common/dynload.h

   1 /* dlfcn.h - W32 functions for run-time dynamic loading
   2  *      Copyright (C) 2003 Free Software Foundation, Inc.
   3  *
   4  * This file is part of GnuPG.
   5  *
   6  * GnuPG is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * GnuPG is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  19  */
  20
  21 #ifndef GNUPG_DYNLOAD_H
  22 #define GNUPG_DYNLOAD_H
  23 #ifndef __MINGW32__
  24 #include <dlfcn.h>
  25 #else
  26 #include <windows.h>
  27
  28 #define RTLD_LAZY 0
  29
  30 static inline void *
  31 dlopen (const char * name, int flag)
  32 {
  33   void * hd = LoadLibrary (name);
  34   return hd;
  35 }
  36
  37 static inline void *
  38 dlsym (void *hd, const char *sym)
  39 {
  40   if (hd && sym)
  41     {
  42       void * fnc = GetProcAddress (hd, sym);
  43       if (!fnc)
  44         return NULL;
  45       return fnc;
  46     }
  47   return NULL;
  48 }
  49
  50
  51 static inline const char *
  52 dlerror (void)
  53 {
  54   static char buf[32];
  55   sprintf (buf, "ec=%lu", GetLastError ());
  56   return buf;
  57 }
  58
  59
  60 static inline int
  61 dlclose (void * hd)
  62 {
  63   if (hd)
  64     {
  65       CloseHandle (hd);
  66       return 0;
  67     }
  68   return -1;
  69 }
  70 #endif /*__MINGW32__*/
  71 #endif /*GNUPG_DYNLOAD_H*/