Fix build when libpsl is not available

[wget] / src / mswindows.c

diff --git a/src/mswindows.c b/src/mswindows.c
index d9942347216e4478448a5004e566b9cd70ade6c6..179773e05fccfd99a9d566b6385540ca0ddbc9c5 100644 (file)
--- a/src/mswindows.c
+++ b/src/mswindows.c
@@ -1,11 +1,13 @@
 /* mswindows.c -- Windows-specific support
 /* mswindows.c -- Windows-specific support

-   Copyright (C) 1996-2005 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+   2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
+   Inc.

 
 This file is part of GNU Wget.
 
 GNU Wget is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 
 This file is part of GNU Wget.
 
 GNU Wget is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

-the Free Software Foundation; either version 2 of the License, or
+the Free Software Foundation; either version 3 of the License, or

 (at your option) any later version.
 
 GNU Wget is distributed in the hope that it will be useful,
 (at your option) any later version.
 
 GNU Wget is distributed in the hope that it will be useful,


@@ -14,42 +16,30 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License

-along with Wget; if not, write to the Free Software Foundation, Inc.,
-51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+along with Wget.  If not, see <http://www.gnu.org/licenses/>.

 
 

-In addition, as a special exception, the Free Software Foundation
-gives permission to link the code of its release of Wget with the
-OpenSSL project's "OpenSSL" library (or with modified versions of it
-that use the same license as the "OpenSSL" library), and distribute
-the linked executables.  You must obey the GNU General Public License
-in all respects for all of the code used other than "OpenSSL".  If you
-modify this file, you may extend this exception to your version of the
-file, but you are not obligated to do so.  If you do not wish to do
-so, delete this exception statement from your version.  */
+Additional permission under GNU GPL version 3 section 7

 
 

-#include <config.h>
+If you modify this program, or any covered work, by linking or
+combining it with the OpenSSL project's OpenSSL library (or a
+modified version of that library), containing parts covered by the
+terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
+grants you additional permission to convey the resulting work.
+Corresponding Source for a non-source form of such a combination
+shall include the source code for the parts of OpenSSL used as well
+as that of the covered work.  */
+
+#define INHIBIT_WRAP /* avoid wrapping of socket, bind, ... */
+
+#include "wget.h"

 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>

-#include <assert.h>

 #include <errno.h>
 #include <math.h>
 
 #include <errno.h>
 #include <math.h>
 

-#ifdef HACK_BCC_UTIME_BUG
-# include <io.h>
-# include <fcntl.h>
-# ifdef HAVE_UTIME_H
-#  include <utime.h>
-# endif
-# ifdef HAVE_SYS_UTIME_H
-#  include <sys/utime.h>
-# endif
-#endif

 
 

-#define INHIBIT_WRAP /* avoid wrapping of socket, bind, ... */
-
-#include "wget.h"

 #include "utils.h"
 #include "url.h"
 
 #include "utils.h"
 #include "url.h"
 


@@ -70,144 +60,21 @@ void log_request_redirect_output (const char *);
 void
 xsleep (double seconds)
 {
 void
 xsleep (double seconds)
 {

-#ifdef HAVE_USLEEP
+#if defined(HAVE_USLEEP) && defined(HAVE_SLEEP)

   if (seconds > 1000)
     {
       /* Explained in utils.c. */
       sleep (seconds);
       seconds -= (long) seconds;
     }
   if (seconds > 1000)
     {
       /* Explained in utils.c. */
       sleep (seconds);
       seconds -= (long) seconds;
     }

-  usleep (seconds * 1000000L);
+  usleep (seconds * 1000000);

 #else  /* not HAVE_USLEEP */
   SleepEx ((DWORD) (seconds * 1000 + .5), FALSE);
 #endif /* not HAVE_USLEEP */
 }
 
 #else  /* not HAVE_USLEEP */
   SleepEx ((DWORD) (seconds * 1000 + .5), FALSE);
 #endif /* not HAVE_USLEEP */
 }
 

