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+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group.                                               *
+ * 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.     *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * Use Case Header file: common definitions for use cases tests.
+ */
+#include "h5test.h"
+
+/* Macro definitions */
+#define Hgoto_error(val)	{ret_value=val; goto done;}
+#define Hgoto_done		{goto done;}
+#define Chunksize_DFT		256	/* chunksize default */
+#define ErrorReportMax		10	/* max number of errors reported */
+/* these two definitions must match each other */
+#define UC_DATATYPE		H5T_NATIVE_SHORT    /* use case HDF5 data type */
+#define UC_CTYPE		short		    /* use case C data type */
+#define UC_RANK			3		    /* use case dataset rank */
+
+/* Name of message file that is sent by the writer */
+#define WRITER_MESSAGE          "USE_WRITER_MESSAGE"
+
+/* type declarations */
+typedef enum part_t {
+    UC_READWRITE	=0,	/* both writer and reader */
+    UC_WRITER,			/* writer only */
+    UC_READER			/* reader only */
+} part_t;
+typedef struct options_t {
+    int chunksize;		/* chunks are chunksize^2 planes	*/
+    int chunkplanes;		/* number of planes per chunk, default 1 */
+    hsize_t chunkdims[UC_RANK]; /* chunk dims is (chunkplan, chunksize, chunksize) */
+    hsize_t dims[UC_RANK];      /* dataset initial dims */
+    hsize_t max_dims[UC_RANK];  /* dataset max dims */
+    hsize_t nplanes;		/* number of planes to write, default proportional to chunksize */
+    char *filename;		/* use case data filename		*/
+    part_t launch;		/* launch writer, reader or both	*/
+    int use_swmr;               /* use swmr open (1) or not 		*/
+    int iterations;		/* iterations, default 1		*/
+} options_t;
+
+/* global variables declarations */
+extern options_t UC_opts;	/* Use Case Options */
+extern const char *progname_g;	/* Program name */
+
+/* prototype declarations */
+int parse_option(int argc, char * const argv[]);
+int setup_parameters(int argc, char * const argv[]);
+void show_parameters(void);
+void usage(const char *prog);
+int create_uc_file(void);
+int write_uc_file(hbool_t tosend);
+int read_uc_file(hbool_t towait);
+