:42 +0100
Subject: [PATCH] sc_vfs: print file size

This prints the size of the displayed files in `ls`.
It also makes it easier to distinguis files from directories.
---
 sys/shell/commands/sc_vfs.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/sys/shell/commands/sc_vfs.c b/sys/shell/commands/sc_vfs.c
index 4fe2af77d1..b1d38dc714 100644
--- a/sys/shell/commands/sc_vfs.c
+++ b/sys/shell/commands/sc_vfs.c
@@ -517,7 +517,10 @@ int _ls_handler(int argc, char **argv)
     unsigned int nfiles = 0;
 
     while (1) {
+        char path_name[2 * (VFS_NAME_MAX + 1)];
         vfs_dirent_t entry;
+        struct stat stat;
+
         res = vfs_readdir(&dir, &entry);
         if (res < 0) {
             _errno_string(res, (char *)buf, sizeof(buf));
@@ -533,8 +536,15 @@ int _ls_handler(int argc, char **argv)
             /* end of stream */
             break;
         }
-        printf("%s\n", entry.d_name);
-        ++nfiles;
+
+        snprintf(path_name, sizeof(path_name), "%s/%s", path, entry.d_name);
+        vfs_stat(path_name, &stat);
+        if (stat.st_mode & S_IFDIR) {
+            printf("%s/\n", entry.d_name);
+        } else if (stat.st_mode & S_IFREG) {
+            printf("%s\t%lu B\n", entry.d_name, stat.st_size);
+            ++nfiles;
+        }
     }
     if (ret == 0) {
         printf("total %u files\n", nfiles);