fs-util: add new CHASE_NON_EXISTING flag to chase_symlinks()

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

diff --git a/src/basic/path-util.h b/src/basic/path-util.h
index feb959d42971e93bd4af6982c273b031c35aad41..4d284d23cfe309f12470c24c220c63bd4d52cc3a 100644 (file)
--- a/src/basic/path-util.h
+++ b/src/basic/path-util.h
@@ -1,5 +1,3 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
 #pragma once
 
 /***
@@ -21,7 +19,9 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#include <alloca.h>
 #include <stdbool.h>
+#include <stddef.h>
 
 #include "macro.h"
 #include "time-util.h"
@@ -55,10 +55,29 @@ bool path_equal_or_files_same(const char *a, const char *b);
 #if 0 /// UNNEEDED by elogind
 char* path_join(const char *root, const char *path, const char *rest);
 
+static inline bool path_equal_ptr(const char *a, const char *b) {
+        return !!a == !!b && (!a || path_equal(a, b));
+}
+#endif // 0
+
+/* Note: the search terminates on the first NULL item. */
+#define PATH_IN_SET(p, ...)                                     \
+        ({                                                      \
+                char **s;                                       \
+                bool _found = false;                            \
+                STRV_FOREACH(s, STRV_MAKE(__VA_ARGS__))         \
+                        if (path_equal(p, *s)) {                \
+                               _found = true;                   \
+                               break;                           \
+                        }                                       \
+                _found;                                         \
+        })
+
+#if 0 /// UNNEEDED by elogind
 int path_strv_make_absolute_cwd(char **l);
 #endif // 0
-char** path_strv_resolve(char **l, const char *prefix);
-char** path_strv_resolve_uniq(char **l, const char *prefix);
+char** path_strv_resolve(char **l, const char *root);
+char** path_strv_resolve_uniq(char **l, const char *root);
 
 #if 0 /// UNNEEDED by elogind
 int find_binary(const char *name, char **filename);
@@ -117,9 +136,11 @@ bool path_is_safe(const char *p) _pure_;
 
 char *file_in_same_dir(const char *path, const char *filename);
 
-bool hidden_file_allow_backup(const char *filename);
-bool hidden_file(const char *filename) _pure_;
+bool hidden_or_backup_file(const char *filename) _pure_;
 
 #if 0 /// UNNEEDED by elogind
 bool is_device_path(const char *path);
+bool is_deviceallow_pattern(const char *path);
+
+int systemd_installation_has_version(const char *root, unsigned minimal_version);
 #endif // 0