[svn-r18759] pull r18757 from 1.8 branch

Enable tools lib to be built as a dll on windows. Added two get/set functions for progname and d_status.
Also add windows import/export declarations to functions.
Updated error_mesg() and warn_mesg() to remove progname argument and use get functions

Tested:
   Windows, linux

34 files changed, 571 insertions, 481 deletions

diff --git a/tools/h5copy/h5copy.c b/tools/h5copy/h5copy.c
index 0ea8e16..89cb5fb 100644
--- a/tools/h5copy/h5copy.c
+++ b/tools/h5copy/h5copy.c
@@ -19,8 +19,8 @@
 #include <string.h>
 #include <stdlib.h>
 
-const char *progname="h5copy";
-int   d_status;
+/* Name of tool */
+#define PROGRAMNAME "h5copy"
 
 /* command-line options: short and long-named parameters */
 static const char *s_opts = "d:f:hi:o:ps:vV";
@@ -176,7 +176,7 @@ static int parse_flag(const char* str_flag, unsigned *flag)
  }
  else
  {
-  error_msg(progname, "Error in input flag\n");
+  error_msg("Error in input flag\n");
   return -1;
  }
 
@@ -216,7 +216,9 @@ main (int argc, const char *argv[])
  int          li_ret;
  h5tool_link_info_t linkinfo;
 
- /* initialize h5tools lib */
+ h5tools_setprogname(PROGRAMNAME);
+ h5tools_setstatus(EXIT_SUCCESS);
+/* initialize h5tools lib */
  h5tools_init();
 
  /* Check for no command line parameters */
@@ -266,7 +268,7 @@ main (int argc, const char *argv[])
    break;
 
   case 'V':
-   print_version(progname);
+   print_version(h5tools_getprogname());
    leave(EXIT_SUCCESS);
    break;
 
@@ -286,28 +288,28 @@ main (int argc, const char *argv[])
 
  if (fname_src==NULL)
  {
-  error_msg(progname, "Input file name missing\n");
+  error_msg("Input file name missing\n");
   usage();
   leave(EXIT_FAILURE);
  }
 
  if (fname_dst==NULL)
  {
-  error_msg(progname, "Output file name missing\n");
+  error_msg("Output file name missing\n");
   usage();
   leave(EXIT_FAILURE);
  }
 
  if (oname_src==NULL)
  {
-  error_msg(progname, "Source object name missing\n");
+  error_msg("Source object name missing\n");
   usage();
   leave(EXIT_FAILURE);
  }
 
  if (oname_dst==NULL)
  {
-  error_msg(progname, "Destination object name missing\n");
+  error_msg("Destination object name missing\n");
   usage();
   leave(EXIT_FAILURE);
  }
@@ -324,7 +326,7 @@ main (int argc, const char *argv[])
  *-------------------------------------------------------------------------*/
  if (fid_src==-1)
  {
-  error_msg(progname, "Could not open input file <%s>...Exiting\n", fname_src);
+  error_msg("Could not open input file <%s>...Exiting\n", fname_src);
   if (fname_src)
    free(fname_src);
   leave(EXIT_FAILURE);
@@ -347,7 +349,7 @@ main (int argc, const char *argv[])
  *-------------------------------------------------------------------------*/
  if (fid_dst==-1)
  {
-  error_msg(progname, "Could not open output file <%s>...Exiting\n", fname_dst);
+  error_msg("Could not open output file <%s>...Exiting\n", fname_dst);
   if (fname_src)
    free(fname_src);
   if (fname_dst)
@@ -388,7 +390,7 @@ main (int argc, const char *argv[])
 
     /* Create link creation property list */
     if((lcpl_id = H5Pcreate(H5P_LINK_CREATE)) < 0) {
-        error_msg(progname, "Could not create link creation property list\n");
+        error_msg("Could not create link creation property list\n");
         goto error;
     } /* end if */
 
@@ -396,13 +398,13 @@ main (int argc, const char *argv[])
     if(parents) {
         /* Set the intermediate group creation property */
         if(H5Pset_create_intermediate_group(lcpl_id, 1) < 0) {
-            error_msg(progname, "Could not set property for creating parent groups\n");
+            error_msg("Could not set property for creating parent groups\n");
             goto error;
         } /* end if */
 
         /* Display some output if requested */
         if(verbose)
-            printf("%s: Creating parent groups\n", progname);
+            printf("%s: Creating parent groups\n", h5tools_getprogname());
     } /* end if */
 
 /*-------------------------------------------------------------------------
diff --git a/tools/h5copy/h5copygentest.c b/tools/h5copy/h5copygentest.c
index b6346de..a79789a 100644
--- a/tools/h5copy/h5copygentest.c
+++ b/tools/h5copy/h5copygentest.c
@@ -21,6 +21,9 @@
 #include "H5private.h"
 #include "h5tools.h"
 
+/* Name of tool */
+#define PROGRAMNAME "h5copygentest"
+
 /* HDF file names */
 #define HDF_FILE1                "h5copytst.h5"
 #define HDF_FILE2                "h5copy_ref.h5"
@@ -888,6 +891,9 @@ out:
 
 int main(void)
 {
+    h5tools_setprogname(PROGRAMNAME);
+    h5tools_setstatus(EXIT_SUCCESS);
+
     Test_Obj_Copy();
     Test_Ref_Copy();
     Test_Extlink_Copy();
diff --git a/tools/h5diff/h5diff_common.c b/tools/h5diff/h5diff_common.c
index 75e1774..cf54a35 100644
--- a/tools/h5diff/h5diff_common.c
+++ b/tools/h5diff/h5diff_common.c
@@ -23,10 +23,6 @@ static int check_n_input( const char* );
 static int check_p_input( const char* );
 static int check_d_input( const char* );
 
-
-/* module-scoped variables */
-const char  *progname = "h5diff";
-
 /*
  * Command-line options: The user can specify short or long-named
  * parameters.
@@ -90,7 +86,7 @@ void parse_command_line(int argc,
             usage();
             h5diff_exit(EXIT_SUCCESS);
         case 'V':
-            print_version(progname);
+            print_version(h5tools_getprogname());
             h5diff_exit(EXIT_SUCCESS);
         case 'v':
             options->m_verbose = 1;
@@ -174,7 +170,7 @@ void parse_command_line(int argc,
     /* check for file names to be processed */
     if (argc <= opt_ind || argv[ opt_ind + 1 ] == NULL)
     {
-        error_msg(progname, "missing file names\n");
+        error_msg("missing file names\n");
         usage();
         h5diff_exit(EXIT_FAILURE);
     }
diff --git a/tools/h5diff/h5diff_main.c b/tools/h5diff/h5diff_main.c
index 8089161..297eb48 100644
--- a/tools/h5diff/h5diff_main.c
+++ b/tools/h5diff/h5diff_main.c
@@ -20,6 +20,9 @@
 #include "h5diff_common.h"
 #include "h5tools_utils.h"
 
+/* Name of tool */
+#define PROGRAMNAME "h5diff"
+
 /*-------------------------------------------------------------------------
  * Function: main
  *
@@ -68,9 +71,6 @@
  */
 
 
-/* module-scoped variables */
-int d_status = EXIT_SUCCESS;
-
 int main(int argc, const char *argv[])
 {
     int        ret;
@@ -81,6 +81,8 @@ int main(int argc, const char *argv[])
     hsize_t    nfound=0;
     diff_opt_t options;
 
+    h5tools_setprogname(PROGRAMNAME);
+    h5tools_setstatus(EXIT_SUCCESS);
     /*-------------------------------------------------------------------------
     * process the command-line
     *-------------------------------------------------------------------------
diff --git a/tools/h5diff/h5diffgentest.c b/tools/h5diff/h5diffgentest.c
index 57abc04..26adbf4 100644
--- a/tools/h5diff/h5diffgentest.c
+++ b/tools/h5diff/h5diffgentest.c
@@ -20,6 +20,9 @@
 #include "h5tools.h"
 
 
+/* Name of tool */
+#define PROGRAMNAME "h5diffgentest"
+
 /*-------------------------------------------------------------------------
 * Program: h5diffgentest
 *
@@ -114,9 +117,6 @@ static int write_dset(hid_t loc_id,int rank,hsize_t *dims,const char *name,hid_t
 *-------------------------------------------------------------------------
 */
 
-/* module-scoped variables */
-int d_status = EXIT_SUCCESS;
-
 int main(void)
 {
     test_basic(FILE1, FILE2, FILE11);
diff --git a/tools/h5diff/ph5diff_main.c b/tools/h5diff/ph5diff_main.c
index 1990138..7a43c73 100644
--- a/tools/h5diff/ph5diff_main.c
+++ b/tools/h5diff/ph5diff_main.c
@@ -20,6 +20,9 @@
 #include <assert.h>
 #include "h5diff_common.h"
 
+/* Name of tool */
+#define PROGRAMNAME "h5diff"
+
 static void ph5diff_worker(int );
 
 /*-------------------------------------------------------------------------
@@ -52,9 +55,6 @@ static void ph5diff_worker(int );
  *-------------------------------------------------------------------------
  */
 
-/* module-scoped variables */
-int d_status = EXIT_SUCCESS;
-
 int main(int argc, const char *argv[])
 {
     int        nID = 0;
@@ -64,6 +64,9 @@ int main(int argc, const char *argv[])
     const char *objname2  = NULL;
     diff_opt_t options;
 
+    h5tools_setprogname(PROGRAMNAME);
+    h5tools_setstatus(EXIT_SUCCESS);
+
     outBuffOffset = 0;
     g_Parallel = 1;
 
diff --git a/tools/h5dump/h5dump.c b/tools/h5dump/h5dump.c
index 3156ba6..e4c5231 100644
--- a/tools/h5dump/h5dump.c
+++ b/tools/h5dump/h5dump.c
@@ -22,9 +22,8 @@
 #include "h5tools_ref.h"
 #include "h5trav.h"
 
-
-/* module-scoped variables */
-const char  *progname = "h5dump";
+/* Name of tool */
+#define PROGRAMNAME "h5dump"
 
 /* Macros for displaying objects */
 #define begin_obj(obj,name,begin)                               \
@@ -68,7 +67,6 @@ typedef struct h5dump_table_list_t {
     } *tables;
 } h5dump_table_list_t;
 
-int                 d_status = EXIT_SUCCESS;
 static int          unamedtype = 0;     /* shared datatype with no name */
 static h5dump_table_list_t table_list = {0, 0, NULL};
 static table_t      *group_table = NULL, *dset_table = NULL, *type_table = NULL;
@@ -819,7 +817,7 @@ table_list_free(void)
     for(u = 0; u < table_list.nused; u++) {
         /* Release object id */
         if(H5Idec_ref(table_list.tables[u].oid) < 0)
-            d_status = EXIT_FAILURE;
+            h5tools_setstatus(EXIT_FAILURE);
 
         /* Free each table */
         free_table(table_list.tables[u].group_table);
@@ -881,8 +879,8 @@ print_datatype(hid_t type,unsigned in_group)
             else
                 printf("\"%s\"", obj->objname);
         } else {
-            error_msg(progname, "unknown committed type.\n");
-            d_status = EXIT_FAILURE;
+            error_msg("unknown committed type.\n");
+            h5tools_setstatus(EXIT_FAILURE);
         }
     } else {
         switch(H5Tget_class(type)) {
@@ -1121,7 +1119,7 @@ print_datatype(hid_t type,unsigned in_group)
 
                 /* Type doesn't match any of above. */
                 printf("unknown_one_character_type;\n ");
-                d_status = EXIT_FAILURE;
+                h5tools_setstatus(EXIT_FAILURE);
 
     done:
                 H5Tclose(str_type);
@@ -1151,7 +1149,7 @@ print_datatype(hid_t type,unsigned in_group)
                     printf("H5T_STD_B64LE");
                 } else {
                     printf("undefined bitfield");
-                    d_status = EXIT_FAILURE;
+                    h5tools_setstatus(EXIT_FAILURE);
                 }
                 break;
 
@@ -1258,7 +1256,7 @@ print_datatype(hid_t type,unsigned in_group)
 
             default:
                 printf("unknown datatype");
-                d_status = EXIT_FAILURE;
+                h5tools_setstatus(EXIT_FAILURE);
                 break;
         }
     } /* end else */
@@ -1401,11 +1399,11 @@ dump_attr_cb(hid_t oid, const char *attr_name, const H5A_info_t UNUSED *info, vo
 
     if((attr_id = H5Aopen(oid, attr_name, H5P_DEFAULT)) < 0) {
         indentation(indent + COL);
-        error_msg(progname, "unable to open attribute \"%s\"\n", attr_name);
+        error_msg("unable to open attribute \"%s\"\n", attr_name);
         indentation(indent);
         end_obj(dump_header_format->attributeend,
                 dump_header_format->attributeblockend);
-        d_status = EXIT_FAILURE;
+        h5tools_setstatus(EXIT_FAILURE);
         ret = FAIL;
     } else {
         hid_t type, space;
@@ -1477,9 +1475,9 @@ dump_selected_attr(hid_t loc_id, const char *name)
     /* Open the object with the attribute */
     if((oid = H5Oopen(loc_id, obj_name, H5P_DEFAULT)) < 0) {
         indentation(COL);
-        error_msg(progname, "unable to open object \"%s\"\n", obj_name);
+        error_msg("unable to open object \"%s\"\n", obj_name);
         end_obj(dump_header_format->attributeend, dump_header_format->attributeblockend);
-        d_status = EXIT_FAILURE;
+        h5tools_setstatus(EXIT_FAILURE);
         return FAIL;
     } /* end if */
 
@@ -1504,14 +1502,14 @@ dump_selected_attr(hid_t loc_id, const char *name)
         dump_header_format->attributeblockend);
     } else {
         indentation(COL);
-        error_msg(progname, "unable to open attribute \"%s\"\n", obj_name);
+        error_msg("unable to open attribute \"%s\"\n", obj_name);
         end_obj(dump_header_format->attributeend, dump_header_format->attributeblockend);
-        d_status = EXIT_FAILURE;
+        h5tools_setstatus(EXIT_FAILURE);
     }
 
     /* Close object */
     if(H5Oclose(oid) < 0) {
-        d_status = EXIT_FAILURE;
+        h5tools_setstatus(EXIT_FAILURE);
         return FAIL;
     } /* end if */
 
@@ -1559,8 +1557,8 @@ dump_all_cb(hid_t group, const char *name, const H5L_info_t *linfo, void UNUSED
 
         /* Stat the object */
         if(H5Oget_info_by_name(group, name, &oinfo, H5P_DEFAULT) < 0) {
-            error_msg(progname, "unable to get object information for \"%s\"\n", name);
-            d_status = EXIT_FAILURE;
+            error_msg("unable to get object information for \"%s\"\n", name);
+            h5tools_setstatus(EXIT_FAILURE);
             ret = FAIL;
             goto done;
         } /* end if */
@@ -1570,8 +1568,8 @@ dump_all_cb(hid_t group, const char *name, const H5L_info_t *linfo, void UNUSED
         case H5O_TYPE_GROUP:
             if((obj = H5Gopen2(group, name, H5P_DEFAULT)) < 0)
             {
-                error_msg(progname, "unable to dump group \"%s\"\n", name);
-                d_status = EXIT_FAILURE;
+                error_msg("unable to dump group \"%s\"\n", name);
+                h5tools_setstatus(EXIT_FAILURE);
                 ret = FAIL;
             }
             else
@@ -1609,13 +1607,13 @@ dump_all_cb(hid_t group, const char *name, const H5L_info_t *linfo, void UNUSED
                             begin_obj(dump_header_format->datasetbegin, name,
                                       dump_header_format->datasetblockbegin);
                             indentation(indent + COL);
-                            error_msg(progname,
+                            error_msg(h5tools_getprogname(),
                                       "internal error (file %s:line %d)\n",
                                       __FILE__, __LINE__);
                             indentation(indent);
                             end_obj(dump_header_format->datasetend,
                                     dump_header_format->datasetblockend);
-                            d_status = EXIT_FAILURE;
+                            h5tools_setstatus(EXIT_FAILURE);
                             ret = FAIL;
                             H5Dclose(obj);
                             goto done;
@@ -1678,16 +1676,16 @@ dump_all_cb(hid_t group, const char *name, const H5L_info_t *linfo, void UNUSED
                     dump_function_table->dump_dataset_function(obj, name, NULL);
                     H5Dclose(obj);
                 } else {
-                    error_msg(progname, "unable to dump dataset \"%s\"\n", name);
-                    d_status = EXIT_FAILURE;
+                    error_msg("unable to dump dataset \"%s\"\n", name);
+                    h5tools_setstatus(EXIT_FAILURE);
                     ret = FAIL;
                 }
                 break;
 
             case H5O_TYPE_NAMED_DATATYPE:
                 if((obj = H5Topen2(group, name, H5P_DEFAULT)) < 0) {
-                    error_msg(progname, "unable to dump datatype \"%s\"\n", name);
-                    d_status = EXIT_FAILURE;
+                    error_msg("unable to dump datatype \"%s\"\n", name);
+                    h5tools_setstatus(EXIT_FAILURE);
                     ret = FAIL;
                 } else {
                     dump_function_table->dump_named_datatype_function(obj, name);
@@ -1696,8 +1694,8 @@ dump_all_cb(hid_t group, const char *name, const H5L_info_t *linfo, void UNUSED
                 break;
 
             default:
-                error_msg(progname, "unknown object \"%s\"\n", name);
-                d_status = EXIT_FAILURE;
+                error_msg("unknown object \"%s\"\n", name);
+                h5tools_setstatus(EXIT_FAILURE);
                 ret = FAIL;
         }
     } /* end if */
@@ -1717,8 +1715,8 @@ dump_all_cb(hid_t group, const char *name, const H5L_info_t *linfo, void UNUSED
                 }
 
                 if(H5Lget_val(group, name, targbuf, linfo->u.val_size, H5P_DEFAULT) < 0) {
-                    error_msg(progname, "unable to get link value\n");
-                    d_status = EXIT_FAILURE;
+                    error_msg("unable to get link value\n");
+                    h5tools_setstatus(EXIT_FAILURE);
                     ret = FAIL;
                 } else {
                     /* print the value of a soft link */
@@ -1808,8 +1806,8 @@ dump_all_cb(hid_t group, const char *name, const H5L_info_t *linfo, void UNUSED
                     begin_obj(dump_header_format->extlinkbegin, name, dump_header_format->extlinkblockbegin);
 
                 if(H5Lget_val(group, name, targbuf, linfo->u.val_size, H5P_DEFAULT) < 0) {
-                    error_msg(progname, "unable to get external link value\n");
-                    d_status = EXIT_FAILURE;
+                    error_msg("unable to get external link value\n");
+                    h5tools_setstatus(EXIT_FAILURE);
                     ret = FAIL;
                 } /* end if */
                 else {
@@ -1817,8 +1815,8 @@ dump_all_cb(hid_t group, const char *name, const H5L_info_t *linfo, void UNUSED
                     const char *targname;
 
                     if(H5Lunpack_elink_val(targbuf, linfo->u.val_size, NULL, &filename, &targname) < 0) {
-                        error_msg(progname, "unable to unpack external link value\n");
-                        d_status = EXIT_FAILURE;
+                        error_msg("unable to unpack external link value\n");
+                        h5tools_setstatus(EXIT_FAILURE);
                         ret = FAIL;
                     } /* end if */
                     else {
@@ -1950,20 +1948,20 @@ dump_named_datatype(hid_t tid, const char *name)
 
     if ((tcpl_id = H5Tget_create_plist(tid)) < 0)
     {
-        error_msg(progname, "error in getting creation property list ID\n");
-        d_status = EXIT_FAILURE;
+        error_msg("error in getting creation property list ID\n");
+        h5tools_setstatus(EXIT_FAILURE);
     }
 
