mirror of https://gitee.com/openkylin/hdf5.git
829 lines
26 KiB
C
829 lines
26 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* Copyright by the Board of Trustees of the University of Illinois. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the COPYING file, which can be found at the root of the source code *
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* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
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* If you do not have access to either file, you may request a copy from *
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* help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/*
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* Portions of this work are derived from _Obfuscated C and Other Mysteries_,
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* by Don Libes, copyright (c) 1993 by John Wiley & Sons, Inc.
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*/
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#include "h5tools.h"
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#include "h5tools_utils.h"
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#include "H5private.h"
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#include "h5trav.h"
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/* global variables */
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unsigned h5tools_nCols = 80;
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/* ``get_option'' variables */
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int opt_err = 1; /*get_option prints errors if this is on */
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int opt_ind = 1; /*token pointer */
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const char *opt_arg; /*flag argument (or value) */
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static int h5tools_d_status = 0;
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static const char *h5tools_progname = "h5tools";
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/*
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* The output functions need a temporary buffer to hold a piece of the
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* dataset while it's being printed. This constant sets the limit on the
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* size of that temporary buffer in bytes. For efficiency's sake, choose the
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* largest value suitable for your machine (for testing use a small value).
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*/
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/* Maximum size used in a call to malloc for a dataset */
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hsize_t H5TOOLS_MALLOCSIZE = (256 * 1024 * 1024); /* 256 MB */
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/* size of hyperslab buffer when a dataset is bigger than H5TOOLS_MALLOCSIZE */
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hsize_t H5TOOLS_BUFSIZE = ( 32 * 1024 * 1024); /* 32 MB */
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/* ``parallel_print'' variables */
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unsigned char g_Parallel = 0; /*0 for serial, 1 for parallel */
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char outBuff[OUTBUFF_SIZE];
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unsigned outBuffOffset;
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FILE* overflow_file = NULL;
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/* local functions */
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static void init_table(table_t **tbl);
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#ifdef H5DUMP_DEBUG
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static void dump_table(char* tablename, table_t *table);
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#endif /* H5DUMP_DEBUG */
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static void add_obj(table_t *table, haddr_t objno, const char *objname, hbool_t recorded);
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/*-------------------------------------------------------------------------
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* Function: parallel_print
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*
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* Purpose: wrapper for printf for use in parallel mode.
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*-------------------------------------------------------------------------
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*/
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void
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parallel_print(const char* format, ...)
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{
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int bytes_written;
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va_list ap;
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HDva_start(ap, format);
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if(!g_Parallel)
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HDvprintf(format, ap);
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else {
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if(overflow_file == NULL) /*no overflow has occurred yet */ {
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bytes_written = HDvsnprintf(outBuff + outBuffOffset, OUTBUFF_SIZE - outBuffOffset, format, ap);
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HDva_end(ap);
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HDva_start(ap, format);
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if((bytes_written < 0) || ((unsigned)bytes_written >= (OUTBUFF_SIZE - outBuffOffset))) {
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/* Terminate the outbuff at the end of the previous output */
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outBuff[outBuffOffset] = '\0';
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overflow_file = HDtmpfile();
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if(overflow_file == NULL)
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HDfprintf(rawerrorstream, "warning: could not create overflow file. Output may be truncated.\n");
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else
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bytes_written = HDvfprintf(overflow_file, format, ap);
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}
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else
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outBuffOffset += (unsigned)bytes_written;
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}
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else
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bytes_written = HDvfprintf(overflow_file, format, ap);
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}
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HDva_end(ap);
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}
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/*-------------------------------------------------------------------------
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* Function: error_msg
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*
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* Purpose: Print a nicely formatted error message to stderr flushing the
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* stdout stream first.
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*
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* Return: Nothing
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*-------------------------------------------------------------------------
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*/
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void
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error_msg(const char *fmt, ...)
