Various code cleanup

Description:
    - Replaced H5Location::exists with H5Location::nameExists and marked
      H5Location::exists as deprecated.
    - Miscellaneous test cleanup for consistency.
Platforms tested:
    Linux/32 2.6 (jam)
    Linux/64 (jelly)
    Darwin (osx1010test)

20 files changed, 521 insertions, 543 deletions

diff --git a/c++/src/H5DataType.cpp b/c++/src/H5DataType.cpp
index d2bfbda..444a77a 100644
--- a/c++/src/H5DataType.cpp
+++ b/c++/src/H5DataType.cpp
@@ -899,7 +899,7 @@ hid_t DataType::p_opentype(const H5Location& loc, const char *dtype_name) const
     // Call C function to open the named datatype at this location
     hid_t ret_value = H5Topen2(loc.getId(), dtype_name, H5P_DEFAULT);
     if (ret_value < 0)
-        throw DataTypeIException("DataType constructor", "H5Topen2 failed");
+        throw DataTypeIException(inMemFunc("constructor"), "H5Topen2 failed");
     return(ret_value);
 }
 
diff --git a/c++/src/H5DataType.h b/c++/src/H5DataType.h
index 5b8f924..906ccef 100644
--- a/c++/src/H5DataType.h
+++ b/c++/src/H5DataType.h
@@ -36,6 +36,10 @@ class H5_DLLCPP DataType : public H5Object {
         // Creates a copy of a predefined type
         DataType(const PredType& pred_type);
 
+        // Constructors to open a generic named datatype at a given location.
+        DataType(const H5Location& loc, const char* name);
+        DataType(const H5Location& loc, const H5std_string& name);
+
         // Creates a datatype by way of dereference.
         DataType(const H5Location& loc, const void* ref, H5R_type_t ref_type = H5R_OBJECT, const PropList& plist = PropList::DEFAULT);
 //        DataType(const Attribute& attr, const void* ref, H5R_type_t ref_type = H5R_OBJECT, const PropList& plist = PropList::DEFAULT);
@@ -124,13 +128,6 @@ class H5_DLLCPP DataType : public H5Object {
         ///\brief Returns this class name.
         virtual H5std_string fromClass () const { return("DataType"); }
 
-// From CommonFG then H5Location
-        // Constructors to open a generic named datatype at a given location.
-        DataType(const H5Location& loc, const char* name);
-        DataType(const H5Location& loc, const H5std_string& name);
-
-// End of From CommonFG then H5Location
-
         // Creates a copy of an existing DataType using its id
         DataType(const hid_t type_id);
 
diff --git a/c++/src/H5IntType.cpp b/c++/src/H5IntType.cpp
index ef4e1a9..f68e858 100644
--- a/c++/src/H5IntType.cpp
+++ b/c++/src/H5IntType.cpp
@@ -117,7 +117,7 @@ IntType::IntType(const H5Location& loc, const char *dtype_name) : AtomType()
 // Programmer   Binh-Minh Ribler - Dec 2016
 // Description
 //              In 1.10.1, this constructor was introduced and may replace the
-//              existing function CommonFG::openArrayType(const H5std_string&)
+//              existing function CommonFG::openIntType(const H5std_string&)
 //              to improve usability.
 //              -BMR, Dec 2016
 //--------------------------------------------------------------------------
diff --git a/c++/src/H5Location.cpp b/c++/src/H5Location.cpp
index a00e181..d0b5f9d 100644
--- a/c++/src/H5Location.cpp
+++ b/c++/src/H5Location.cpp
@@ -76,15 +76,15 @@ H5Location::H5Location() : IdComponent() {}
 #endif // DOXYGEN_SHOULD_SKIP_THIS
 
 //--------------------------------------------------------------------------
-// Function:    H5Location::exists
+// Function:    H5Location::nameExists
 ///\brief       Checks if a link of a given name exists in a location
 ///\param       name - IN: Searched name
 ///\param       lapl - IN: Link access property list
 ///\exception   H5::LocationException
-// Programmer   Binh-Minh Ribler - Nov, 2016
 // Modification
+//              Renamed from exists() in 1.10.2 -BMR
 //--------------------------------------------------------------------------
-bool H5Location::exists(const char* name, const LinkAccPropList& lapl) const
+bool H5Location::nameExists(const char* name, const LinkAccPropList& lapl) const
 {
     htri_t ret_value = H5Lexists(getId(), name, lapl.getId());
     if (ret_value > 0)
@@ -93,22 +93,54 @@ bool H5Location::exists(const char* name, const LinkAccPropList& lapl) const
         return false;
     else // Raise exception when H5Lexists returns a negative value
     {
-        throw LocationException(inMemFunc("exists"), "H5Lexists failed");
+        throw LocationException(inMemFunc("nameExists"), "H5Lexists failed");
     }
 }
 
 //--------------------------------------------------------------------------
-// Function:    H5Location::exists
+// Function:    H5Location::nameExists
 ///\brief       Checks if a link of a given name exists in a location
 ///\param       name - IN: Searched name
 ///\param       lapl - IN: Link access property list
 ///\exception   H5::LocationException
+// Modification
+//              Renamed from exists() in 1.10.2 -BMR
+//--------------------------------------------------------------------------
+bool H5Location::nameExists(const H5std_string& name, const LinkAccPropList& lapl) const
+{
+    return(nameExists(name.c_str(), lapl));
+}
+
+//--------------------------------------------------------------------------
+// Function:    H5Location::exists - Deprecated
+// Purpose      Checks if a link of a given name exists in a location
+///\brief       Deprecated in favor of nameExists
+///\param       name - IN: Searched name
+///\param       lapl - IN: Link access property list
+///\exception   H5::LocationException
+// Programmer   Binh-Minh Ribler - Nov, 2016
+// Modification
+//              Renamed to nameExists() in 1.10.2 -BMR
+//--------------------------------------------------------------------------
+bool H5Location::exists(const char* name, const LinkAccPropList& lapl) const
+{
+    return(nameExists(name, lapl));
+}
+
+//--------------------------------------------------------------------------
+// Function:    H5Location::exists - Deprecated
+// Purpose      Checks if a link of a given name exists in a location
+///\brief       Deprecated in favor of nameExists
+///\param       name - IN: Searched name
+///\param       lapl - IN: Link access property list
+///\exception   H5::LocationException
 // Programmer   Binh-Minh Ribler - Dec, 2016
 // Modification
+//              Renamed to nameExists() in 1.10.2 -BMR
 //--------------------------------------------------------------------------
 bool H5Location::exists(const H5std_string& name, const LinkAccPropList& lapl) const
 {
-    return(exists(name.c_str(), lapl));
+    return(nameExists(name.c_str(), lapl));
 }
 
