[PATCH] Make sure RES_USE_INET6 is always restored

[Andreas Schwab]

2011-06-30  Andreas Schwab  <schwab@redhat.com>

	* sysdeps/posix/getaddrinfo.c (gaih_inet): Make sure RES_USE_INET6
	is always restored.
---
 sysdeps/posix/getaddrinfo.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
index 2b7de7e..3d6506a 100644
--- a/sysdeps/posix/getaddrinfo.c
+++ b/sysdeps/posix/getaddrinfo.c
@@ -818,6 +818,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
 	      tmpbuf = malloc (tmpbuflen);
 	      if (tmpbuf == NULL)
 		{
+		  _res.options |= old_res_options & RES_USE_INET6;
 		  result = -EAI_MEMORY;
 		  goto free_and_return;
 		}
@@ -862,6 +863,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
 						2 * tmpbuflen);
 			  if (newp == NULL)
 			    {
+			      _res.options |= old_res_options & RES_USE_INET6;
 			      result = -EAI_MEMORY;
 			      goto free_and_return;
 			    }
@@ -981,6 +983,8 @@ gaih_inet (const char *name, const struct gaih_service *service,
 				      canonbuf = malloc (max_fqdn_len);
 				      if (canonbuf == NULL)
 					{
+					  _res.options
+					    |= old_res_options & RES_USE_INET6;
 					  result = -EAI_MEMORY;
 					  goto free_and_return;
 					}
-- 
1.7.5.4


-- 
Andreas Schwab, schwab@redhat.com
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