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98 lines
2.2 KiB
C
98 lines
2.2 KiB
C
/* dynload.h - Wrapper functions for run-time dynamic loading
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* Copyright (C) 2003, 2010 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute and/or modify this
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* part of GnuPG under the terms of either
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*
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* - the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* or
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*
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* - the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* or both in parallel, as here.
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*
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* GnuPG is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copies of the GNU General Public License
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* and the GNU Lesser General Public License along with this program;
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* if not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef GNUPG_COMMON_DYNLOAD_H
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#define GNUPG_COMMON_DYNLOAD_H
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#ifndef __MINGW32__
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# include <dlfcn.h>
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#else
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# include <windows.h>
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# include "utf8conv.h"
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# include "mischelp.h"
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# define RTLD_LAZY 0
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static inline void *
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dlopen (const char *name, int flag)
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{
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void *hd;
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#ifdef HAVE_W32CE_SYSTEM
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wchar_t *wname = utf8_to_wchar (name);
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hd = wname? LoadLibrary (wname) : NULL;
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xfree (wname);
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#else
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hd = LoadLibrary (name);
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#endif
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(void)flag;
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return hd;
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}
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static inline void *
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dlsym (void *hd, const char *sym)
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{
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if (hd && sym)
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{
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#ifdef HAVE_W32CE_SYSTEM
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wchar_t *wsym = utf8_to_wchar (sym);
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void *fnc = wsym? GetProcAddress (hd, wsym) : NULL;
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xfree (wsym);
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#else
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void *fnc = GetProcAddress (hd, sym);
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#endif
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if (!fnc)
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return NULL;
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return fnc;
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}
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return NULL;
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}
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static inline const char *
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dlerror (void)
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{
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static char buf[32];
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snprintf (buf, sizeof buf, "ec=%lu", GetLastError ());
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return buf;
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}
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static inline int
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dlclose (void * hd)
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{
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if (hd)
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{
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CloseHandle (hd);
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return 0;
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}
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return -1;
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}
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# endif /*__MINGW32__*/
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#endif /*GNUPG_COMMON_DYNLOAD_H*/
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