 //--------------------------------------------------------------------------
diff --git a/c++/src/H5Location.h b/c++/src/H5Location.h
index 2631169..e5fbc84 100644
--- a/c++/src/H5Location.h
+++ b/c++/src/H5Location.h
@@ -31,6 +31,11 @@ namespace H5 {
 class H5_DLLCPP H5Location : public IdComponent {
    public:
         // Checks if a link of a given name exists in a location
+        bool nameExists(const char* name, const LinkAccPropList& lapl = LinkAccPropList::DEFAULT) const;
+        bool nameExists(const H5std_string& name, const LinkAccPropList& lapl = LinkAccPropList::DEFAULT) const;
+
+        // Checks if a link of a given name exists in a location
+        // Deprecated in favor of nameExists for better name.
         bool exists(const char* name, const LinkAccPropList& lapl = LinkAccPropList::DEFAULT) const;
         bool exists(const H5std_string& name, const LinkAccPropList& lapl = LinkAccPropList::DEFAULT) const;
 
diff --git a/c++/test/dsets.cpp b/c++/test/dsets.cpp
index a765fb1..250ce90 100644
--- a/c++/test/dsets.cpp
+++ b/c++/test/dsets.cpp
@@ -66,13 +66,9 @@ static size_t filter_bogus(unsigned int flags, size_t cd_nelmts,
  *
  * Programmer   Binh-Minh Ribler (using C version)
  *              Friday, January 5, 2001
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
-static herr_t
-test_create( H5File& file)
+static herr_t test_create( H5File& file)
 {
     SUBTEST("Create, open, close");
 
@@ -198,13 +194,9 @@ test_create( H5File& file)
  *
  * Programmer   Binh-Minh Ribler (using C version)
  *              Friday, January 5, 2001
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
-static herr_t
-test_simple_io( H5File& file)
+static herr_t test_simple_io( H5File& file)
 {
 
     SUBTEST("Simple I/O");
@@ -284,13 +276,9 @@ test_simple_io( H5File& file)
  *
  * Programmer   Binh-Minh Ribler
  *              Thursday, March 22, 2012
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
-static herr_t
-test_datasize(FileAccPropList &fapl)
+static herr_t test_datasize(FileAccPropList &fapl)
 {
     SUBTEST("DataSet::getInMemDataSize()");
     try
@@ -354,13 +342,9 @@ test_datasize(FileAccPropList &fapl)
  *
  * Programmer   Binh-Minh Ribler (using C version)
  *              Friday, January 5, 2001
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
-static herr_t
-test_tconv(H5File& file)
+static herr_t test_tconv(H5File& file)
 {
     // Prepare buffers for input/output
     char        *out=NULL, *in=NULL;
@@ -437,6 +421,7 @@ const H5Z_class2_t H5Z_BOGUS[1] = {{
     (H5Z_func_t)filter_bogus,   /* The actual filter function        */
 }};
 
+
 /*-------------------------------------------------------------------------
  * Function:    bogus
  *
@@ -448,13 +433,9 @@ const H5Z_class2_t H5Z_BOGUS[1] = {{
  *
  * Programmer   Robb Matzke
  *              Tuesday, April 21, 1998
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
-static size_t
-filter_bogus(unsigned int flags, size_t cd_nelmts,
+static size_t filter_bogus(unsigned int flags, size_t cd_nelmts,
       const unsigned int cd_values[], size_t nbytes,
       size_t *buf_size, void **buf)
 // H5_ATTR_UNUSED variables caused warning, but taking them out caused failure.
@@ -477,13 +458,9 @@ filter_bogus(unsigned int flags, size_t cd_nelmts,
  *
  * Programmer   Binh-Minh Ribler (using C version)
  *              Friday, January 5, 2001
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
-static herr_t
-test_compression(H5File& file)
+static herr_t test_compression(H5File& file)
 {
 #ifndef H5_HAVE_FILTER_DEFLATE
     const char *not_supported;
@@ -764,9 +741,10 @@ test_compression(H5File& file)
  *
  *-------------------------------------------------------------------------
  */
-const H5std_string        DSET_NBIT_NAME("nbit_dataset");
+const H5std_string DSET_NBIT_NAME("nbit_dataset");
 const hsize_t DIM1 = 2;
 const hsize_t DIM2 = 5;
+
 static herr_t test_nbit_compression(H5File& file)
 {
     typedef struct {
@@ -880,13 +858,9 @@ static herr_t test_nbit_compression(H5File& file)
  *
  * Programmer   Binh-Minh Ribler (using C version)
  *              Saturday, February 17, 2001
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
-static herr_t
-test_multiopen (H5File& file)
+static herr_t test_multiopen (H5File& file)
 {
 
     SUBTEST("Multi-open with extending");
@@ -963,13 +937,9 @@ test_multiopen (H5File& file)
  *
  * Programmer   Binh-Minh Ribler (using C version)
  *              February 17, 2001
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
-static herr_t
-test_types(H5File& file)
+static herr_t test_types(H5File& file)
 {
     SUBTEST("Various datatypes");
 
@@ -1148,23 +1118,21 @@ test_types(H5File& file)
 /*-------------------------------------------------------------------------
  * Function:    test_virtual
  *
- * Purpose:     Tests fixed, unlimited, and printf selections in the same
+ * Purpose      Tests fixed, unlimited, and printf selections in the same
  *              VDS
  *
- * Return:      Success:        0
+ * Return       Success:        0
  *
  *              Failure:        number of errors
  *
- * Programmer:  Binh-Minh Ribler
+ * Programmer   Binh-Minh Ribler
  *              Friday, March 10, 2017
  *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 const int RANK = 2;
-static herr_t
-test_virtual()
+
+static herr_t test_virtual()
 {
     SUBTEST("DSetCreatPropList::setVirtual");
 
@@ -1293,17 +1261,15 @@ void test_dset()
     cleanup_dsets();
 }   // test_dset
 
+
 /*-------------------------------------------------------------------------
  * Function:    cleanup_dsets
  *
  * Purpose      Cleanup temporary test files
  *
- * Return       none
+ * Return       None
  *
  * Programmer   (use C version)
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 extern "C"
diff --git a/c++/test/h5cpputil.cpp b/c++/test/h5cpputil.cpp
index f0c403c..f271eed 100644
--- a/c++/test/h5cpputil.cpp
+++ b/c++/test/h5cpputil.cpp
@@ -47,9 +47,6 @@ using namespace H5;
  *
  * Programmer   Binh-Minh Ribler (using C code segment for reporting tests)
  *              Friday, February 6, 2001
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 int test_report( int nerrors, const H5std_string& testname )
@@ -135,9 +132,6 @@ void issue_fail_msg(const char* where, int line, const char* file_name,
  *
  * Programmer   Binh-Minh Ribler (using C code segment for checking values)
  *              Friday, February 6, 2001
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 int check_values (hsize_t i, hsize_t j, int apoint, int acheck)
@@ -191,9 +185,6 @@ void check_values(const char *value, const char* msg, int line, const char* file
  *
  * Programmer   Binh-Minh Ribler
  *              May 2, 2010
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 void verify_val(const char* x, const char* value, const char* where, int line, const char* file_name)
diff --git a/c++/test/tarray.cpp b/c++/test/tarray.cpp
index a1de9c5..6bd4ca6 100644
--- a/c++/test/tarray.cpp
+++ b/c++/test/tarray.cpp
@@ -53,13 +53,10 @@ typedef enum int_t {
  *
  * Purpose      Tests 1-D array of compound datatypes (with array fields)
  *
- * Return       None.
+ * Return       None
  *
  * Programmer   Binh-Minh Ribler (using C version)
  *              January, 2016
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static void test_array_compound_array()
@@ -280,35 +277,33 @@ static void test_array_compound_array()
 } // end test_array_compound_array()
 