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{
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va_list ap;
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HDva_start(ap, fmt);
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FLUSHSTREAM(rawattrstream);
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FLUSHSTREAM(rawdatastream);
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FLUSHSTREAM(rawoutstream);
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HDfprintf(rawerrorstream, "%s error: ", h5tools_getprogname());
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HDvfprintf(rawerrorstream, fmt, ap);
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HDva_end(ap);
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}
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/*-------------------------------------------------------------------------
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* Function: warn_msg
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*
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* Purpose: Print a nicely formatted warning message to stderr flushing
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* the stdout stream first.
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*
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* Return: Nothing
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*-------------------------------------------------------------------------
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*/
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void
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warn_msg(const char *fmt, ...)
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{
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va_list ap;
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HDva_start(ap, fmt);
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FLUSHSTREAM(rawattrstream);
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FLUSHSTREAM(rawdatastream);
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FLUSHSTREAM(rawoutstream);
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HDfprintf(rawerrorstream, "%s warning: ", h5tools_getprogname());
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HDvfprintf(rawerrorstream, fmt, ap);
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HDva_end(ap);
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}
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/*-------------------------------------------------------------------------
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* Function: help_ref_msg
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*
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* Purpose: Print a message to refer help page
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*
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* Return: Nothing
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*-------------------------------------------------------------------------
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*/
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void
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help_ref_msg(FILE *output)
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{
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HDfprintf(output, "Try '-h' or '--help' for more information or ");
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HDfprintf(output, "see the <%s> entry in the 'HDF5 Reference Manual'.\n",h5tools_getprogname());
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}
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/*-------------------------------------------------------------------------
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* Function: get_option
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*
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* Purpose: Determine the command-line options a user specified. We can
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* accept both short and long type command-lines.
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*
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* Return: Success: The short valued "name" of the command line
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* parameter or EOF if there are no more
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* parameters to process.
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*
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* Failure: A question mark.
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*-------------------------------------------------------------------------
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*/
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int
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get_option(int argc, const char **argv, const char *opts, const struct long_options *l_opts)
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{
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static int sp = 1; /* character index in current token */
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int opt_opt = '?'; /* option character passed back to user */
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if (sp == 1) {
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/* check for more flag-like tokens */
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if (opt_ind >= argc || argv[opt_ind][0] != '-' || argv[opt_ind][1] == '\0') {
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return EOF;
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}
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else if (HDstrcmp(argv[opt_ind], "--") == 0) {
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opt_ind++;
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return EOF;
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}
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}
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if (sp == 1 && argv[opt_ind][0] == '-' && argv[opt_ind][1] == '-') {
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/* long command line option */
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const char *arg = &argv[opt_ind][2];
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int i;
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for (i = 0; l_opts && l_opts[i].name; i++) {
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size_t len = HDstrlen(l_opts[i].name);
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if (HDstrncmp(arg, l_opts[i].name, len) == 0) {
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/* we've found a matching long command line flag */
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opt_opt = l_opts[i].shortval;
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if (l_opts[i].has_arg != no_arg) {
