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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Purpose: This file contains declarations which are visible only within
* the H5PL package. Source files outside the H5PL package should
* include H5PLprivate.h instead.
*/
#if !(defined H5PL_FRIEND || defined H5PL_MODULE)
#error "Do not include this file outside the H5PL package!"
#endif
#ifndef H5PLpkg_H
#define H5PLpkg_H
/* Include private header file */
#include "H5PLprivate.h" /* Filter functions */
/* Other private headers needed by this file */
/**************************/
/* Package Private Macros */
/**************************/
/* Whether to pre-load pathnames for plugin libraries */
#define H5PL_DEFAULT_PATH H5_DEFAULT_PLUGINDIR
/****************************/
/* Macros for supporting */
/* both Windows and POSIX */
/****************************/
/*******************/
/* Windows support */
/*******************/
/*
* SPECIAL WINDOWS NOTE
*
* Some of the Win32 API functions expand to fooA or fooW depending on
* whether UNICODE or _UNICODE are defined. You MUST explicitly use
* the A version of the functions to force char * behavior until we
* work out a scheme for proper Windows Unicode support.
*
* If you do not do this, people will be unable to incorporate our
* source code into their own CMake builds if they define UNICODE.
*/
#ifdef H5_HAVE_WIN32_API
/* The path separator on this platform */
#define H5PL_PATH_SEPARATOR ";"
/* Handle for dynamic library */
#define H5PL_HANDLE HINSTANCE
/* Get a handle to a plugin library. Windows: TEXT macro handles Unicode strings */
#define H5PL_OPEN_DLIB(S) LoadLibraryExA(S, NULL, LOAD_WITH_ALTERED_SEARCH_PATH)
/* Get the address of a symbol in dynamic library */
#define H5PL_GET_LIB_FUNC(H, N) GetProcAddress(H, N)
/* Close dynamic library */
#define H5PL_CLOSE_LIB(H) FreeLibrary(H)
/* Clear error - nothing to do */
#define H5PL_CLR_ERROR
/* maximum size for expanding env vars */
#define H5PL_EXPAND_BUFFER_SIZE 32767
typedef H5PL_type_t(__cdecl *H5PL_get_plugin_type_t)(void);
typedef const void *(__cdecl *H5PL_get_plugin_info_t)(void);
#else /* H5_HAVE_WIN32_API */
/*****************/
/* POSIX support */
/*****************/
/* The path separator on this platform */
#define H5PL_PATH_SEPARATOR ":"
/* Handle for dynamic library */
#define H5PL_HANDLE void *
/* Get a handle to a plugin library. Windows: TEXT macro handles Unicode strings */
#define H5PL_OPEN_DLIB(S) dlopen(S, RTLD_LAZY)
/* Get the address of a symbol in dynamic library */
#define H5PL_GET_LIB_FUNC(H, N) dlsym(H, N)
/* Close dynamic library */
#define H5PL_CLOSE_LIB(H) dlclose(H)
/* Clear error */
#define H5PL_CLR_ERROR HERROR(H5E_PLUGIN, H5E_CANTGET, "can't dlopen:%s", dlerror())
typedef H5PL_type_t (*H5PL_get_plugin_type_t)(void);
typedef const void *(*H5PL_get_plugin_info_t)(void);
#endif /* H5_HAVE_WIN32_API */
/****************************/
/* Package Private Typedefs */
/****************************/
/* Data used to search for plugins */
typedef struct H5PL_search_params_t {
H5PL_type_t type;
const H5PL_key_t *key;
} H5PL_search_params_t;
/*****************************/
/* Package Private Variables */
/*****************************/
/******************************/
/* Package Private Prototypes */
/******************************/
/* Accessors to global variables and flags */
H5_DLL herr_t H5PL__get_plugin_control_mask(unsigned int *mask /*out*/);
H5_DLL herr_t H5PL__set_plugin_control_mask(unsigned int mask);
/* Plugin search and manipulation */
H5_DLL herr_t H5PL__open(const char *libname, H5PL_type_t type, const H5PL_key_t *key,
hbool_t *success /*out*/, const void **plugin_info /*out*/);
H5_DLL herr_t H5PL__close(H5PL_HANDLE handle);
/* Plugin cache calls */
H5_DLL herr_t H5PL__create_plugin_cache(void);
H5_DLL herr_t H5PL__close_plugin_cache(hbool_t *already_closed /*out*/);
H5_DLL herr_t H5PL__add_plugin(H5PL_type_t type, const H5PL_key_t *key, H5PL_HANDLE handle);
H5_DLL herr_t H5PL__find_plugin_in_cache(const H5PL_search_params_t *search_params, hbool_t *found /*out*/,
const void **plugin_info /*out*/);
/* Plugin search path calls */
H5_DLL herr_t H5PL__create_path_table(void);
H5_DLL herr_t H5PL__close_path_table(void);
H5_DLL unsigned H5PL__get_num_paths(void);
H5_DLL herr_t H5PL__append_path(const char *path);
H5_DLL herr_t H5PL__prepend_path(const char *path);
H5_DLL herr_t H5PL__replace_path(const char *path, unsigned int index);
H5_DLL herr_t H5PL__insert_path(const char *path, unsigned int index);
H5_DLL herr_t H5PL__remove_path(unsigned int index);
H5_DLL const char *H5PL__get_path(unsigned int index);
H5_DLL herr_t H5PL__find_plugin_in_path_table(const H5PL_search_params_t *search_params,
hbool_t *found /*out*/, const void **plugin_info /*out*/);
#endif /* H5PLpkg_H */
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