diff options
Diffstat (limited to 'source4/ntvfs/posix/vfs_posix.h')
| -rw-r--r-- | source4/ntvfs/posix/vfs_posix.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/source4/ntvfs/posix/vfs_posix.h b/source4/ntvfs/posix/vfs_posix.h index 0daacf2c33..f6faf718be 100644 --- a/source4/ntvfs/posix/vfs_posix.h +++ b/source4/ntvfs/posix/vfs_posix.h @@ -49,6 +49,8 @@ struct pvfs_state { } search; struct pvfs_file *open_files; + + struct pvfs_mangle_context *mangle_ctx; }; @@ -115,6 +117,32 @@ struct pvfs_file { uint16_t smbpid; }; +struct pvfs_mangle_context { + uint8_t char_flags[256]; + /* + this determines how many characters are used from the original + filename in the 8.3 mangled name. A larger value leads to a weaker + hash and more collisions. The largest possible value is 6. + */ + int mangle_prefix; + uint32_t mangle_modulus; + + /* we will use a very simple direct mapped prefix cache. The big + advantage of this cache structure is speed and low memory usage + + The cache is indexed by the low-order bits of the hash, and confirmed by + hashing the resulting cache entry to match the known hash + */ + char **prefix_cache; + uint32_t *prefix_cache_hashes; + + /* this is used to reverse the base 36 mapping */ + unsigned char base_reverse[256]; + + const char **reserved_names; +}; + + /* flags to pvfs_resolve_name() */ #define PVFS_RESOLVE_NO_WILDCARD (1<<0) |