     /* query the creation properties for attributes */
     if (H5Pget_attr_creation_order(tcpl_id, &attr_crt_order_flags) < 0)
     {
-        error_msg(progname, "error in getting creation properties\n");
-        d_status = EXIT_FAILURE;
+        error_msg("error in getting creation properties\n");
+        h5tools_setstatus(EXIT_FAILURE);
     }
 
     if(H5Pclose(tcpl_id) < 0) {
-        error_msg(progname, "error in closing creation property list ID\n");
-        d_status = EXIT_FAILURE;
+        error_msg("error in closing creation property list ID\n");
+        h5tools_setstatus(EXIT_FAILURE);
     }
 
 
@@ -1982,9 +1980,9 @@ dump_named_datatype(hid_t tid, const char *name)
         found_obj = search_obj(type_table, oinfo.addr);
 
         if (found_obj == NULL) {
-            error_msg(progname, "internal error (file %s:line %d)\n",
+            error_msg("internal error (file %s:line %d)\n",
                 __FILE__, __LINE__);
-            d_status = EXIT_FAILURE;
+            h5tools_setstatus(EXIT_FAILURE);
             goto done;
         }
         else if (found_obj->displayed) {
@@ -2007,14 +2005,14 @@ dump_named_datatype(hid_t tid, const char *name)
 
     if( (sort_by == H5_INDEX_CRT_ORDER) && (attr_crt_order_flags & H5P_CRT_ORDER_TRACKED)) {
         if(H5Aiterate2(tid, sort_by, sort_order, NULL, dump_attr_cb, NULL) < 0) {
-            error_msg(progname, "error getting attribute information\n");
-            d_status = EXIT_FAILURE;
+            error_msg("error getting attribute information\n");
+            h5tools_setstatus(EXIT_FAILURE);
         } /* end if */
     } /* end if */
     else {
         if(H5Aiterate2(tid, H5_INDEX_NAME, sort_order, NULL, dump_attr_cb, NULL) < 0) {
-            error_msg(progname, "error getting attribute information\n");
-            d_status = EXIT_FAILURE;
+            error_msg("error getting attribute information\n");
+            h5tools_setstatus(EXIT_FAILURE);
         } /* end if */
     } /* end else */
 
@@ -2056,27 +2054,27 @@ dump_group(hid_t gid, const char *name)
 
     if ((gcpl_id = H5Gget_create_plist(gid)) < 0)
     {
-        error_msg(progname, "error in getting group creation property list ID\n");
-        d_status = EXIT_FAILURE;
+        error_msg("error in getting group creation property list ID\n");
+        h5tools_setstatus(EXIT_FAILURE);
     }
 
     /* query the group creation properties for attributes */
     if (H5Pget_attr_creation_order(gcpl_id, &attr_crt_order_flags) < 0)
     {
-        error_msg(progname, "error in getting group creation properties\n");
-        d_status = EXIT_FAILURE;
+        error_msg("error in getting group creation properties\n");
+        h5tools_setstatus(EXIT_FAILURE);
     }
 
     /* query the group creation properties */
     if(H5Pget_link_creation_order(gcpl_id, &crt_order_flags) < 0)
     {
-        error_msg(progname, "error in getting group creation properties\n");
-        d_status = EXIT_FAILURE;
+        error_msg("error in getting group creation properties\n");
+        h5tools_setstatus(EXIT_FAILURE);
     }
 
     if(H5Pclose(gcpl_id) < 0) {
-        error_msg(progname, "error in closing group creation property list ID\n");
-        d_status = EXIT_FAILURE;
+        error_msg("error in closing group creation property list ID\n");
+        h5tools_setstatus(EXIT_FAILURE);
     }
 
 
@@ -2118,9 +2116,9 @@ dump_group(hid_t gid, const char *name)
 
         if (found_obj == NULL) {
             indentation(indent);
-            error_msg(progname, "internal error (file %s:line %d)\n",
+            error_msg("internal error (file %s:line %d)\n",
                 __FILE__, __LINE__);
-            d_status = EXIT_FAILURE;
+            h5tools_setstatus(EXIT_FAILURE);
         }
         else if (found_obj->displayed) {
             indentation(indent);
@@ -2133,14 +2131,14 @@ dump_group(hid_t gid, const char *name)
 
             if((sort_by == H5_INDEX_CRT_ORDER) && (attr_crt_order_flags & H5P_CRT_ORDER_TRACKED)) {
                 if(H5Aiterate2(gid, sort_by, sort_order, NULL, dump_attr_cb, NULL) < 0) {
-                    error_msg(progname, "error getting attribute information\n");
-                    d_status = EXIT_FAILURE;
+                    error_msg("error getting attribute information\n");
+                    h5tools_setstatus(EXIT_FAILURE);
                 } /* end if */
             } /* end if */
             else {
                 if(H5Aiterate2(gid, H5_INDEX_NAME, sort_order, NULL, dump_attr_cb, NULL) < 0) {
-                    error_msg(progname, "error getting attribute information\n");
-                    d_status = EXIT_FAILURE;
+                    error_msg("error getting attribute information\n");
+                    h5tools_setstatus(EXIT_FAILURE);
                 } /* end if */
             } /* end else */
 
@@ -2164,14 +2162,14 @@ dump_group(hid_t gid, const char *name)
 
         if((sort_by == H5_INDEX_CRT_ORDER) && (attr_crt_order_flags & H5P_CRT_ORDER_TRACKED)) {
             if(H5Aiterate2(gid, sort_by, sort_order, NULL, dump_attr_cb, NULL) < 0) {
-                error_msg(progname, "error getting attribute information\n");
-                d_status = EXIT_FAILURE;
+                error_msg("error getting attribute information\n");
+                h5tools_setstatus(EXIT_FAILURE);
             } /* end if */
         } /* end if */
         else {
             if(H5Aiterate2(gid, H5_INDEX_NAME, sort_order, NULL, dump_attr_cb, NULL) < 0) {
-                error_msg(progname, "error getting attribute information\n");
-                d_status = EXIT_FAILURE;
+                error_msg("error getting attribute information\n");
+                h5tools_setstatus(EXIT_FAILURE);
             } /* end if */
         } /* end else */
 
@@ -2218,15 +2216,15 @@ dump_dataset(hid_t did, const char *name, struct subset_t *sset)
 
     if ((dcpl_id = H5Dget_create_plist(did)) < 0)
     {
-        error_msg(progname, "error in getting creation property list ID\n");
-        d_status = EXIT_FAILURE;
+        error_msg("error in getting creation property list ID\n");
+        h5tools_setstatus(EXIT_FAILURE);
     }
 
     /* query the creation properties for attributes */
     if (H5Pget_attr_creation_order(dcpl_id, &attr_crt_order_flags) < 0)
     {
-        error_msg(progname, "error in getting creation properties\n");
-        d_status = EXIT_FAILURE;
+        error_msg("error in getting creation properties\n");
+        h5tools_setstatus(EXIT_FAILURE);
     }
 
     indentation(indent);
@@ -2280,14 +2278,14 @@ dump_dataset(hid_t did, const char *name, struct subset_t *sset)
 
         if( (sort_by == H5_INDEX_CRT_ORDER) && (attr_crt_order_flags & H5P_CRT_ORDER_TRACKED)) {
             if(H5Aiterate2(did, sort_by, sort_order, NULL, dump_attr_cb, NULL) < 0) {
-                error_msg(progname, "error getting attribute information\n");
-                d_status = EXIT_FAILURE;
+                error_msg("error getting attribute information\n");
+                h5tools_setstatus(EXIT_FAILURE);
             } /* end if */
         } /* end if */
         else {
             if(H5Aiterate2(did, H5_INDEX_NAME, sort_order, NULL, dump_attr_cb, NULL) < 0) {
-                error_msg(progname, "error getting attribute information\n");
-                d_status = EXIT_FAILURE;
+                error_msg("error getting attribute information\n");
+                h5tools_setstatus(EXIT_FAILURE);
             } /* end if */
         } /* end else */
 
@@ -2598,8 +2596,8 @@ dump_data(hid_t obj_id, int obj_data, struct subset_t *sset, int display_index)
 
     if (status == FAIL) {
         indentation(indent + COL);
-        error_msg(progname, "unable to print data\n");
-        d_status = EXIT_FAILURE;
+        error_msg("unable to print data\n");
+        h5tools_setstatus(EXIT_FAILURE);
     }
 
     indentation(indent);
@@ -3569,10 +3567,10 @@ handle_datasets(hid_t fid, const char *dset, void *data, int pe, const char *dis
             begin_obj(dump_header_format->datasetbegin, real_name,
                 dump_header_format->datasetblockbegin);
             indentation(COL);
-            error_msg(progname, "unable to open dataset \"%s\"\n", real_name);
+            error_msg("unable to open dataset \"%s\"\n", real_name);
             end_obj(dump_header_format->datasetend,
                 dump_header_format->datasetblockend);
-            d_status = EXIT_FAILURE;
+            h5tools_setstatus(EXIT_FAILURE);
         }
         return;
     } /* end if */
@@ -3639,8 +3637,8 @@ handle_datasets(hid_t fid, const char *dset, void *data, int pe, const char *dis
 
                 if ( sset->stride[i] < sset->block[i] )
                 {
-                    error_msg(progname, "wrong subset selection; blocks overlap\n");
-                    d_status = EXIT_FAILURE;
+                    error_msg("wrong subset selection; blocks overlap\n");
+                    h5tools_setstatus(EXIT_FAILURE);
                     return;
 
                 }
@@ -3674,13 +3672,13 @@ handle_datasets(hid_t fid, const char *dset, void *data, int pe, const char *dis
             }
         }
         else
-            d_status = EXIT_FAILURE;
+            h5tools_setstatus(EXIT_FAILURE);
     }
     else
         dump_dataset(dsetid, real_name, sset);
 
     if(H5Dclose(dsetid) < 0)
-        d_status = EXIT_FAILURE;
+        h5tools_setstatus(EXIT_FAILURE);
 }
 
 /*-------------------------------------------------------------------------
@@ -3716,9 +3714,9 @@ handle_groups(hid_t fid, const char *group, void UNUSED * data, int pe, const ch
         {
             begin_obj(dump_header_format->groupbegin, real_name, dump_header_format->groupblockbegin);
             indentation(COL);
-            error_msg(progname, "unable to open group \"%s\"\n", real_name);
+            error_msg("unable to open group \"%s\"\n", real_name);
             end_obj(dump_header_format->groupend, dump_header_format->groupblockend);
-            d_status = EXIT_FAILURE;
+            h5tools_setstatus(EXIT_FAILURE);
         }
     }
     else
@@ -3736,7 +3734,7 @@ handle_groups(hid_t fid, const char *group, void UNUSED * data, int pe, const ch
         dump_group(gid, real_name);
 
         if(H5Gclose(gid) < 0)
-            d_status = EXIT_FAILURE;
+            h5tools_setstatus(EXIT_FAILURE);
     } /* end else */
 } /* end handle_groups() */
 
@@ -3760,11 +3758,11 @@ handle_links(hid_t fid, const char *links, void UNUSED * data, int UNUSED pe, co
     H5L_info_t linfo;
 
     if(H5Lget_info(fid, links, &linfo, H5P_DEFAULT) < 0) {
-        error_msg(progname, "unable to get link info from \"%s\"\n", links);
-        d_status = EXIT_FAILURE;
+        error_msg("unable to get link info from \"%s\"\n", links);
+        h5tools_setstatus(EXIT_FAILURE);
     } else if(linfo.type == H5L_TYPE_HARD) {
-        error_msg(progname, "\"%s\" is a hard link\n", links);
-        d_status = EXIT_FAILURE;
+        error_msg("\"%s\" is a hard link\n", links);
+        h5tools_setstatus(EXIT_FAILURE);
     } else {
         char *buf = HDmalloc(linfo.u.val_size);
 
@@ -3776,9 +3774,9 @@ handle_links(hid_t fid, const char *links, void UNUSED * data, int UNUSED pe, co
                 if(H5Lget_val(fid, links, buf, linfo.u.val_size, H5P_DEFAULT) >= 0)
                     printf("LINKTARGET \"%s\"\n", buf);
                 else {
-                    error_msg(progname, "h5dump error: unable to get link value for \"%s\"\n",
+                    error_msg("h5dump error: unable to get link value for \"%s\"\n",
                               links);
-                    d_status = EXIT_FAILURE;
+                    h5tools_setstatus(EXIT_FAILURE);
                 }
                 end_obj(dump_header_format->softlinkend,
                         dump_header_format->softlinkblockend);
@@ -3802,12 +3800,12 @@ handle_links(hid_t fid, const char *links, void UNUSED * data, int UNUSED pe, co
                         indentation(COL);
                         printf("TARGETPATH \"%s\"\n", elink_path);
                     } else {
-                        error_msg(progname, "h5dump error: unable to unpack external link value for \"%s\"\n", links);
-                        d_status = EXIT_FAILURE;
+                        error_msg("h5dump error: unable to unpack external link value for \"%s\"\n", links);
+                        h5tools_setstatus(EXIT_FAILURE);
                     }
                 } else {
-                    error_msg(progname, "h5dump error: unable to get external link value for \"%s\"\n", links);
-                    d_status = EXIT_FAILURE;
+                    error_msg("h5dump error: unable to get external link value for \"%s\"\n", links);
+                    h5tools_setstatus(EXIT_FAILURE);
                 }
                 end_obj(dump_header_format->extlinkend,
                         dump_header_format->extlinkblockend);
@@ -3883,10 +3881,10 @@ handle_datatypes(hid_t fid, const char *type, void UNUSED * data, int pe, const
                 begin_obj(dump_header_format->datatypebegin, real_name,
                     dump_header_format->datatypeblockbegin);
                 indentation(COL);
-                error_msg(progname, "unable to open datatype \"%s\"\n", real_name);
+                error_msg("unable to open datatype \"%s\"\n", real_name);
                 end_obj(dump_header_format->datatypeend,
                     dump_header_format->datatypeblockend);
-                d_status = EXIT_FAILURE;
+                h5tools_setstatus(EXIT_FAILURE);
             }
         }
         else
@@ -3903,7 +3901,7 @@ handle_datatypes(hid_t fid, const char *type, void UNUSED * data, int pe, const
         dump_named_datatype(type_id, real_name);
 
         if(H5Tclose(type_id) < 0)
-            d_status = EXIT_FAILURE;
+            h5tools_setstatus(EXIT_FAILURE);
     }
 }
 
@@ -3935,7 +3933,7 @@ parse_command_line(int argc, const char *argv[])
 
      /* no arguments */
     if (argc == 1) {
-        usage(progname);
+        usage(h5tools_getprogname());
         leave(EXIT_FAILURE);
     }
 
@@ -3985,7 +3983,7 @@ parse_start:
             display_char = TRUE;
             break;
         case 'V':
-            print_version(progname);
+            print_version(h5tools_getprogname());
             leave(EXIT_SUCCESS);
             break;
         case 'w':
@@ -4061,13 +4059,13 @@ parse_start:
         case 'o':
             if ( bin_output ) {
                 if (set_output_file(opt_arg, 1) < 0) {
-                    usage(progname);
+                    usage(h5tools_getprogname());
                     leave(EXIT_FAILURE);
                 }
             }
             else {
                 if (set_output_file(opt_arg, 0) < 0) {
-                    usage(progname);
+                    usage(h5tools_getprogname());
                     leave(EXIT_FAILURE);
                 }
             }
@@ -4081,7 +4079,7 @@ parse_start:
             if ( opt_arg != NULL) {
                 if ( ( bin_form = set_binary_form(opt_arg)) < 0) {
                     /* failed to set binary form */
-                    usage(progname);
+                    usage(h5tools_getprogname());
                     leave(EXIT_FAILURE);
                 }
             }
@@ -4089,7 +4087,7 @@ parse_start:
             if (outfname!=NULL) {
                 if (set_output_file(outfname, 1) < 0)  {
                     /* failed to set output file */
-                    usage(progname);
+                    usage(h5tools_getprogname());
                     leave(EXIT_FAILURE);
                 }
 