 
+/*
+ * Helper routine to demonstrate the issue in HDFFV-9562
+ */
+H5::DataType getArr()
+{
+    hsize_t *dims = new hsize_t; 
+    *dims = 5; 
+    H5::ArrayType ret; 
+    ret = H5::ArrayType(H5::PredType::NATIVE_INT, 1, dims); 
+    delete[] dims; 
+    return ret;
+}
+
 /*-------------------------------------------------------------------------
  * Function:    test_array_assignment
  *
  * Purpose      Tests the operator=
  *
- * Return       None.
+ * Return       None
  *
  * Programmer   Binh-Minh Ribler (using C version)
  *              March, 2016
  *
  * Description:
  *              Used user's sample code in HDFFV-9562
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
-/*
- * Helper routine to demonstrate the issue in HDFFV-9562
- */
-H5::DataType getArr()
-{
-    hsize_t *dims = new hsize_t; 
-    *dims = 5; 
-    H5::ArrayType ret; 
-    ret = H5::ArrayType(H5::PredType::NATIVE_INT, 1, dims); 
-    delete[] dims; 
-    return ret; }
-
 static void test_array_assignment()
 {
     hsize_t sdims1[] = {SPACE1_DIM1};
@@ -359,13 +354,10 @@ static void test_array_assignment()
  *
  * Purpose      Tests getting array information using the const methods.
  *
- * Return       None.
+ * Return       None
  *
  * Programmer   Binh-Minh Ribler
  *              April, 2016
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static void test_array_info()
@@ -477,11 +469,14 @@ static void test_array_info()
 } // end test_array_info()
 
 
-/****************************************************************
-**
-**  test_array(): Main datatypes testing routine.
-**
-****************************************************************/
+/*-------------------------------------------------------------------------
+ * Function:    test_array
+ *
+ * Purpose      Main datatypes testing routine
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 extern "C"
 void test_array()
 {
@@ -505,13 +500,10 @@ void test_array()
  *
  * Purpose      Cleanup temporary test files
  *
- * Return       none
+ * Return       None
  *
  * Programmer   Binh-Minh Ribler (using C version)
  *              January, 2016
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 extern "C"
diff --git a/c++/test/tattr.cpp b/c++/test/tattr.cpp
index d1a0d67..5aa4bf5 100644
--- a/c++/test/tattr.cpp
+++ b/c++/test/tattr.cpp
@@ -101,12 +101,15 @@ float attr_data5 = (float)-5.123;     // Test data for 5th attribute
 const H5std_string ATTR1A_NAME("Attr1_a");
 int attr_data1a[ATTR1_DIM1]={256,11945,-22107};
 
-/****************************************************************
-**
-**  test_attr_basic_write(): Test basic write attribute.
-**      Tests integer attributes on both datasets and groups
-**
-****************************************************************/
+
+/*-------------------------------------------------------------------------
+ * Function:    test_attr_basic_write
+ *
+ * Purpose      Test basic write attribute on both datasets and groups.
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 static void test_attr_basic_write()
 {
     hsize_t dims1[] = {SPACE1_DIM1, SPACE1_DIM2, SPACE1_DIM3};
@@ -233,29 +236,34 @@ static void test_attr_basic_write()
     }
 }   // test_attr_basic_write()
 
-/****************************************************************
-**
-**  test_attr_getname(): Test getting attribute name functions.
-**
-**  Test these functions:
-**  A. ssize_t Attribute::getName(char* attr_name, size_t buf_size)
-**    1. With arbitrary buf_size that is larger than the name size
-**    2. With arbitrary buf_size that is smaller than the name's length.
-**    3. With a buf_size that equals the name's length.
-**
-**  B. ssize_t Attribute::getName(H5std_string& attr_name, size_t buf_size)
-**    1. With buffer smaller than the actual name
-**    2. Same test but with retiring overloaded function
-**        ssize_t Attribute::getName(size_t buf_size, H5std_string& attr_name)
-**
-**  C. H5std_string Attribute::getName()
-**
-**  D. H5std_string Attribute::getName(size_t len)
-**
-**  E. ssize_t Attribute::getName(H5std_string& attr_name, size_t buf_size)
-**        With buffer size equals the name's length, i.e., buf_size=0
-**
-****************************************************************/
+
+/*-------------------------------------------------------------------------
+ * Function:    test_attr_getname
+ *
+ * Purpose      Test getting attribute name.
+ *
+ * Description
+ *  Test these functions:
+ *  A. ssize_t Attribute::getName(char* attr_name, size_t buf_size)
+ *    1. With arbitrary buf_size that is larger than the name size
+ *    2. With arbitrary buf_size that is smaller than the name's length.
+ *    3. With a buf_size that equals the name's length.
+ *
+ *  B. ssize_t Attribute::getName(H5std_string& attr_name, size_t buf_size)
+ *    1. With buffer smaller than the actual name
+ *    2. Same test but with retiring overloaded function
+ *        ssize_t Attribute::getName(size_t buf_size, H5std_string& attr_name)
+ *
+ *  C. H5std_string Attribute::getName()
+ *
+ *  D. H5std_string Attribute::getName(size_t len)
+ *
+ *  E. ssize_t Attribute::getName(H5std_string& attr_name, size_t buf_size)
+ *        With buffer size equals the name's length, i.e., buf_size=0
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 static void test_attr_getname()
 {
     // Output message about test being performed
@@ -368,11 +376,15 @@ static void test_attr_getname()
     }
 }   // test_attr_getname()
 
-/****************************************************************
-**
-**  test_attr_rename(): Test renaming attribute function.
-**
-****************************************************************/
+
+/*-------------------------------------------------------------------------
+ * Function:    test_attr_rename
+ *
+ * Purpose      Test renaming attribute function.
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 static void test_attr_rename()
 {
     int read_data1[ATTR1_DIM1]={0}; // Buffer for reading the attribute
@@ -479,11 +491,15 @@ static void test_attr_rename()
     }
 }   // test_attr_rename()
 
-/********************************************************************
-**
-**  test_attr_basic_read(): Test basic read attribute.
-**
-********************************************************************/
+
+/*-------------------------------------------------------------------------
+ * Function:    test_attr_basic_read
+ *
+ * Purpose      Test basic read attribute.
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 static void test_attr_basic_read()
 {
     hsize_t i, j;
@@ -548,11 +564,15 @@ static void test_attr_basic_read()
     }
 }   // test_attr_basic_read()
 
-/****************************************************************
-**
-**  test_attr_compound_write(): Tests compound datatype attributes
-**
-****************************************************************/
+
+/*-------------------------------------------------------------------------
+ * Function:    test_attr_compound_write
+ *
+ * Purpose      Test writing attributes with compound datatype.
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 static void test_attr_compound_write()
 {
 
@@ -608,11 +628,15 @@ static void test_attr_compound_write()
     }
 }   // test_attr_compound_write()
 
-/****************************************************************
-**
-**  test_attr_compound_read(): Test basic H5A (attribute) code.
-**
-****************************************************************/
+
+/*-------------------------------------------------------------------------
+ * Function:    test_attr_compound_read
+ *
+ * Purpose      Test reading attributes with compound datatype.
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 static void test_attr_compound_read()
 {
     hsize_t dims[ATTR_MAX_DIMS];        // Attribute dimensions
@@ -760,11 +784,15 @@ static void test_attr_compound_read()
     }
 }   // test_attr_compound_read()
 
