1 files changed, 60 insertions, 0 deletions
diff --git a/src/usermap.h b/src/usermap.h
new file mode 100644
index 0000000..8a74bb1
--- /dev/null
+++ b/src/usermap.h
@@ -0,0 +1,60 @@
+/*
+    Copyright 2012 Martin Pärtel <martin.partel@gmail.com>
+
+    This file is part of bindfs.
+
+    bindfs is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 2 of the License, or
+    (at your option) any later version.
+
+    bindfs is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with bindfs.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef INC_BINDFS_USERMAP_H
+#define INC_BINDFS_USERMAP_H
+
+#include <config.h>
+
+#include <stdio.h>
+#include <unistd.h>
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+/* A map of user IDs to userIDs and group IDs to group IDs. */
+struct UserMap;
+typedef struct UserMap UserMap;
+
+typedef enum UsermapStatus {
+    usermap_status_ok = 0,
+    usermap_status_duplicate_key = 1
+} UsermapStatus;
+
+UserMap *usermap_create();
+void usermap_destroy(UserMap *map);
+
+UsermapStatus usermap_add_uid(UserMap *map, uid_t from, uid_t to);
+UsermapStatus usermap_add_gid(UserMap *map, gid_t from, gid_t to);
+
+const char* usermap_errorstr(UsermapStatus status);
+
+/* Returns the uid that u is mapped to, or u if none. */
+uid_t usermap_get_uid(UserMap *map, uid_t u);
+
+/* Returns the gid that g is mapped to, or g if none. */
+gid_t usermap_get_gid(UserMap *map, gid_t g);
+
+/* Returns the uid that u is mapped to, or -1 if none. */
+uid_t usermap_get_uid_or_none(UserMap *map, uid_t u);
+
+/* Returns the gid that g is mapped to, or -1 if none. */
+gid_t usermap_get_gid_or_none(UserMap *map, gid_t g);
+
+#endif