From 7d5e9c0f60cddf01ec803012cbdc02d2f55b78c1 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 19 Sep 2012 22:21:09 +0200
Subject: util: define union dirent_storage and make use of it everywhere

Make sure to allocate enough space for readdir_r().

https://bugzilla.redhat.com/show_bug.cgi?id=858754
---
 src/login/sd-login.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src/login')

diff --git a/src/login/sd-login.c b/src/login/sd-login.c
index 82fe2ce3e3..45e3bb8dcd 100644
--- a/src/login/sd-login.c
+++ b/src/login/sd-login.c
@@ -651,11 +651,12 @@ _public_ int sd_get_uids(uid_t **users) {
                 return -errno;
 
         for (;;) {
-                struct dirent buffer, *de;
+                struct dirent *de;
+                union dirent_storage buf;
                 int k;
                 uid_t uid;
 
-                k = readdir_r(d, &buffer, &de);
+                k = readdir_r(d, &buf.de, &de);
                 if (k != 0) {
                         r = -k;
                         goto finish;
-- 
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