-#if defined(__BORLANDC__) || (defined(_MSC_VER) && _MSC_VER < 1300)
-
-static inline int
-char_value (char c, int base)
-{
-  int value;
-  if (c < '0')
-    return -1;
-  if ('0' <= c && c <= '9')
-    value = c - '0';
-  else if ('a' <= c && c <= 'z')
-    value = c - 'a' + 10;
-  else if ('A' <= c && c <= 'Z')
-    value = c - 'A' + 10;
-  else
-    return -1;
-  if (value >= base)
-    return -1;
-  return value;
-}
-
-/* A fairly simple strtoll replacement for MS VC versions that don't
-   supply _strtoi64.  */
-
-__int64
-str_to_int64 (const char *nptr, char **endptr, int base)
-{
-#define INT64_OVERFLOW 9223372036854775807I64
-#define INT64_UNDERFLOW (-INT64_OVERFLOW - 1)
-
-  __int64 result = 0;
-  bool negative;
-
-  if (base != 0 && (base < 2 || base > 36))
-    {
-      errno = EINVAL;
-      return 0;
-    }
-
-  while (*nptr == ' ' || *nptr == '\t')
-    ++nptr;
-  if (*nptr == '-')
-    {
-      negative = true;
-      ++nptr;
-    }
-  else if (*nptr == '+')
-    {
-      negative = false;
-      ++nptr;
-    }
-  else
-    negative = false;
-
-  /* If base is 0, determine the real base based on the beginning on
-     the number; octal numbers begin with "0", hexadecimal with "0x",
-     and the others are considered octal.  */
-  if (*nptr == '0')
-    {
-      if ((base == 0 || base == 16)
-         &&
-         (*(nptr + 1) == 'x' || *(nptr + 1) == 'X'))
-       {
-         base = 16;
-         nptr += 2;
-       }
-      else if (base == 0)
-       base = 8;
-    }
-  else if (base == 0)
-    base = 10;
-
-  if (!negative)
-    {
-      /* Parse positive number, checking for overflow. */
-      int val;
-      for (; (val = char_value (*nptr, base)) != -1; ++nptr)
-       {
-         __int64 newresult = base * result + val;
-         if (newresult < result)
-           {
-             result = INT64_OVERFLOW;
-             errno = ERANGE;
-             break;
-           }
-         result = newresult;
-       }
-    }
-  else
-    {
-      /* Parse negative number, checking for underflow. */
-      int val;
-      for (; (val = char_value (*nptr, base)) != -1; ++nptr)
-       {
-         __int64 newresult = base * result - val;
-         if (newresult > result)
-           {
-             result = INT64_UNDERFLOW;
-             errno = ERANGE;
-             break;
-           }
-         result = newresult;
-       }
-    }
-  if (endptr)
-    *endptr = (char *) nptr;
-  return result;
-}
-
-#else  /* !defined(__BORLANDC__) && (!defined(_MSC_VER) || _MSC_VER >= 1300) */
-
-__int64
-str_to_int64 (const char *nptr, char **endptr, int base)
-{
-#ifdef _MSC_VER
-  return _strtoi64 (nptr, endptr, base);
-#else
-  return strtoll (nptr, endptr, base);
-#endif
-}
-
-#endif /* !defined(__BORLANDC__) && (!defined(_MSC_VER) || _MSC_VER >= 1300) */
-

 void
 void

-windows_main (int *argc, char **argv, char **exec_name)
+windows_main (char **exec_name)

 {
   char *p;
 
 {
   char *p;
 


@@ -221,9 +88,11 @@ windows_main (int *argc, char **argv, char **exec_name)
 static void
 ws_cleanup (void)
 {
 static void
 ws_cleanup (void)
 {

+  xfree ((char*)exec_name);

   WSACleanup ();
 }
 
   WSACleanup ();
 }
 

+#if defined(CTRLBREAK_BACKGND) || defined(CTRLC_BACKGND)

 static void
 ws_hangup (const char *reason)
 {
 static void
 ws_hangup (const char *reason)
 {


@@ -237,6 +106,7 @@ ws_hangup (const char *reason)
      gesture as the parent will wait for us to terminate before resuming.  */
   FreeConsole ();
 }
      gesture as the parent will wait for us to terminate before resuming.  */
   FreeConsole ();
 }

+#endif

 
 /* Construct the name for a named section (a.k.a. `file mapping') object.
    The returned string is dynamically allocated and needs to be xfree()'d.  */
 
 /* Construct the name for a named section (a.k.a. `file mapping') object.
    The returned string is dynamically allocated and needs to be xfree()'d.  */


@@ -287,17 +157,17 @@ fake_fork_child (void)
   event = info->event;
 
   info->logfile_changed = false;
   event = info->event;
 
   info->logfile_changed = false;

