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-rw-r--r--src/core/machine-id-setup.c28
1 files changed, 4 insertions, 24 deletions
diff --git a/src/core/machine-id-setup.c b/src/core/machine-id-setup.c
index 9e6b3d3292..7b25349c07 100644
--- a/src/core/machine-id-setup.c
+++ b/src/core/machine-id-setup.c
@@ -120,10 +120,7 @@ static int generate_machine_id(char id[34], const char *root) {
assert(id);
- if (isempty(root))
- dbus_machine_id = "/var/lib/dbus/machine-id";
- else
- dbus_machine_id = strjoina(root, "/var/lib/dbus/machine-id");
+ dbus_machine_id = prefix_roota(root, "/var/lib/dbus/machine-id");
/* First, try reading the D-Bus machine id, unless it is a symlink */
fd = open(dbus_machine_id, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW);
@@ -203,18 +200,8 @@ int machine_id_setup(const char *root, sd_id128_t machine_id) {
char id[34]; /* 32 + \n + \0 */
int r;
- if (isempty(root)) {
- etc_machine_id = "/etc/machine-id";
- run_machine_id = "/run/machine-id";
- } else {
- char *x;
-
- x = strjoina(root, "/etc/machine-id");
- etc_machine_id = path_kill_slashes(x);
-
- x = strjoina(root, "/run/machine-id");
- run_machine_id = path_kill_slashes(x);
- }
+ etc_machine_id = prefix_roota(root, "/etc/machine-id");
+ run_machine_id = prefix_roota(root, "/run/machine-id");
RUN_WITH_UMASK(0000) {
/* We create this 0444, to indicate that this isn't really
@@ -301,14 +288,7 @@ int machine_id_commit(const char *root) {
char id[34]; /* 32 + \n + \0 */
int r;
- if (isempty(root))
- etc_machine_id = "/etc/machine-id";
- else {
- char *x;
-
- x = strjoina(root, "/etc/machine-id");
- etc_machine_id = path_kill_slashes(x);
- }
+ etc_machine_id = prefix_roota(root, "/etc/machine-id");
r = path_is_mount_point(etc_machine_id, 0);
if (r < 0)