Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 41 insertions, 0 deletions

diff --git a/src/c-ares/ares_free_hostent.c b/src/c-ares/ares_free_hostent.c
new file mode 100644
index 000000000..cfc5f81fe
--- /dev/null
+++ b/src/c-ares/ares_free_hostent.c
@@ -0,0 +1,41 @@
+
+/* Copyright 1998 by the Massachusetts Institute of Technology.
+ *
+ * Permission to use, copy, modify, and distribute this
+ * software and its documentation for any purpose and without
+ * fee is hereby granted, provided that the above copyright
+ * notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting
+ * documentation, and that the name of M.I.T. not be used in
+ * advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission.
+ * M.I.T. makes no representations about the suitability of
+ * this software for any purpose.  It is provided "as is"
+ * without express or implied warranty.
+ */
+
+#include "ares_setup.h"
+
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+
+#include "ares.h"
+#include "ares_private.h" /* for memdebug */
+
+void ares_free_hostent(struct hostent *host)
+{
+  char **p;
+
+  if (!host)
+    return;
+
+  ares_free((char *)(host->h_name));
+  for (p = host->h_aliases; *p; p++)
+    ares_free(*p);
+  ares_free(host->h_aliases);
+  ares_free(host->h_addr_list[0]); /* no matter if there is one or many entries,
+                                 there is only one malloc for all of them */
+  ares_free(host->h_addr_list);
+  ares_free(host);
+}