-  if (!opt.lfilename)
+  if (!opt.lfilename && (!opt.quiet || opt.server_response))

     {
       /* See utils:fork_to_background for explanation. */
       FILE *new_log_fp = unique_create (DEFAULT_LOGFILE, false, &opt.lfilename);
       if (new_log_fp)
     {
       /* See utils:fork_to_background for explanation. */
       FILE *new_log_fp = unique_create (DEFAULT_LOGFILE, false, &opt.lfilename);
       if (new_log_fp)

-       {
-         info->logfile_changed = true;
-         strncpy (info->lfilename, opt.lfilename, sizeof (info->lfilename));
-         info->lfilename[sizeof (info->lfilename) - 1] = '\0';
-         fclose (new_log_fp);
-       }
+        {
+          info->logfile_changed = true;
+          strncpy (info->lfilename, opt.lfilename, sizeof (info->lfilename));
+          info->lfilename[sizeof (info->lfilename) - 1] = '\0';
+          fclose (new_log_fp);
+        }

     }
 
   UnmapViewOfFile (info);
     }
 
   UnmapViewOfFile (info);


@@ -421,7 +291,7 @@ fake_fork (void)
 
   printf (_("Continuing in background, pid %lu.\n"), pi.dwProcessId);
   if (info->logfile_changed)
 
   printf (_("Continuing in background, pid %lu.\n"), pi.dwProcessId);
   if (info->logfile_changed)

-    printf (_("Output will be written to `%s'.\n"), info->lfilename);
+    printf (_("Output will be written to %s.\n"), quote (info->lfilename));

 
   UnmapViewOfFile (info);
 
 
   UnmapViewOfFile (info);
 


@@ -453,7 +323,7 @@ fork_to_background (void)
   rv = fake_fork_child ();
   if (rv < 0)
     {
   rv = fake_fork_child ();
   if (rv < 0)
     {

-      fprintf (stderr, "fake_fork_child() failed\n");
+      fprintf (stderr, _("fake_fork_child() failed\n"));

       abort ();
     }
   else if (rv == 0)
       abort ();
     }
   else if (rv == 0)


@@ -461,7 +331,7 @@ fork_to_background (void)
       /* We're the parent.  */
       fake_fork ();
       /* If fake_fork() returns, it failed.  */
       /* We're the parent.  */
       fake_fork ();
       /* If fake_fork() returns, it failed.  */

-      fprintf (stderr, "fake_fork() failed\n");
+      fprintf (stderr, _("fake_fork() failed\n"));

       abort ();
     }
   /* If we get here, we're the child.  */
       abort ();
     }
   /* If we get here, we're the child.  */


@@ -590,14 +460,14 @@ ws_startup (void)
   if (err != 0)
     {
       fprintf (stderr, _("%s: Couldn't find usable socket driver.\n"),
   if (err != 0)
     {
       fprintf (stderr, _("%s: Couldn't find usable socket driver.\n"),

-              exec_name);
+               exec_name);

       exit (1);
     }
 
   if (data.wVersion < requested)
     {
       fprintf (stderr, _("%s: Couldn't find usable socket driver.\n"),
       exit (1);
     }
 
   if (data.wVersion < requested)
     {
       fprintf (stderr, _("%s: Couldn't find usable socket driver.\n"),

-              exec_name);
+               exec_name);

       WSACleanup ();
       exit (1);
     }
       WSACleanup ();
       exit (1);
     }


@@ -606,34 +476,6 @@ ws_startup (void)
   set_sleep_mode ();
   SetConsoleCtrlHandler (ws_handler, TRUE);
 }
   set_sleep_mode ();
   SetConsoleCtrlHandler (ws_handler, TRUE);
 }

-
-/* Replacement utime function for buggy Borland C++Builder 5.5 compiler.
-   (The Borland utime function only works on Windows NT.)  */
-
-#ifdef HACK_BCC_UTIME_BUG
-int
-borland_utime (const char *path, const struct utimbuf *times)
-{
-  int fd;
-  int res;
-  struct ftime ft;
-  struct tm *ptr_tm;
-
-  if ((fd = open (path, O_RDWR)) < 0)
-    return -1;
-
-  ptr_tm = localtime (&times->modtime);
-  ft.ft_tsec = ptr_tm->tm_sec >> 1;
-  ft.ft_min = ptr_tm->tm_min;
-  ft.ft_hour = ptr_tm->tm_hour;
-  ft.ft_day = ptr_tm->tm_mday;
-  ft.ft_month = ptr_tm->tm_mon + 1;
-  ft.ft_year = ptr_tm->tm_year - 80;
-  res = setftime (fd, &ft);
-  close (fd);
-  return res;
-}
-#endif

