* net.cc (dup_ent): Avoid dereferencing a null pointer in a debug_printf.

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 9c2f7bcae9aa186fbe49652168b40f92b379fa12..112e84c7d37e7049594e4fcfa808b75f22a9edf9 100644 (file)
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,7 @@
+2005-03-09  Christopher Faylor  <cgf@timesys.com>
+
+       * net.cc (dup_ent): Avoid dereferencing a null pointer in a debug_printf.
+
 2005-03-09  Christopher Faylor  <cgf@timesys.com>
 
        * path.cc (path_conv::check): Treat ENOSHARE similarly to ENOENT when

diff --git a/winsup/cygwin/net.cc b/winsup/cygwin/net.cc
index 3fee9eb91fcde3cee803a428cc64a419a3a8063a..ed52807d60482c2bdda36e3cd4323c9a4cbe747a 100644 (file)
--- a/winsup/cygwin/net.cc
+++ b/winsup/cygwin/net.cc
@@ -389,7 +389,7 @@ dup_ent (void *old, void *src0, struct_type type)
   if (old)
     {
       debug_printf ("freeing old %sent structure \"%s\" %p\n", entnames[type],
-                   ((unionent *) old)->name, old);
+                   old ? ((unionent *) old)->name : "<null!>", old);
       free (old);
     }