@@ -4100,7 +4098,7 @@ parse_start:
         case 'q':
             if ( ( sort_by = set_sort_by(opt_arg)) < 0) {
                 /* failed to set "sort by" form */
-                usage(progname);
+                usage(h5tools_getprogname());
                 leave(EXIT_FAILURE);
             }
             break;
@@ -4108,7 +4106,7 @@ parse_start:
         case 'z':
             if ( ( sort_order = set_sort_order(opt_arg)) < 0) {
                 /* failed to set "sort order" form */
-                usage(progname);
+                usage(h5tools_getprogname());
                 leave(EXIT_FAILURE);
             }
             break;
@@ -4146,7 +4144,7 @@ parse_start:
             /* specify XML namespace (default="hdf5:"), or none */
             /* To Do: check format of this value?  */
         if (!useschema) {
-                usage(progname);
+                usage(h5tools_getprogname());
                 leave(EXIT_FAILURE);
         }
         if (strcmp(opt_arg,":") == 0) {
@@ -4165,7 +4163,7 @@ parse_start:
             struct subset_t *s;
 
             if (!last_was_dset) {
-                error_msg(progname,
+                error_msg(h5tools_getprogname(),
                           "option `-%c' can only be used after --dataset option\n",
                           opt);
                 leave(EXIT_FAILURE);
@@ -4213,11 +4211,11 @@ end_collect:
         /** end subsetting parameters **/
 
         case 'h':
-            usage(progname);
+            usage(h5tools_getprogname());
             leave(EXIT_SUCCESS);
         case '?':
         default:
-            usage(progname);
+            usage(h5tools_getprogname());
             leave(EXIT_FAILURE);
         }
     }
@@ -4225,8 +4223,8 @@ end_collect:
 parse_end:
     /* check for file name to be processed */
     if (argc <= opt_ind) {
-        error_msg(progname, "missing file name\n");
-        usage(progname);
+        error_msg("missing file name\n");
+        usage(h5tools_getprogname());
         leave(EXIT_FAILURE);
     }
     return hand;
@@ -4320,6 +4318,8 @@ main(int argc, const char *argv[])
     int                 i;
     unsigned            u;
 
+    h5tools_setprogname(PROGRAMNAME);
+    h5tools_setstatus(EXIT_SUCCESS);
     dump_header_format = &standardformat;
     dump_function_table = &ddl_function_table;
 
@@ -4333,43 +4333,43 @@ main(int argc, const char *argv[])
 
     if ( bin_output && outfname == NULL )
     {
-        error_msg(progname, "binary output requires a file name, use -o <filename>\n");
+        error_msg("binary output requires a file name, use -o <filename>\n");
         leave(EXIT_FAILURE);
     }
 
     /* Check for conflicting options */
     if (doxml) {
         if (!display_all) {
-            error_msg(progname, "option \"%s\" not available for XML\n",
+            error_msg("option \"%s\" not available for XML\n",
                     "to display selected objects");
             leave(EXIT_FAILURE);
         } else if (display_bb) {
-            error_msg(progname, "option \"%s\" not available for XML\n",
+            error_msg("option \"%s\" not available for XML\n",
                     "--boot-block");
             leave(EXIT_FAILURE);
         } else if (display_oid == 1) {
-            error_msg(progname, "option \"%s\" not available for XML\n",
+            error_msg("option \"%s\" not available for XML\n",
                     "--object-ids");
             leave(EXIT_FAILURE);
         } else if (display_char == TRUE) {
-            error_msg(progname, "option \"%s\" not available for XML\n",
+            error_msg("option \"%s\" not available for XML\n",
                     "--string");
             leave(EXIT_FAILURE);
         } else if (usingdasho) {
-            error_msg(progname, "option \"%s\" not available for XML\n",
+            error_msg("option \"%s\" not available for XML\n",
                     "--output");
             leave(EXIT_FAILURE);
         }
     } else {
         if (xml_dtd_uri) {
-            warn_msg(progname, "option \"%s\" only applies with XML: %s\n",
+            warn_msg("option \"%s\" only applies with XML: %s\n",
                      "--xml-dtd", xml_dtd_uri);
         }
     }
 
     if (argc <= opt_ind) {
-        error_msg(progname, "missing file name\n");
-        usage(progname);
+        error_msg("missing file name\n");
+        usage(h5tools_getprogname());
         leave(EXIT_FAILURE);
     }
     fname = HDstrdup(argv[opt_ind]);
@@ -4377,7 +4377,7 @@ main(int argc, const char *argv[])
     fid = h5tools_fopen(fname, H5F_ACC_RDONLY, H5P_DEFAULT, driver, NULL, 0);
 
     if (fid < 0) {
-        error_msg(progname, "unable to open file \"%s\"\n", fname);
+        error_msg("unable to open file \"%s\"\n", fname);
         leave(EXIT_FAILURE);
     }
 
@@ -4403,7 +4403,7 @@ main(int argc, const char *argv[])
             }
         } else {
             if (useschema && strcmp(xmlnsprefix,"")) {
-                error_msg(progname, "Cannot set Schema URL for a qualified namespace--use -X or -U option with -D \n");
+                error_msg("Cannot set Schema URL for a qualified namespace--use -X or -U option with -D \n");
                 leave(EXIT_FAILURE);
             }
         }
@@ -4412,15 +4412,15 @@ main(int argc, const char *argv[])
 
     /* Get object info for root group */
     if(H5Oget_info_by_name(fid, "/", &oi, H5P_DEFAULT) < 0) {
-        error_msg(progname, "internal error (file %s:line %d)\n", __FILE__, __LINE__);
-        d_status = EXIT_FAILURE;
+        error_msg("internal error (file %s:line %d)\n", __FILE__, __LINE__);
+        h5tools_setstatus(EXIT_FAILURE);
         goto done;
     }
 
     /* Initialize object tables */
     if(table_list_add(fid, oi.fileno) < 0) {
-        error_msg(progname, "internal error (file %s:line %d)\n", __FILE__, __LINE__);
-        d_status = EXIT_FAILURE;
+        error_msg("internal error (file %s:line %d)\n", __FILE__, __LINE__);
+        h5tools_setstatus(EXIT_FAILURE);
         goto done;
     }
     group_table = table_list.tables[0].group_table;
@@ -4482,8 +4482,8 @@ main(int argc, const char *argv[])
     {
         if((gid = H5Gopen2(fid, "/", H5P_DEFAULT)) < 0)
         {
-            error_msg(progname, "unable to open root group\n");
-            d_status = EXIT_FAILURE;
+            error_msg("unable to open root group\n");
+            h5tools_setstatus(EXIT_FAILURE);
         }
         else
         {
@@ -4494,8 +4494,8 @@ main(int argc, const char *argv[])
 
         if(H5Gclose(gid) < 0)
         {
-            error_msg(progname, "unable to close root group\n");
-            d_status = EXIT_FAILURE;
+            error_msg("unable to close root group\n");
+            h5tools_setstatus(EXIT_FAILURE);
         }
 
 
@@ -4504,8 +4504,8 @@ main(int argc, const char *argv[])
     {
         /* Note: this option is not supported for XML */
         if(doxml) {
-            error_msg(progname, "internal error (file %s:line %d)\n", __FILE__, __LINE__);
-            d_status = EXIT_FAILURE;
+            error_msg("internal error (file %s:line %d)\n", __FILE__, __LINE__);
+            h5tools_setstatus(EXIT_FAILURE);
             goto done;
         } /* end if */
 
@@ -4525,7 +4525,7 @@ done:
     table_list_free();
 
     if (H5Fclose(fid) < 0)
-        d_status = EXIT_FAILURE;
+        h5tools_setstatus(EXIT_FAILURE);
 
     free_handler(hand, argc);
 
@@ -4536,7 +4536,7 @@ done:
 
     H5Eset_auto2(H5E_DEFAULT, func, edata);
 
-    leave(d_status);
+    leave(h5tools_getstatus());
 }
 
 /*-------------------------------------------------------------------------
@@ -4949,7 +4949,7 @@ xml_print_datatype(hid_t type, unsigned in_group)
             free(dtxid);
         } else {
             printf("<!-- h5dump error: unknown committed type. -->\n");
-            d_status = EXIT_FAILURE;
+            h5tools_setstatus(EXIT_FAILURE);
         }
     } else {
 
@@ -5253,7 +5253,7 @@ xml_print_datatype(hid_t type, unsigned in_group)
 
             default:
                 printf("<!-- unknown datatype -->");
-                d_status = EXIT_FAILURE;
+                h5tools_setstatus(EXIT_FAILURE);
                 break;
         }
     } /* end else */
@@ -5635,7 +5635,7 @@ xml_dump_attr(hid_t attr, const char *attr_name, const H5A_info_t UNUSED *info,
         printf("<!-- h5dump error: unable to open attribute. -->\n");
         indentation(indent);
         printf("</%sAttribute>\n", xmlnsprefix );
-        d_status = EXIT_FAILURE;
+        h5tools_setstatus(EXIT_FAILURE);
         return FAIL;
     }
 }
@@ -5710,9 +5710,9 @@ xml_dump_named_datatype(hid_t type, const char *name)
 
             if (found_obj == NULL) {
                 indentation(indent);
-                    error_msg(progname, "internal error (file %s:line %d)\n",
+                    error_msg("internal error (file %s:line %d)\n",
                               __FILE__, __LINE__);
-                d_status = EXIT_FAILURE;
+                h5tools_setstatus(EXIT_FAILURE);
                 goto done;
             } else if(found_obj->displayed) {
                 /* We have already printed this named datatype, print it as a
@@ -5791,27 +5791,27 @@ xml_dump_group(hid_t gid, const char *name)
 
     if ((gcpl_id = H5Gget_create_plist(gid)) < 0)
     {
-        error_msg(progname, "error in getting group creation property list ID\n");
-        d_status = EXIT_FAILURE;
+        error_msg("error in getting group creation property list ID\n");
+        h5tools_setstatus(EXIT_FAILURE);
     }
 
     /* query the group creation properties for attributes */
     if (H5Pget_attr_creation_order(gcpl_id, &attr_crt_order_flags) < 0)
     {
-        error_msg(progname, "error in getting group creation properties\n");
-        d_status = EXIT_FAILURE;
+        error_msg("error in getting group creation properties\n");
+        h5tools_setstatus(EXIT_FAILURE);
     }
 
     /* query the group creation properties */
     if(H5Pget_link_creation_order(gcpl_id, &crt_order_flags) < 0)
     {
-        error_msg(progname, "error in getting group creation properties\n");
-        d_status = EXIT_FAILURE;
+        error_msg("error in getting group creation properties\n");
+        h5tools_setstatus(EXIT_FAILURE);
     }
 
     if(H5Pclose(gcpl_id) < 0) {
-        error_msg(progname, "error in closing group creation property list ID\n");
-        d_status = EXIT_FAILURE;
+        error_msg("error in closing group creation property list ID\n");
+        h5tools_setstatus(EXIT_FAILURE);
     }
 
     if(HDstrcmp(name, "/") == 0) {
@@ -5843,9 +5843,9 @@ xml_dump_group(hid_t gid, const char *name)
 
         if (found_obj == NULL) {
             indentation(indent);
-                error_msg(progname, "internal error (file %s:line %d)\n",
+                error_msg("internal error (file %s:line %d)\n",
                           __FILE__, __LINE__);
-            d_status = EXIT_FAILURE;
+            h5tools_setstatus(EXIT_FAILURE);
         } else {
             char *t_name = xml_escape_the_name(name);
             char *grpxid = malloc(100);
@@ -5910,14 +5910,14 @@ xml_dump_group(hid_t gid, const char *name)
 
                 if((sort_by == H5_INDEX_CRT_ORDER) && (attr_crt_order_flags & H5P_CRT_ORDER_TRACKED)) {
                     if(H5Aiterate2(gid, sort_by, sort_order, NULL, dump_function_table->dump_attribute_function, NULL) < 0) {
-                        error_msg(progname, "error getting attribute information\n");
-                        d_status = EXIT_FAILURE;
+                        error_msg("error getting attribute information\n");
+                        h5tools_setstatus(EXIT_FAILURE);
                     } /* end if */
                 } /* end if */
                 else {
                     if(H5Aiterate2(gid, H5_INDEX_NAME, sort_order, NULL, dump_function_table->dump_attribute_function, NULL) < 0) {
-                        error_msg(progname, "error getting attribute information\n");
-                        d_status = EXIT_FAILURE;
+                        error_msg("error getting attribute information\n");
+                        h5tools_setstatus(EXIT_FAILURE);
                     } /* end if */
                 } /* end else */
 
@@ -5982,14 +5982,14 @@ xml_dump_group(hid_t gid, const char *name)
 
         if((sort_by == H5_INDEX_CRT_ORDER) && (attr_crt_order_flags & H5P_CRT_ORDER_TRACKED)) {
             if(H5Aiterate2(gid, sort_by, sort_order, NULL, dump_function_table->dump_attribute_function, NULL) < 0) {
-                error_msg(progname, "error getting attribute information\n");
-                d_status = EXIT_FAILURE;
+                error_msg("error getting attribute information\n");
+                h5tools_setstatus(EXIT_FAILURE);
             } /* end if */
         } /* end if */
         else {
             if(H5Aiterate2(gid, H5_INDEX_NAME, sort_order, NULL, dump_function_table->dump_attribute_function, NULL) < 0) {
-                error_msg(progname, "error getting attribute information\n");
-                d_status = EXIT_FAILURE;
+                error_msg("error getting attribute information\n");
+                h5tools_setstatus(EXIT_FAILURE);
             } /* end if */
         } /* end else */
 
@@ -6648,14 +6648,14 @@ xml_dump_dataset(hid_t did, const char *name, struct subset_t UNUSED * sset)
 
     if((sort_by == H5_INDEX_CRT_ORDER) && (attr_crt_order_flags & H5P_CRT_ORDER_TRACKED)) {
         if(H5Aiterate2(did, sort_by, sort_order, NULL, dump_function_table->dump_attribute_function, NULL) < 0) {
-            error_msg(progname, "error getting attribute information\n");
-            d_status = EXIT_FAILURE;
+            error_msg("error getting attribute information\n");
+            h5tools_setstatus(EXIT_FAILURE);
         } /* end if */
     } /* end if */
     else {
         if(H5Aiterate2(did, H5_INDEX_NAME, sort_order, NULL, dump_function_table->dump_attribute_function, NULL) < 0) {
-            error_msg(progname, "error getting attribute information\n");
-            d_status = EXIT_FAILURE;
+            error_msg("error getting attribute information\n");
+            h5tools_setstatus(EXIT_FAILURE);
         } /* end if */
     } /* end else */
 
@@ -7088,7 +7088,7 @@ static int dump_extlink(hid_t group, const char *linkname, const char *objname)
                 handle_datatypes(group, linkname, NULL, 0, objname);
                 break;
             default:
-                d_status = EXIT_FAILURE;
+                h5tools_setstatus(EXIT_FAILURE);
         }
 
         indent -= 2*COL;
@@ -7103,7 +7103,7 @@ static int dump_extlink(hid_t group, const char *linkname, const char *objname)
     } /* end if */
 
     if (H5Idec_ref(oid) < 0)
-        d_status = EXIT_FAILURE;
+        h5tools_setstatus(EXIT_FAILURE);
 
 
     return SUCCEED;
diff --git a/tools/h5dump/h5dumpgentest.c b/tools/h5dump/h5dumpgentest.c
index 45aa53c..6b75aa3 100644
--- a/tools/h5dump/h5dumpgentest.c
+++ b/tools/h5dump/h5dumpgentest.c
@@ -28,6 +28,9 @@
 #include "H5private.h"
 #include "h5tools.h"
 
+/* Name of tool */
+#define PROGRAMNAME "h5dumpgentest"
+
 #define FILE1 "tgroup.h5"
 #define FILE2 "tdset.h5"
 #define FILE3 "tattr.h5"
diff --git a/tools/h5import/h5import.c b/tools/h5import/h5import.c
index 24428cb..82b92d2 100755
--- a/tools/h5import/h5import.c
+++ b/tools/h5import/h5import.c
@@ -23,6 +23,9 @@
 #include "h5tools_utils.h"
 
 
+/* Name of tool */
+#define PROGRAMNAME "h5import"
+
 int main(int argc, char *argv[])
 {
   struct  Options opt;
@@ -42,6 +45,9 @@ int main(int argc, char *argv[])
     const char *err8 = "Invalid size of data - %s.\n";
     const char *err9 = "Cannot specify more than 30 input files in one call to h5import.\n";
 
+    h5tools_setprogname(PROGRAMNAME);
+    h5tools_setstatus(EXIT_SUCCESS);
+
    (void)HDsetvbuf(stderr, (char *) NULL, _IOLBF, 0);
    (void)HDsetvbuf(stdout, (char *) NULL, _IOLBF, 0);
 
diff --git a/tools/h5jam/getub.c b/tools/h5jam/getub.c
index 2fb5833..293aa17 100644
--- a/tools/h5jam/getub.c
+++ b/tools/h5jam/getub.c
@@ -28,7 +28,8 @@ void parse_command_line (int argc, const char *argv[]);
 #define TRUE 1
 #define FALSE 0
 
-static const char *progname="getub";
+/* Name of tool */
+#define PROGRAMNAME "getub"
 char *nbytes = NULL;
 
 static const char *s_opts = "c:";	/* add more later ? */
@@ -89,15 +90,15 @@ parse_command_line (int argc, const char *argv[])
 	  break;
 	case '?':
 	default:
-	  usage (progname);
+	  usage (h5tools_getprogname());
 	  exit (EXIT_FAILURE);
 	}
     }
 
   if (argc <= opt_ind)
     {
-      error_msg (progname, "missing file name\n");
-      usage (progname);
+      error_msg("missing file name\n");
+      usage (h5tools_getprogname());
       exit (EXIT_FAILURE);
     }
 }
@@ -111,19 +112,22 @@ main (int argc, const char *argv[])
   long res;
   char *buf;
 