 \f
 /* run_with_timeout Windows implementation.  */
 
 \f
 /* run_with_timeout Windows implementation.  */
 


@@ -685,7 +527,7 @@ thread_helper (void *arg)
 bool
 run_with_timeout (double seconds, void (*fun) (void *), void *arg)
 {
 bool
 run_with_timeout (double seconds, void (*fun) (void *), void *arg)
 {

-  static HANDLE thread_hnd = NULL;
+  HANDLE thread_hnd;

   struct thread_data thread_arg;
   DWORD thread_id;
   bool rc;
   struct thread_data thread_arg;
   DWORD thread_id;
   bool rc;


@@ -699,17 +541,15 @@ run_with_timeout (double seconds, void (*fun) (void *), void *arg)
       return false;
     }
 
       return false;
     }
 

-  /* Should never happen, but test for recursivety anyway.  */
-  assert (thread_hnd == NULL);
-

   thread_arg.fun = fun;
   thread_arg.arg = arg;
   thread_arg.ws_error = WSAGetLastError ();
   thread_hnd = CreateThread (NULL, THREAD_STACK_SIZE, thread_helper,
   thread_arg.fun = fun;
   thread_arg.arg = arg;
   thread_arg.ws_error = WSAGetLastError ();
   thread_hnd = CreateThread (NULL, THREAD_STACK_SIZE, thread_helper,

-                            &thread_arg, 0, &thread_id);
+                             &thread_arg, 0, &thread_id);

   if (!thread_hnd)
     {
   if (!thread_hnd)
     {

-      DEBUGP (("CreateThread() failed; [0x%x]\n", GetLastError ()));
+      DEBUGP (("CreateThread() failed; [%#lx]\n",
+               (unsigned long) GetLastError ()));

       goto blocking_fallback;
     }
 
       goto blocking_fallback;
     }
 


@@ -717,7 +557,7 @@ run_with_timeout (double seconds, void (*fun) (void *), void *arg)
       == WAIT_OBJECT_0)
     {
       /* Propagate error state (which is per-thread) to this thread,
       == WAIT_OBJECT_0)
     {
       /* Propagate error state (which is per-thread) to this thread,

-        so the caller can inspect it.  */
+         so the caller can inspect it.  */

       WSASetLastError (thread_arg.ws_error);
       DEBUGP (("Winsock error: %d\n", WSAGetLastError ()));
       rc = false;
       WSASetLastError (thread_arg.ws_error);
       DEBUGP (("Winsock error: %d\n", WSAGetLastError ()));
       rc = false;


@@ -728,145 +568,46 @@ run_with_timeout (double seconds, void (*fun) (void *), void *arg)
       rc = true;
     }
 
       rc = true;
     }
 

-  CloseHandle (thread_hnd);    /* Clear-up after TerminateThread().  */
+  CloseHandle (thread_hnd);     /* Clear-up after TerminateThread().  */

