Move user and user ID related functions to separate files.

[adu.git] / user.h

diff --git a/user.h b/user.h
new file mode 100644 (file)
index 0000000..3eefab1
--- /dev/null
+++ b/user.h
@@ -0,0 +1,53 @@
+/** The columns of the id table. */
+enum user_table_columns {
+       /** The numer of the directory. */
+       UT_DIR_NUM,
+       /** The number of bytes of all regular files in this dir owned by this id. */
+       UT_BYTES,
+       /** The number of files in this dir owned by this id. */
+       UT_FILES,
+       /** Number of columns in this table. */
+       NUM_UT_COLUMNS
+};
+
+/** Information about one admissible user. */
+struct user_info {
+       /** User ID. */
+       uint32_t uid;
+       /** \sa enum uid_info_flags. */
+       uint32_t flags;
+       /** The user name.  */
+       char *pw_name;
+       /** The user table of this user.*/
+       struct osl_table *table;
+       /** Total number of files owned by this user. */
+       uint64_t files;
+       /** Total number of bytes owned by this user. */
+       uint64_t bytes;
+       /** Total number of directories that contain at least one file */
+       uint64_t dirs;
+       /** The description of the user table. */
+       struct osl_table_description *desc;
+};
+
+/** An opaque struct that contains info about which users are admissible. */
+struct uid_range;
+
+enum search_uid_flags {
+       OPEN_USER_TABLE = 1,
+       CREATE_USER_TABLE = 2,
+};
+int search_uid(uint32_t uid, struct uid_range *urs,
+               enum search_uid_flags flags, struct user_info **ui_ptr);
+
+int read_uid_file(struct uid_range *admissible_uids);
+int write_uid_file(void);
+
+void create_hash_table(unsigned bits);
+void sort_hash_table(int (*comp)(const void *, const void *));
+void free_hash_table(void);
+
+int for_each_admissible_user(int (*func)(struct user_info *, void *),
+               void *data);
+int parse_uid_arg(const char *orig_arg, struct uid_range **ur);
+void close_user_tables(void);