cgroup: rename cg_update_unified() → cg_unified_update()

[elogind.git] / src / basic / fs-util.h

diff --git a/src/basic/fs-util.h b/src/basic/fs-util.h
index 08d24fd9b0579e484a4ae13e2c51abb57532b926..60f465a4d919bf2a301bdd66c916c6994b732a29 100644 (file)
--- a/src/basic/fs-util.h
+++ b/src/basic/fs-util.h
@@ -42,7 +42,7 @@ int readlink_malloc(const char *p, char **r);
 #if 0 /// UNNEEDED by elogind
 int readlink_value(const char *p, char **ret);
 int readlink_and_make_absolute(const char *p, char **r);
-int readlink_and_canonicalize(const char *p, char **r);
+int readlink_and_canonicalize(const char *p, const char *root, char **r);
 int readlink_and_make_absolute_root(const char *root, const char *path, char **ret);
 #endif // 0
 
@@ -89,6 +89,24 @@ union inotify_event_buffer {
 };
 
 int inotify_add_watch_fd(int fd, int what, uint32_t mask);
+
 #endif // 0
+enum {
+        CHASE_PREFIX_ROOT = 1,   /* If set, the specified path will be prefixed by the specified root before beginning the iteration */
+        CHASE_NONEXISTENT = 2,   /* If set, it's OK if the path doesn't actually exist. */
+};
+
+int chase_symlinks(const char *path_with_prefix, const char *root, unsigned flags, char **ret);
+
+/* Useful for usage with _cleanup_(), removes a directory and frees the pointer */
+static inline void rmdir_and_free(char *p) {
+        (void) rmdir(p);
+        free(p);
+}
+DEFINE_TRIVIAL_CLEANUP_FUNC(char*, rmdir_and_free);
 
-int chase_symlinks(const char *path, const char *_root, char **ret);
+static inline void unlink_and_free(char *p) {
+        (void) unlink(p);
+        free(p);
+}
+DEFINE_TRIVIAL_CLEANUP_FUNC(char*, unlink_and_free);