tree-wide: replace path_join with path_join_many

src/basic/conf-files.c

@@ -216,7 +216,7 @@ int conf_files_insert(char ***strv, const char *root, char **dirs, const char *p
                                 p2 = path_startswith(path, *dir);
                                 if (p2) {
                                         /* Our new entry has higher priority */
-                                        t = path_join(root, path, NULL);
+                                        t = path_join_many(strempty(root), path);
                                         if (!t)
                                                 return log_oom();
 
@@ -232,7 +232,7 @@ int conf_files_insert(char ***strv, const char *root, char **dirs, const char *p
                 /* … we are not there yet, let's continue */
         }
 
-        t = path_join(root, path, NULL);
+        t = path_join_many(strempty(root), path);
         if (!t)
                 return log_oom();
 
@@ -318,7 +318,7 @@ int conf_files_list_with_replacement(
                 if (r < 0)
                         return log_error_errno(r, "Failed to extend config file list: %m");
 
-                p = path_join(root, replacement, NULL);
+                p = path_join_many(strempty(root), replacement);
                 if (!p)
                         return log_oom();
         }

src/basic/path-util.c

@@ -110,7 +110,7 @@ int path_make_absolute_cwd(const char *p, char **ret) {
                 if (r < 0)
                         return r;
 
-                c = path_join(NULL, cwd, p);
+                c = path_join_many(cwd, p);
         }
         if (!c)
                 return -ENOMEM;

src/basic/path-util.h

@@ -51,11 +51,6 @@ bool path_equal(const char *a, const char *b) _pure_;
 bool path_equal_or_files_same(const char *a, const char *b, int flags);
 char* path_join_many_internal(const char *first, ...) _sentinel_;
 #define path_join_many(x, ...) path_join_many_internal(x, __VA_ARGS__, NULL)
-static inline char* path_join(const char *root, const char *path, const char *rest) {
-        assert(path);
-
-        return path_join_many(strempty(root), path, rest);
-}
 
 char* path_simplify(char *path, bool kill_dots);
 

src/basic/selinux-util.c

@@ -366,11 +366,9 @@ int mac_selinux_create_file_prepare_at(int dirfd, const char *path, mode_t mode)
                 if (r < 0)
                         return r;
 
-                abspath = path_join(NULL, p, path);
-                if (!abspath)
+                path = abspath = path_join_many(p, path);
+                if (!path)
                         return -ENOMEM;
-
-                path = abspath;
         }
 
         r = selinux_create_file_prepare_abspath(path, mode);