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if (arg[len] == '=') {
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opt_arg = &arg[len + 1];
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}
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else if (l_opts[i].has_arg != optional_arg) {
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if (opt_ind < (argc - 1))
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if (argv[opt_ind + 1][0] != '-')
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opt_arg = argv[++opt_ind];
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}
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else if (l_opts[i].has_arg == require_arg) {
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if (opt_err)
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HDfprintf(rawerrorstream,
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"%s: option required for \"--%s\" flag\n",
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argv[0], arg);
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opt_opt = '?';
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}
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else
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opt_arg = NULL;
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}
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else {
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if (arg[len] == '=') {
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if (opt_err)
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HDfprintf(rawerrorstream,
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"%s: no option required for \"%s\" flag\n",
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argv[0], arg);
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opt_opt = '?';
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}
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opt_arg = NULL;
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}
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break;
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}
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}
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if (l_opts[i].name == NULL) {
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/* exhausted all of the l_opts we have and still didn't match */
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if (opt_err)
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HDfprintf(rawerrorstream, "%s: unknown option \"%s\"\n", argv[0], arg);
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opt_opt = '?';
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}
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opt_ind++;
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sp = 1;
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}
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else {
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register char *cp; /* pointer into current token */
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/* short command line option */
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opt_opt = argv[opt_ind][sp];
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if (opt_opt == ':' || (cp = HDstrchr(opts, opt_opt)) == 0) {
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if (opt_err)
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HDfprintf(rawerrorstream, "%s: unknown option \"%c\"\n",
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argv[0], opt_opt);
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/* if no chars left in this token, move to next token */
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if (argv[opt_ind][++sp] == '\0') {
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opt_ind++;
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sp = 1;
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}
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return '?';
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}
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if (*++cp == ':') {
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/* if a value is expected, get it */
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if (argv[opt_ind][sp + 1] != '\0') {
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/* flag value is rest of current token */
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opt_arg = &argv[opt_ind++][sp + 1];
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}
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else if (++opt_ind >= argc) {
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if (opt_err)
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HDfprintf(rawerrorstream,
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"%s: value expected for option \"%c\"\n",
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argv[0], opt_opt);
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opt_opt = '?';
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}
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else {
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/* flag value is next token */
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opt_arg = argv[opt_ind++];
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}
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sp = 1;
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}
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/* wildcard argument */
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else if (*cp == '*') {
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/* check the next argument */
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opt_ind++;
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/* we do have an extra argument, check if not last */
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if ( (opt_ind+1) < argc ) {
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if ( argv[opt_ind][0] != '-' ) {
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opt_arg = argv[opt_ind++];
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}
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else {
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opt_arg = NULL;
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}
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}
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else {
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opt_arg = NULL;
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}
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}
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else {
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/* set up to look at next char in token, next time */
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if (argv[opt_ind][++sp] == '\0') {
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/* no more in current token, so setup next token */
