From 76ac602c3d79bb39c133c81a38425a77bc0b8b1f Mon Sep 17 00:00:00 2001
From: Chuyan Zhang <me@zcy.moe>
Date: Sat, 25 Nov 2023 02:13:22 -0800
Subject: Some FUSE callbacks, some POSIX interface implementation

---
 src/disk/inode.rs | 41 ++++++++++++++++++++++++++++++++++++++---
 1 file changed, 38 insertions(+), 3 deletions(-)

(limited to 'src/disk/inode.rs')

diff --git a/src/disk/inode.rs b/src/disk/inode.rs
index 1095aca..256d2f5 100644
--- a/src/disk/inode.rs
+++ b/src/disk/inode.rs
@@ -1,11 +1,11 @@
 use bitflags::bitflags;
 use fuser::{FileAttr, FileType};
-use std::fs::File;
+use crate::utils;
 
-const DIRECT_NUMBER: usize = 15;
+pub const DIRECT_NUMBER: usize = 15;
 
 #[derive(Debug, Clone, Copy)]
-pub struct InodeMode(u16);
+pub struct InodeMode(pub u16);
 
 bitflags! {
     impl InodeMode: u16 {
@@ -33,6 +33,34 @@ bitflags! {
 }
 
 impl InodeMode {
+    pub(crate) fn exec_other(&self) -> bool {
+        self.0 & Self::IXOTH.0 != 0
+    }
+    pub(crate) fn write_other(&self) -> bool {
+        self.0 & Self::IWOTH.0 != 0
+    }
+    pub(crate) fn read_other(&self) -> bool {
+        self.0 & Self::IROTH.0 != 0
+    }
+    pub(crate) fn exec_group(&self) -> bool {
+        self.0 & Self::IXGRP.0 != 0
+    }
+    pub(crate) fn write_group(&self) -> bool {
+        self.0 & Self::IWGRP.0 != 0
+    }
+    pub(crate) fn read_group(&self) -> bool {
+        self.0 & Self::IRGRP.0 != 0
+    }
+    pub(crate) fn exec_user(&self) -> bool {
+        self.0 & Self::IXUSR.0 != 0
+    }
+    pub(crate) fn write_user(&self) -> bool {
+        self.0 & Self::IWUSR.0 != 0
+    }
+    pub(crate) fn read_user(&self) -> bool {
+        self.0 & Self::IRUSR.0 != 0
+    }
+
     pub(crate) fn perm(&self) -> u16 {
         self.0 & 0x0FFF
     }
@@ -69,6 +97,13 @@ impl From<InodeMode> for FileType {
     }
 }
 
+impl From<InodeMode> for u8 {
+    fn from(value: InodeMode) -> Self {
+        utils::from_filetype(value.into())
+    }
+}
+
+
 /// Pretty much the same with ext2, with minor changes:
 /// - removed OS dependent attributes (osd1 & osd2)
 /// - removed i_faddr since fragmentation is not supported
-- 
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