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/**************************************************************************
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/**************************************************************************
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 *
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 *
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 * Copyright 2009 VMware, Inc.
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 * Copyright 2009 VMware, Inc.
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 * Copyright 1999-2008  Brian Paul
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 * Copyright 1999-2008  Brian Paul
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 * All Rights Reserved.
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 * All Rights Reserved.
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 *
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the
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 * copy of this software and associated documentation files (the
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 * "Software"), to deal in the Software without restriction, including
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 * "Software"), to deal in the Software without restriction, including
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 * without limitation the rights to use, copy, modify, merge, publish,
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 * without limitation the rights to use, copy, modify, merge, publish,
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 * distribute, sub license, and/or sell copies of the Software, and to
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 * distribute, sub license, and/or sell copies of the Software, and to
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 * permit persons to whom the Software is furnished to do so, subject to
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 * permit persons to whom the Software is furnished to do so, subject to
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 * the following conditions:
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 * the following conditions:
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 *
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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 * USE OR OTHER DEALINGS IN THE SOFTWARE.
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 * USE OR OTHER DEALINGS IN THE SOFTWARE.
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 *
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 *
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 * The above copyright notice and this permission notice (including the
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 * The above copyright notice and this permission notice (including the
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 * next paragraph) shall be included in all copies or substantial portions
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 * next paragraph) shall be included in all copies or substantial portions
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 * of the Software.
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 * of the Software.
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 *
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 *
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 **************************************************************************/
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 **************************************************************************/
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#include "pipe/p_config.h"
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#include "pipe/p_config.h"
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#include "pipe/p_compiler.h"
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#include "pipe/p_compiler.h"
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#if defined(PIPE_OS_UNIX)
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#include
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#endif
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#if defined(PIPE_OS_WINDOWS)
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#include
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#endif
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#include "u_dl.h"
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#include "u_dl.h"
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#include "u_pointer.h"
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#include "u_pointer.h"
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void* load_library(const char *name);
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void *get_proc_address(void *module, const char *proc_name);
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struct util_dl_library *
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struct util_dl_library *
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util_dl_open(const char *filename)
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util_dl_open(const char *filename)
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{
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{
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#if defined(PIPE_OS_UNIX)
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   return (struct util_dl_library *)dlopen(filename, RTLD_LAZY | RTLD_GLOBAL);
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#elif defined(PIPE_OS_WINDOWS)
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   return (struct util_dl_library *)LoadLibraryA(filename);
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   return (struct util_dl_library *)load_library(filename);
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#else
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   return NULL;
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#endif
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}
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}
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util_dl_proc
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util_dl_proc
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util_dl_get_proc_address(struct util_dl_library *library,
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util_dl_get_proc_address(struct util_dl_library *library,
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                         const char *procname)
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                         const char *procname)
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{
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{
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#if defined(PIPE_OS_UNIX)
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   return (util_dl_proc) pointer_to_func(dlsym((void *)library, procname));
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#elif defined(PIPE_OS_WINDOWS)
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   return (util_dl_proc)GetProcAddress((HMODULE)library, procname);
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   return (util_dl_proc)get_proc_address(library, procname);
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#else
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   return (util_dl_proc)NULL;
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#endif
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}
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}
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void
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void
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util_dl_close(struct util_dl_library *library)
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util_dl_close(struct util_dl_library *library)
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{
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{
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#if defined(PIPE_OS_UNIX)
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   dlclose((void *)library);
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#elif defined(PIPE_OS_WINDOWS)
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   FreeLibrary((HMODULE)library);
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#else
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   (void)library;
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   (void)library;
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#endif
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}
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}
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const char *
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const char *
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util_dl_error(void)
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util_dl_error(void)
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{
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{
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#if defined(PIPE_OS_UNIX)
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   return dlerror();
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#elif defined(PIPE_OS_WINDOWS)
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   return "unknown error";
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   return "unknown error";
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#else
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   return "unknown error";
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#endif
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}
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}