feat: support per-process current working directory (cwd)

[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..caa88cc60be5c2b141441c6a2e4f0b937a2f0bb5 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/dirent.h>
 #include <lunaix/fctrl.h>

+#include <lunaix/lunistd.h>

 #include <lunaix/proc.h>
 #include <lunaix/syslog.h>
 
 #include <lunaix/proc.h>
 #include <lunaix/syslog.h>
 


@@ -14,22 +15,20 @@ _readdir_main()
         return;
     }
 
         return;
     }
 

-    struct dirent ent = { .d_offset = 0 };
-
-    while (!readdir(fd, &ent)) {
-        kprintf(KINFO "%s\n", ent.d_name);
-    }
-

     char path[129];
     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());
     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)) {
+        kprintf(KINFO "%s\n", ent.d_name);
+    }

 
     close(fd);
 
 
     close(fd);