-/****************************************************************
-**
-**  test_attr_scalar_write(): Test scalar attribute writing functionality.
-**
-****************************************************************/
+
+/*-------------------------------------------------------------------------
+ * Function:    test_attr_scalar_write
+ *
+ * Purpose      Test scalar attribute writing functionality.
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 static void test_attr_scalar_write()
 {
     // Output message about test being performed
@@ -815,11 +843,15 @@ static void test_attr_scalar_write()
     }
 }   // test_attr_scalar_write()
 
-/****************************************************************
-**
-**  test_attr_scalar_read(): Test scalar attribute reading functionality.
-**
-****************************************************************/
+
+/*-------------------------------------------------------------------------
+ * Function:    test_attr_scalar_read
+ *
+ * Purpose      Test scalar attribute reading functionality.
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 /* Epsilon for floating-point comparisons */
 #define FP_EPSILON 0.000001F
 
@@ -864,11 +896,15 @@ static void test_attr_scalar_read()
     }
 }   // test_attr_scalar_read()
 
-/****************************************************************
-**
-**  test_attr_mult_write(): Test multiple attributes
-**
-****************************************************************/
+
+/*-------------------------------------------------------------------------
+ * Function:    test_attr_mult_write
+ *
+ * Purpose      Test writing multiple attributes.
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 static void test_attr_mult_write()
 {
     // Output message about test being performed
@@ -937,11 +973,15 @@ static void test_attr_mult_write()
     }
 }   // test_attr_mult_write()
 
-/****************************************************************
-**
-**  test_attr_mult_read(): Test reading multiple attributes.
-**
-****************************************************************/
+
+/*-------------------------------------------------------------------------
+ * Function:    test_attr_mult_read
+ *
+ * Purpose      Test reading multiple attributes.
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 static void test_attr_mult_read()
 {
     int     read_data1[ATTR1_DIM1]={0}; // Buffer for reading 1st attribute
@@ -1128,12 +1168,15 @@ static void test_attr_mult_read()
     }
 }   // test_attr_mult_read()
 
-/****************************************************************
-**
-**  test_attr_delete(): Test deleting attribute from different
-**                      hdf5 objects.
-**
-****************************************************************/
+
+/*-------------------------------------------------------------------------
+ * Function:    test_attr_delete
+ *
+ * Purpose      Test deleting attribute from different hdf5 objects.
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 static void test_attr_delete()
 {
     H5std_string  attr_name; // Buffer for attribute names
@@ -1245,20 +1288,23 @@ static void test_attr_delete()
     }
 }   // test_attr_delete()
 
-/****************************************************************
-**
-**  test_attr_dtype_shared(): Test code for using shared datatypes
-**                            in attributes.
-**
-****************************************************************/
+
+/*-------------------------------------------------------------------------
+ * Function:    test_attr_dtype_shared
+ *
+ * Purpose      Test accessing attributes using shared datatypes.
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 static void test_attr_dtype_shared()
 {
-    int data=8;                 /* Data to write */
-    int rdata=0;                /* Read read in */
+    int data=8;                 // Data to write
+    int rdata=0;                // Data read in
 #ifndef H5_NO_DEPRECATED_SYMBOLS
-    H5G_stat_t statbuf;         /* Object's information */
-#endif /* H5_NO_DEPRECATED_SYMBOLS */
-    h5_stat_size_t filesize;             /* Size of file after modifications */
+    H5G_stat_t statbuf;         // Object's information
+#endif
+    h5_stat_size_t filesize;    // Size of file after modifications
 
     // Output message about test being performed
     SUBTEST("Shared Datatypes with Attributes");
@@ -1294,7 +1340,7 @@ static void test_attr_dtype_shared()
         // Check reference count on named datatype
         fid1.getObjinfo(TYPE1_NAME, statbuf);
         verify_val((int)statbuf.nlink, 1, "DataType::getObjinfo", __LINE__, __FILE__);
-#endif /* H5_NO_DEPRECATED_SYMBOLS */
+#endif
 
         // Create dataspace for dataset
         DataSpace dspace;
@@ -1305,7 +1351,7 @@ static void test_attr_dtype_shared()
         // Check reference count on named datatype
         fid1.getObjinfo(TYPE1_NAME, statbuf);
         verify_val((int)statbuf.nlink, 2, "H5File::getObjinfo", __LINE__, __FILE__);
-#endif /* H5_NO_DEPRECATED_SYMBOLS */
+#endif
 
         // Create attribute on dataset
         Attribute attr = dset.createAttribute(ATTR1_NAME,dtype,dspace);
@@ -1314,7 +1360,7 @@ static void test_attr_dtype_shared()
         // Check reference count on named datatype
         fid1.getObjinfo(TYPE1_NAME, statbuf);
         verify_val((int)statbuf.nlink, 3, "DataSet::getObjinfo", __LINE__, __FILE__);
-#endif /* H5_NO_DEPRECATED_SYMBOLS */
+#endif
 
         // Close attribute
         attr.close();
@@ -1326,7 +1372,7 @@ static void test_attr_dtype_shared()
         // Check reference count on named datatype
         fid1.getObjinfo(TYPE1_NAME, statbuf);
         verify_val((int)statbuf.nlink, 2, "DataSet::getObjinfo after DataSet::removeAttr", __LINE__, __FILE__);
-#endif /* H5_NO_DEPRECATED_SYMBOLS */
+#endif
 
         // Create attribute on dataset
         attr = dset.createAttribute(ATTR1_NAME,dtype,dspace);
@@ -1335,7 +1381,7 @@ static void test_attr_dtype_shared()
         // Check reference count on named datatype
         fid1.getObjinfo(TYPE1_NAME, statbuf);
         verify_val((int)statbuf.nlink, 3, "DataSet::createAttribute", __LINE__, __FILE__);
-#endif /* H5_NO_DEPRECATED_SYMBOLS */
+#endif
 
         // Write data into the attribute
         attr.write(PredType::NATIVE_INT,&data);
@@ -1372,7 +1418,7 @@ static void test_attr_dtype_shared()
         // Check reference count on named datatype
         fid1.getObjinfo(TYPE1_NAME, statbuf);
         verify_val((int)statbuf.nlink, 3, "DataSet::openAttribute", __LINE__, __FILE__);
-#endif /* H5_NO_DEPRECATED_SYMBOLS */
+#endif
         } // end of second enclosing
 
         // Unlink the dataset
@@ -1382,7 +1428,7 @@ static void test_attr_dtype_shared()
         // Check reference count on named datatype
         fid1.getObjinfo(TYPE1_NAME, statbuf);
         verify_val((int)statbuf.nlink, 1, "H5File::unlink", __LINE__, __FILE__);
-#endif /* H5_NO_DEPRECATED_SYMBOLS */
+#endif
 
         // Unlink the named datatype
         fid1.unlink(TYPE1_NAME);
@@ -1403,12 +1449,15 @@ static void test_attr_dtype_shared()
     }
 }   // test_attr_dtype_shared()
 
-/****************************************************************
-**
-**  test_string_attr(): Test read/write string attribute.
-**      Tests string attributes on groups.
-**
-****************************************************************/
+
+/*-------------------------------------------------------------------------
+ * Function:    test_string_attr
+ *
+ * Purpose      Test read/write string attribute.
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 /* Info for a string attribute */
 const H5std_string ATTR1_FL_STR_NAME("String_attr 1");
 const H5std_string ATTR2_FL_STR_NAME("String_attr 2");
@@ -1528,12 +1577,18 @@ static void test_string_attr()
     }
 }   // test_string_attr()
 