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opt_ind++;
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sp = 1;
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}
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opt_arg = NULL;
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}
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}
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/* return the current flag character found */
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return opt_opt;
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}
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/*-------------------------------------------------------------------------
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* Function: indentation
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*
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* Purpose: Print spaces for indentation
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*
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* Return: void
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*-------------------------------------------------------------------------
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*/
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void
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indentation(unsigned x)
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{
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if (x < h5tools_nCols) {
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while (x-- > 0)
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PRINTVALSTREAM(rawoutstream, " ");
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}
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else {
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HDfprintf(rawerrorstream, "error: the indentation exceeds the number of cols.\n");
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HDexit(1);
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}
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}
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/*-------------------------------------------------------------------------
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* Function: print_version
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*
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* Purpose: Print the program name and the version information which is
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* defined the same as the HDF5 library version.
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*
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* Return: void
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*-------------------------------------------------------------------------
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*/
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void
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print_version(const char *progname)
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{
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PRINTSTREAM(rawoutstream, "%s: Version %u.%u.%u%s%s\n",
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progname, H5_VERS_MAJOR, H5_VERS_MINOR, H5_VERS_RELEASE,
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((const char *)H5_VERS_SUBRELEASE)[0] ? "-" : "", H5_VERS_SUBRELEASE);
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}
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/*-------------------------------------------------------------------------
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* Function: init_table
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*
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* Purpose: allocate and initialize tables for shared groups, datasets,
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* and committed types
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*
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* Return: void
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*-------------------------------------------------------------------------
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*/
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static void
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init_table(table_t **tbl)
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{
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table_t *table = (table_t *)HDmalloc(sizeof(table_t));
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table->size = 20;
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table->nobjs = 0;
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table->objs = (obj_t *)HDmalloc(table->size * sizeof(obj_t));
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*tbl = table;
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}
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/*-------------------------------------------------------------------------
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* Function: free_table
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*
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* Purpose: free tables for shared groups, datasets,
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* and committed types
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*
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* Return: void
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*-------------------------------------------------------------------------
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*/
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void
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free_table(table_t *table)
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{
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unsigned u; /* Local index value */
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/* Free the names for the objects in the table */
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for(u = 0; u < table->nobjs; u++)
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if(table->objs[u].objname)
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HDfree(table->objs[u].objname);
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HDfree(table->objs);
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}
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#ifdef H5DUMP_DEBUG
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/*-------------------------------------------------------------------------
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* Function: dump_table
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*
|
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* Purpose: display the contents of tables for debugging purposes
|
||
*
|
||
* Return: void
|
||