   thread_hnd = NULL;
   return rc;
 }
   thread_hnd = NULL;
   return rc;
 }

-\f
-/* Wget expects network calls such as connect, recv, send, etc., to set
-   errno on failure.  To achieve that, Winsock calls are wrapped with code
-   that, in case of error, sets errno to the value of WSAGetLastError().
-   In addition, we provide a wrapper around strerror, which recognizes
-   Winsock errors and prints the appropriate error message. */
-
-/* Define a macro that creates a function definition that wraps FUN into
-   a function that sets errno the way the rest of the code expects. */
-
-#define WRAP(fun, decl, call) int wrapped_##fun decl { \
-  int retval = fun call;                               \
-  if (retval < 0)                                      \
-    errno = WSAGetLastError ();                                \
-  return retval;                                       \
-}
-
-WRAP (socket, (int domain, int type, int protocol), (domain, type, protocol))
-WRAP (bind, (int s, struct sockaddr *a, int alen), (s, a, alen))
-WRAP (connect, (int s, const struct sockaddr *a, int alen), (s, a, alen))
-WRAP (listen, (int s, int backlog), (s, backlog))
-WRAP (accept, (int s, struct sockaddr *a, int *alen), (s, a, alen))
-WRAP (recv, (int s, void *buf, int len, int flags), (s, buf, len, flags))
-WRAP (send, (int s, const void *buf, int len, int flags), (s, buf, len, flags))
-WRAP (select, (int n, fd_set *r, fd_set *w, fd_set *e, const struct timeval *tm),
-              (n, r, w, e, tm))
-WRAP (getsockname, (int s, struct sockaddr *n, int *nlen), (s, n, nlen))
-WRAP (getpeername, (int s, struct sockaddr *n, int *nlen), (s, n, nlen))
-WRAP (setsockopt, (int s, int level, int opt, const void *val, int len),
-                  (s, level, opt, val, len))
-WRAP (closesocket, (int s), (s))
-
-/* Return the text of the error message for Winsock error WSERR. */
-
-static const char *
-get_winsock_error (int wserr)
-{
-  switch (wserr) {
-  case WSAEINTR:           return "Interrupted system call";
-  case WSAEBADF:           return "Bad file number";
-  case WSAEACCES:          return "Permission denied";
-  case WSAEFAULT:          return "Bad address";
-  case WSAEINVAL:          return "Invalid argument";
-  case WSAEMFILE:          return "Too many open files";
-  case WSAEWOULDBLOCK:     return "Resource temporarily unavailable";
-  case WSAEINPROGRESS:     return "Operation now in progress";
-  case WSAEALREADY:        return "Operation already in progress";
-  case WSAENOTSOCK:        return "Socket operation on nonsocket";
-  case WSAEDESTADDRREQ:    return "Destination address required";
-  case WSAEMSGSIZE:        return "Message too long";
-  case WSAEPROTOTYPE:      return "Protocol wrong type for socket";
-  case WSAENOPROTOOPT:     return "Bad protocol option";
-  case WSAEPROTONOSUPPORT: return "Protocol not supported";
-  case WSAESOCKTNOSUPPORT: return "Socket type not supported";
-  case WSAEOPNOTSUPP:      return "Operation not supported";
-  case WSAEPFNOSUPPORT:    return "Protocol family not supported";
-  case WSAEAFNOSUPPORT:    return "Address family not supported by protocol family";
-  case WSAEADDRINUSE:      return "Address already in use";
-  case WSAEADDRNOTAVAIL:   return "Cannot assign requested address";
-  case WSAENETDOWN:        return "Network is down";
-  case WSAENETUNREACH:     return "Network is unreachable";
-  case WSAENETRESET:       return "Network dropped connection on reset";
-  case WSAECONNABORTED:    return "Software caused connection abort";
-  case WSAECONNRESET:      return "Connection reset by peer";
-  case WSAENOBUFS:         return "No buffer space available";
-  case WSAEISCONN:         return "Socket is already connected";
-  case WSAENOTCONN:        return "Socket is not connected";
-  case WSAESHUTDOWN:       return "Cannot send after socket shutdown";
-  case WSAETOOMANYREFS:    return "Too many references";
-  case WSAETIMEDOUT:       return "Connection timed out";
-  case WSAECONNREFUSED:    return "Connection refused";
-  case WSAELOOP:           return "Too many levels of symbolic links";
-  case WSAENAMETOOLONG:    return "File name too long";
-  case WSAEHOSTDOWN:       return "Host is down";
-  case WSAEHOSTUNREACH:    return "No route to host";
-  case WSAENOTEMPTY:       return "Not empty";
-  case WSAEPROCLIM:        return "Too many processes";
-  case WSAEUSERS:          return "Too many users";
-  case WSAEDQUOT:          return "Bad quota";
-  case WSAESTALE:          return "Something is stale";
-  case WSAEREMOTE:         return "Remote error";
-  case WSAEDISCON:         return "Disconnected";
-
-  /* Extended Winsock errors */
-  case WSASYSNOTREADY:     return "Winsock library is not ready";
-  case WSANOTINITIALISED:  return "Winsock library not initalised";
-  case WSAVERNOTSUPPORTED: return "Winsock version not supported";
-
-  case WSAHOST_NOT_FOUND: return "Host not found";
-  case WSATRY_AGAIN:      return "Host not found, try again";
-  case WSANO_RECOVERY:    return "Unrecoverable error in call to nameserver";
-  case WSANO_DATA:        return "No data record of requested type";
-
-  default:
-    return NULL;
-  }
-}