-/****************************************************************
-**
-**  test_attr_exists(): Test checking for attribute existence.
-**        (additional attrExists tests are in test_attr_rename())
-**
-****************************************************************/
+
+/*-------------------------------------------------------------------------
+ * Function:    test_attr_exists
+ *
+ * Purpose      Test checking for attribute existence.
+ *
+ * Return       None
+ *
+ * Note
+ *              Additional attrExists tests are in test_attr_rename().
+ *-------------------------------------------------------------------------
+ */
 static void test_attr_exists()
 {
     // Output message about test being performed
@@ -1577,12 +1632,15 @@ static void test_attr_exists()
     }
 }   // test_attr_exists()
 
-/****************************************************************
-**
-**  test_attr_dense_create(): Test phase change properties
-**      Tests "dense" attribute storage creation
-**
-****************************************************************/
+
+/*-------------------------------------------------------------------------
+ * Function:    test_attr_dense_create
+ *
+ * Purpose      Test phase change properties
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 const H5std_string FILE_CRTPROPS("tattr_crt_properties.h5");
 const int NAME_BUF_SIZE = 1024;
 const unsigned MAX_COMPACT_DEF = 8;
@@ -1686,12 +1744,15 @@ static void test_attr_dense_create(FileCreatPropList& fcpl,
     }
 }   // test_attr_dense_create()
 
-/****************************************************************
-**
-**  test_attr_corder_create_basic(): Test creation order properties
-**      Tests creating an object w/attribute creation order info
-**
-****************************************************************/
+
+/*-------------------------------------------------------------------------
+ * Function:    test_attr_corder_create_basic
+ *
+ * Purpose      Test creation order properties
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 static void test_attr_corder_create_basic(FileCreatPropList& fcpl,
                                    FileAccPropList& fapl)
 {
@@ -1771,11 +1832,15 @@ static void test_attr_corder_create_basic(FileCreatPropList& fcpl,
     }
 }   // test_attr_corder_create_basic()
 
-/****************************************************************
-**
-**  test_attr(): Main attribute testing routine.
-**
-****************************************************************/
+
+/*-------------------------------------------------------------------------
+ * Function:    test_attr
+ *
+ * Purpose      Main attribute testing routine
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 extern "C"
 void test_attr()
 {
@@ -1858,19 +1923,14 @@ void test_attr()
         issue_fail_msg("test_attr()", __LINE__, __FILE__, E.getCDetailMsg());
     }
 }   // test_attr()
+
 
 /*-------------------------------------------------------------------------
- * Function     cleanup_attr
+ * Function:    cleanup_attr
  *
  * Purpose      Cleanup temporary test files
  *
- * Return       none
- *
- * Programmer   Albert Cheng
- *              July 2, 1998
- *
- * Modifications:
- *
+ * Return       None
  *-------------------------------------------------------------------------
  */
 extern "C"
diff --git a/c++/test/tcompound.cpp b/c++/test/tcompound.cpp
index 3af78c5..55d4744 100644
--- a/c++/test/tcompound.cpp
+++ b/c++/test/tcompound.cpp
@@ -49,9 +49,6 @@ typedef struct complex_t {
  *
  * Programmer   Binh-Minh Ribler (using C version)
  *              January, 2007
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static void test_compound_1()
@@ -86,9 +83,6 @@ static void test_compound_1()
  *
  * Programmer   Binh-Minh Ribler (use C version)
  *              January, 2007
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static void test_compound_2()
@@ -211,9 +205,6 @@ static void test_compound_2()
  *
  * Programmer   Binh-Minh Ribler (use C version)
  *              January, 2007
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static void test_compound_3()
@@ -333,9 +324,6 @@ static void test_compound_3()
  *
  * Programmer   Binh-Minh Ribler (use C version)
  *              January, 2007
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static void test_compound_4()
@@ -466,9 +454,6 @@ static void test_compound_4()
  *
  * Programmer   Binh-Minh Ribler (use C version)
  *              January, 2007
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static void test_compound_5()
@@ -569,9 +554,6 @@ static void test_compound_5()
  *
  * Programmer   Binh-Minh Ribler (use C version)
  *              January, 2007
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static void test_compound_6()
@@ -651,6 +633,7 @@ static void test_compound_6()
     }
 }   // test_compound_6()
 
+
 /*-------------------------------------------------------------------------
  * Function:    test_compound_7
  *
@@ -661,9 +644,6 @@ static void test_compound_6()
  *
  * Programmer   Binh-Minh Ribler (use C version)
  *              January, 2007
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static void test_compound_7()
@@ -717,6 +697,7 @@ static void test_compound_7()
         issue_fail_msg(E.getCFuncName(), __LINE__, __FILE__, E.getCDetailMsg());
     }
 }   // test_compound_7()
+
 
 /*-------------------------------------------------------------------------
  * Function:    test_compound_set_size
@@ -727,12 +708,10 @@ static void test_compound_7()
  *
  * Programmer   Binh-Minh Ribler (use partial C version test_ooo_order)
  *              March, 2014
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 const H5std_string COMPFILE("tcompound_types.h5");
+
 static void test_compound_set_size()
 {
     typedef struct {
@@ -807,6 +786,7 @@ static void test_compound_set_size()
         issue_fail_msg(E.getCFuncName(), __LINE__, __FILE__, E.getCDetailMsg());
     }
 }   // test_compound_set_size()
+
 
 /*-------------------------------------------------------------------------
  * Function:    test_compound
@@ -817,9 +797,6 @@ static void test_compound_set_size()
  *
  * Programmer   Binh-Minh Ribler
  *              January 2007
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 extern "C"
@@ -845,9 +822,6 @@ void test_compound()
  * Purpose      Cleanup temporary test files - nothing at this time.
  *
  * Return       none
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 extern "C"
diff --git a/c++/test/tdspl.cpp b/c++/test/tdspl.cpp
index 4aaa93a..438f385 100644
--- a/c++/test/tdspl.cpp
+++ b/c++/test/tdspl.cpp
@@ -111,11 +111,14 @@ static void test_transfplist()
 }
 
 
-/****************************************************************
-**
-**  test_dsproplist(): Main dataset property list testing routine.
-**
-****************************************************************/
+/*-------------------------------------------------------------------------
+ * Function:    test_dsproplist
+ *
+ * Purpose      Main dataset property list testing routine
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 extern "C"
 void test_dsproplist()
 {
@@ -126,6 +129,15 @@ void test_dsproplist()
 
 }   // test_dsproplist()
 
