[svn-r17582] Description:

	Bring changes from file free space branch back to the trunk.  *yay!*

Tested on:
        FreeBSD/32 6.3 (duty) in debug mode
        FreeBSD/64 6.3 (liberty) w/C++ & FORTRAN, in debug mode
        Linux/32 2.6 (jam) w/PGI compilers, w/default API=1.8.x,
                w/C++ & FORTRAN, w/threadsafe, in debug mode
        Linux/64-amd64 2.6 (smirom) w/Intel compilers, w/default API=1.6.x,
                w/C++ & FORTRAN, in production mode
        Solaris/32 2.10 (linew) w/deprecated symbols disabled, w/C++ & FORTRAN,
                w/szip filter, in production mode
        Linux/64-ia64 2.6 (cobalt) w/Intel compilers, w/C++ & FORTRAN,
                in production mode
        Linux/64-ia64 2.4 (tg-login3) w/parallel, w/FORTRAN, in debug mode
        Linux/64-amd64 2.6 (abe) w/parallel, w/FORTRAN, in production mode
        Mac OS X/32 10.5.8 (amazon) in debug mode
        Mac OS X/32 10.5.8 (amazon) w/C++ & FORTRAN, w/threadsafe,
                in production mode

1 files changed, 81 insertions, 0 deletions

diff --git a/test/gen_filespace.c b/test/gen_filespace.c
new file mode 100644
index 0000000..e9dee1c
--- /dev/null
+++ b/test/gen_filespace.c
@@ -0,0 +1,81 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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.     *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+#include "hdf5.h"
+
+#define NELMTS(X)    	(sizeof(X)/sizeof(X[0]))	/* # of elements */
+#define TEST_THRESHOLD2	2             			/* Free space section threshold */
+
+const char *FILENAMES[] = {
+    "filespace_persist.h5",	/* H5F_FILE_SPACE_ALL_PERSIST */
+    "filespace_default.h5",	/* H5F_FILE_SPACE_ALL */
+    "filespace_aggr_vfd.h5",	/* H5F_FILE_SPACE_AGGR_VFD */
+    "filespace_vfd.h5",		/* H5F_FILE_SPACE_VFD */
+    "filespace_threshold.h5"	/* H5F_FILE_SPACE_ALL, non-default threshold */
+}; 
+
+#define DATASET		"dset"
+#define NUM_ELMTS	100
+
+/*
+ * Compile and run this program in file-space branch to generate 
+ * HDF5 files with different kinds of file space strategies
+ * Move the HDF5 files to the 1.6 and 1.8 branch for compatibility 
+ * testing:test_filespace_compatible() will use the files
+ */
+static void gen_file(void)
+{
+    hid_t   	fid;
+    hid_t   	fcpl;
+    hid_t       dataset, space;  
+    hsize_t     dim[1];
+    int         data[NUM_ELMTS];
+    unsigned    i, j;			/* Local index variable */
+    H5F_file_space_type_t fs_type;	/* File space handling strategy */
+
+    for(j = 0, fs_type = H5F_FILE_SPACE_ALL_PERSIST; j < NELMTS(FILENAMES); j++, (H5F_file_space_type_t)(fs_type)++) {
+	/* Get a copy of the default file creation property */
+	fcpl = H5Pcreate(H5P_FILE_CREATE);
+
+	if(fs_type == H5F_FILE_SPACE_NTYPES) /* last file */
+	    /* Set default strategy but non-default threshold */
+	    H5Pset_file_space(fcpl, H5F_FILE_SPACE_ALL, (hsize_t)TEST_THRESHOLD2);
+	else
+	    /* Set specified file space strategy and free space section threshold */
+	    H5Pset_file_space(fcpl, fs_type, (hsize_t)0);
+
+	/* Create the file with the file space info */
+	fid = H5Fcreate(FILENAMES[j], H5F_ACC_TRUNC, fcpl, H5P_DEFAULT);
+
+	dim[0] = NUM_ELMTS;
+	space = H5Screate_simple(1, dim, NULL);
+	dataset = H5Dcreate2(fid, DATASET, H5T_NATIVE_INT, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+
+	for(i = 0; i < NUM_ELMTS; i++)
+	    data[i] = i;
+
+	H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data);
+	H5Dclose(dataset);
+	H5Sclose(space);
+	H5Fclose(fid);
+    }
+}
+
+int main(void)
+{
+    gen_file();
+
+    return 0;
+}