*-------------------------------------------------------------------------
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*/
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static void
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dump_table(char* tablename, table_t *table)
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{
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unsigned u;
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PRINTSTREAM(rawoutstream,"%s: # of entries = %d\n", tablename,table->nobjs);
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for (u = 0; u < table->nobjs; u++)
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PRINTSTREAM(rawoutstream,"%a %s %d %d\n", table->objs[u].objno,
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table->objs[u].objname,
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table->objs[u].displayed, table->objs[u].recorded);
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: dump_tables
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||
*
|
||
* Purpose: display the contents of tables for debugging purposes
|
||
*
|
||
* Return: void
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
void
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dump_tables(find_objs_t *info)
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{
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dump_table("group_table", info->group_table);
|
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dump_table("dset_table", info->dset_table);
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dump_table("type_table", info->type_table);
|
||
}
|
||
#endif /* H5DUMP_DEBUG */
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: search_obj
|
||
*
|
||
* Purpose: search the object specified by objno in the table
|
||
*
|
||
* Return: Success: an integer, the location of the object
|
||
*
|
||
* Failure: FAIL if object is not found
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
H5_ATTR_PURE obj_t *
|
||
search_obj(table_t *table, haddr_t objno)
|
||
{
|
||
unsigned u;
|
||
|
||
for(u = 0; u < table->nobjs; u++)
|
||
if(table->objs[u].objno == objno)
|
||
return &(table->objs[u]);
|
||
|
||
return NULL;
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: find_objs_cb
|
||
*
|
||
* Purpose: Callback to find objects, committed types and store them in tables
|
||
*
|
||
* Return: Success: SUCCEED
|
||
*
|
||
* Failure: FAIL
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
static herr_t
|
||
find_objs_cb(const char *name, const H5O_info_t *oinfo, const char *already_seen, void *op_data)
|
||
{
|
||
find_objs_t *info = (find_objs_t*)op_data;
|
||
herr_t ret_value = 0;
|
||
|
||
switch(oinfo->type) {
|
||
case H5O_TYPE_GROUP:
|
||
if(NULL == already_seen)
|
||
add_obj(info->group_table, oinfo->addr, name, TRUE);
|
||
break;
|
||
|
||
case H5O_TYPE_DATASET:
|
||
if(NULL == already_seen) {
|
||
hid_t dset = -1;
|
||
|
||
/* Add the dataset to the list of objects */
|
||
add_obj(info->dset_table, oinfo->addr, name, TRUE);
|
||
|
||
/* Check for a dataset that uses a named datatype */
|
||
if((dset = H5Dopen2(info->fid, name, H5P_DEFAULT)) >= 0) {
|
||
hid_t type = H5Dget_type(dset);
|
||
|
||
if(H5Tcommitted(type) > 0) {
|
||
H5O_info_t type_oinfo;
|
||
|
||
H5Oget_info2(type, &type_oinfo, H5O_INFO_BASIC);
|
||
if(search_obj(info->type_table, type_oinfo.addr) == NULL)
|
||
add_obj(info->type_table, type_oinfo.addr, name, FALSE);
|
||
} /* end if */
|
||
|
||
H5Tclose(type);
|
||
H5Dclose(dset);
|
||
} /* end if */
|
||
else
|
||
ret_value = FAIL;
|
||
} /* end if */
|
||
break;
|
||
|
||
case H5O_TYPE_NAMED_DATATYPE:
|
||
if(NULL == already_seen) {
|
||
obj_t *found_obj;
|
||
|
||
if((found_obj = search_obj(info->type_table, oinfo->addr)) == NULL)
|
||
add_obj(info->type_table, oinfo->addr, name, TRUE);
|
||
else {
|
||
/* Use latest version of name */
|
||
HDfree(found_obj->objname);
|
||
found_obj->objname = HDstrdup(name);
|
||
|
||
/* Mark named datatype as having valid name */
|
||
found_obj->recorded = TRUE;
|
||
} /* end else */
|
||
} /* end if */
|
||
break;
|
||
|
||
case H5O_TYPE_UNKNOWN:
|
||
case H5O_TYPE_NTYPES:
|
||
default:
|
||
break;
|
||
} /* end switch */
|
||
|
||
return ret_value;
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: init_objs
|
||
*
|
||
* Purpose: Initialize tables for groups, datasets & named datatypes
|
||
*
|
||
* Return: Success: SUCCEED
|
||
*
|
||
* Failure: FAIL
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
herr_t
|
||
init_objs(hid_t fid, find_objs_t *info, table_t **group_table,
|
||
table_t **dset_table, table_t **type_table)
|
||
{
|
||
/* Initialize the tables */
|
||
init_table(group_table);
|
||
init_table(dset_table);
|
||
init_table(type_table);
|
||
|
||
/* Init the find_objs_t */
|
||
info->fid = fid;
|
||
info->group_table = *group_table;
|
||
info->type_table = *type_table;
|
||
info->dset_table = *dset_table;
|
||
|
||
/* Find all shared objects */
|
||
return(h5trav_visit(fid, "/", TRUE, TRUE, find_objs_cb, NULL, info, H5O_INFO_BASIC));
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: add_obj
|
||
*
|
||
* Purpose: add a shared object to the table
|
||
* realloc the table if necessary
|
||
*
|
||
* Return: void
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
static void
|
||
add_obj(table_t *table, haddr_t objno, const char *objname, hbool_t record)
|
||
{
|
||
size_t u;
|
||
|
||
/* See if we need to make table larger */
|
||
if(table->nobjs == table->size) {
|
||
table->size *= 2;
|
||
table->objs = (struct obj_t *)HDrealloc(table->objs, table->size * sizeof(table->objs[0]));
|
||
} /* end if */
|
||
|
||
/* Increment number of objects in table */
|
||
u = table->nobjs++;
|
||
|
||
/* Set information about object */
|
||
table->objs[u].objno = objno;
|
||
table->objs[u].objname = HDstrdup(objname);
|
||
table->objs[u].recorded = record;
|
||
table->objs[u].displayed = 0;
|
||
}
|
||
|
||
|
||
#ifndef H5_HAVE_TMPFILE
|
||
/*-------------------------------------------------------------------------
|
||
* Function: tmpfile
|
||
*
|
||
* Purpose: provide tmpfile() function when it is not supported by the
|
||
* system. Always return NULL for now.
|
||
*
|
||
* Return: a stream description when succeeds.
|
||
* NULL if fails.
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
FILE *
|
||
tmpfile(void)
|
||
{
|
||
return NULL;
|
||
}
|
||
|
||
#endif
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5tools_get_symlink_info
|
||
*
|
||
* Purpose: Get symbolic link (soft, external) info and its target object type
|
||
(dataset, group, named datatype) and path, if exist
|
||
*
|
||
* Patameters:
|
||
* - [IN] fileid : link file id
|
||
* - [IN] linkpath : link path
|
||
* - [OUT] link_info: returning target object info (h5tool_link_info_t)
|
||
*
|
||
* Return:
|
||
* 2 : given pathname is object
|
||
* 1 : Succeed to get link info.
|
||
* 0 : Detected as a dangling link
|
||
* -1 : H5 API failed.
