tree-wide: make bus_map_all_properties return a proper sd_bus_error

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

diff --git a/src/basic/fs-util.h b/src/basic/fs-util.h
index d36d2d6aaa8560987c5c057f18b165b7ac8909b8..3f47537de147fb2b0689cc89f238f3596ccf7f16 100644 (file)
--- a/src/basic/fs-util.h
+++ b/src/basic/fs-util.h
@@ -1,5 +1,3 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
 #pragma once
 
 /***
@@ -22,48 +20,62 @@
 ***/
 
 #include <fcntl.h>
+#include <limits.h>
+#include <stdbool.h>
+#include <stdint.h>
 #include <sys/inotify.h>
 #include <sys/types.h>
 #include <unistd.h>
-#include <limits.h>
 
 #include "time-util.h"
 
 int unlink_noerrno(const char *path);
 
-// UNNEEDED int rmdir_parents(const char *path, const char *stop);
+#if 0 /// UNNEEDED by elogind
+int rmdir_parents(const char *path, const char *stop);
 
-// UNNEEDED int rename_noreplace(int olddirfd, const char *oldpath, int newdirfd, const char *newpath);
+int rename_noreplace(int olddirfd, const char *oldpath, int newdirfd, const char *newpath);
+#endif // 0
 
 int readlinkat_malloc(int fd, const char *p, char **ret);
 int readlink_malloc(const char *p, char **r);
-// UNNEEDED int readlink_value(const char *p, char **ret);
-// UNNEEDED int readlink_and_make_absolute(const char *p, char **r);
-// UNNEEDED int readlink_and_canonicalize(const char *p, char **r);
-// UNNEEDED int readlink_and_make_absolute_root(const char *root, const char *path, char **ret);
+#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, const char *root, char **r);
+int readlink_and_make_absolute_root(const char *root, const char *path, char **ret);
+#endif // 0
 
 int chmod_and_chown(const char *path, mode_t mode, uid_t uid, gid_t gid);
-// UNNEEDED int fchmod_and_fchown(int fd, mode_t mode, uid_t uid, gid_t gid);
 
 int fchmod_umask(int fd, mode_t mode);
 
 int fd_warn_permissions(const char *path, int fd);
 
+#ifdef __GLIBC__
 #define laccess(path, mode) faccessat(AT_FDCWD, (path), (mode), AT_SYMLINK_NOFOLLOW)
+#else
+#define laccess(path, mode) faccessat(AT_FDCWD, (path), (mode), 0)
+#endif
+
 
 int touch_file(const char *path, bool parents, usec_t stamp, uid_t uid, gid_t gid, mode_t mode);
 int touch(const char *path);
 
-// UNNEEDED int symlink_idempotent(const char *from, const char *to);
+#if 0 /// UNNEEDED by elogind
+int symlink_idempotent(const char *from, const char *to);
 
-// UNNEEDED int symlink_atomic(const char *from, const char *to);
-// UNNEEDED int mknod_atomic(const char *path, mode_t mode, dev_t dev);
-// UNNEEDED int mkfifo_atomic(const char *path, mode_t mode);
+int symlink_atomic(const char *from, const char *to);
+int mknod_atomic(const char *path, mode_t mode, dev_t dev);
+int mkfifo_atomic(const char *path, mode_t mode);
+#endif // 0
 
 int get_files_in_directory(const char *path, char ***list);
 
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
+int tmp_dir(const char **ret);
+int var_tmp_dir(const char **ret);
+
 #define INOTIFY_EVENT_MAX (sizeof(struct inotify_event) + NAME_MAX + 1)
 
 #define FOREACH_INOTIFY_EVENT(e, buffer, sz) \
@@ -75,4 +87,20 @@ union inotify_event_buffer {
         struct inotify_event ev;
         uint8_t raw[INOTIFY_EVENT_MAX];
 };
+
+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);