gnupg/jnlib/dynload.h

74 lines
1.6 KiB
C

/* dynload.h - Wrapper functions for run-time dynamic loading
* Copyright (C) 2003 Free Software Foundation, Inc.
*
* This file is part of JNLIB.
*
* JNLIB is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* JNLIB 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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.
*/
#ifndef LIBJNLIB_DYNLOAD_H
#define LIBJNLIB_DYNLOAD_H
#ifndef __MINGW32__
# include <dlfcn.h>
#else
# include <windows.h>
# define RTLD_LAZY 0
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 /*__MINGW32__*/
#endif /*LIBJNLIB_DYNLOAD_H*/