+  h5tools_setprogname(PROGRAMNAME);
+  h5tools_setstatus(EXIT_SUCCESS);
+
   parse_command_line (argc, argv);
 
   if (nbytes == NULL)
     {
       /* missing arg */
-      error_msg (progname, "missing size\n");
-      usage (progname);
+      error_msg("missing size\n");
+      usage (h5tools_getprogname());
       exit (EXIT_FAILURE);
     }
   if (argc <= (opt_ind))
     {
-      error_msg (progname, "missing file name\n");
-      usage (progname);
+      error_msg("missing file name\n");
+      usage (h5tools_getprogname());
       exit (EXIT_FAILURE);
     }
   filename = HDstrdup (argv[opt_ind]);
@@ -133,15 +137,15 @@ main (int argc, const char *argv[])
   if (res == EOF)
     {
       /* fail */
-      error_msg (progname, "missing file name\n");
-      usage (progname);
+      error_msg("missing file name\n");
+      usage (h5tools_getprogname());
       exit (EXIT_FAILURE);
     }
 
   fd = HDopen (filename, O_RDONLY, 0);
   if (fd < 0)
     {
-      error_msg (progname, "can't open file %s\n", filename);
+      error_msg("can't open file %s\n", filename);
       exit (EXIT_FAILURE);
     }
 
diff --git a/tools/h5jam/h5jam.c b/tools/h5jam/h5jam.c
index cceed75..17b1384 100644
--- a/tools/h5jam/h5jam.c
+++ b/tools/h5jam/h5jam.c
@@ -24,6 +24,9 @@
 #include "H5private.h"
 #include "h5tools_utils.h"
 
+/* Name of tool */
+#define PROGRAMNAME "h5jam"
+
 #define TRUE 1
 #define FALSE 0
 
@@ -32,8 +35,6 @@ hsize_t compute_user_block_size (hsize_t);
 hsize_t copy_some_to_file (int, int, hsize_t, hsize_t, ssize_t);
 void parse_command_line (int, const char *[]);
 
-const char *progname = "h5jam";
-int d_status = EXIT_SUCCESS;
 int do_clobber = FALSE;
 char *output_file = NULL;
 char *input_file = NULL;
@@ -131,14 +132,14 @@ parse_command_line (int argc, const char *argv[])
 	  do_clobber = TRUE;
 	  break;
 	case 'h':
-	  usage (progname);
+	  usage (h5tools_getprogname());
 	  exit (EXIT_SUCCESS);
     case 'V':
-	  print_version (progname);
+	  print_version (h5tools_getprogname());
 	  exit (EXIT_SUCCESS);
 	case '?':
 	default:
-	  usage (progname);
+	  usage (h5tools_getprogname());
 	  exit (EXIT_FAILURE);
 	}
     }
@@ -180,6 +181,9 @@ main (int argc, const char *argv[])
   struct stat sbuf2;
   int res;
 
+  h5tools_setprogname(PROGRAMNAME);
+  h5tools_setstatus(EXIT_SUCCESS);
+
   /* Disable error reporting */
   H5Eget_auto2(H5E_DEFAULT, &func, &edata);
   H5Eset_auto2(H5E_DEFAULT, NULL, NULL);
@@ -189,16 +193,16 @@ main (int argc, const char *argv[])
   if (ub_file == NULL)
     {
       /* no user block */
-      error_msg (progname, "no user block file name\n");
-      usage (progname);
+      error_msg("no user block file name\n");
+      usage (h5tools_getprogname());
       exit (EXIT_FAILURE);
     }
 
   if (input_file == NULL)
     {
       /* no user block */
-      error_msg (progname, "no HDF5 file\n");
-      usage (progname);
+      error_msg("no HDF5 file\n");
+      usage (h5tools_getprogname());
       exit (EXIT_FAILURE);
     }
 
@@ -206,7 +210,7 @@ main (int argc, const char *argv[])
 
   if (testval <= 0)
     {
-      error_msg (progname, "Input HDF5 file is not HDF \"%s\"\n", input_file);
+      error_msg("Input HDF5 file is not HDF \"%s\"\n", input_file);
       exit (EXIT_FAILURE);
     }
 
@@ -214,14 +218,14 @@ main (int argc, const char *argv[])
 
   if (ifile < 0)
     {
-      error_msg (progname, "Can't open input HDF5 file \"%s\"\n", input_file);
+      error_msg("Can't open input HDF5 file \"%s\"\n", input_file);
       exit (EXIT_FAILURE);
     }
 
   plist = H5Fget_create_plist (ifile);
   if (plist < 0)
     {
-      error_msg (progname, "Can't get file creation plist for file \"%s\"\n",
+      error_msg("Can't get file creation plist for file \"%s\"\n",
 		 input_file);
       exit (EXIT_FAILURE);
     }
@@ -229,7 +233,7 @@ main (int argc, const char *argv[])
   status = H5Pget_userblock (plist, &usize);
   if (status < 0)
     {
-      error_msg (progname, "Can't get user block for file \"%s\"\n",
+      error_msg("Can't get user block for file \"%s\"\n",
 		 input_file);
       exit (EXIT_FAILURE);
     }
@@ -241,7 +245,7 @@ main (int argc, const char *argv[])
 
   if (ufid < 0)
     {
-      error_msg (progname, "unable to open user block file \"%s\"\n",
+      error_msg("unable to open user block file \"%s\"\n",
 		 ub_file);
       exit (EXIT_FAILURE);
     }
@@ -250,7 +254,7 @@ main (int argc, const char *argv[])
 
   if (res < 0)
     {
-      error_msg (progname, "Can't stat file \"%s\"\n", ub_file);
+      error_msg("Can't stat file \"%s\"\n", ub_file);
       exit (EXIT_FAILURE);
     }
 
@@ -260,7 +264,7 @@ main (int argc, const char *argv[])
 
   if (h5fid < 0)
     {
-      error_msg (progname, "unable to open HDF5 file for read \"%s\"\n",
+      error_msg("unable to open HDF5 file for read \"%s\"\n",
 		 input_file);
       exit (EXIT_FAILURE);
     }
@@ -269,7 +273,7 @@ main (int argc, const char *argv[])
 
   if (res < 0)
     {
-      error_msg (progname, "Can't stat file \"%s\"\n", input_file);
+      error_msg("Can't stat file \"%s\"\n", input_file);
       exit (EXIT_FAILURE);
     }
 
@@ -281,7 +285,7 @@ main (int argc, const char *argv[])
 
       if (ofid < 0)
 	{
-	  error_msg (progname, "unable to open output file \"%s\"\n",
+	  error_msg("unable to open output file \"%s\"\n",
 		     output_file);
 	  exit (EXIT_FAILURE);
 	}
@@ -292,7 +296,7 @@ main (int argc, const char *argv[])
 
       if (ofid < 0)
 	{
-	  error_msg (progname, "unable to create output file \"%s\"\n",
+	  error_msg("unable to create output file \"%s\"\n",
 		     output_file);
 	  exit (EXIT_FAILURE);
 	}
@@ -346,7 +350,7 @@ main (int argc, const char *argv[])
   HDclose (h5fid);
   HDclose (ofid);
 
-  return d_status;
+  return h5tools_getstatus();
 }
 
 /*-------------------------------------------------------------------------
@@ -395,7 +399,7 @@ copy_some_to_file (int infid, int outfid, hsize_t startin, hsize_t startout,
   if (startin > startout)
     {
       /* this case is prohibited */
-      error_msg (progname, "copy_some_to_file: panic: startin > startout?\n");
+      error_msg("copy_some_to_file: panic: startin > startout?\n");
       exit (EXIT_FAILURE);
     }
 
@@ -405,7 +409,7 @@ copy_some_to_file (int infid, int outfid, hsize_t startin, hsize_t startout,
 
       if (res < 0)
 	{
-	  error_msg (progname, "Can't stat file \n");
+	  error_msg("Can't stat file \n");
 	  exit (EXIT_FAILURE);
 	}
 
diff --git a/tools/h5jam/h5unjam.c b/tools/h5jam/h5unjam.c
index 5e4d864..8e31ce1 100644
--- a/tools/h5jam/h5unjam.c
+++ b/tools/h5jam/h5unjam.c
@@ -26,6 +26,9 @@
 #include "H5private.h"
 #include "h5tools_utils.h"
 
+/* Name of tool */
+#define PROGRAMNAME "h5unjam"
+
 #define TRUE 1
 #define FALSE 0
 #define COPY_BUF_SIZE 1024
@@ -34,8 +37,6 @@ hsize_t write_pad( int , hsize_t );
 hsize_t compute_pad( hsize_t );
 herr_t copy_to_file( int , int , ssize_t, ssize_t );
 
-const char  *progname = "h5unjam";
-int          d_status = EXIT_SUCCESS;
 int do_delete = FALSE;
 char *output_file = NULL;
 char *input_file = NULL;
@@ -125,14 +126,14 @@ parse_command_line(int argc, const char *argv[])
 	  do_delete = TRUE;
 	  break;
     case 'h':
-        usage(progname);
+        usage(h5tools_getprogname());
         exit(EXIT_SUCCESS);
     case 'V':
-        print_version (progname);
+        print_version (h5tools_getprogname());
         exit (EXIT_SUCCESS);
     case '?':
     default:
-        usage(progname);
+        usage(h5tools_getprogname());
         exit(EXIT_FAILURE);
         }
     }
@@ -140,8 +141,8 @@ parse_command_line(int argc, const char *argv[])
     /* check for file name to be processed */
 /*
     if (argc <= opt_ind+2) {
-        error_msg(progname, "missing file name\n");
-        usage(progname);
+        error_msg("missing file name\n");
+        usage(h5tools_getprogname());
         exit(EXIT_FAILURE);
     }
 */
@@ -178,6 +179,9 @@ main(int argc, const char *argv[])
     int res;
     struct stat sbuf;
 
+    h5tools_setprogname(PROGRAMNAME);
+    h5tools_setstatus(EXIT_SUCCESS);
+
     /* Disable error reporting */
     H5Eget_auto2(H5E_DEFAULT, &func, &edata);
     H5Eset_auto2(H5E_DEFAULT, NULL, NULL);
@@ -187,32 +191,32 @@ main(int argc, const char *argv[])
     testval = H5Fis_hdf5(input_file);
 
     if (testval <= 0) {
-        error_msg(progname, "Input HDF5 file is not HDF \"%s\"\n", input_file);
+        error_msg("Input HDF5 file is not HDF \"%s\"\n", input_file);
         exit(EXIT_FAILURE);
     }
 
     ifile = H5Fopen(input_file, H5F_ACC_RDONLY , H5P_DEFAULT);
 
     if (ifile < 0) {
-        error_msg(progname, "Can't open input HDF5 file \"%s\"\n", input_file);
+        error_msg("Can't open input HDF5 file \"%s\"\n", input_file);
         exit(EXIT_FAILURE);
     }
 
     plist = H5Fget_create_plist(ifile);
     if (plist < 0) {
-        error_msg(progname, "Can't get file creation plist for file \"%s\"\n", input_file);
+        error_msg("Can't get file creation plist for file \"%s\"\n", input_file);
         exit(EXIT_FAILURE);
     }
 
     status =  H5Pget_userblock(plist, & usize  );
     if (status < 0) {
-        error_msg(progname, "Can't get user block for file \"%s\"\n", input_file);
+        error_msg("Can't get user block for file \"%s\"\n", input_file);
         exit(EXIT_FAILURE);
     }
 
     if (usize == 0) {
 	/* no user block to remove: message? */
-        error_msg(progname, "\"%s\" has no user block: no change to file\n", input_file);
+        error_msg("\"%s\" has no user block: no change to file\n", input_file);
         exit(EXIT_SUCCESS);
 
     }
@@ -220,7 +224,7 @@ main(int argc, const char *argv[])
     res = stat(input_file, &sbuf);
 
     if (res < 0) {
-        error_msg(progname, "Can't stat file \"%s\"\n", input_file);
+        error_msg("Can't stat file \"%s\"\n", input_file);
         exit(EXIT_FAILURE);
     }
 
@@ -229,12 +233,12 @@ main(int argc, const char *argv[])
     ifid = HDopen(input_file,O_RDONLY,0);
 
     if (ifid < 0) {
-        error_msg(progname, "unable to open input HDF5 file \"%s\"\n", input_file);
+        error_msg("unable to open input HDF5 file \"%s\"\n", input_file);
         exit(EXIT_FAILURE);
     }
 
     if (do_delete && (ub_file != NULL)) {
-            error_msg(progname, "??\"%s\"\n", ub_file);
+            error_msg("??\"%s\"\n", ub_file);
             exit(EXIT_FAILURE);
     }
 
@@ -245,7 +249,7 @@ main(int argc, const char *argv[])
         ufid = HDopen(ub_file,O_WRONLY|O_CREAT|O_TRUNC, 0644 );
 
         if (ufid < 0) {
-            error_msg(progname, "unable to open user block file for output\"%s\"\n", ub_file);
+            error_msg("unable to open user block file for output\"%s\"\n", ub_file);
             exit(EXIT_FAILURE);
         }
     }
@@ -254,14 +258,14 @@ main(int argc, const char *argv[])
         h5fid = HDopen(input_file,O_WRONLY, 0);
 
         if (h5fid < 0) {
-            error_msg(progname, "unable to open output HDF5 file \"%s\"\n", input_file);
+            error_msg("unable to open output HDF5 file \"%s\"\n", input_file);
             exit(EXIT_FAILURE);
         }
     } else {
         h5fid = HDopen(output_file,O_WRONLY|O_CREAT|O_TRUNC, 0644 );
 
         if (h5fid < 0) {
-            error_msg(progname, "unable to open output HDF5 file \"%s\"\n", output_file);
+            error_msg("unable to open output HDF5 file \"%s\"\n", output_file);
             exit(EXIT_FAILURE);
         }
     }
@@ -270,7 +274,7 @@ main(int argc, const char *argv[])
     /* copy from 0 to 'usize - 1' into ufid */
     if (!do_delete) {
 	if(copy_to_file(ifid, ufid, 0, (ssize_t) usize) < 0) {
-            error_msg(progname, "unable to copy user block to output file \"%s\"\n", ub_file);
+            error_msg("unable to copy user block to output file \"%s\"\n", ub_file);
             exit(EXIT_FAILURE);
         }
     }
@@ -279,7 +283,7 @@ main(int argc, const char *argv[])
      * starting at end of user block if present
      */
     if(copy_to_file(ifid, h5fid, (ssize_t) usize, (ssize_t)(fsize - (ssize_t)usize)) < 0) {
-        error_msg(progname, "unable to copy hdf5 data to output file \"%s\"\n", output_file);
+        error_msg("unable to copy hdf5 data to output file \"%s\"\n", output_file);
         exit(EXIT_FAILURE);
     }
 
@@ -288,7 +292,7 @@ main(int argc, const char *argv[])
     HDclose(h5fid);
     HDclose(ifid);
 
-    return d_status;
+    return h5tools_getstatus();
 }
 
 /*
diff --git a/tools/h5jam/tellub.c b/tools/h5jam/tellub.c
index d39b958..2cf30e2 100644
--- a/tools/h5jam/tellub.c
+++ b/tools/h5jam/tellub.c
@@ -26,7 +26,8 @@
 #define TRUE 1
 #define FALSE 0
 
-const char *progname = "tellub";
+/* Name of tool */
+#define PROGRAMNAME "tellub"
 
 /*
  * Command-line options: The user can specify short or long-named
@@ -91,11 +92,11 @@ parse_command_line (int argc, const char *argv[])
       switch ((char) opt)
 	{
 	case 'h':
-	  usage (progname);
+	  usage (h5tools_getprogname());
 	  exit (EXIT_SUCCESS);
 	case '?':
 	default:
-	  usage (progname);
+	  usage (h5tools_getprogname());
 	  exit (EXIT_FAILURE);
 	}
     }
@@ -103,8 +104,8 @@ parse_command_line (int argc, const char *argv[])
   /* check for file name to be processed */
   if (argc <= opt_ind)
     {
-      error_msg (progname, "missing file name\n");
-      usage (progname);
+      error_msg(h5tools_getprogname(), "missing file name\n");
+      usage (h5tools_getprogname());
       exit (EXIT_FAILURE);
     }
 }
@@ -135,6 +136,9 @@ main (int argc, const char *argv[])
   herr_t status;
   hid_t plist;
 
+  h5tools_setprogname(PROGRAMNAME);
+  h5tools_setstatus(EXIT_SUCCESS);
+
   /* Disable error reporting */
   H5Eget_auto2(H5E_DEFAULT, &func, &edata);
   H5Eset_auto2(H5E_DEFAULT, NULL, NULL);
@@ -143,8 +147,8 @@ main (int argc, const char *argv[])
 
   if (argc <= (opt_ind))
     {
-      error_msg (progname, "missing file name\n");
-      usage (progname);
+      error_msg("missing file name\n");
+      usage (h5tools_getprogname());
       return (EXIT_FAILURE);
     }
 
@@ -154,7 +158,7 @@ main (int argc, const char *argv[])
 
   if (testval <= 0)
     {
-      error_msg (progname, "Input HDF5 file is not HDF \"%s\"\n", ifname);
+      error_msg("Input HDF5 file is not HDF \"%s\"\n", ifname);
       return (EXIT_FAILURE);
     }
 
