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-rw-r--r--src/nspawn/nspawn.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index 0bd52da568..6be4dcae59 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -769,6 +769,15 @@ static int setup_resolv_conf(const char *dest) {
return 0;
}
+static char* id128_format_as_uuid(sd_id128_t id, char s[37]) {
+
+ snprintf(s, 37,
+ "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+ SD_ID128_FORMAT_VAL(id));
+
+ return s;
+}
+
static int setup_boot_id(const char *dest) {
_cleanup_free_ char *from = NULL, *to = NULL;
sd_id128_t rnd = {};
@@ -794,10 +803,7 @@ static int setup_boot_id(const char *dest) {
return r;
}
- snprintf(as_uuid, sizeof(as_uuid),
- "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
- SD_ID128_FORMAT_VAL(rnd));
- char_array_0(as_uuid);
+ id128_format_as_uuid(rnd, as_uuid);
r = write_string_file(from, as_uuid);
if (r < 0) {
@@ -2954,7 +2960,9 @@ int main(int argc, char *argv[]) {
}
if (!sd_id128_equal(arg_uuid, SD_ID128_NULL)) {
- if (asprintf((char**)(envp + n_env++), "container_uuid=" SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(arg_uuid)) < 0) {
+ char as_uuid[37];
+
+ if (asprintf((char**)(envp + n_env++), "container_uuid=%s", id128_format_as_uuid(arg_uuid, as_uuid)) < 0) {
log_oom();
goto child_fail;
}