|
||
*
|
||
* NOTE:
|
||
* link_info->trg_path must be freed out of this function
|
||
*-------------------------------------------------------------------------*/
|
||
int
|
||
H5tools_get_symlink_info(hid_t file_id, const char * linkpath, h5tool_link_info_t *link_info, hbool_t get_obj_type)
|
||
{
|
||
htri_t l_ret;
|
||
H5O_info_t trg_oinfo;
|
||
hid_t fapl = H5P_DEFAULT;
|
||
hid_t lapl = H5P_DEFAULT;
|
||
int ret_value = -1; /* init to fail */
|
||
|
||
/* init */
|
||
link_info->trg_type = H5O_TYPE_UNKNOWN;
|
||
|
||
/* if path is root, return group type */
|
||
if(!HDstrcmp(linkpath,"/")) {
|
||
link_info->trg_type = H5O_TYPE_GROUP;
|
||
HGOTO_DONE(2);
|
||
}
|
||
|
||
/* check if link itself exist */
|
||
if(H5Lexists(file_id, linkpath, H5P_DEFAULT) <= 0) {
|
||
if(link_info->opt.msg_mode == 1)
|
||
parallel_print("Warning: link <%s> doesn't exist \n",linkpath);
|
||
HGOTO_DONE(FAIL);
|
||
} /* end if */
|
||
|
||
/* get info from link */
|
||
if(H5Lget_info(file_id, linkpath, &(link_info->linfo), H5P_DEFAULT) < 0) {
|
||
if(link_info->opt.msg_mode == 1)
|
||
parallel_print("Warning: unable to get link info from <%s>\n",linkpath);
|
||
HGOTO_DONE(FAIL);
|
||
} /* end if */
|
||
|
||
/* given path is hard link (object) */
|
||
if(link_info->linfo.type == H5L_TYPE_HARD)
|
||
HGOTO_DONE(2);
|
||
|
||
/* trg_path must be freed out of this function when finished using */
|
||
if((link_info->trg_path = (char*)HDcalloc(link_info->linfo.u.val_size, sizeof(char))) == NULL) {
|
||
if(link_info->opt.msg_mode == 1)
|
||
parallel_print("Warning: unable to allocate buffer for <%s>\n",linkpath);
|
||
HGOTO_DONE(FAIL);
|
||
} /* end if */
|
||
|
||
/* get link value */
|
||
if(H5Lget_val(file_id, linkpath, (void *)link_info->trg_path, link_info->linfo.u.val_size, H5P_DEFAULT) < 0) {
|
||
if(link_info->opt.msg_mode == 1)
|
||
parallel_print("Warning: unable to get link value from <%s>\n",linkpath);
|
||
HGOTO_DONE(FAIL);
|
||
} /* end if */
|
||
|
||
/*-----------------------------------------------------
|
||
* if link type is external link use different lapl to
|
||
* follow object in other file
|
||
*/
|
||
if(link_info->linfo.type == H5L_TYPE_EXTERNAL) {
|
||
if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
|
||
HGOTO_DONE(FAIL);
|
||
if(H5Pset_fapl_sec2(fapl) < 0)
|
||
HGOTO_DONE(FAIL);
|
||
if((lapl = H5Pcreate(H5P_LINK_ACCESS)) < 0)
|
||
HGOTO_DONE(FAIL);
|
||
if(H5Pset_elink_fapl(lapl, fapl) < 0)
|
||
HGOTO_DONE(FAIL);
|
||
} /* end if */
|
||
|
||
/* Check for retrieving object info */
|
||
if(get_obj_type) {
|
||
/*--------------------------------------------------------------
|
||
* if link's target object exist, get type
|
||
*/
|
||
/* check if target object exist */
|
||
l_ret = H5Oexists_by_name(file_id, linkpath, lapl);
|
||
|
||
/* detect dangling link */
|
||
if(l_ret == FALSE) {
|
||
HGOTO_DONE(0);
|
||
}
|
||
else if(l_ret < 0) { /* function failed */