@@ -162,14 +166,14 @@ main (int argc, const char *argv[])
 
   if (ifile < 0)
     {
-      error_msg (progname, "Can't open input HDF5 file \"%s\"\n", ifname);
+      error_msg("Can't open input HDF5 file \"%s\"\n", ifname);
       return (EXIT_FAILURE);
     }
 
   plist = H5Fget_create_plist (ifile);
   if (plist < 0)
     {
-      error_msg (progname, "Can't get file creation plist for file \"%s\"\n",
+      error_msg("Can't get file creation plist for file \"%s\"\n",
 		 ifname);
       return (EXIT_FAILURE);
     }
@@ -177,7 +181,7 @@ main (int argc, const char *argv[])
   status = H5Pget_userblock (plist, &usize);
   if (status < 0)
     {
-      error_msg (progname, "Can't get user block for file \"%s\"\n", ifname);
+      error_msg("Can't get user block for file \"%s\"\n", ifname);
       return (EXIT_FAILURE);
     }
 
diff --git a/tools/h5ls/h5ls.c b/tools/h5ls/h5ls.c
index ab3a110..c856642 100644
--- a/tools/h5ls/h5ls.c
+++ b/tools/h5ls/h5ls.c
@@ -29,6 +29,9 @@
 #include "h5tools_utils.h"
 #include "h5trav.h"
 
+/* Name of tool */
+#define PROGRAMNAME "h5ls"
+
 #define NAME_BUF_SIZE   2048
 
 /* Struct to keep track of external link targets visited */
@@ -88,9 +91,6 @@ static struct dispatch_t {
 static void display_type(hid_t type, int ind);
 static herr_t visit_obj(hid_t file, const char *oname, iter_t *iter);
 
-const char *progname="h5ls";
-int   d_status;
-
 
 /*-------------------------------------------------------------------------
  * Function: usage
@@ -135,7 +135,7 @@ usage: %s [OPTIONS] [OBJECTS...]\n\
       within the file then the contents of the root group are displayed).\n\
       The file name may include a printf(3C) integer format such as\n\
       \"%%05d\" to open a file family.\n",
-     progname);
+     h5tools_getprogname());
 }
 
 
@@ -2182,6 +2182,9 @@ main(int argc, const char *argv[])
     const char *preferred_driver = NULL;
     int err_openfile = 0;
 
+    h5tools_setprogname(PROGRAMNAME);
+    h5tools_setstatus(EXIT_SUCCESS);
+
     /* Initialize h5tools lib */
     h5tools_init();
 
@@ -2249,7 +2252,7 @@ main(int argc, const char *argv[])
         } else if(!HDstrcmp(argv[argno], "--verbose")) {
             verbose_g++;
         } else if(!HDstrcmp(argv[argno], "--version")) {
-            print_version(progname);
+            print_version(h5tools_getprogname());
             leave(EXIT_SUCCESS);
         } else if(!HDstrcmp(argv[argno], "--hexdump")) {
             hexdump_g = TRUE;
@@ -2325,7 +2328,7 @@ main(int argc, const char *argv[])
                         break;
 
                     case 'V': /* --version */
-                        print_version(progname);
+                        print_version(h5tools_getprogname());
                         leave(EXIT_SUCCESS);
 
                     case 'x': /* --hexdump */
diff --git a/tools/h5repack/h5repack.c b/tools/h5repack/h5repack.c
index 8d10a57..da1fbf3 100644
--- a/tools/h5repack/h5repack.c
+++ b/tools/h5repack/h5repack.c
@@ -22,10 +22,6 @@
 #include "h5tools.h"
 #include "h5tools_utils.h"
 
-
-extern char  *progname;
-
-
 /*-------------------------------------------------------------------------
 * File: h5repack.c
 * Purpose: Public API functions
@@ -160,7 +156,7 @@ int h5repack_addfilter(const char* str,
 
         if(options->n_filter_g > H5_REPACK_MAX_NFILTERS)
         {
-            error_msg(progname, "maximum number of filters exceeded for <%s>\n", str);
+            error_msg("maximum number of filters exceeded for <%s>\n", str);
             free(obj_list);
             return -1;
         }
@@ -198,7 +194,7 @@ int h5repack_addlayout(const char* str,
     init_packobject(&pack);
 
     if (options->all_layout==1){
-        error_msg(progname, "invalid layout input: 'all' option \
+        error_msg("invalid layout input: 'all' option \
                             is present with other objects <%s>\n",str);
         return -1;
     }
@@ -617,7 +613,7 @@ static int check_options(pack_opt_t *options)
                 break;
             case H5D_LAYOUT_ERROR:
             case H5D_NLAYOUTS:
-                error_msg(progname, "invalid layout\n");
+                error_msg("invalid layout\n");
                 return -1;
             default:
                 strcpy(slayout,"invalid layout\n");
@@ -658,7 +654,7 @@ static int check_options(pack_opt_t *options)
 
     if (options->all_layout==1 && has_ck)
     {
-        error_msg(progname, "invalid chunking input: 'all' option\
+        error_msg("invalid chunking input: 'all' option\
                             is present with other objects\n");
         return -1;
     }
@@ -720,7 +716,7 @@ static int check_options(pack_opt_t *options)
 
     if (options->all_filter==1 && has_cp)
     {
-        error_msg(progname, "invalid compression input: 'all' option\
+        error_msg("invalid compression input: 'all' option\
                             is present with other objects\n");
         return -1;
     }
@@ -732,24 +728,24 @@ static int check_options(pack_opt_t *options)
 
     if (options->grp_compact < 0)
     {
-        error_msg(progname, "invalid maximum number of links to store as header messages\n");
+        error_msg("invalid maximum number of links to store as header messages\n");
         return -1;
     }
     if (options->grp_indexed < 0)
     {
-        error_msg(progname, "invalid minimum number of links to store in the indexed format\n");
+        error_msg("invalid minimum number of links to store in the indexed format\n");
         return -1;
     }
     if (options->grp_indexed > options->grp_compact)
     {
-        error_msg(progname, "minimum indexed size is greater than the maximum compact size\n");
+        error_msg("minimum indexed size is greater than the maximum compact size\n");
         return -1;
     }
     for (i=0; i<8; i++)
     {
         if (options->msg_size[i]<0)
         {
-            error_msg(progname, "invalid shared message size\n");
+            error_msg("invalid shared message size\n");
             return -1;
         }
     }
@@ -771,7 +767,7 @@ static int check_options(pack_opt_t *options)
 
     if ( options->ublock_filename == NULL && options->ublock_size != 0 )
     {
-        error_msg(progname, "file name missing for user block\n",
+        error_msg("file name missing for user block\n",
             options->ublock_filename);
         return -1;
     }
@@ -784,7 +780,7 @@ static int check_options(pack_opt_t *options)
 
     if ( options->alignment == 0 && options->threshold != 0 )
     {
-        error_msg(progname, "alignment for H5Pset_alignment missing\n");
+        error_msg("alignment for H5Pset_alignment missing\n");
         return -1;
     }
 
@@ -856,7 +852,7 @@ static int check_objects(const char* fname,
         /* the input object names are present in the file and are valid */
         if(h5trav_getindext(name, travt) < 0)
         {
-            error_msg(progname, "%s Could not find <%s> in file <%s>. Exiting...\n",
+            error_msg("%s Could not find <%s> in file <%s>. Exiting...\n",
                 (options->verbose?"\n":""),name,fname);
             goto out;
         }
@@ -978,7 +974,7 @@ static const char* get_sfilter(H5Z_filter_t filtn)
     else if (filtn==H5Z_FILTER_SCALEOFFSET)
         return "SOFF";
     else {
-        error_msg(progname, "input error in filter type\n");
+        error_msg("input error in filter type\n");
         exit(EXIT_FAILURE);
     }
 }
diff --git a/tools/h5repack/h5repack_copy.c b/tools/h5repack/h5repack_copy.c
index 12fdabc..c3475aa 100644
--- a/tools/h5repack/h5repack_copy.c
+++ b/tools/h5repack/h5repack_copy.c
@@ -30,7 +30,6 @@
 * globals
 *-------------------------------------------------------------------------
 */
-extern char  *progname;
 
 /*-------------------------------------------------------------------------
 * macros
@@ -90,7 +89,7 @@ int copy_objects(const char* fnamein,
     */
     if((fidin = h5tools_fopen(fnamein, H5F_ACC_RDONLY, H5P_DEFAULT, NULL, NULL, (size_t)0)) < 0)
     {
-        error_msg(progname, "<%s>: %s\n", fnamein, H5FOPENERROR );
+        error_msg("<%s>: %s\n", fnamein, H5FOPENERROR );
         goto out;
     }
 
@@ -100,13 +99,13 @@ int copy_objects(const char* fnamein,
 
         if((fcpl_in = H5Fget_create_plist(fidin)) < 0)
         {
-            error_msg(progname, "failed to retrieve file creation property list\n");
+            error_msg("failed to retrieve file creation property list\n");
             goto out;
         }
 
         if(H5Pget_userblock(fcpl_in, &ub_size) < 0)
         {
-            error_msg(progname, "failed to retrieve userblock size\n");
+            error_msg("failed to retrieve userblock size\n");
             goto out;
         }
 
@@ -114,7 +113,7 @@ int copy_objects(const char* fnamein,
 	{
 	   if(H5Pget_file_space(fcpl_in, &options->fs_strategy, NULL) < 0)
 	   {
-		error_msg(progname, "failed to retrieve file space strategy\n");
+		error_msg("failed to retrieve file space strategy\n");
 		goto out;
 	   }
 	}
@@ -123,14 +122,14 @@ int copy_objects(const char* fnamein,
 	{
 	   if(H5Pget_file_space(fcpl_in, NULL, &options->fs_threshold) < 0)
 	   {
-		error_msg(progname, "failed to retrieve file space threshold\n");
+		error_msg("failed to retrieve file space threshold\n");
 		goto out;
 	   }
 	}
 
         if(H5Pclose(fcpl_in) < 0)
         {
-            error_msg(progname, "failed to close property list\n");
+            error_msg("failed to close property list\n");
             goto out;
         }
     }
@@ -141,7 +140,7 @@ int copy_objects(const char* fnamein,
         /* Create file creation property list */
         if((fcpl = H5Pcreate(H5P_FILE_CREATE)) < 0)
         {
-            error_msg(progname, "fail to create a file creation property list\n");
+            error_msg("fail to create a file creation property list\n");
             goto out;
         }
 
@@ -149,7 +148,7 @@ int copy_objects(const char* fnamein,
         {
             if(H5Pset_userblock(fcpl, ub_size) < 0)
             {
-                error_msg(progname, "failed to set non-default userblock size\n");
+                error_msg("failed to set non-default userblock size\n");
                 goto out;
             }
         }
@@ -162,7 +161,7 @@ int copy_objects(const char* fnamein,
             /* (So that it is created in "dense storage" form) */
             if(H5Pset_link_phase_change(fcpl, (unsigned)options->grp_compact, (unsigned)options->grp_indexed) < 0)
             {
-                error_msg(progname, "fail to adjust group creation parameters for root group\n");
+                error_msg("fail to adjust group creation parameters for root group\n");
                 goto out;
             }
 
@@ -204,7 +203,7 @@ int copy_objects(const char* fnamein,
             {
                 if(H5Pset_shared_mesg_nindexes(fcpl, nindex) < 0)
                 {
-                    error_msg(progname, "fail to set the number of shared object header message indexes\n");
+                    error_msg("fail to set the number of shared object header message indexes\n");
                     goto out;
                 }
 
@@ -212,7 +211,7 @@ int copy_objects(const char* fnamein,
                 for(i = 0; i < (nindex - 1); i++)
                 {
                     if(H5Pset_shared_mesg_index(fcpl, i, mesg_type_flags[i], min_mesg_sizes[i]) < 0) {
-                        error_msg(progname, "fail to configure the specified shared object header message index\n");
+                        error_msg("fail to configure the specified shared object header message index\n");
                         goto out;
                     } /* end if */
                 } /* end for */
@@ -221,13 +220,13 @@ int copy_objects(const char* fnamein,
             /* Create file access property list */
             if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
             {
-                error_msg(progname, "Could not create file access property list\n");
+                error_msg("Could not create file access property list\n");
                 goto out;
             } /* end if */
 
             if(H5Pset_libver_bounds(fapl, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0)
             {
-                error_msg(progname, "Could not set property for using latest version of the format\n");
+                error_msg("Could not set property for using latest version of the format\n");
                 goto out;
             } /* end if */
         } /* end if */
@@ -254,7 +253,7 @@ int copy_objects(const char* fnamein,
             /* set user block size */
             if(H5Pset_userblock(fcpl, options->ublock_size) < 0)
             {
-                error_msg(progname, "failed to set userblock size\n");
+                error_msg("failed to set userblock size\n");
                 goto out;
             }
 
@@ -266,14 +265,14 @@ int copy_objects(const char* fnamein,
             /* create a file creation property list */
             if((fcpl = H5Pcreate(H5P_FILE_CREATE)) < 0)
             {
-                error_msg(progname, "fail to create a file creation property list\n");
+                error_msg("fail to create a file creation property list\n");
                 goto out;
             }
 
             /* set user block size */
             if(H5Pset_userblock(fcpl, options->ublock_size) < 0)
             {
-                error_msg(progname, "failed to set userblock size\n");
+                error_msg("failed to set userblock size\n");
                 goto out;
             }
 
@@ -298,7 +297,7 @@ int copy_objects(const char* fnamein,
 
             if (H5Pset_alignment(fapl, options->threshold, options->alignment) < 0)
             {
-                error_msg(progname, "failed to set alignment\n");
+                error_msg("failed to set alignment\n");
                 goto out;
             }
 
@@ -310,13 +309,13 @@ int copy_objects(const char* fnamein,
             /* create a file access property list */
             if ((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
             {
-                error_msg(progname, "Could not create file access property list\n");
+                error_msg("Could not create file access property list\n");
                 goto out;
             }
 
             if (H5Pset_alignment(fapl, options->threshold, options->alignment) < 0)
             {
-                error_msg(progname, "failed to set alignment\n");
+                error_msg("failed to set alignment\n");
                 goto out;
             }
 
@@ -330,7 +329,7 @@ int copy_objects(const char* fnamein,
 	/* set file space strategy and free space threshold */
 	if(H5Pset_file_space(fcpl, options->fs_strategy, options->fs_threshold) < 0)
 	{
-	    error_msg(progname, "failed to set file space strategy & threshold\n");
+	    error_msg("failed to set file space strategy & threshold\n");
 	    goto out;
 	}
     }
@@ -339,14 +338,14 @@ int copy_objects(const char* fnamein,
 	/* create a file creation property list */
 	if((fcpl = H5Pcreate(H5P_FILE_CREATE)) < 0)
 	{
-	    error_msg(progname, "fail to create a file creation property list\n");
+	    error_msg("fail to create a file creation property list\n");
 	    goto out;
 	}
 
 	/* set file space strategy and free space threshold */
 	if(H5Pset_file_space(fcpl, options->fs_strategy, options->fs_threshold) < 0)
 	{
-	    error_msg(progname, "failed to set file space strategy & threshold \n");
+	    error_msg("failed to set file space strategy & threshold \n");
 	    goto out;
 	}
     }
@@ -363,7 +362,7 @@ int copy_objects(const char* fnamein,
 
     if((fidout = H5Fcreate(fnameout,H5F_ACC_TRUNC, fcpl, fapl)) < 0)
     {
-        error_msg(progname, "<%s>: Could not create file\n", fnameout );
+        error_msg("<%s>: Could not create file\n", fnameout );
         goto out;
     }
 
@@ -376,7 +375,7 @@ int copy_objects(const char* fnamein,
     {
         if ( copy_user_block( options->ublock_filename, fnameout, options->ublock_size) < 0 )
         {
-            error_msg(progname, "Could not copy user block. Exiting...\n");
+            error_msg("Could not copy user block. Exiting...\n");
             goto out;
 
         }
@@ -400,7 +399,7 @@ int copy_objects(const char* fnamein,
     */
     if(do_copy_objects(fidin, fidout, travt, options) < 0)
     {
-        error_msg(progname, "<%s>: Could not copy data to: %s\n", fnamein, fnameout);
+        error_msg("<%s>: Could not copy data to: %s\n", fnamein, fnameout);
         goto out;
     } /* end if */
 
@@ -442,7 +441,7 @@ int copy_objects(const char* fnamein,
     {
         if ( copy_user_block(fnamein, fnameout, ub_size) < 0 )
         {
-            error_msg(progname, "Could not copy user block. Exiting...\n");
+            error_msg("Could not copy user block. Exiting...\n");
             goto out;
 
         }
@@ -1406,19 +1405,19 @@ void print_user_block(const char *filename, hid_t fid)
     /* get user block size */
     if(( fcpl = H5Fget_create_plist(fid)) < 0)
     {
-        error_msg(progname, "failed to retrieve file creation property list\n");
+        error_msg("failed to retrieve file creation property list\n");
         goto done;
     }
 
     if(H5Pget_userblock(fcpl, &ub_size) < 0)
     {
-        error_msg(progname, "failed to retrieve userblock size\n");
+        error_msg("failed to retrieve userblock size\n");
         goto done;
     }
 
     if(H5Pclose(fcpl) < 0)
     {
-        error_msg(progname, "failed to close property list\n");
+        error_msg("failed to close property list\n");
         goto done;
     }
 
diff --git a/tools/h5repack/h5repack_filters.c b/tools/h5repack/h5repack_filters.c
index c7d8b1e..d4a3479 100644
--- a/tools/h5repack/h5repack_filters.c
+++ b/tools/h5repack/h5repack_filters.c
@@ -14,6 +14,7 @@
  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 
 #include "h5repack.h"
+#include "h5test.h"
 #include "h5tools.h"
 
 /* number of members in an array */
diff --git a/tools/h5repack/h5repack_main.c b/tools/h5repack/h5repack_main.c
index a95c4c4..7d2fc62 100644
--- a/tools/h5repack/h5repack_main.c
+++ b/tools/h5repack/h5repack_main.c
@@ -20,6 +20,8 @@
 #include "h5tools_utils.h"
 #include "h5repack.h"
 
+/* Name of tool */
+#define PROGRAMNAME "h5repack"
 
 static void usage(const char *prog);
 static void parse_command_line(int argc, const char **argv, pack_opt_t* options);
@@ -27,8 +29,6 @@ static void read_info(const char *filename,pack_opt_t *options);
 
