Dmitry Timoshkov : ws2_32: Add a workaround for broken versions of glibc which return EAI_SYSTEM and set errno to 0 instead returning of EAI_NONAME .

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 83a1789c559166ceb59255ed0f2c116cb5b13c96
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=83a1789c559166ceb59255ed0f...

Author: Dmitry Timoshkov <dmitry(a)baikal.ru>
Date:   Wed Dec 11 17:01:02 2013 +0900

ws2_32: Add a workaround for broken versions of glibc which return EAI_SYSTEM and set errno to 0 instead returning of EAI_NONAME.

---

 dlls/ws2_32/socket.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/dlls/ws2_32/socket.c b/dlls/ws2_32/socket.c
index 304b0eb..79feb2b 100644
--- a/dlls/ws2_32/socket.c
+++ b/dlls/ws2_32/socket.c
@@ -5370,6 +5370,14 @@ static int convert_eai_u2w(int unixret) {
     for (i=0;ws_eai_map[i][0];i++)
         if (ws_eai_map[i][1] == unixret)
             return ws_eai_map[i][0];
+
+    if (unixret == EAI_SYSTEM)
+        /* There are broken versions of glibc which return EAI_SYSTEM
+         * and set errno to 0 instead of returning EAI_NONAME.
+         */
+        return errno ? sock_get_error( errno ) : WS_EAI_NONAME;
+
+    FIXME("Unhandled unix EAI_xxx ret %d\n", unixret);
     return unixret;
 }