[master] cd458db Tighten SO{RCV,SND}TIMEO check

[Tollef Fog Heen]

commit cd458db6d792022164b5221f6313ae4079982b58
Author: Tollef Fog Heen <tfheen at varnish-software.com>
Date:   Tue Mar 8 11:03:50 2011 +0100

    Tighten SO{RCV,SND}TIMEO check
    
    We can check the size of the return value too.

diff --git a/configure.ac b/configure.ac
index 2ac0c94..ab2bd65 100644
--- a/configure.ac
+++ b/configure.ac
@@ -354,7 +354,7 @@ struct timeval tv = { 1, 0 };
 if (setsockopt(sd, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof tv) == 0) {
     socklen_t l = sizeof tv;
     if (getsockopt(sd, SOL_SOCKET, SO_RCVTIMEO, &tv, &l) == 0) {
-        return 0;
+        return (l != sizeof tv);
     }
 }
 return 1;
@@ -379,7 +379,7 @@ struct timeval tv = { 1, 0 };
 if (setsockopt(sd, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof tv) == 0) {
     socklen_t l = sizeof tv;
     if (getsockopt(sd, SOL_SOCKET, SO_SNDTIMEO, &tv, &l) == 0) {
-        return 0;
+        return (l != sizeof tv);
     }
 }
 return 1;