groups,id: don’t assume gid_t fits in unsigned long

* src/group-list.c (print_group): Convert to intmax_t or
uintmax_t, not to unsigned long.

diff --git a/src/group-list.c b/src/group-list.c
index d94d79e757c20355ce8e18cf9671d6e0e1b5c36f..52301239177417308545a6fe4cf17b59e25ea88f 100644 (file)
--- a/src/group-list.c
+++ b/src/group-list.c
@@ -109,8 +109,16 @@ print_group (gid_t gid, bool use_name)
       grp = getgrgid (gid);
       if (grp == nullptr)
         {
-          error (0, 0, _("cannot find name for group ID %lu"),
-                 (unsigned long int) gid);
+          if (TYPE_SIGNED (gid_t))
+            {
+              intmax_t g = gid;
+              error (0, 0, _("cannot find name for group ID %"PRIdMAX), g);
+            }
+          else
+            {
+              uintmax_t g = gid;
+              error (0, 0, _("cannot find name for group ID %"PRIuMAX), g);
+            }
           ok = false;
         }
     }