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[PATCH] support_format_hostent: Add more error information for NETDB_INTERNAL
- From: fweimer at redhat dot com (Florian Weimer)
- To: libc-alpha at sourceware dot org
- Date: Mon, 04 Sep 2017 19:32:03 +0200
- Subject: [PATCH] support_format_hostent: Add more error information for NETDB_INTERNAL
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2017-09-04 Florian Weimer <fweimer@redhat.com>
* support/support_format_hostent.c (support_format_hostent): Add
more error information for NETDB_INTERNAL.
diff --git a/support/support_format_hostent.c b/support/support_format_hostent.c
index 5b5f26082e..88c85ec1f1 100644
--- a/support/support_format_hostent.c
+++ b/support/support_format_hostent.c
@@ -19,6 +19,7 @@
#include <support/format_nss.h>
#include <arpa/inet.h>
+#include <errno.h>
#include <stdio.h>
#include <support/support.h>
#include <support/xmemstream.h>
@@ -41,10 +42,15 @@ support_format_hostent (struct hostent *h)
{
if (h == NULL)
{
- char *value = support_format_herrno (h_errno);
- char *result = xasprintf ("error: %s\n", value);
- free (value);
- return result;
+ if (h_errno == NETDB_INTERNAL)
+ return xasprintf ("error: NETDB_INTERNAL (errno %d, %m)\n", errno);
+ else
+ {
+ char *value = support_format_herrno (h_errno);
+ char *result = xasprintf ("error: %s\n", value);
+ free (value);
+ return result;
+ }
}
struct xmemstream mem;