fix: corner cases when printing large content through term interface

[lunaix-os.git] / lunaix-os / kernel / fs / vfs.c

diff --git a/lunaix-os/kernel/fs/vfs.c b/lunaix-os/kernel/fs/vfs.c
index 80d2036b88ab8657e48fa45ab96ab566d3b7f256..4ec74b402208c7cedd9f12c82f076dc4e41e164e 100644 (file)
--- a/lunaix-os/kernel/fs/vfs.c
+++ b/lunaix-os/kernel/fs/vfs.c
@@ -860,7 +860,7 @@ vfs_readlink(struct v_dnode* dnode, char* buf, size_t size)
 int
 vfs_get_dtype(int itype)
 {
-    if ((itype & VFS_IFSYMLINK)) {
+    if ((itype & VFS_IFSYMLINK) == VFS_IFSYMLINK) {
         return DT_SYMLINK;
     } else if (!(itype & VFS_IFFILE)) {
         return DT_DIR;
@@ -1003,6 +1003,11 @@ __DEFINE_LXSYSCALL1(int, mkdir, const char*, path)
         goto done;
     }
 
+    if (!(errno = vfs_walk(parent, name_value, &dir, NULL, 0))) {
+        errno = EEXIST;
+        goto done;
+    }
+
     if ((errno = vfs_check_writable(parent))) {
         goto done;
     }