tree-wide: replace strjoin() with path_join()

src/shared/bus-util.c

@@ -31,6 +31,7 @@
 #include "mountpoint-util.h"
 #include "nsflags.h"
 #include "parse-util.h"
+#include "path-util.h"
 #include "proc-cmdline.h"
 #include "rlimit-util.h"
 #include "stdio-util.h"
@@ -1552,7 +1553,7 @@ int bus_path_encode_unique(sd_bus *b, const char *prefix, const char *sender_id,
         if (!external_label)
                 return -ENOMEM;
 
-        p = strjoin(prefix, "/", sender_label, "/", external_label);
+        p = path_join(prefix, sender_label, external_label);
         if (!p)
                 return -ENOMEM;
 

src/shared/cgroup-show.c

@@ -148,7 +148,7 @@ int show_cgroup_by_path(
         while ((r = cg_read_subgroup(d, &gn)) > 0) {
                 _cleanup_free_ char *k = NULL;
 
-                k = strjoin(fn, "/", gn);
+                k = path_join(fn, gn);
                 free(gn);
                 if (!k)
                         return -ENOMEM;

src/shared/dissect-image.c

@@ -994,7 +994,7 @@ static int make_dm_name_and_node(const void *original_node, const char *suffix,
         if (!filename_is_valid(name))
                 return -EINVAL;
 
-        node = strjoin(crypt_get_dir(), "/", name);
+        node = path_join(crypt_get_dir(), name);
         if (!node)
                 return -ENOMEM;
 

src/shared/install.c

@@ -1424,7 +1424,7 @@ static int unit_file_search(
         STRV_FOREACH(p, paths->search_path) {
                 _cleanup_free_ char *path = NULL;
 
-                path = strjoin(*p, "/", info->name);
+                path = path_join(*p, info->name);
                 if (!path)
                         return -ENOMEM;
 
@@ -1447,7 +1447,7 @@ static int unit_file_search(
                 STRV_FOREACH(p, paths->search_path) {
                         _cleanup_free_ char *path = NULL;
 
-                        path = strjoin(*p, "/", template);
+                        path = path_join(*p, template);
                         if (!path)
                                 return -ENOMEM;
 
@@ -1840,7 +1840,7 @@ static int install_info_symlink_link(
         if (r > 0)
                 return 0;
 
-        path = strjoin(config_path, "/", i->name);
+        path = path_join(config_path, i->name);
         if (!path)
                 return -ENOMEM;
 
@@ -2379,7 +2379,7 @@ int unit_file_revert(
                 STRV_FOREACH(j, fs) {
                         _cleanup_free_ char *t = NULL;
 
-                        t = strjoin(*i, "/", *j);
+                        t = path_join(*i, *j);
                         if (!t)
                                 return -ENOMEM;
 

src/shared/machine-image.c

@@ -146,10 +146,7 @@ static int image_new(
         if (!i->name)
                 return -ENOMEM;
 
-        if (path)
-                i->path = strjoin(path, "/", filename);
-        else
-                i->path = strdup(filename);
+        i->path = path_join(path, filename);
         if (!i->path)
                 return -ENOMEM;
 

src/shared/path-lookup.c

@@ -303,7 +303,7 @@ static int acquire_transient_dir(
                 return -EOPNOTSUPP;
 
         if (tempdir)
-                transient = strjoin(tempdir, "/transient");
+                transient = path_join(tempdir, "transient");
         else if (scope == UNIT_FILE_SYSTEM)
                 transient = strdup("/run/systemd/transient");
         else