diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/linux/xattr_acl.h |
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'include/linux/xattr_acl.h')
-rw-r--r-- | include/linux/xattr_acl.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/linux/xattr_acl.h b/include/linux/xattr_acl.h new file mode 100644 index 000000000000..7a1f9b93a45f --- /dev/null +++ b/include/linux/xattr_acl.h | |||
@@ -0,0 +1,50 @@ | |||
1 | /* | ||
2 | File: linux/xattr_acl.h | ||
3 | |||
4 | (extended attribute representation of access control lists) | ||
5 | |||
6 | (C) 2000 Andreas Gruenbacher, <a.gruenbacher@computer.org> | ||
7 | */ | ||
8 | |||
9 | #ifndef _LINUX_XATTR_ACL_H | ||
10 | #define _LINUX_XATTR_ACL_H | ||
11 | |||
12 | #include <linux/posix_acl.h> | ||
13 | |||
14 | #define XATTR_NAME_ACL_ACCESS "system.posix_acl_access" | ||
15 | #define XATTR_NAME_ACL_DEFAULT "system.posix_acl_default" | ||
16 | |||
17 | #define XATTR_ACL_VERSION 0x0002 | ||
18 | |||
19 | typedef struct { | ||
20 | __u16 e_tag; | ||
21 | __u16 e_perm; | ||
22 | __u32 e_id; | ||
23 | } xattr_acl_entry; | ||
24 | |||
25 | typedef struct { | ||
26 | __u32 a_version; | ||
27 | xattr_acl_entry a_entries[0]; | ||
28 | } xattr_acl_header; | ||
29 | |||
30 | static inline size_t xattr_acl_size(int count) | ||
31 | { | ||
32 | return sizeof(xattr_acl_header) + count * sizeof(xattr_acl_entry); | ||
33 | } | ||
34 | |||
35 | static inline int xattr_acl_count(size_t size) | ||
36 | { | ||
37 | if (size < sizeof(xattr_acl_header)) | ||
38 | return -1; | ||
39 | size -= sizeof(xattr_acl_header); | ||
40 | if (size % sizeof(xattr_acl_entry)) | ||
41 | return -1; | ||
42 | return size / sizeof(xattr_acl_entry); | ||
43 | } | ||
44 | |||
45 | struct posix_acl * posix_acl_from_xattr(const void *value, size_t size); | ||
46 | int posix_acl_to_xattr(const struct posix_acl *acl, void *buffer, size_t size); | ||
47 | |||
48 | |||
49 | |||
50 | #endif /* _LINUX_XATTR_ACL_H */ | ||