|
||
HGOTO_DONE(FAIL);
|
||
}
|
||
|
||
/* get target object info */
|
||
if(H5Oget_info_by_name2(file_id, linkpath, &trg_oinfo, H5O_INFO_BASIC, lapl) < 0) {
|
||
if(link_info->opt.msg_mode == 1)
|
||
parallel_print("Warning: unable to get object information for <%s>\n", linkpath);
|
||
HGOTO_DONE(FAIL);
|
||
} /* end if */
|
||
|
||
/* check unknown type */
|
||
if(trg_oinfo.type < H5O_TYPE_GROUP || trg_oinfo.type >=H5O_TYPE_NTYPES) {
|
||
if(link_info->opt.msg_mode == 1)
|
||
parallel_print("Warning: target object of <%s> is unknown type\n", linkpath);
|
||
HGOTO_DONE(FAIL);
|
||
} /* end if */
|
||
|
||
/* set target obj type to return */
|
||
link_info->trg_type = trg_oinfo.type;
|
||
link_info->objno = trg_oinfo.addr;
|
||
link_info->fileno = trg_oinfo.fileno;
|
||
} /* end if */
|
||
else
|
||
link_info->trg_type = H5O_TYPE_UNKNOWN;
|
||
|
||
/* succeed */
|
||
ret_value = 1;
|
||
|
||
done:
|
||
if(fapl != H5P_DEFAULT)
|
||
H5Pclose(fapl);
|
||
if(lapl != H5P_DEFAULT)
|
||
H5Pclose(lapl);
|
||
|
||
return ret_value;
|
||
} /* end H5tools_get_symlink_info() */
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Audience: Public
|
||
*
|
||
* Purpose: Initialize the name and operation status of the H5 Tools library
|
||
*
|
||
* Description:
|
||
* These are utility functions to set/get the program name and operation status.
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
void
|
||
h5tools_setprogname(const char *Progname)
|
||
{
|
||
h5tools_progname = Progname;
|
||
}
|
||
|
||
void
|
||
h5tools_setstatus(int D_status)
|
||
{
|
||
h5tools_d_status = D_status;
|
||
}
|
||
|
||
H5_ATTR_PURE const char *
|
||
h5tools_getprogname(void)
|
||
{
|
||
return h5tools_progname;
|
||
}
|
||
|
||
H5_ATTR_PURE int
|
||
h5tools_getstatus(void)
|
||
{
|
||
return h5tools_d_status;
|
||
}
|
||
|
||
/*-----------------------------------------------------------
|
||
* PURPOSE :
|
||
* if environment variable H5TOOLS_BUFSIZE is set,
|
||
* update H5TOOLS_BUFSIZE and H5TOOLS_MALLOCSIZE from the env
|
||
* This can be called from each tools main() as part of initial act.
|
||
* Note: this is more of debugging purpose for now.
|
||
*/
|
||
int
|
||
h5tools_getenv_update_hyperslab_bufsize(void)
|
||
{
|
||
const char *env_str = NULL;
|
||
long hyperslab_bufsize_mb;
|
||
int ret_value = 1;
|
||
|
||
/* check if environment variable is set for the hyperslab buffer size */
|
||
if (NULL != (env_str = HDgetenv ("H5TOOLS_BUFSIZE"))) {
|
||
errno = 0;
|
||
hyperslab_bufsize_mb = HDstrtol(env_str, (char**)NULL, 10);
|
||
if (errno != 0 || hyperslab_bufsize_mb <= 0)
|
||
HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "hyperslab buffer size failed");
|
||
|
||
/* convert MB to byte */
|
||
H5TOOLS_BUFSIZE = (hsize_t)hyperslab_bufsize_mb * 1024 * 1024;
|
||
|
||
H5TOOLS_MALLOCSIZE = MAX(H5TOOLS_BUFSIZE, H5TOOLS_MALLOCSIZE);
|
||
}
|
||
|
||
done:
|
||
return ret_value;
|
||
}
|
||
|