+
+/*-------------------------------------------------------------------------
+ * Function:    cleanup_dsproplist
+ *
+ * Purpose      Cleanup temporary test files
+ *
+ * Return       none
+ *-------------------------------------------------------------------------
+ */
 extern "C"
 void cleanup_dsproplist()
 {
diff --git a/c++/test/tfile.cpp b/c++/test/tfile.cpp
index 51682a3..ba5b486 100644
--- a/c++/test/tfile.cpp
+++ b/c++/test/tfile.cpp
@@ -78,7 +78,6 @@ const H5std_string    FILE4("tfile4.h5");
  *                     passed to verify_val to 'long' as well.  If problems
  *                     arises later, this will have to be specificly handled
  *                     with a special routine.
- *
  *-------------------------------------------------------------------------
  */
 static void test_file_create()
@@ -285,7 +284,6 @@ static void test_file_create()
  *                     passed to verify_val to 'long' as well.  If problems
  *                     arises later, this will have to be specificly handled
  *                     with a special routine.
- *
  *-------------------------------------------------------------------------
  */
 static void test_file_open()
@@ -360,9 +358,6 @@ static void test_file_open()
  *
  * Programmer   Raymond Lu
  *              June, 2004
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static void test_file_size()
@@ -425,9 +420,6 @@ static void test_file_size()
  *
  * Programmer   Binh-Minh Ribler
  *              July, 2004
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 const int        RANK = 2;
@@ -507,6 +499,15 @@ static void test_file_name()
 }   // test_file_name()
 
 
+/*-------------------------------------------------------------------------
+ *
+ * Function:    test_file_attribute
+ *
+ * Purpose      Test file attributes
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 const int        RANK1 = 1;
 const int        ATTR1_DIM1 = 3;
 const H5std_string        FILE5("tfattrs.h5");
@@ -618,11 +619,6 @@ static void test_file_attribute()
 }   // test_file_attribute()
 
 
-const H5std_string        FILE6("tfile5.h5");
-const H5std_string        ROOTGROUP("/");
-const H5std_string        GROUP1("/G1");
-const H5std_string        SUBGROUP3("/G1/G3");
-
 /*-------------------------------------------------------------------------
  * Function:    test_libver_bounds_real
  *
@@ -634,9 +630,13 @@ const H5std_string        SUBGROUP3("/G1/G3");
  *
  * Programmer   Binh-Minh Ribler (use C version)
  *              March, 2015
- *
  *-------------------------------------------------------------------------
  */
+const H5std_string        FILE6("tfile5.h5");
+const H5std_string        ROOTGROUP("/");
+const H5std_string        GROUP1("/G1");
+const H5std_string        SUBGROUP3("/G1/G3");
+
 static void test_libver_bounds_real(
                 H5F_libver_t libver_create, unsigned oh_vers_create,
                 H5F_libver_t libver_mod, unsigned oh_vers_mod)
@@ -707,6 +707,7 @@ static void test_libver_bounds_real(
 
 } /* end test_libver_bounds_real() */
 
+
 /*-------------------------------------------------------------------------
  *
  * Function:    test_libver_bounds
@@ -718,7 +719,6 @@ static void test_libver_bounds_real(
  *
  * Programmer   Binh-Minh Ribler (use C version)
  *              March 2015
- *
  *-------------------------------------------------------------------------
  */
 static void test_libver_bounds()
@@ -731,9 +731,10 @@ static void test_libver_bounds()
     test_libver_bounds_real(H5F_LIBVER_LATEST, H5O_VERSION_2, H5F_LIBVER_EARLIEST, H5O_VERSION_2);
     PASSED();
 } /* end test_libver_bounds() */
+
 
 /*-------------------------------------------------------------------------
- * Function:        test_commonfg
+ * Function:    test_commonfg
  *
  * Purpose      Verify that H5File works as a root group.
  *
@@ -741,7 +742,6 @@ static void test_libver_bounds()
  *
  * Programmer   Binh-Minh Ribler (use C version)
  *              March, 2015
- *
  *-------------------------------------------------------------------------
  */
 static void test_commonfg()
@@ -793,9 +793,8 @@ static void test_commonfg()
     }
 
 } /* end test_commonfg() */
-
-const H5std_string        FILE7("tfile7.h5");
 
+
 /*-------------------------------------------------------------------------
  * Function:    test_file_info
  *
@@ -807,11 +806,12 @@ const H5std_string        FILE7("tfile7.h5");
  *
  * Programmer   Binh-Minh Ribler
  *              February, 2017
- *
  *-------------------------------------------------------------------------
  */
+const H5std_string FILE7("tfile7.h5");
 const hsize_t FSP_SIZE_DEF = 4096;
 const hsize_t FSP_SIZE512 = 512;
+
 static void test_file_info()
 {
     // Output message about test being performed
@@ -932,6 +932,7 @@ static void test_file_info()
         issue_fail_msg("test_filespace_info()", __LINE__, __FILE__, E.getCDetailMsg());
     }
 }  /* test_file_info() */
+
 
 /*-------------------------------------------------------------------------
  * Function:    test_file
@@ -942,9 +943,6 @@ static void test_file_info()
  *
  * Programmer   Binh-Minh Ribler (use C version)
  *              January 2001
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 extern "C"
@@ -970,11 +968,6 @@ void test_file()
  * Purpose      Cleanup temporary test files
  *
  * Return       none
- *
- * Programmer   (use C version)
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 #ifdef __cplusplus
diff --git a/c++/test/tfilter.cpp b/c++/test/tfilter.cpp
index 5de6590..5a493ac 100644
--- a/c++/test/tfilter.cpp
+++ b/c++/test/tfilter.cpp
@@ -65,6 +65,7 @@ const H5Z_class2_t H5Z_BOGUS[1] = {{
     (H5Z_func_t)filter_bogus,   /* The actual filter function   */
 }};
 
+
 /*-------------------------------------------------------------------------
  * Function:    filter_bogus
  *
@@ -76,9 +77,6 @@ const H5Z_class2_t H5Z_BOGUS[1] = {{
  *
  * Programmer   Robb Matzke
  *              Tuesday, April 21, 1998
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static size_t
@@ -92,6 +90,7 @@ filter_bogus(size_t nbytes)
     return nbytes;
 }
 
+
 /*-------------------------------------------------------------------------
  * Function:    test_null_filter
  *
@@ -104,11 +103,8 @@ filter_bogus(size_t nbytes)
  *
  * Modifications:
  *              Note: H5Z interface is not implemented yet.
- *
  *-------------------------------------------------------------------------
  */
-
-// Chunk dimensions
 const hsize_t chunk_size[2] = {FILTER_CHUNK_DIM1, FILTER_CHUNK_DIM2};
 
 static void test_null_filter()
@@ -144,6 +140,7 @@ static void test_null_filter()
     }
 }  // test_null_filter
 
+
 /*-------------------------------------------------------------------------
  * Function:    test_szip_filter
  *
@@ -156,11 +153,9 @@ static void test_null_filter()
  *
  * Modifications:
  *              Note: H5Z interface is not implemented yet.
- *
  *-------------------------------------------------------------------------
  */
-
-const H5std_string      DSET_SZIP_NAME("szipped dataset");
+const H5std_string DSET_SZIP_NAME("szipped dataset");
 
 static void test_szip_filter(H5File& file1)
 {
@@ -242,11 +237,14 @@ static void test_szip_filter(H5File& file1)
 }  // test_szip_filter
 
 
-/****************************************************************
-**
-**  test_filters(): Main routine for testing filters.
-**
-****************************************************************/
+/*-------------------------------------------------------------------------
+ * Function:    test_filters
+ *
+ * Purpose      Main routine for testing filters
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 const H5std_string      FILE1("tfilters.h5");
 extern "C"
 void test_filters()
@@ -274,18 +272,13 @@ void test_filters()
     }
 }   // test_filters()
 
