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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 files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#ifndef H5PL_PACKAGE
#error "Do not include this file outside the H5PL package!"
#endif
#ifndef _H5PLpkg_H
#define _H5PLpkg_H
/* Include private header file */
#include "H5PLprivate.h"
#define MAX_PATH_NUM 16
/****************************/
/* Macros for supporting
* both Windows and Unix */
/****************************/
/* Handle for dynamic library */
#ifdef H5_HAVE_WIN32_API
/* 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) LoadLibraryEx(TEXT(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)
/* Declare error string */
#define H5PL_ERROR DWORD dw; char *error
/* Clear error - nothing to do */
#define H5PLG_CLR_ERROR
/* Print error message */
#define H5PL_CHECK_ERR(R) { \
if(R==NULL) { \
dw = GetLastError(); \
sprintf(error, "%ld", dw); \
} \
else error = NULL; \
}
#else
/* 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_NOW|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)
/* Declare error string */
#define H5PL_ERROR char *error
/* Clear error */
#define H5PL_CLR_ERR dlerror()
/* Print error message */
#define H5PL_CHECK_ERR(R) { \
if(R==NULL) { \
error = dlerror(); \
} \
else error = NULL; \
}
#endif
/****************************/
/* Local typedefs */
/****************************/
/* Type for the list of info for opened plugin libraries */
typedef struct H5PL_table_t {
H5PL_type_t pl_type; /* plugin type */
int pl_id; /* ID for the plugin */
H5PL_HANDLE handle; /* plugin handle */
} H5PL_table_t;
/****************************/
/* Local variables */
/****************************/
/* Table for opened plugin libraries */
static size_t H5PL_table_alloc_g = 0;
static size_t H5PL_table_used_g = 0;
static H5PL_table_t *H5PL_table_g = NULL;
/* Table of location paths for plugin libraries */
static char *path_table[MAX_PATH_NUM];
static size_t num_paths = 0;
static htri_t path_found = FALSE;
/******************************/
/* Package Private Prototypes */
/******************************/
/* Function prototypes for H5PL package scope */
H5_DLL htri_t H5PL_find(H5PL_type_t plugin_type, int type_id, char *dir, void **info);
H5_DLL htri_t H5PL_open(H5PL_type_t pl_type, char *libname, int plugin_id, void **pl_info);
H5_DLL htri_t H5PL_search_table(H5PL_type_t plugin_type, int type_id, void **info);
H5_DLL herr_t H5PL_close(H5PL_HANDLE handle);
#endif /* _H5PLpkg_H */
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