mirror of
https://github.com/reactos/reactos.git
synced 2024-08-28 22:28:36 +00:00
114 lines
2.8 KiB
C
114 lines
2.8 KiB
C
/*
|
|
* Mesa 3-D graphics library
|
|
*
|
|
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included
|
|
* in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
|
|
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
/**
|
|
* Wrapper functions for dlopen(), dlsym(), dlclose().
|
|
* Note that the #ifdef tests for various environments should be expanded.
|
|
*/
|
|
|
|
#include <precomp.h>
|
|
|
|
#include "dlopen.h"
|
|
|
|
#if defined(_GNU_SOURCE) && !defined(__MINGW32__) && !defined(__blrts)
|
|
#include <dlfcn.h>
|
|
#endif
|
|
#if defined(_WIN32)
|
|
//#include <windows.h>
|
|
#include <windef.h>
|
|
#include <winbase.h>
|
|
#endif
|
|
|
|
|
|
/**
|
|
* Wrapper for dlopen().
|
|
* Note that 'flags' isn't used at this time.
|
|
*/
|
|
void *
|
|
_mesa_dlopen(const char *libname, int flags)
|
|
{
|
|
#if defined(__blrts)
|
|
return NULL;
|
|
#elif defined(_GNU_SOURCE)
|
|
flags = RTLD_LAZY | RTLD_GLOBAL; /* Overriding flags at this time */
|
|
return dlopen(libname, flags);
|
|
#elif defined(__MINGW32__)
|
|
return LoadLibraryA(libname);
|
|
#else
|
|
return NULL;
|
|
#endif
|
|
}
|
|
|
|
|
|
/**
|
|
* Wrapper for dlsym() that does a cast to a generic function type,
|
|
* rather than a void *. This reduces the number of warnings that are
|
|
* generated.
|
|
*/
|
|
GenericFunc
|
|
_mesa_dlsym(void *handle, const char *fname)
|
|
{
|
|
union {
|
|
void *v;
|
|
GenericFunc f;
|
|
} u;
|
|
#if defined(__blrts)
|
|
u.v = NULL;
|
|
#elif defined(__DJGPP__)
|
|
/* need '_' prefix on symbol names */
|
|
char fname2[1000];
|
|
fname2[0] = '_';
|
|
strncpy(fname2 + 1, fname, 998);
|
|
fname2[999] = 0;
|
|
u.v = dlsym(handle, fname2);
|
|
#elif defined(_GNU_SOURCE)
|
|
u.v = dlsym(handle, fname);
|
|
#elif defined(__MINGW32__)
|
|
u.v = (void *) GetProcAddress(handle, fname);
|
|
#else
|
|
u.v = NULL;
|
|
#endif
|
|
return u.f;
|
|
}
|
|
|
|
|
|
/**
|
|
* Wrapper for dlclose().
|
|
*/
|
|
void
|
|
_mesa_dlclose(void *handle)
|
|
{
|
|
#if defined(__blrts)
|
|
(void) handle;
|
|
#elif defined(_GNU_SOURCE)
|
|
dlclose(handle);
|
|
#elif defined(__MINGW32__)
|
|
FreeLibrary(handle);
|
|
#else
|
|
(void) handle;
|
|
#endif
|
|
}
|
|
|
|
|
|
|