+
 /*-------------------------------------------------------------------------
  * Function:    cleanup_filters
  *
  * Purpose      Cleanup temporary test files
  *
  * Return       none
- *
- * Programmer   Quincey Koziol
- *              September 10, 1999
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 extern "C"
diff --git a/c++/test/th5s.cpp b/c++/test/th5s.cpp
index e99ce99..9c92b64 100644
--- a/c++/test/th5s.cpp
+++ b/c++/test/th5s.cpp
@@ -82,13 +82,13 @@ struct space4_struct {
 /* Null dataspace */
 int space5_data = 7;
 
+
 /*-------------------------------------------------------------------------
- *
  * Function:    test_h5s_basic
  *
  * Purpose      Test basic H5S (dataspace) code
  *
- * Return       none
+ * Return       None
  *
  * Programmer   Binh-Minh Ribler (using C version)
  *              Mar 2001
@@ -214,13 +214,13 @@ static void test_h5s_basic()
     }
 }   // test_h5s_basic()
 
+
 /*-------------------------------------------------------------------------
- *
  * Function:    test_h5s_scalar_write
  *
  * Purpose      Test scalar H5S (dataspace) writing code
  *
- * Return       none
+ * Return       None
  *
  * Programmer   Binh-Minh Ribler (using C version)
  *              Mar 2001
@@ -278,13 +278,13 @@ static void test_h5s_scalar_write()
     }
 }   // test_h5s_scalar_write()
 
+
 /*-------------------------------------------------------------------------
- *
  * Function:    test_h5s_scalar_read
  *
  * Purpose      Test scalar H5S (dataspace) reading code
  *
- * Return       none
+ * Return       None
  *
  * Programmer   Binh-Minh Ribler (using C version)
  *              Mar 2001
@@ -340,13 +340,13 @@ static void test_h5s_scalar_read()
 
 }   // test_h5s_scalar_read()
 
+
 /*-------------------------------------------------------------------------
- *
  * Function:    test_h5s_null
  *
  * Purpose      Test null H5S (dataspace) code
  *
- * Return       none
+ * Return       None
  *
  * Programmer   Raymond Lu (using C version)
  *              May 18, 2004
@@ -394,14 +394,14 @@ static void test_h5s_null()
     }
 }   // test_h5s_null()
 
+
 /*-------------------------------------------------------------------------
- *
  * Function:    test_h5s_compound_scalar_write
  *
  * Purpose      Test scalar H5S (dataspace) writing for compound
  *              datatypes
  *
- * Return       none
+ * Return       None
  *
  * Programmer   Binh-Minh Ribler (using C version)
  *              Mar 2001
@@ -467,14 +467,14 @@ static void test_h5s_compound_scalar_write()
     }
 }   // test_h5s_compound_scalar_write()
 
+
 /*-------------------------------------------------------------------------
- *
  * Function:    test_h5s_compound_scalar_read
  *
  * Purpose      Test scalar H5S (dataspace) reading for compound
  *              datatypes
  *
- * Return       none
+ * Return       None
  *
  * Programmer   Binh-Minh Ribler (using C version)
  *              Mar 2001
@@ -541,18 +541,16 @@ static void test_h5s_compound_scalar_read()
     }
 }   // test_h5s_compound_scalar_read()
 
+
 /*-------------------------------------------------------------------------
- *
  * Function:    test_h5s
  *
  * Purpose      Main dataspace testing routine
  *
- * Return       none
+ * Return       None
  *
  * Programmer   Binh-Minh Ribler (using C version)
  *              Mar 2001
- *
- * Modifications:
  *-------------------------------------------------------------------------
  */
 extern "C"
@@ -575,13 +573,7 @@ void test_h5s()
  *
  * Purpose      Cleanup temporary test files
  *
- * Return       none
- *
- * Programmer   Albert Cheng
- *              July 2, 1998
- *
- * Modifications:
- *
+ * Return       None
  *-------------------------------------------------------------------------
  */
 extern "C"
diff --git a/c++/test/titerate.cpp b/c++/test/titerate.cpp
index 5c760f3..e77ebcc 100644
--- a/c++/test/titerate.cpp
+++ b/c++/test/titerate.cpp
@@ -78,23 +78,25 @@ typedef struct {
 
 int iter_strcmp(const void *s1, const void *s2);
 
-/****************************************************************
-**
-**  iter_strcmp(): String comparison routine for qsort
-**
-****************************************************************/
+
+/*-------------------------------------------------------------------------
+ * Function:    iter_strcmp
+ *
+ * Purpose      String comparison routine for qsort
+ *-------------------------------------------------------------------------
+ */
 int iter_strcmp(const void *s1, const void *s2)
 {
     return(HDstrcmp(*(const char * const *)s1,*(const char * const *)s2));
 }
 
-/****************************************************************
-**
-**  liter_cb(): Custom link iteration callback routine.
-**
-****************************************************************/
-static herr_t
-liter_cb(hid_t H5_ATTR_UNUSED group, const char *name, const H5L_info_t H5_ATTR_UNUSED *link_info, void *op_data)
+/*-------------------------------------------------------------------------
+ * Function:    liter_cb
+ *
+ * Purpose      Custom link iteration callback routine
+ *-------------------------------------------------------------------------
+ */
+static herr_t liter_cb(hid_t H5_ATTR_UNUSED group, const char *name, const H5L_info_t H5_ATTR_UNUSED *link_info, void *op_data)
 {
     iter_info *info = (iter_info *)op_data;
     static int count = 0;
@@ -123,6 +125,7 @@ liter_cb(hid_t H5_ATTR_UNUSED group, const char *name, const H5L_info_t H5_ATTR_
     } /* end switch */
 } /* end liter_cb() */
 
+
 /*-------------------------------------------------------------------------
  * Function:    test_iter_group
  *
@@ -133,9 +136,6 @@ liter_cb(hid_t H5_ATTR_UNUSED group, const char *name, const H5L_info_t H5_ATTR_
  *
  * Programmer   Binh-Minh Ribler
  *              Friday, September 9, 2016
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static void test_iter_group(FileAccPropList& fapl)
@@ -348,13 +348,13 @@ static void test_iter_group(FileAccPropList& fapl)
 #endif
 } /* test_iter_group() */
 
-
-/****************************************************************
-**
-**  printelems(): Open an attribute and verify that it has a 
-**                the correct name
-**
-****************************************************************/
+
+/*-------------------------------------------------------------------------
+ * Function:    printelems
+ *
+ * Purpose      Open an attribute and verify that it has a the correct name
+ *-------------------------------------------------------------------------
+ */
 const H5std_string FILE_NAME("titerate.h5");
 const H5std_string GRP_NAME("/Group_A");
 const H5std_string FDATASET_NAME("file dset");
@@ -386,6 +386,7 @@ void printelems(const Group& group, const H5std_string& dsname, const H5std_stri
     }
 }
 
+
 /*-------------------------------------------------------------------------
  * Function:    test_HDFFV_9920
  *
@@ -393,9 +394,6 @@ void printelems(const Group& group, const H5std_string& dsname, const H5std_stri
  *
  * Programmer   Binh-Minh Ribler
  *              Friday, September 9, 2016
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static void test_HDFFV_9920()
@@ -444,7 +442,7 @@ static void test_HDFFV_9920()
     }
 }
 
