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87 lines
1.9 KiB
C
87 lines
1.9 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 JNLIB.
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*
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* JNLIB is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 3 of
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* the License, or (at your option) any later version.
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*
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* JNLIB 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LIBJNLIB_DYNLOAD_H
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#define LIBJNLIB_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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_jnlib_free (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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_jnlib_free (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 /*LIBJNLIB_DYNLOAD_H*/
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