user-util: add get{pw,gr}{uid,gid,name}_malloc() helpers

[thirdparty/systemd.git] / src / nspawn / nspawn.c

diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index c48b51323b7ff98e4225e21235aa9f5d4e49b9f3..89ef0e4daaa040385e45104918108de735a78a4c 100644 (file)
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -4211,13 +4211,13 @@ static int uid_shift_pick(uid_t *shift, LockFile *ret_lock_file) {
                         return r;
 
                 /* Make some superficial checks whether the range is currently known in the user database */
-                if (getpwuid(candidate))
+                if (getpwuid_malloc(candidate, /* ret= */ NULL) >= 0)
                         goto next;
-                if (getpwuid(candidate + UINT32_C(0xFFFE)))
+                if (getpwuid_malloc(candidate + UINT32_C(0xFFFE), /* ret= */ NULL) >= 0)
                         goto next;
-                if (getgrgid(candidate))
+                if (getgrgid_malloc(candidate, /* ret= */ NULL) >= 0)
                         goto next;
-                if (getgrgid(candidate + UINT32_C(0xFFFE)))
+                if (getgrgid_malloc(candidate + UINT32_C(0xFFFE), /* ret= */ NULL) >= 0)
                         goto next;
 
                 *ret_lock_file = lf;