A whole bunch of changes to allow building for Windows.

See the ChangeLogs for details.

common/init.c

@@ -0,0 +1,73 @@
+/* init.c - Various initializations
+ *	Copyright (C) 2007 Free Software Foundation, Inc.
+ *
+ * This file is part of GnuPG.
+ *
+ * GnuPG 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
+ * (at your option) any later version.
+ *
+ * GnuPG is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * 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
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+ * USA.
+ */
+
+#include <config.h>
+
+#ifdef WITHOUT_GNU_PTH /* Give the Makefile a chance to build without Pth.  */
+#undef HAVE_PTH
+#undef USE_GNU_PTH
+#endif
+
+#ifdef HAVE_W32_SYSTEM
+#include <windows.h>
+#endif
+#ifdef HAVE_PTH      
+#include <pth.h>
+#endif
+
+#include "estream.h"
+#include "util.h"
+
+
+/* This function is to be used early at program startup to make sure
+   that some subsystems are initialized.  This is in particualr
+   important for W32 to initialize the sockets so that our socket
+   emulation code used directly as well as in libassuan may be used.
+   It should best be called before any I/O is done so that setup
+   required for logging is ready.  CAUTION: This might be called while
+   running suid(root). */
+void
+init_common_subsystems (void)
+{
+  /* Try to auto set the character set.  */
+  set_native_charset (NULL); 
+
+#ifdef HAVE_W32_SYSTEM
+  /* For W32 we need to initialize the socket layer.  This is becuase
+     we use recv and send in libassuan as well as at some other
+     places.  If we are building with PTH we let pth_init do it.  We
+     can't do much on error so we ignore them.  An error would anyway
+     later pop up if one of the socket functions is used. */
+# ifdef HAVE_PTH
+  pth_init ();
+# else
+ {
+   WSADATA wsadat;
+
+   WSAStartup (0x202, &wsadat);
+ }
+# endif /*!HAVE_PTH*/
+#endif
+
+  /* Initialize the Estream library. */
+  es_init ();
+}
+