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/****************************************************************************
* NCSA HDF *
* Software Development Group *
* National Center for Supercomputing Applications *
* University of Illinois at Urbana-Champaign *
* 605 E. Springfield, Champaign IL 61820 *
* *
* For conditions of distribution and use, see the accompanying *
* hdf/COPYING file. *
* *
****************************************************************************/
/*
* This file contains public declarations for the HDF5 module.
*/
#ifndef _H5public_H
#define _H5public_H
#include <H5config.h> /*from configure */
#include <sys/types.h>
#include <stddef.h>
#ifdef HAVE_PARALLEL
# include <mpi.h>
# include <mpio.h>
#endif
/* Version numbers */
#define H5_VERS_MAJOR 1 /* For major interface/format changes */
#define H5_VERS_MINOR 1 /* For minor interface/format changes */
#define H5_VERS_RELEASE 2 /* For tweaks, bug-fixes, or development */
#define H5check() H5check_version(H5_VERS_MAJOR,H5_VERS_MINOR, \
H5_VERS_RELEASE)
/*
* Status return values. Failed integer functions in HDF5 result almost
* always in a negative value (unsigned failing functions sometimes return
* zero for failure) while successfull return is non-negative (often zero).
* The negative failure value is most commonly -1, but don't bet on it. The
* proper way to detect failure is something like:
*
* if ((dset = H5Dopen (file, name))<0) {
* fprintf (stderr, "unable to open the requested dataset\n");
* }
*/
typedef int herr_t;
/*
* Boolean type. Successful return values are zero (false) or positive
* (true). The typical true value is 1 but don't bet on it. Boolean
* functions cannot fail. Functions that return `htri_t' however return zero
* (false), positive (true), or negative (failure). The proper way to test
* for truth from a htri_t function is:
*
* if ((retval = H5Tcommitted(type))>0) {
* printf("data type is committed\n");
* } else if (!retval) {
* printf("data type is not committed\n");
* } else {
* printf("error determining whether data type is committed\n");
* }
*/
typedef unsigned int hbool_t;
typedef int htri_t;
/*
* The sizes of file-objects in hdf5 have their own types defined here. On
* most systems, these are the same as size_t and ssize_t, but on systems
* with small address spaces these are defined to be larger.
*/
#if defined(HAVE_LARGE_HSIZET) && SIZEOF_SIZE_T<SIZEOF_LONG_LONG
#if defined(WIN32)
typedef unsigned __int64 hsize_t;
typedef signed __int64 hssize_t;
typedef signed int ssize_t;
#else
typedef unsigned long long hsize_t;
typedef signed long long hssize_t;
#endif
#else
typedef size_t hsize_t;
typedef ssize_t hssize_t;
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* Functions in H5.c */
herr_t H5open (void);
herr_t H5close (void);
herr_t H5dont_atexit (void);
herr_t H5get_libversion (unsigned *majnum, unsigned *minnum, unsigned *relnum);
herr_t H5check_version (unsigned majnum, unsigned minnum, unsigned relnum);
#ifdef __cplusplus
}
#endif
#endif
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