 
 /* module-scoped variables */
-const char  *progname = "h5repack";
-int         d_status = EXIT_SUCCESS;
 static int  has_i_o = 0;
 const char  *infile  = NULL;
 const char  *outfile = NULL;
@@ -107,6 +107,9 @@ int main(int argc, const char **argv)
     pack_opt_t    options;            /*the global options */
     int           ret=-1;
 
+    h5tools_setprogname(PROGRAMNAME);
+    h5tools_setstatus(EXIT_SUCCESS);
+
     /* initialize options  */
     h5repack_init(&options, 0, 0, (hsize_t)0);
 
@@ -123,8 +126,8 @@ int main(int argc, const char **argv)
 
             if ( strcmp( infile, outfile ) == 0 )
             {
-                error_msg(progname, "file names cannot be the same\n");
-                usage(progname);
+                error_msg("file names cannot be the same\n");
+                usage(h5tools_getprogname());
                 exit(EXIT_FAILURE);
 
             }
@@ -132,8 +135,8 @@ int main(int argc, const char **argv)
 
         else
         {
-            error_msg(progname, "file names missing\n");
-            usage(progname);
+            error_msg("file names missing\n");
+            usage(h5tools_getprogname());
             exit(EXIT_FAILURE);
         }
     }
@@ -316,10 +319,10 @@ void parse_command_line(int argc, const char **argv, pack_opt_t* options)
 
 
         case 'h':
-            usage(progname);
+            usage(h5tools_getprogname());
             exit(EXIT_SUCCESS);
         case 'V':
-            print_version(progname);
+            print_version(h5tools_getprogname());
             exit(EXIT_SUCCESS);
         case 'v':
             options->verbose = 1;
@@ -329,7 +332,7 @@ void parse_command_line(int argc, const char **argv, pack_opt_t* options)
             /* parse the -f filter option */
             if (h5repack_addfilter( opt_arg, options)<0)
             {
-                error_msg(progname, "in parsing filter\n");
+                error_msg("in parsing filter\n");
                 exit(EXIT_FAILURE);
             }
             break;
@@ -338,7 +341,7 @@ void parse_command_line(int argc, const char **argv, pack_opt_t* options)
             /* parse the -l layout option */
             if (h5repack_addlayout( opt_arg, options)<0)
             {
-                error_msg(progname, "in parsing layout\n");
+                error_msg("in parsing layout\n");
                 exit(EXIT_FAILURE);
             }
             break;
@@ -349,7 +352,7 @@ void parse_command_line(int argc, const char **argv, pack_opt_t* options)
             options->min_comp = atoi( opt_arg );
             if ((int)options->min_comp<=0)
             {
-                error_msg(progname, "invalid minimum compress size <%s>\n", opt_arg );
+                error_msg("invalid minimum compress size <%s>\n", opt_arg );
                 exit(EXIT_FAILURE);
             }
             break;
@@ -442,7 +445,7 @@ void parse_command_line(int argc, const char **argv, pack_opt_t* options)
             options->alignment = atol( opt_arg );
             if ( options->alignment < 1 )
             {
-                error_msg(progname, "invalid alignment size\n", opt_arg );
+                error_msg("invalid alignment size\n", opt_arg );
                 exit(EXIT_FAILURE);
             }
             break;
@@ -461,7 +464,7 @@ void parse_command_line(int argc, const char **argv, pack_opt_t* options)
             else if(!strcmp(strategy, "VFD"))
                 options->fs_strategy = H5F_FILE_SPACE_VFD;
             else {
-                error_msg(progname, "invalid file space management strategy\n", opt_arg );
+                error_msg("invalid file space management strategy\n", opt_arg );
                 exit(EXIT_FAILURE);
             }
             break;
@@ -481,8 +484,8 @@ void parse_command_line(int argc, const char **argv, pack_opt_t* options)
         /* check for file names to be processed */
         if (argc <= opt_ind || argv[ opt_ind + 1 ] == NULL)
         {
-            error_msg(progname, "missing file names\n");
-            usage(progname);
+            error_msg("missing file names\n");
+            usage(h5tools_getprogname());
             exit(EXIT_FAILURE);
         }
     }
@@ -515,7 +518,7 @@ void read_info(const char *filename,
     int  i, rc=1;
 
     if ((fp = fopen(filename, "r")) == (FILE *)NULL) {
-        error_msg(progname, "cannot open options file %s\n", filename);
+        error_msg("cannot open options file %s\n", filename);
         exit(EXIT_FAILURE);
     }
 
@@ -552,7 +555,7 @@ void read_info(const char *filename,
             comp_info[i-1]='\0'; /*cut the last " */
 
             if (h5repack_addfilter(comp_info,options)==-1){
-                error_msg(progname, "could not add compression option\n");
+                error_msg("could not add compression option\n");
                 exit(EXIT_FAILURE);
             }
         }
@@ -582,7 +585,7 @@ void read_info(const char *filename,
             comp_info[i-1]='\0'; /*cut the last " */
 
             if (h5repack_addlayout(comp_info,options)==-1){
-                error_msg(progname, "could not add chunck option\n");
+                error_msg("could not add chunck option\n");
                 exit(EXIT_FAILURE);
             }
         }
@@ -591,7 +594,7 @@ void read_info(const char *filename,
         *-------------------------------------------------------------------------
         */
         else {
-            error_msg(progname, "bad file format for %s", filename);
+            error_msg("bad file format for %s", filename);
             exit(EXIT_FAILURE);
         }
     }
diff --git a/tools/h5repack/h5repack_opttable.c b/tools/h5repack/h5repack_opttable.c
index 7c87359..50f97bd 100644
--- a/tools/h5repack/h5repack_opttable.c
+++ b/tools/h5repack/h5repack_opttable.c
@@ -18,8 +18,6 @@
 #include "h5repack.h"
 #include "h5tools_utils.h"
 
-extern char  *progname;
-
 /*-------------------------------------------------------------------------
  * Function: init_packobject
  *
@@ -67,7 +65,7 @@ static void aux_tblinsert_filter(pack_opttbl_t *table,
     }
     else
     {
-    error_msg(progname, "cannot insert the filter in this object.\
+    error_msg("cannot insert the filter in this object.\
         Maximum capacity exceeded\n");
     }
 }
@@ -126,7 +124,7 @@ static int aux_inctable(pack_opttbl_t *table, int n_objs )
     table->size += n_objs;
     table->objs = (pack_info_t*)realloc(table->objs, table->size * sizeof(pack_info_t));
     if (table->objs==NULL) {
-        error_msg(progname, "not enough memory for options table\n");
+        error_msg("not enough memory for options table\n");
         return -1;
     }
     for (i = table->nelems; i < table->size; i++)
@@ -153,7 +151,7 @@ int options_table_init( pack_opttbl_t **tbl )
 
     if(NULL == (table = (pack_opttbl_t *)malloc(sizeof(pack_opttbl_t))))
     {
-        error_msg(progname, "not enough memory for options table\n");
+        error_msg("not enough memory for options table\n");
         return -1;
     }
 
@@ -161,7 +159,7 @@ int options_table_init( pack_opttbl_t **tbl )
     table->nelems = 0;
     if(NULL == (table->objs = (pack_info_t*)malloc(table->size * sizeof(pack_info_t))))
     {
-        error_msg(progname, "not enough memory for options table\n");
+        error_msg("not enough memory for options table\n");
         free(table);
         return -1;
     }
@@ -232,7 +230,7 @@ int options_add_layout( obj_list_t *obj_list,
                     /* already chunk info inserted for this one; exit */
                     if (table->objs[i].chunk.rank>0)
                     {
-                        error_msg(progname, "chunk information already inserted for <%s>\n",obj_list[j].obj);
+                        error_msg("chunk information already inserted for <%s>\n",obj_list[j].obj);
                         exit(EXIT_FAILURE);
                     }
                     /* insert the layout info */
diff --git a/tools/h5repack/h5repack_parse.c b/tools/h5repack/h5repack_parse.c
index 2d8f040..d3a7419 100644
--- a/tools/h5repack/h5repack_parse.c
+++ b/tools/h5repack/h5repack_parse.c
@@ -21,8 +21,6 @@
 #include "h5repack.h"
 #include "h5tools_utils.h"
 
-extern char  *progname;
-
 /*-------------------------------------------------------------------------
  * Function: parse_filter
  *
@@ -98,7 +96,7 @@ obj_list_t* parse_filter(const char *str,
     obj_list = (obj_list_t*) malloc(n*sizeof(obj_list_t));
     if (obj_list==NULL)
     {
-        error_msg(progname, "could not allocate object list\n");
+        error_msg("could not allocate object list\n");
         return NULL;
     }
     *n_objs=n;
@@ -121,7 +119,7 @@ obj_list_t* parse_filter(const char *str,
     if (end_obj+1==(int)len)
     {
         if (obj_list) free(obj_list);
-        error_msg(progname, "input Error: Invalid compression type in <%s>\n",str);
+        error_msg("input Error: Invalid compression type in <%s>\n",str);
         exit(EXIT_FAILURE);
     }
 
@@ -159,7 +157,7 @@ obj_list_t* parse_filter(const char *str,
                         c = str[u];
                         if (!isdigit(c) && l==-1){
                             if (obj_list) free(obj_list);
-                            error_msg(progname, "compression parameter not digit in <%s>\n",str);
+                            error_msg("compression parameter not digit in <%s>\n",str);
                             exit(EXIT_FAILURE);
                         }
                         if (l==-1)
@@ -179,7 +177,7 @@ obj_list_t* parse_filter(const char *str,
                                     filt->cd_values[j++]=H5_SZIP_EC_OPTION_MASK;
                                 else
                                 {
-                                    error_msg(progname, "szip mask must be 'NN' or 'EC' \n");
+                                    error_msg("szip mask must be 'NN' or 'EC' \n");
                                     exit(EXIT_FAILURE);
                                 }
 
@@ -219,7 +217,7 @@ obj_list_t* parse_filter(const char *str,
                         c = str[u];
                         if (!isdigit(c) && l==-1){
                             if (obj_list) free(obj_list);
-                            error_msg(progname, "compression parameter is not a digit in <%s>\n",str);
+                            error_msg("compression parameter is not a digit in <%s>\n",str);
                             exit(EXIT_FAILURE);
                         }
                         if (l==-1)
@@ -239,7 +237,7 @@ obj_list_t* parse_filter(const char *str,
                                     filt->cd_values[j++]=H5Z_SO_FLOAT_DSCALE;
                                 else
                                 {
-                                    error_msg(progname, "scale type must be 'IN' or 'DS' \n");
+                                    error_msg("scale type must be 'IN' or 'DS' \n");
                                     exit(EXIT_FAILURE);
                                 }
 
@@ -263,7 +261,7 @@ obj_list_t* parse_filter(const char *str,
                         c = str[u];
                         if (!isdigit(c)){
                             if (obj_list) free(obj_list);
-                            error_msg(progname, "compression parameter is not a digit in <%s>\n",str);
+                            error_msg("compression parameter is not a digit in <%s>\n",str);
                             exit(EXIT_FAILURE);
                         }
                         stype[m]=c;
@@ -309,7 +307,7 @@ obj_list_t* parse_filter(const char *str,
        if (no_param)
        { /*no more parameters, GZIP must have parameter */
            if (obj_list) free(obj_list);
-           error_msg(progname, "missing compression parameter in <%s>\n",str);
+           error_msg("missing compression parameter in <%s>\n",str);
            exit(EXIT_FAILURE);
        }
    }
@@ -325,7 +323,7 @@ obj_list_t* parse_filter(const char *str,
        if (no_param)
        { /*no more parameters, SZIP must have parameter */
            if (obj_list) free(obj_list);
-           error_msg(progname, "missing compression parameter in <%s>\n",str);
+           error_msg("missing compression parameter in <%s>\n",str);
            exit(EXIT_FAILURE);
        }
    }
@@ -341,7 +339,7 @@ obj_list_t* parse_filter(const char *str,
        if (m>0)
        { /*shuffle does not have parameter */
            if (obj_list) free(obj_list);
-           error_msg(progname, "extra parameter in SHUF <%s>\n",str);
+           error_msg("extra parameter in SHUF <%s>\n",str);
            exit(EXIT_FAILURE);
        }
    }
@@ -356,7 +354,7 @@ obj_list_t* parse_filter(const char *str,
        if (m>0)
        { /*shuffle does not have parameter */
            if (obj_list) free(obj_list);
-           error_msg(progname, "extra parameter in FLET <%s>\n",str);
+           error_msg("extra parameter in FLET <%s>\n",str);
            exit(EXIT_FAILURE);
        }
    }
@@ -371,7 +369,7 @@ obj_list_t* parse_filter(const char *str,
        if (m>0)
        { /*nbit does not have parameter */
            if (obj_list) free(obj_list);
-           error_msg(progname, "extra parameter in NBIT <%s>\n",str);
+           error_msg("extra parameter in NBIT <%s>\n",str);
            exit(EXIT_FAILURE);
        }
    }
@@ -386,13 +384,13 @@ obj_list_t* parse_filter(const char *str,
        if (no_param)
        { /*no more parameters, SOFF must have parameter */
            if (obj_list) free(obj_list);
-           error_msg(progname, "missing compression parameter in <%s>\n",str);
+           error_msg("missing compression parameter in <%s>\n",str);
            exit(EXIT_FAILURE);
        }
    }
    else {
        if (obj_list) free(obj_list);
-       error_msg(progname, "invalid filter type in <%s>\n",str);
+       error_msg("invalid filter type in <%s>\n",str);
        exit(EXIT_FAILURE);
    }
   }
@@ -415,7 +413,7 @@ obj_list_t* parse_filter(const char *str,
        if (filt->cd_values[0]>9 )
        {
            if (obj_list) free(obj_list);
-           error_msg(progname, "invalid compression parameter in <%s>\n",str);
+           error_msg("invalid compression parameter in <%s>\n",str);
            exit(EXIT_FAILURE);
        }
        break;
@@ -430,19 +428,19 @@ obj_list_t* parse_filter(const char *str,
        if ((pixels_per_block%2)==1)
        {
            if (obj_list) free(obj_list);
-           error_msg(progname, "pixels_per_block is not even in <%s>\n",str);
+           error_msg("pixels_per_block is not even in <%s>\n",str);
            exit(EXIT_FAILURE);
        }
        if (pixels_per_block>H5_SZIP_MAX_PIXELS_PER_BLOCK)
        {
            if (obj_list) free(obj_list);
-           error_msg(progname, "pixels_per_block is too large in <%s>\n",str);
+           error_msg("pixels_per_block is too large in <%s>\n",str);
            exit(EXIT_FAILURE);
        }
        if ( (strcmp(smask,"NN")!=0) && (strcmp(smask,"EC")!=0) )
        {
            if (obj_list) free(obj_list);
-           error_msg(progname, "szip mask must be 'NN' or 'EC' \n");
+           error_msg("szip mask must be 'NN' or 'EC' \n");
            exit(EXIT_FAILURE);
        }
        break;
@@ -519,7 +517,7 @@ obj_list_t* parse_layout(const char *str,
     obj_list = (obj_list_t*) malloc(n*sizeof(obj_list_t));
     if (obj_list==NULL)
     {
-        error_msg(progname, "could not allocate object list\n");
+        error_msg("could not allocate object list\n");
         return NULL;
     }
     *n_objs=n;
@@ -543,7 +541,7 @@ obj_list_t* parse_layout(const char *str,
     if (end_obj+1==(int)len)
     {
         if (obj_list) free(obj_list);
-        error_msg(progname, "in parse layout, no characters after : in <%s>\n",str);
+        error_msg("in parse layout, no characters after : in <%s>\n",str);
         exit(EXIT_FAILURE);
     }
 
@@ -560,7 +558,7 @@ obj_list_t* parse_layout(const char *str,
             else if (strcmp(slayout,"CHUNK")==0)
                 pack->layout=H5D_CHUNKED;
             else {
-                error_msg(progname, "in parse layout, not a valid layout in <%s>\n",str);
+                error_msg("in parse layout, not a valid layout in <%s>\n",str);
                 exit(EXIT_FAILURE);
             }
         }
@@ -584,7 +582,7 @@ obj_list_t* parse_layout(const char *str,
         if (j>(int)len)
         {
             if (obj_list) free(obj_list);
-            error_msg(progname, "in parse layout,  <%s> Chunk dimensions missing\n",str);
+            error_msg("in parse layout,  <%s> Chunk dimensions missing\n",str);
             exit(EXIT_FAILURE);
         }
 
@@ -598,7 +596,7 @@ obj_list_t* parse_layout(const char *str,
                 && c!='N' && c!='O' && c!='N' && c!='E'
                 ){
                 if (obj_list) free(obj_list);
-                error_msg(progname, "in parse layout, <%s> Not a valid character in <%s>\n",
+                error_msg("in parse layout, <%s> Not a valid character in <%s>\n",
                     sdim,str);
                 exit(EXIT_FAILURE);
             }
@@ -611,7 +609,7 @@ obj_list_t* parse_layout(const char *str,
                     pack->chunk.chunk_lengths[c_index]=atoi(sdim);
                     if (pack->chunk.chunk_lengths[c_index]==0) {
                         if (obj_list) free(obj_list);
-                        error_msg(progname, "in parse layout, <%s> conversion to number in <%s>\n",
+                        error_msg("in parse layout, <%s> conversion to number in <%s>\n",
                             sdim,str);
                         exit(EXIT_FAILURE);
                     }
@@ -629,7 +627,7 @@ obj_list_t* parse_layout(const char *str,
                         pack->chunk.chunk_lengths[c_index]=atoi(sdim);
                         if (pack->chunk.chunk_lengths[c_index]==0){
                             if (obj_list) free(obj_list);
-                            error_msg(progname, "in parse layout, <%s> conversion to number in <%s>\n",
+                            error_msg("in parse layout, <%s> conversion to number in <%s>\n",
                                 sdim,str);
                             exit(EXIT_FAILURE);
                         }
diff --git a/tools/h5repack/h5repack_verify.c b/tools/h5repack/h5repack_verify.c
index ac4570b..34c5dd6 100644
--- a/tools/h5repack/h5repack_verify.c
+++ b/tools/h5repack/h5repack_verify.c
@@ -14,9 +14,9 @@
  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 
 #include "h5repack.h"
+#include "h5test.h"
 #include "h5tools_utils.h"
 
