fix:[dfs]ls在文件名太长时打印出来的文件名与大小连接在一起,无法区分

components/dfs/dfs_v1/src/dfs_file.c

@@ -830,11 +830,11 @@ void ls(const char *pathname)
                     rt_kprintf("%-20s", dirent.d_name);
                     if (S_ISDIR(stat.st_mode))
                     {
-                        rt_kprintf("%-25s\n", "<DIR>");
+                        rt_kprintf(" %-25s\n", "<DIR>");
                     }
                     else
                     {
-                        rt_kprintf("%-25lu\n", (unsigned long)stat.st_size);
+                        rt_kprintf(" %-25lu\n", (unsigned long)stat.st_size);
                     }
                 }
                 else

components/dfs/dfs_v2/src/dfs_file.c

@@ -2597,7 +2597,7 @@ void ls(const char *pathname)
                         if (S_ISDIR(stat.st_mode))
                         {
                             rt_kprintf(_COLOR_BLUE "%-20s" _COLOR_NORMAL, dirent.d_name);
-                            rt_kprintf("%-25s\n", "<DIR>");
+                            rt_kprintf(" %-25s\n", "<DIR>");
                         }
                         else if (S_ISLNK(stat.st_mode))
                         {
@@ -2655,17 +2655,17 @@ void ls(const char *pathname)
                         else if (stat.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))
                         {
                             rt_kprintf(_COLOR_GREEN "%-20s" _COLOR_NORMAL, dirent.d_name);
-                            rt_kprintf("%-25lu\n", (unsigned long)stat.st_size);
+                            rt_kprintf(" %-25lu\n", (unsigned long)stat.st_size);
                         }
                         else if (S_ISCHR(stat.st_mode))
                         {
                             rt_kprintf(_COLOR_YELLOW "%-20s" _COLOR_NORMAL, dirent.d_name);
-                            rt_kprintf("%-25s\n", "<CHR>");
+                            rt_kprintf(" %-25s\n", "<CHR>");
                         }
                         else
                         {
                             rt_kprintf("%-20s", dirent.d_name);
-                            rt_kprintf("%-25lu\n", (unsigned long)stat.st_size);
+                            rt_kprintf(" %-25lu\n", (unsigned long)stat.st_size);
                         }
                     }
                     else