mirror of
https://github.com/cookiengineer/audacity
synced 2026-04-26 07:53:42 +02:00
Regenerate and reapply JACK patch
This commit is contained in:
Leland Lucius
108
lib-src/portaudio-v19/src/common/pa_dynload.c
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108
lib-src/portaudio-v19/src/common/pa_dynload.c
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/*
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* $Id: pa_dynlink.c 1339 2008-02-15 07:50:33Z rossb $
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* Portable Audio I/O Library
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* dynamic library helper
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*
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* Based on the Open Source API proposed by Ross Bencina
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* Copyright (c) 2008 Ross Bencina
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* The text above constitutes the entire PortAudio license; however,
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* the PortAudio community also makes the following non-binding requests:
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*
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* Any person wishing to distribute modifications to the Software is
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* requested to send the modifications to the original developer so that
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* they can be incorporated into the canonical version. It is also
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* requested that these non-binding requests be included along with the
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* license above.
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*/
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/** @file
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@ingroup common_src
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@brief dynamic library helper functions.
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*/
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#if defined(WIN32)
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#include <windows.h>
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#else
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#include <dlfcn.h>
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#endif
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#include "pa_debugprint.h"
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#include "pa_dynload.h"
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#if !defined(NULL)
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#define NULL 0
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#endif
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paDynamicLib PaDL_Load( char *name )
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{
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paDynamicLib lib;
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#if defined(WIN32)
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lib = LoadLibrary(name);
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#else
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lib = dlopen(name, RTLD_LAZY);
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#endif
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if (!lib) {
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#if defined(WIN32)
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PA_DEBUG(("Couldn't load %s, error code: %d\n", name, GetLastError()));
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#else
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PA_DEBUG(("Couldn't load %s, error: %s\n", name, dlerror()));
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#endif
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}
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return lib;
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}
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void PaDL_Unload( paDynamicLib lib )
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{
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#if defined(WIN32)
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FreeLibrary(lib);
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#else
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dlclose(lib);
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#endif
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}
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void *PaDL_FindSymbol( paDynamicLib lib, char *name )
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{
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void *addr;
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#if defined(WIN32)
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addr = (void *) GetProcAddress(lib, name);
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#else
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addr = dlsym(lib, name);
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#endif
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if (addr == NULL) {
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#if defined(WIN32)
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PA_DEBUG(("Couldn't find %s function, error code: %d\n", name, GetLastError()));
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#else
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PA_DEBUG(("Couldn't find %s function, error: %s\n", name, dlerror()));
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#endif
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}
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return addr;
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}
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136
lib-src/portaudio-v19/src/common/pa_dynload.h
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136
lib-src/portaudio-v19/src/common/pa_dynload.h
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#ifndef PA_DYNLINK_H
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#define PA_DYNLINK_H
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/*
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* $Id: pa_dynlink.h 1339 2008-02-15 07:50:33Z rossb $
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* Portable Audio I/O Library
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* Dynamic library helper
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*
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* Based on the Open Source API proposed by Ross Bencina
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* Copyright (c) 1999-2008 Ross Bencina, Phil Burk
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* The text above constitutes the entire PortAudio license; however,
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* the PortAudio community also makes the following non-binding requests:
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*
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* Any person wishing to distribute modifications to the Software is
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* requested to send the modifications to the original developer so that
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* they can be incorporated into the canonical version. It is also
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* requested that these non-binding requests be included along with the
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* license above.
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*/
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/** @file
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@ingroup common_src
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@brief Dynamic library helper functions.
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*/
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#include "pa_debugprint.h"
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#if defined(WIN32)
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#include <windows.h>
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#endif
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#ifdef __cplusplus
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extern "C"
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{
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#endif /* __cplusplus */
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#if defined(WIN32)
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typedef HANDLE paDynamicLib;
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#define PADL_INLINE __inline
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#else
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typedef void * paDynamicLib;
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#define PADL_INLINE inline
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#endif
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paDynamicLib PaDL_Load( char *name );
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void PaDL_Unload( paDynamicLib lib );
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void *PaDL_FindSymbol( paDynamicLib lib, char *name );
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/* A little explanation of what's going on here.
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*
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* Only one source file should define PADL_DEFINE_POINTERS before including the header which
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* defines the functions. This will cause the compiler to dump all of the function pointers
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* to a single object file and prevent duplicate symbol definitions during link.
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*
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* The PADL_FUNC_WITH_RETURN and PADL_FUNC_NO_RETURN macros do two things each:
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* 1) Define or reference the variable that contains the actual function pointer
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* 2) Define an inline function to pass control to the real function
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*
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* Since the macros redefine the real functions of the same name, the compiler will make
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* sure that the definitions are the same. If not, it will complain. For this to occur,
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* the functions MUST be defined in an extern "C" block otherwise the compiler just thinks the
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* functions are being overloaded.
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*
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* The compiler should optimize away the inline function since it just passes control to the real
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* function and we should wind up with about the same function call we had before, only now it is
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* safer due to the validation.
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*
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* The PADL_FUNC_WITH_RETURN takes 4 arguments:
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* 1) The return type <---|
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* 2) The function name | Taken from the real funciton prototype
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* 3) The function arguments <---|
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* 4) The argument list to pass to the real function
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*
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* The PADL_FUNC_NO_RETURN takes 3 arguments:
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* 1) The function name <---| Taken from the FFmpeg funciton prototype
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* 2) The function arguments <---|
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* 3) The argument list to pass to the real function
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*
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* The PADL_FINDSYMBOL macro is responsible for retrieving the address of the real function
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* and storing that address in the function pointer variable.
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*/
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#if defined(PADL_DEFINE_POINTERS)
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#define FFX
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#else
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#define FFX extern
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#endif
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#define PADL_FUNC_WITH_RETURN(r, n, a, p) \
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FFX r (*paDynFunc_ ## n ## _fp) a; \
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PADL_INLINE r n a \
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{ \
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return paDynFunc_ ## n ## _fp p; \
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} \
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#define PADL_FUNC_NO_RETURN(n, a, p) \
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FFX void (*paDynFunc_ ## n ## _fp) a; \
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PADL_INLINE void n a \
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{ \
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paDynFunc_ ## n ## _fp p; \
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} \
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#define PADL_FINDSYMBOL(l, f, e) \
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*(void**)& paDynFunc_ ## f ## _fp = PaDL_FindSymbol(l, #f); \
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if (!paDynFunc_ ## f ## _fp) \
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{ \
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PA_DEBUG(("Could not locate address of %s\n", #f)); \
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e; \
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}
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* PA_DYNLINK_H */
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