-extern char  *progname;
 static int verify_layout(hid_t pid, pack_info_t *obj);
 static int verify_filters(hid_t pid, hid_t tid, int nfilters, filter_info_t *filter);
 
@@ -211,26 +211,26 @@ h5repack_verify(const char *in_fname, const char *out_fname, pack_opt_t *options
 
     /* Get file creation property list for input file */
     if((fcpl_in = H5Fget_create_plist(fidin)) < 0) {
-	error_msg(progname, "failed to retrieve file creation property list\n");
+	error_msg("failed to retrieve file creation property list\n");
 	goto error;
     }
 
     /* Get file space management info for input file */
     if(H5Pget_file_space(fcpl_in, &in_strat, &in_thresh) < 0) {
-	error_msg(progname, "failed to retrieve file space strategy & threshold\n");
+	error_msg("failed to retrieve file space strategy & threshold\n");
 	goto error;
     }
 
     /* Output file is already opened */
     /* Get file creation property list for output file */
     if((fcpl_out = H5Fget_create_plist(fidout)) < 0) {
-	error_msg(progname, "failed to retrieve file creation property list\n");
+	error_msg("failed to retrieve file creation property list\n");
 	goto error;
     }
 
     /* Get file space management info for output file */
     if(H5Pget_file_space(fcpl_out, &out_strat, &out_thresh) < 0) {
-	error_msg(progname, "failed to retrieve file space strategy & threshold\n");
+	error_msg("failed to retrieve file space strategy & threshold\n");
 	goto error;
     }
 
@@ -243,11 +243,11 @@ h5repack_verify(const char *in_fname, const char *out_fname, pack_opt_t *options
      * as what is set via the strategy option
      */
     if(!options->fs_strategy && out_strat != in_strat) {
-	error_msg(progname, "file space strategy not set as unexpected\n");
+	error_msg("file space strategy not set as unexpected\n");
 	goto error;
 
     } else if(options->fs_strategy && out_strat!= options->fs_strategy)  {
-	error_msg(progname, "file space strategy not set as unexpectec\n");
+	error_msg("file space strategy not set as unexpectec\n");
 	goto error;
     }
 
@@ -260,11 +260,11 @@ h5repack_verify(const char *in_fname, const char *out_fname, pack_opt_t *options
      * as what is set via the threshold option.
      */
     if(!options->fs_threshold && out_thresh != in_thresh) {
-	error_msg(progname, "free space threshold not set as unexpected\n");
+	error_msg("free space threshold not set as unexpected\n");
 	goto error;
 
     } else if(options->fs_threshold && out_thresh != options->fs_threshold) {
-	error_msg(progname, "free space threshold not set as unexpectec\n");
+	error_msg("free space threshold not set as unexpectec\n");
 	goto error;
     }
 
@@ -396,12 +396,12 @@ int h5repack_cmp_pl(const char *fname1,
         /* Open the files */
         if ((fid1=H5Fopen(fname1,H5F_ACC_RDONLY,H5P_DEFAULT)) < 0 )
         {
-            error_msg(progname, "<%s>: %s\n", fname1, H5FOPENERROR );
+            error_msg("<%s>: %s\n", fname1, H5FOPENERROR );
             return -1;
         }
         if ((fid2=H5Fopen(fname2,H5F_ACC_RDONLY,H5P_DEFAULT)) < 0 )
         {
-            error_msg(progname, "<%s>: %s\n", fname2, H5FOPENERROR );
+            error_msg("<%s>: %s\n", fname2, H5FOPENERROR );
             H5Fclose(fid1);
             return -1;
         }
@@ -450,7 +450,7 @@ int h5repack_cmp_pl(const char *fname1,
 
             if ( crt_order_flag1 != crt_order_flag2 )
             {
-                error_msg(progname, "property lists for <%s> are different\n",trav->objs[i].name);
+                error_msg("property lists for <%s> are different\n",trav->objs[i].name);
                 goto error;
             }
 
@@ -478,7 +478,7 @@ int h5repack_cmp_pl(const char *fname1,
 
             if(ret == 0)
             {
-                error_msg(progname, "property lists for <%s> are different\n",trav->objs[i].name);
+                error_msg("property lists for <%s> are different\n",trav->objs[i].name);
                 goto error;
             }
 
diff --git a/tools/h5repack/h5repacktst.c b/tools/h5repack/h5repacktst.c
index 74c901f..a9efe25 100644
--- a/tools/h5repack/h5repacktst.c
+++ b/tools/h5repack/h5repacktst.c
@@ -91,9 +91,8 @@ const char *H5REPACK_FILENAMES[] = {
 
 #define H5REPACK_EXTFILE "h5repack_ext.bin"
 
-
-const char *progname = "h5repacktst";
-int d_status = EXIT_SUCCESS;
+/* Name of tool */
+#define PROGRAMNAME "h5repacktst"
 
 
 #define DIM1    40
diff --git a/tools/h5repack/testh5repack_detect_szip.c b/tools/h5repack/testh5repack_detect_szip.c
index b16e0d4..332fcc5 100644
--- a/tools/h5repack/testh5repack_detect_szip.c
+++ b/tools/h5repack/testh5repack_detect_szip.c
@@ -16,8 +16,12 @@
 #include <stdio.h>
 #include "h5repack.h"
 #include "h5tools.h"
+#include "h5test.h"
 
 
+/* Name of tool */
+#define PROGRAMNAME "h5repack_detect_szip"
+
 /*-------------------------------------------------------------------------
  * Function: main
  *
@@ -40,6 +44,9 @@
 
 int main(void)
 {
+    h5tools_setprogname(PROGRAMNAME);
+    h5tools_setstatus(EXIT_SUCCESS);
+
 #ifdef H5_HAVE_FILTER_SZIP
     if (h5tools_can_encode(H5Z_FILTER_SZIP) == 1) {
         printf("yes\n");
diff --git a/tools/h5stat/h5stat.c b/tools/h5stat/h5stat.c
index be74d21..fd21266 100644
--- a/tools/h5stat/h5stat.c
+++ b/tools/h5stat/h5stat.c
@@ -22,6 +22,9 @@
 #include "h5trav.h"
 #include "hdf5.h"
 
+/* Name of tool */
+#define PROGRAMNAME "h5stat"
+
 /* Parameters to control statistics gathered */
 #define SIZE_SMALL_GROUPS       10
 #define SIZE_SMALL_ATTRS	10
@@ -114,10 +117,6 @@ typedef struct iter_t {
 } iter_t;
 
 
-const char *progname = "h5stat";
-int               d_status = EXIT_SUCCESS;
-
-/* Enable the printing of everything */
 static int        display_all = TRUE;
 
 /* Enable the printing of selected statistics */
@@ -812,11 +811,11 @@ parse_command_line(int argc, const char *argv[])
     while ((opt = get_option(argc, argv, s_opts, l_opts)) != EOF) {
         switch ((char)opt) {
             case 'h':
-                usage(progname);
+                usage(h5tools_getprogname());
                 leave(EXIT_SUCCESS);
 
             case 'V':
-                print_version(progname);
+                print_version(h5tools_getprogname());
                 leave(EXIT_SUCCESS);
                 break;
 
@@ -881,15 +880,15 @@ parse_command_line(int argc, const char *argv[])
                 break;
 
             default:
-                usage(progname);
+                usage(h5tools_getprogname());
                 leave(EXIT_FAILURE);
         } /* end switch */
     } /* end while */
 
     /* check for file name to be processed */
     if (argc <= opt_ind) {
-        error_msg(progname, "missing file name\n");
-        usage(progname);
+        error_msg("missing file name\n");
+        usage(h5tools_getprogname());
         leave(EXIT_FAILURE);
     } /* end if */
 
@@ -1541,6 +1540,9 @@ main(int argc, const char *argv[])
     struct handler_t   *hand;
     H5F_info2_t      	finfo;
 
+    h5tools_setprogname(PROGRAMNAME);
+    h5tools_setstatus(EXIT_SUCCESS);
+
     /* Disable error reporting */
     H5Eset_auto2(H5E_DEFAULT, NULL, NULL);
 
@@ -1548,7 +1550,7 @@ main(int argc, const char *argv[])
     h5tools_init();
     hand = parse_command_line (argc, argv);
     if(!hand) {
-        error_msg(progname, "unable to parse command line arguments \n");
+        error_msg("unable to parse command line arguments \n");
         leave(EXIT_FAILURE);
     } /* end if */
 
@@ -1558,7 +1560,7 @@ main(int argc, const char *argv[])
 
     fid = H5Fopen(fname, H5F_ACC_RDONLY, H5P_DEFAULT);
     if(fid < 0) {
-        error_msg(progname, "unable to open file \"%s\"\n", fname);
+        error_msg("unable to open file \"%s\"\n", fname);
         leave(EXIT_FAILURE);
     } /* end if */
 
@@ -1566,12 +1568,12 @@ main(int argc, const char *argv[])
     iter_init(&iter, fid);
 
     if(H5Fget_filesize(fid, &iter.filesize) < 0)
-	warn_msg(progname, "Unable to retrieve file size\n");
+	warn_msg("Unable to retrieve file size\n");
     assert(iter.filesize != 0);
 
     /* Get storge info for file-level structures */
     if(H5Fget_info2(fid, &finfo) < 0)
-	warn_msg(progname, "Unable to retrieve file info\n");
+	warn_msg("Unable to retrieve file info\n");
     else {
 	iter.super_size = finfo.super.super_size;
 	iter.super_ext_size = finfo.super.super_ext_size;
@@ -1583,18 +1585,18 @@ main(int argc, const char *argv[])
     } /* end else */
 
     if((fcpl = H5Fget_create_plist(fid)) < 0)
-	warn_msg(progname, "Unable to retrieve file creation property\n");
+        warn_msg("Unable to retrieve file creation property\n");
 
     if(H5Pget_userblock(fcpl, &iter.ublk_size) < 0)
-        warn_msg(progname, "Unable to retrieve userblock size\n");
+        warn_msg("Unable to retrieve userblock size\n");
 
     if(H5Pget_file_space(fcpl, &iter.fs_strategy, &iter.fs_threshold) < 0)
-        warn_msg(progname, "Unable to retrieve file space information\n");
+        warn_msg("Unable to retrieve file space information\n");
     assert(iter.fs_strategy != 0 && iter.fs_strategy < H5F_FILE_SPACE_NTYPES);
 
     /* get information for free-space sections */
     if(freespace_stats(fid, &iter) < 0)
-        warn_msg(progname, "Unable to retrieve freespace info\n");
+        warn_msg("Unable to retrieve freespace info\n");
 
     /* Walk the objects or all file */
     if(display_object) {
@@ -1603,7 +1605,7 @@ main(int argc, const char *argv[])
         u = 0;
         while(hand[u].obj) {
             if (h5trav_visit(fid, hand[u].obj, TRUE, TRUE, obj_stats, lnk_stats, &iter) < 0)
-		warn_msg(progname, "Unable to traverse object \"%s\"\n", hand[u].obj);
+		warn_msg("Unable to traverse object \"%s\"\n", hand[u].obj);
 	    else
 		print_statistics(hand[u].obj, &iter);
             u++;
@@ -1611,7 +1613,7 @@ main(int argc, const char *argv[])
     } /* end if */
     else {
         if (h5trav_visit(fid, "/", TRUE, TRUE, obj_stats, lnk_stats, &iter) < 0)
-	    warn_msg(progname, "Unable to traverse objects/links in file \"%s\"\n", fname);
+	    warn_msg("Unable to traverse objects/links in file \"%s\"\n", fname);
 	else
 	    print_statistics("/", &iter);
     } /* end else */
@@ -1619,7 +1621,7 @@ main(int argc, const char *argv[])
     if (hand) free(hand);
 
     if(H5Fclose(fid) < 0) {
-        error_msg(progname, "unable to close file \"%s\"\n", fname);
+        error_msg("unable to close file \"%s\"\n", fname);
         leave(EXIT_FAILURE);
     }
 
diff --git a/tools/lib/h5diff.h b/tools/lib/h5diff.h
index 6718d9a..ede6ea0 100644
--- a/tools/lib/h5diff.h
+++ b/tools/lib/h5diff.h
@@ -55,15 +55,15 @@ typedef struct {
 extern "C" {
 #endif
 
-hsize_t  h5diff(const char *fname1,
+H5TOOLS_DLL hsize_t  h5diff(const char *fname1,
                 const char *fname2,
                 const char *objname1,
                 const char *objname2,
                 diff_opt_t *options);
 
 #ifdef H5_HAVE_PARALLEL
-void phdiff_dismiss_workers(void);
-void print_manager_output(void);
+H5TOOLS_DLL void phdiff_dismiss_workers(void);
+H5TOOLS_DLL void print_manager_output(void);
 #endif
 
 #ifdef __cplusplus
diff --git a/tools/lib/h5tools.c b/tools/lib/h5tools.c
index e997d03..5d4ea87 100644
--- a/tools/lib/h5tools.c
+++ b/tools/lib/h5tools.c
@@ -42,6 +42,8 @@ FILE       *rawdatastream; /* should initialize to stdout but gcc moans about it
 int         bin_output;    /* binary output */
 int         bin_form;      /* binary form */
 int         region_output; /* region output */
+static int  h5tools_d_status = 0;
+static const char  *h5tools_progname = "h5tools";
 
 static h5tool_format_t h5tools_dataformat = {
 0, /*raw */
@@ -283,6 +285,34 @@ enum {
 /*-------------------------------------------------------------------------
  * Audience:    Public
  * Chapter:     H5Tools Library
+ * 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;
+}
+
+const char*h5tools_getprogname()
+{
+   return h5tools_progname;
+}
+
+int h5tools_getstatus()
+{
+   return h5tools_d_status;
+}
+
+/*-------------------------------------------------------------------------
+ * Audience:    Public
+ * Chapter:     H5Tools Library
  * Purpose:     Initialize the H5 Tools library
  * Description:
  *      This should be called before any other h5tools function is called.
diff --git a/tools/lib/h5tools.h b/tools/lib/h5tools.h
index 7d207ba..cb01580 100644
--- a/tools/lib/h5tools.h
+++ b/tools/lib/h5tools.h
@@ -521,10 +521,14 @@ struct subset_t {
 
 #include "h5tools_str.h"
 
-extern FILE   *rawdatastream;       /* output stream for raw data */
-extern int     bin_output;          /* binary output */
-extern int     bin_form;            /* binary form */
-extern int     region_output;       /* region output */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+H5TOOLS_DLLVAR FILE   *rawdatastream;       /* output stream for raw data */
+H5TOOLS_DLLVAR int     bin_output;          /* binary output */
+H5TOOLS_DLLVAR int     bin_form;            /* binary form */
+H5TOOLS_DLLVAR int     region_output;       /* region output */
 
 /* Strings for output */
 #define H5_TOOLS_GROUP           "GROUP"
@@ -532,26 +536,30 @@ extern int     region_output;       /* region output */
 #define H5_TOOLS_DATATYPE        "DATATYPE"
 
 /* Definitions of useful routines */
-extern void     h5tools_init(void);
-extern void     h5tools_close(void);
-extern hid_t    h5tools_fopen(const char *fname, unsigned flags, hid_t fapl,
+H5TOOLS_DLL const char *h5tools_getprogname(void);
+H5TOOLS_DLL void     h5tools_setprogname(const char*progname);
+H5TOOLS_DLL int      h5tools_getstatus(void);
+H5TOOLS_DLL void     h5tools_setstatus(int d_status);
+H5TOOLS_DLL void     h5tools_init(void);
+H5TOOLS_DLL void     h5tools_close(void);
+H5TOOLS_DLL hid_t    h5tools_fopen(const char *fname, unsigned flags, hid_t fapl,
                     const char *driver, char *drivername, size_t drivername_len);
-extern int      h5tools_dump_dset(FILE *stream, const h5tool_format_t *info, hid_t dset,
+H5TOOLS_DLL int      h5tools_dump_dset(FILE *stream, const h5tool_format_t *info, hid_t dset,
                                   hid_t p_typ, struct subset_t *sset, int indentlevel);
-extern int      h5tools_dump_mem(FILE *stream, const h5tool_format_t *info, hid_t obj_id,
+H5TOOLS_DLL int      h5tools_dump_mem(FILE *stream, const h5tool_format_t *info, hid_t obj_id,
                                  hid_t type, hid_t space, void *mem, int indentlevel);
-extern hid_t    h5tools_get_native_type(hid_t type);
-extern hid_t    h5tools_get_little_endian_type(hid_t type);
-extern hid_t    h5tools_get_big_endian_type(hid_t type);
+H5TOOLS_DLL hid_t    h5tools_get_native_type(hid_t type);
+H5TOOLS_DLL hid_t    h5tools_get_little_endian_type(hid_t type);
+H5TOOLS_DLL hid_t    h5tools_get_big_endian_type(hid_t type);
 
 
-extern void     h5tools_dump_simple_data(FILE *stream, const h5tool_format_t *info, hid_t container,
+H5TOOLS_DLL void     h5tools_dump_simple_data(FILE *stream, const h5tool_format_t *info, hid_t container,
                          h5tools_context_t *ctx/*in,out*/, unsigned flags,
                          hsize_t nelmts, hid_t type, void *_mem);
 
