[rtems-libbsd commit] mDNSResponder: Fix use of uninitialized variables

[Sebastian Huber]

Module:    rtems-libbsd
Branch:    master
Commit:    91b858d2de3f3effd75009e0bf1b791b20fd555a
Changeset: http://git.rtems.org/rtems-libbsd/commit/?id=91b858d2de3f3effd75009e0bf1b791b20fd555a

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Tue Oct 16 11:24:10 2018 +0200

mDNSResponder: Fix use of uninitialized variables

---

 mDNSResponder/mDNSPosix/mDNSPosix.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/mDNSResponder/mDNSPosix/mDNSPosix.c b/mDNSResponder/mDNSPosix/mDNSPosix.c
index 701374b..e567087 100755
--- a/mDNSResponder/mDNSPosix/mDNSPosix.c
+++ b/mDNSResponder/mDNSPosix/mDNSPosix.c
@@ -448,6 +448,15 @@ mDNSexport mDNSBool mDNSPlatformSetDNSConfig(mDNSBool setservers, mDNSBool setse
     (void) RegDomains;
     (void) BrowseDomains;
     (void) ackConfig;
+#ifdef __rtems__
+    /*
+     * Copied from mDNSMacOSX/mDNSMacOSX.c to prevent use of uninitialized
+     * stack variables.
+     */
+    if (fqdn         ) fqdn->c[0]      = 0;
+    if (RegDomains   ) *RegDomains     = NULL;
+    if (BrowseDomains) *BrowseDomains  = NULL;
+#endif /* __rtems__ */
 
     return mDNStrue;
 }