 
 

-/* Return the error message corresponding to ERR.  This is different
-   from Windows libc strerror() in that it handles Winsock errors
-   correctly.  */

 
 

-const char *
-windows_strerror (int err)
-{
-  const char *p;
-  if (err >= 0 && err < sys_nerr)
-    return strerror (err);
-  else if ((p = get_winsock_error (err)) != NULL)
-    return p;
-  else
-    {
-      static char buf[32];
-      snprintf (buf, sizeof (buf), "Unknown error %d (%#x)", err, err);
-      return buf;
-    }
-}
-\f

 #ifdef ENABLE_IPV6
 #ifdef ENABLE_IPV6

-/* An IPv6-only inet_ntop that prints with WSAAddressToString.  (Wget
-   uses inet_ntoa for IPv4 addresses -- see print_address.)  Prototype
-   complies with POSIX 1003.1-2004.  */
+/* An inet_ntop implementation that uses WSAAddressToString.
+   Prototype complies with POSIX 1003.1-2004.  This is only used under
+   IPv6 because Wget prints IPv4 addresses using inet_ntoa.  */

 
 const char *
 inet_ntop (int af, const void *src, char *dst, socklen_t cnt)
 {
 
 const char *
 inet_ntop (int af, const void *src, char *dst, socklen_t cnt)
 {

-  struct sockaddr_in6 sin6;
+  /* struct sockaddr can't accomodate struct sockaddr_in6. */
+  union {
+    struct sockaddr_in6 sin6;
+    struct sockaddr_in sin;
+  } sa;

   DWORD dstlen = cnt;
   DWORD dstlen = cnt;

+  size_t srcsize;

 
 

-  assert (af == AF_INET6);
-  xzero (sin6);
-  sin6.sin6_family = AF_INET6;
-  sin6.sin6_addr = *(struct in6_addr *) src;
-  if (WSAAddressToString ((struct sockaddr *) &sin6, sizeof (sin6),
-                          NULL, dst, &dstlen) != 0)
+  xzero (sa);
+  switch (af)
+    {
+    case AF_INET:
+      sa.sin.sin_family = AF_INET;
+      sa.sin.sin_addr = *(struct in_addr *) src;
+      srcsize = sizeof (sa.sin);
+      break;
+    case AF_INET6:
+      sa.sin6.sin6_family = AF_INET6;
+      sa.sin6.sin6_addr = *(struct in6_addr *) src;
+      srcsize = sizeof (sa.sin6);
+      break;
+    default:
+      abort ();
+    }
+
+  if (WSAAddressToString ((struct sockaddr *) &sa, srcsize, NULL, dst, &dstlen) != 0)

     {
       errno = WSAGetLastError();
       return NULL;
     {
       errno = WSAGetLastError();
       return NULL;


@@ -874,3 +615,40 @@ inet_ntop (int af, const void *src, char *dst, socklen_t cnt)
   return (const char *) dst;
 }
 #endif
   return (const char *) dst;
 }
 #endif

+
+
+void
+set_windows_fd_as_blocking_socket (int fd)
+{
+    /* 04/2011
+     gnulib select() converts blocking sockets to nonblocking in windows
+     discussed here:
+     http://old.nabble.com/blocking-socket-is-nonblocking-after-calling-gnulib-
+     select%28%29-in-windows-td31432857.html
+
+     wget uses blocking sockets so we must convert them back to blocking.
+    */
+    int ret = 0;
+    int wsagle = 0;
+    const int zero = 0;
+
+    do
+    {
+        if(wsagle == WSAEINPROGRESS)
+          Sleep(1);  /* use windows sleep */
+
+        WSASetLastError (0);
+        ret = ioctl (fd, FIONBIO, &zero);
+        wsagle = WSAGetLastError ();
+    }
+  while (ret && (wsagle == WSAEINPROGRESS));
+
+  if(ret)
+    {
+      fprintf (stderr,
+               _("ioctl() failed.  The socket could not be set as blocking.\n") );
+      DEBUGP (("Winsock error: %d\n", WSAGetLastError ()));
+      abort ();
+    }
+  return;
+}