-extern int      h5tools_canreadf(const char* name,
+H5TOOLS_DLL int      h5tools_canreadf(const char* name,
                                  hid_t dcpl_id);
-extern int      h5tools_can_encode(H5Z_filter_t filtn);
+H5TOOLS_DLL int      h5tools_can_encode(H5Z_filter_t filtn);
 
 void            init_acc_pos(h5tools_context_t *ctx, hsize_t *dims);
 /*
@@ -564,5 +572,10 @@ int             h5tools_print_datatype(h5tools_str_t *buffer/*in,out*/,
                          const h5tool_format_t *info, h5tools_context_t *ctx/*in,out*/,
                          hid_t type);
 int             h5tools_print_enum(h5tools_str_t *buffer/*in,out*/, hid_t type);
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* H5TOOLS_H__ */
 
diff --git a/tools/lib/h5tools_error.h b/tools/lib/h5tools_error.h
index a7c0d3c..207218e 100644
--- a/tools/lib/h5tools_error.h
+++ b/tools/lib/h5tools_error.h
@@ -22,9 +22,9 @@
 #include "H5Epublic.h"
 
 /* tools-HDF5 Error variables */
-extern hid_t H5tools_ERR_CLS_g;
-extern hid_t H5E_tools_g;
-extern hid_t H5E_tools_min_id_g;
+H5TOOLS_DLLVAR hid_t H5tools_ERR_CLS_g;
+H5TOOLS_DLLVAR hid_t H5E_tools_g;
+H5TOOLS_DLLVAR hid_t H5E_tools_min_id_g;
 
 /* Use FUNC to safely handle variations of C99 __func__ keyword handling */
 #ifdef H5_HAVE_C99_FUNC
diff --git a/tools/lib/h5tools_ref.c b/tools/lib/h5tools_ref.c
index 03e6efd..07d2a57 100644
--- a/tools/lib/h5tools_ref.c
+++ b/tools/lib/h5tools_ref.c
@@ -45,9 +45,6 @@ typedef struct {
 static H5SL_t *ref_path_table = NULL;   /* the "table" (implemented with a skip list) */
 static hid_t thefile = (-1);
 
-extern char  *progname;
-extern int   d_status;
-
 static int ref_path_table_put(const char *, haddr_t objno);
 
 /*-------------------------------------------------------------------------
@@ -122,8 +119,8 @@ init_ref_path_table(void)
 
     /* Iterate over objects in this file */
     if(h5trav_visit(thefile, "/", TRUE, TRUE, init_ref_path_cb, NULL, NULL) < 0) {
-        error_msg(progname, "unable to construct reference path table\n");
-        d_status = EXIT_FAILURE;
+        error_msg("unable to construct reference path table\n");
+        h5tools_setstatus(EXIT_FAILURE);
     } /* end if */
 
     return(0);
diff --git a/tools/lib/h5tools_ref.h b/tools/lib/h5tools_ref.h
index 567ca4b..7ddb91a 100644
--- a/tools/lib/h5tools_ref.h
+++ b/tools/lib/h5tools_ref.h
@@ -22,13 +22,13 @@
 extern "C" {
 #endif
 
-herr_t      fill_ref_path_table(hid_t fid);
-const char *lookup_ref_path(haddr_t ref);
-int         get_next_xid(void);
-haddr_t     get_fake_xid(void);
-haddr_t     ref_path_table_lookup(const char *);
-haddr_t     ref_path_table_gen_fake(const char *);
-int         term_ref_path_table(void);
+H5TOOLS_DLL herr_t      fill_ref_path_table(hid_t fid);
+H5TOOLS_DLL const char *lookup_ref_path(haddr_t ref);
+H5TOOLS_DLL int         get_next_xid(void);
+H5TOOLS_DLL haddr_t     get_fake_xid(void);
+H5TOOLS_DLL haddr_t     ref_path_table_lookup(const char *);
+H5TOOLS_DLL haddr_t     ref_path_table_gen_fake(const char *);
+H5TOOLS_DLL int         term_ref_path_table(void);
 
 #ifdef __cplusplus
 }
diff --git a/tools/lib/h5tools_utils.c b/tools/lib/h5tools_utils.c
index a51a286..757d4d7 100644
--- a/tools/lib/h5tools_utils.c
+++ b/tools/lib/h5tools_utils.c
@@ -64,13 +64,13 @@ static void add_obj(table_t *table, haddr_t objno, const char *objname, hbool_t
  *-------------------------------------------------------------------------
  */
 void
-error_msg(const char *progname, const char *fmt, ...)
+error_msg(const char *fmt, ...)
 {
     va_list ap;
 
     va_start(ap, fmt);
     HDfflush(stdout);
-    HDfprintf(stderr, "%s error: ", progname);
+    HDfprintf(stderr, "%s error: ", h5tools_getprogname());
     HDvfprintf(stderr, fmt, ap);
 
     va_end(ap);
@@ -93,13 +93,13 @@ error_msg(const char *progname, const char *fmt, ...)
  *-------------------------------------------------------------------------
  */
 void
-warn_msg(const char *progname, const char *fmt, ...)
+warn_msg(const char *fmt, ...)
 {
     va_list ap;
 
     va_start(ap, fmt);
     HDfflush(stdout);
-    HDfprintf(stderr, "%s warning: ", progname);
+    HDfprintf(stderr, "%s warning: ", h5tools_getprogname());
     HDvfprintf(stderr, fmt, ap);
     va_end(ap);
 }
diff --git a/tools/lib/h5tools_utils.h b/tools/lib/h5tools_utils.h
index dcd8f2b..3720afd 100644
--- a/tools/lib/h5tools_utils.h
+++ b/tools/lib/h5tools_utils.h
@@ -24,12 +24,16 @@
 
 #include "hdf5.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /*
  * begin get_option section
  */
-extern int         opt_err;     /* getoption prints errors if this is on    */
-extern int         opt_ind;     /* token pointer                            */
-extern const char *opt_arg;     /* flag argument (or value)                 */
+H5TOOLS_DLLVAR int         opt_err;     /* getoption prints errors if this is on    */
+H5TOOLS_DLLVAR int         opt_ind;     /* token pointer                            */
+H5TOOLS_DLLVAR const char *opt_arg;     /* flag argument (or value)                 */
 
 enum {
     no_arg = 0,         /* doesn't take an argument     */
@@ -72,7 +76,7 @@ typedef struct long_options {
                                  * this gets returned from get_option   */
 } long_options;
 
-extern int    get_option(int argc, const char **argv, const char *opt,
+H5TOOLS_DLL int    get_option(int argc, const char **argv, const char *opt,
                          const struct long_options *l_opt);
 /*
  * end get_option section
@@ -101,25 +105,24 @@ typedef struct find_objs_t {
     table_t *dset_table;
 } find_objs_t;
 
-extern int     nCols;               /*max number of columns for outputting  */
+H5TOOLS_DLLVAR int     nCols;               /*max number of columns for outputting  */
 
 /* Definitions of useful routines */
-extern void     indentation(int);
-extern void     print_version(const char *progname);
-extern void     error_msg(const char *progname, const char *fmt, ...);
-extern void     warn_msg(const char *progname, const char *fmt, ...);
-extern void     free_table(table_t *table);
+H5TOOLS_DLL void     indentation(int);
+H5TOOLS_DLL void     print_version(const char *progname);
+H5TOOLS_DLL void     error_msg(const char *fmt, ...);
+H5TOOLS_DLL void     warn_msg(const char *fmt, ...);
+H5TOOLS_DLL void     free_table(table_t *table);
 #ifdef H5DUMP_DEBUG
-extern void     dump_tables(find_objs_t *info)
+H5TOOLS_DLL void     dump_tables(find_objs_t *info)
 #endif  /* H5DUMP_DEBUG */
-extern herr_t init_objs(hid_t fid, find_objs_t *info, table_t **group_table,
+H5TOOLS_DLL herr_t init_objs(hid_t fid, find_objs_t *info, table_t **group_table,
     table_t **dset_table, table_t **type_table);
-extern obj_t   *search_obj(table_t *temp, haddr_t objno);
+H5TOOLS_DLL obj_t   *search_obj(table_t *temp, haddr_t objno);
 #ifndef H5_HAVE_TMPFILE
-extern FILE *	tmpfile(void);
+H5TOOLS_DLL FILE *	tmpfile(void);
 #endif
 
-
 /*************************************************************
  *
  * candidate functions to be public
@@ -148,6 +151,10 @@ typedef struct {
 
 
 /* Definitions of routines */
-extern int H5tools_get_link_info(hid_t file_id, const char * linkpath, h5tool_link_info_t *link_info);
+H5TOOLS_DLL int H5tools_get_link_info(hid_t file_id, const char * linkpath, h5tool_link_info_t *link_info);
+
+#ifdef __cplusplus
+}
+#endif
 
 #endif	/* H5TOOLS_UTILS_H__ */
diff --git a/tools/lib/h5trav.h b/tools/lib/h5trav.h
index 5c07331..bb31461 100644
--- a/tools/lib/h5trav.h
+++ b/tools/lib/h5trav.h
@@ -110,7 +110,7 @@ extern "C" {
  * "h5trav general" public functions
  *-------------------------------------------------------------------------
  */
-int h5trav_visit(hid_t file_id, const char *grp_name, hbool_t visit_start,
+H5TOOLS_DLL int h5trav_visit(hid_t file_id, const char *grp_name, hbool_t visit_start,
     hbool_t recurse, h5trav_obj_func_t visit_obj, h5trav_lnk_func_t visit_lnk,
     void *udata);
 
@@ -118,22 +118,22 @@ int h5trav_visit(hid_t file_id, const char *grp_name, hbool_t visit_start,
  * "h5trav info" public functions
  *-------------------------------------------------------------------------
  */
-int h5trav_getinfo(hid_t file_id, trav_info_t *info);
-ssize_t h5trav_getindex(const trav_info_t *info, const char *obj);
+H5TOOLS_DLL int h5trav_getinfo(hid_t file_id, trav_info_t *info);
+H5TOOLS_DLL ssize_t h5trav_getindex(const trav_info_t *info, const char *obj);
 
 /*-------------------------------------------------------------------------
  * "h5trav table" public functions
  *-------------------------------------------------------------------------
  */
 
-int  h5trav_gettable(hid_t fid, trav_table_t *travt);
-int  h5trav_getindext(const char *obj, const trav_table_t *travt);
+H5TOOLS_DLL int  h5trav_gettable(hid_t fid, trav_table_t *travt);
+H5TOOLS_DLL int  h5trav_getindext(const char *obj, const trav_table_t *travt);
 
 /*-------------------------------------------------------------------------
  * "h5trav print" public functions
  *-------------------------------------------------------------------------
  */
-int h5trav_print(hid_t fid);
+H5TOOLS_DLL int h5trav_print(hid_t fid);
 
 #ifdef __cplusplus
 }
@@ -144,20 +144,20 @@ int h5trav_print(hid_t fid);
  *-------------------------------------------------------------------------
  */
 
-void trav_info_init(trav_info_t **info);
+H5TOOLS_DLL void trav_info_init(trav_info_t **info);
 
-void trav_info_free(trav_info_t *info);
+H5TOOLS_DLL void trav_info_free(trav_info_t *info);
 
 /*-------------------------------------------------------------------------
  * table private functions
  *-------------------------------------------------------------------------
  */
 
-void trav_table_init(trav_table_t **table);
+H5TOOLS_DLL void trav_table_init(trav_table_t **table);
 
-void trav_table_free(trav_table_t *table);
+H5TOOLS_DLL void trav_table_free(trav_table_t *table);
 
-void trav_table_addflags(unsigned *flags,
+H5TOOLS_DLL void trav_table_addflags(unsigned *flags,
                          char *objname,
                          h5trav_type_t type,
                          trav_table_t *table);
diff --git a/tools/misc/h5mkgrp.c b/tools/misc/h5mkgrp.c
index a6fdc56..09f23ef 100644
--- a/tools/misc/h5mkgrp.c
+++ b/tools/misc/h5mkgrp.c
@@ -21,7 +21,7 @@
 #include <stdlib.h>
 
 /* Name of tool */
-const char *progname = "h5mkgrp";
+#define PROGRAMNAME "h5mkgrp"
 
 /* Exit status for tools library routines */
 int d_status = EXIT_SUCCESS;
@@ -141,7 +141,7 @@ parse_command_line(int argc, const char *argv[], param_t *params)
 
             /* Display version */
             case 'V':
-                print_version(progname);
+                print_version(h5tools_getprogname());
                 leave(EXIT_SUCCESS);
 
             /* Bad command line argument */
@@ -153,7 +153,7 @@ parse_command_line(int argc, const char *argv[], param_t *params)
 
     /* Check for file name to be processed */
     if(argc <= opt_ind) {
-        error_msg(progname, "missing file name\n");
+        error_msg("missing file name\n");
         usage();
         leave(EXIT_FAILURE);
     } /* end if */
@@ -164,7 +164,7 @@ parse_command_line(int argc, const char *argv[], param_t *params)
 
     /* Check for group(s) to be created */
     if(argc <= opt_ind) {
-        error_msg(progname, "missing group name(s)\n");
+        error_msg("missing group name(s)\n");
         usage();
         leave(EXIT_FAILURE);
     } /* end if */
@@ -212,6 +212,9 @@ main(int argc, const char *argv[])
     hid_t lcpl_id;              /* Link creation property list ID */
     size_t curr_group;          /* Current group to create */
 
+    h5tools_setprogname(PROGRAMNAME);
+    h5tools_setstatus(EXIT_SUCCESS);
+
     /* Disable the HDF5 library's error reporting */
     H5Eset_auto2(H5E_DEFAULT, NULL, NULL);
 
@@ -221,13 +224,13 @@ main(int argc, const char *argv[])
     /* Parse command line */
     HDmemset(&params, 0, sizeof(params));
     if(parse_command_line(argc, argv, &params) < 0) {
-        error_msg(progname, "unable to parse command line arguments\n");
+        error_msg("unable to parse command line arguments\n");
         leave(EXIT_FAILURE);
     } /* end if */
 
     /* Create file access property list */
     if((fapl_id = H5Pcreate(H5P_FILE_ACCESS)) < 0) {
-        error_msg(progname, "Could not create file access property list\n");
+        error_msg("Could not create file access property list\n");
         leave(EXIT_FAILURE);
     } /* end if */
 
@@ -235,13 +238,13 @@ main(int argc, const char *argv[])
     if(params.latest) {
         /* Set the "use the latest version of the format" bounds */
         if(H5Pset_libver_bounds(fapl_id, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0) {
-            error_msg(progname, "Could not set property for using latest version of the format\n");
+            error_msg("Could not set property for using latest version of the format\n");
             leave(EXIT_FAILURE);
         } /* end if */
 
         /* Display some output if requested */
         if(params.verbose)
-            printf("%s: Creating groups with latest version of the format\n", progname);
+            printf("%s: Creating groups with latest version of the format\n", h5tools_getprogname());
     } /* end if */
 
     /* Attempt to open an existing HDF5 file first */
@@ -254,13 +257,13 @@ main(int argc, const char *argv[])
 
     /* Test for error in opening file */
     if(fid < 0) {
-        error_msg(progname, "Could not open output file '%s'\n", params.fname);
+        error_msg("Could not open output file '%s'\n", params.fname);
         leave(EXIT_FAILURE);
     } /* end if */
 
     /* Create link creation property list */
     if((lcpl_id = H5Pcreate(H5P_LINK_CREATE)) < 0) {
-        error_msg(progname, "Could not create link creation property list\n");
+        error_msg("Could not create link creation property list\n");
         leave(EXIT_FAILURE);
     } /* end if */
 
@@ -268,13 +271,13 @@ main(int argc, const char *argv[])
     if(params.parents) {
         /* Set the intermediate group creation property */
         if(H5Pset_create_intermediate_group(lcpl_id, TRUE) < 0) {
-            error_msg(progname, "Could not set property for creating parent groups\n");
+            error_msg("Could not set property for creating parent groups\n");
             leave(EXIT_FAILURE);
         } /* end if */
 
         /* Display some output if requested */
         if(params.verbose)
-            printf("%s: Creating parent groups\n", progname);
+            printf("%s: Creating parent groups\n", h5tools_getprogname());
     } /* end if */
 
     /* Loop over creating requested groups */
@@ -283,36 +286,36 @@ main(int argc, const char *argv[])
 
         /* Attempt to create a group */
         if((gid = H5Gcreate2(fid, params.groups[curr_group], lcpl_id, H5P_DEFAULT, H5P_DEFAULT)) < 0) {
-            error_msg(progname, "Could not create group '%s'\n", params.groups[curr_group]);
+            error_msg("Could not create group '%s'\n", params.groups[curr_group]);
             leave(EXIT_FAILURE);
         } /* end if */
 
         /* Close the group */
         if(H5Gclose(gid) < 0) {
-            error_msg(progname, "Could not close group '%s'??\n", params.groups[curr_group]);
+            error_msg("Could not close group '%s'??\n", params.groups[curr_group]);
             leave(EXIT_FAILURE);
         } /* end if */
 
         /* Display some output if requested */
         if(params.verbose)
-            printf("%s: created group '%s'\n", progname, params.groups[curr_group]);
+            printf("%s: created group '%s'\n", h5tools_getprogname(), params.groups[curr_group]);
     } /* end for */
 
     /* Close link creation property list */
     if(H5Pclose(lcpl_id) < 0) {
-        error_msg(progname, "Could not close link creation property list\n");
+        error_msg("Could not close link creation property list\n");
         leave(EXIT_FAILURE);
     } /* end if */
 
     /* Close file */
     if(H5Fclose(fid) < 0) {
-        error_msg(progname, "Could not close output file '%s'??\n", params.fname);
+        error_msg("Could not close output file '%s'??\n", params.fname);
         leave(EXIT_FAILURE);
     } /* end if */
 
     /* Close file access property list */
     if(H5Pclose(fapl_id) < 0) {
-        error_msg(progname, "Could not close file access property list\n");
+        error_msg("Could not close file access property list\n");
         leave(EXIT_FAILURE);
     } /* end if */