2003-08-14 Timo Schulz <twoaday@freakmail.de>

* dlfcn.h. New. W32 wrapper around the dynload mechanism.

common/ChangeLog

@@ -1,3 +1,7 @@
+2003-08-14  Timo Schulz  <twoaday@freakmail.de>
+
+	* dlfcn.h. New. W32 wrapper around the dynload mechanism.
+	
 2003-07-15  Werner Koch  <wk@gnupg.org>
 
 	* simple-pwquery.c, simple-pwquery.h:  New; moved from ../agent.  

common/dlfcn.h

@@ -0,0 +1,71 @@
+/* dlfcn.h - W32 functions for run-time dynamic loading
+ *      Copyright (C) 2003 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#ifndef __MINGW32__
+#include <dlfcn.h> /* include the actual header file */
+#else
+#ifndef W32_DLFCN_H
+#define W32_DLFCN_H
+
+#include <windows.h>
+
+static __inline__ void *
+dlopen (const char * name, int flag)
+{
+  void * hd = LoadLibrary (name);
+  return hd;
+}
+
+static __inline__ void *
+dlsym (void *hd, const char *sym)
+{
+  if (hd && sym)
+    {
+      void * fnc = GetProcAddress (hd, sym);
+      if (!fnc)
+        return NULL;
+      return fnc;
+    }
+  return NULL;
+}
+
+
+static __inline__ const char *
+dlerror (void)
+{
+  static char buf[32];
+  sprintf (buf, "ec=%lu", GetLastError ());
+  return buf;
+}
+
+
+static __inline__ int
+dlclose (void * hd)
+{
+  if (hd)
+    {
+      CloseHandle (hd);
+      return 0;
+    }
+  return -1;
+}  
+
+#endif /*W32_DLFCN_H*/
+#endif