/*
  Copyright 2020 David Robillard <http://drobilla.net>

  Permission to use, copy, modify, and/or distribute this software for any
  purpose with or without fee is hereby granted, provided that the above
  copyright notice and this permission notice appear in all copies.

  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

#ifndef SUIL_DYLIB_H
#define SUIL_DYLIB_H

#ifdef _WIN32

#  include <windows.h>

enum DylibFlags {
  DYLIB_GLOBAL = 0,
  DYLIB_LAZY   = 1,
  DYLIB_NOW    = 2,
};

static inline void*
dylib_open(const char* const filename, const int flags)
{
  return LoadLibrary(filename);
}

static inline int
dylib_close(void* const handle)
{
  return !FreeLibrary((HMODULE)handle);
}

static inline const char*
dylib_error(void)
{
  return "Unknown error";
}

#else

#  include <dlfcn.h>

enum DylibFlags {
  DYLIB_GLOBAL = RTLD_GLOBAL,
  DYLIB_LAZY   = RTLD_LAZY,
  DYLIB_NOW    = RTLD_NOW,
};

static inline void*
dylib_open(const char* const filename, const int flags)
{
  return dlopen(filename, flags);
}

static inline int
dylib_close(void* const handle)
{
  return dlclose(handle);
}

static inline const char*
dylib_error(void)
{
  return dlerror();
}

#endif

#endif // SUIL_DYLIB_H