[svn] Remove K&R support.

[wget] / src / connect.c

diff --git a/src/connect.c b/src/connect.c
index 24dd1faae943341ae3534042585798a8e2c9bc1c..436258c3f0d2a07fef5082e627e6051901f2573a 100644 (file)
--- a/src/connect.c
+++ b/src/connect.c
@@ -31,7 +31,6 @@ so, delete this exception statement from your version.  */
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <sys/types.h>
 #ifdef HAVE_UNISTD_H
 # include <unistd.h>
 #endif
@@ -47,11 +46,7 @@ so, delete this exception statement from your version.  */
 #endif /* not WINDOWS */
 
 #include <errno.h>
-#ifdef HAVE_STRING_H
-# include <string.h>
-#else
-# include <strings.h>
-#endif /* HAVE_STRING_H */
+#include <string.h>
 #ifdef HAVE_SYS_SELECT_H
 # include <sys/select.h>
 #endif /* HAVE_SYS_SELECT_H */
@@ -62,10 +57,6 @@ so, delete this exception statement from your version.  */
 #include "connect.h"
 #include "hash.h"
 
-#ifndef errno
-extern int errno;
-#endif
-
 /* Define sockaddr_storage where unavailable (presumably on IPv4-only
    hosts).  */
 
@@ -608,37 +599,6 @@ retryable_socket_connect_error (int err)
   return 1;
 }
 
-#ifdef ENABLE_IPV6
-# ifndef HAVE_GETADDRINFO_AI_ADDRCONFIG
-
-/* Return non-zero if the INET6 socket family is supported on the
-   system.
-
-   This doesn't guarantee that we're able to connect to IPv6 hosts,
-   but it's better than nothing.  It is only used on systems where
-   getaddrinfo doesn't support AI_ADDRCONFIG.  (See lookup_host.)  */
-
-int
-socket_has_inet6 (void)
-{
-  static int supported = -1;
-  if (supported == -1)
-    {
-      int sock = socket (AF_INET6, SOCK_STREAM, 0);
-      if (sock < 0)
-       supported = 0;
-      else
-       {
-         fd_close (sock);
-         supported = 1;
-       }
-    }
-  return supported;
-}
-
-# endif/* not HAVE_GETADDRINFO_AI_ADDRCONFIG */
-#endif /* ENABLE_IPV6 */
-
 /* Wait for a single descriptor to become available, timing out after
    MAXTIME seconds.  Returns 1 if FD is available, 0 for timeout and
    -1 for error.  The argument WAIT_FOR can be a combination of