feat: (devfs) a new filesystem for device exposure.

[lunaix-os.git] / lunaix-os / kernel / demos / dir_read.c

diff --git a/lunaix-os/kernel/demos/dir_read.c b/lunaix-os/kernel/demos/dir_read.c
index a0ef65f41ab542b777ad3fbf3842d67603af6e2f..0d62a79b38e36bd6887621e8af6d20c328d007ca 100644 (file)
--- a/lunaix-os/kernel/demos/dir_read.c
+++ b/lunaix-os/kernel/demos/dir_read.c
@@ -1,5 +1,6 @@
 #include <lunaix/dirent.h>
 #include <lunaix/fctrl.h>
+#include <lunaix/lunistd.h>
 #include <lunaix/proc.h>
 #include <lunaix/syslog.h>
 
@@ -14,22 +15,20 @@ _readdir_main()
         return;
     }
 
-    struct dirent ent = { .d_offset = 0 };
-
-    while (!readdir(fd, &ent)) {
-        kprintf(KINFO "%s\n", ent.d_name);
-    }
-
     char path[129];
-
-    int len = readlinkat(fd, ".", path, 128);
+    int len = realpathat(fd, path, 128);
     if (len < 0) {
         kprintf(KERROR "fail to read (%d)\n", geterrno());
+    } else {
+        path[len] = 0;
+        kprintf("%s\n", path);
     }
 
-    path[len] = 0;
+    struct dirent ent = { .d_offset = 0 };
 
-    kprintf("%s\n", path);
+    while (readdir(fd, &ent) == 1) {
+        kprintf(KINFO "%s\n", ent.d_name);
+    }
 
     close(fd);