feat: mount point flags check

[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 8c4a34407fc9a0efc95f4af426e4802d3f8c951f..0d62a79b38e36bd6887621e8af6d20c328d007ca 100644 (file)
--- a/lunaix-os/kernel/demos/dir_read.c
+++ b/lunaix-os/kernel/demos/dir_read.c
@@ -1,5 +1,7 @@
 #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>
 
 LOG_MODULE("RDDIR")
 #include <lunaix/syslog.h>
 
 LOG_MODULE("RDDIR")


@@ -7,15 +9,24 @@ LOG_MODULE("RDDIR")
 void
 _readdir_main()
 {
 void
 _readdir_main()
 {

-    int fd = open("/bus/../..", 0);
+    int fd = open("/dev/./../dev/.", 0);

     if (fd == -1) {
     if (fd == -1) {

-        kprintf(KERROR "fail to open\n");
+        kprintf(KERROR "fail to open (%d)\n", geterrno());

         return;
     }
 
         return;
     }
 

+    char path[129];
+    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);
+    }
+

     struct dirent ent = { .d_offset = 0 };
 
     struct dirent ent = { .d_offset = 0 };
 

-    while (!readdir(fd, &ent)) {
+    while (readdir(fd, &ent) == 1) {

         kprintf(KINFO "%s\n", ent.d_name);
     }
 
         kprintf(KINFO "%s\n", ent.d_name);
     }