-
+
 /*-------------------------------------------------------------------------
  * Function:    test_iterate
  *
@@ -455,9 +453,6 @@ static void test_HDFFV_9920()
  *
  * Programmer   Binh-Minh Ribler
  *              Tuesday, September 6, 2016
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 extern "C"
@@ -476,17 +471,13 @@ void test_iterate()
 
 }    // test_iterate
 
+
 /*-------------------------------------------------------------------------
  * Function:    cleanup_iterate
  *
  * Purpose      Cleanup temporary test files
  *
  * Return       none
- *
- * Programmer   (use C version)
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 extern "C"
diff --git a/c++/test/tlinks.cpp b/c++/test/tlinks.cpp
index dc592b3..e348d64 100644
--- a/c++/test/tlinks.cpp
+++ b/c++/test/tlinks.cpp
@@ -328,9 +328,6 @@ static const char *FILENAME[] = {
  *
  * Programmer   Binh-Minh Ribler
  *              October 16, 2009
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static void test_basic_links(hid_t fapl_id, hbool_t new_format)
@@ -414,6 +411,11 @@ static void test_basic_links(hid_t fapl_id, hbool_t new_format)
         H5File file(filename, H5F_ACC_RDWR, FileCreatPropList::DEFAULT, fapl);
 
         // Verify link existence
+        if(file.nameExists("dset1", LinkAccPropList::DEFAULT) != TRUE)
+            throw InvalidActionException("H5File::nameExists", "dset1 doesn't exist");
+        if(file.nameExists("grp1/soft", LinkAccPropList::DEFAULT) != TRUE)
+            throw InvalidActionException("H5File::nameExists", "grp1/soft doesn't exist");
+        // Deprecated
         if(file.exists("dset1", LinkAccPropList::DEFAULT) != TRUE)
             throw InvalidActionException("H5File::exists", "dset1 doesn't exist");
         if(file.exists("grp1/soft", LinkAccPropList::DEFAULT) != TRUE)
@@ -446,9 +448,6 @@ static void test_basic_links(hid_t fapl_id, hbool_t new_format)
  *
  * Programmer   Binh-Minh Ribler
  *              October 16, 2009
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static void test_num_links(hid_t fapl_id, hbool_t new_format)
@@ -483,6 +482,7 @@ static void test_num_links(hid_t fapl_id, hbool_t new_format)
         issue_fail_msg("test_num_links()", __LINE__, __FILE__, E.getCDetailMsg());
     }
 } // test_num_links
+
 
 /*-------------------------------------------------------------------------
  * Function:    test_links
@@ -493,7 +493,6 @@ static void test_num_links(hid_t fapl_id, hbool_t new_format)
  *
  * Programmer   Binh-Minh Ribler
  *              October 16, 2009
- *
  *-------------------------------------------------------------------------
  */
 extern "C"
@@ -671,18 +670,13 @@ void test_links()
 
 }
 
+
 /*-------------------------------------------------------------------------
  * Function:    cleanup_links
  *
  * Purpose      Cleanup temporary test files
  *
  * Return       none
- *
- * Programmer   Binh-Minh Ribler
- *              October 16, 2009
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 extern "C"
diff --git a/c++/test/tobject.cpp b/c++/test/tobject.cpp
index d9f4075..9980ce0 100644
--- a/c++/test/tobject.cpp
+++ b/c++/test/tobject.cpp
@@ -45,6 +45,7 @@ const H5std_string        DSET_IN_GRP1_PATH("/Top Group/Dataset_in_Group_1");
 const H5std_string        DSET_IN_GRP1_2("Dataset_in_Group_1.2");
 const H5std_string        DSET_IN_GRP1_2_PATH("/Top Group/Sub-Group 1.2/Dataset_in_Group_1.2");
 
+
 /*-------------------------------------------------------------------------
  * Function:    test_get_objname
  *
@@ -65,9 +66,6 @@ const H5std_string        DSET_IN_GRP1_2_PATH("/Top Group/Sub-Group 1.2/Dataset_
  *
  * Programmer   Binh-Minh Ribler
  *              Friday, March 4, 2014
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static void test_get_objname()
@@ -153,6 +151,7 @@ static void test_get_objname()
     }
 }   // test_get_objname
 
+
 /*-------------------------------------------------------------------------
  * Function:    test_existance
  *
@@ -173,9 +172,6 @@ static void test_get_objname()
  *
  * Programmer   Binh-Minh Ribler
  *              Friday, March 4, 2014
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static void test_existance()
@@ -187,18 +183,30 @@ static void test_existance()
         H5File file(FILE_OBJECTS, H5F_ACC_RDONLY);
 
         // Check if GROUP1 exists in the file
-        bool exists = file.exists(GROUP1);
+        bool exists = file.nameExists(GROUP1);
+        verify_val(exists, TRUE, "Group::nameExists GROUP1_1", __LINE__, __FILE__);
+        // Deprecated
+        exists = file.exists(GROUP1);
+        verify_val(exists, TRUE, "Group::exists GROUP1_1", __LINE__, __FILE__);
 
         // Open GROUP1
         Group grp1 = file.openGroup(GROUP1);
 
         // Check if GROUP1_1 and GROUP1_2 exist in GROUP1
+        exists = grp1.nameExists(GROUP1_1);
+        verify_val(exists, TRUE, "Group::nameExists GROUP1_1", __LINE__, __FILE__);
+        exists = grp1.nameExists(GROUP1_2);
+        verify_val(exists, TRUE, "Group::nameExists GROUP1_2", __LINE__, __FILE__);
+        // Deprecated
         exists = grp1.exists(GROUP1_1);
         verify_val(exists, TRUE, "Group::exists GROUP1_1", __LINE__, __FILE__);
         exists = grp1.exists(GROUP1_2);
         verify_val(exists, TRUE, "Group::exists GROUP1_2", __LINE__, __FILE__);
 
         // Check if DSET_IN_GRP1 exists in GROUP1
+        exists = grp1.nameExists(DSET_IN_GRP1);
+        verify_val(exists, TRUE, "Group::nameExists DSET_IN_GRP1", __LINE__, __FILE__);
+        // Deprecated
         exists = grp1.exists(DSET_IN_GRP1);
         verify_val(exists, TRUE, "Group::exists DSET_IN_GRP1", __LINE__, __FILE__);
 
@@ -206,14 +214,22 @@ static void test_existance()
         Group grp1_2 = grp1.openGroup(GROUP1_2);
 
         // Check if DSET_IN_GRP1_2 exists in GROUP1_2
+        exists = grp1_2.nameExists(DSET_IN_GRP1_2);
+        verify_val(exists, TRUE, "Group::nameExists DSET_IN_GRP1_2", __LINE__, __FILE__);
+        // Deprecated
         exists = grp1_2.exists(DSET_IN_GRP1_2);
         verify_val(exists, TRUE, "Group::exists DSET_IN_GRP1_2", __LINE__, __FILE__);
 
         // Check if a dataset exists given dataset as location with full path name
         DataSet dset1 = file.openDataSet(DSET_IN_FILE);
+        exists = dset1.nameExists("/Top Group/Dataset_in_Group_1");
+        verify_val(exists, TRUE, "Group::nameExists given dataset with full path name", __LINE__, __FILE__);
+
+        exists = grp1_2.nameExists(DSET_IN_GRP1);
+        verify_val(exists, FALSE, "Group::nameExists DSET_IN_GRP1", __LINE__, __FILE__);
+        // Deprecated
         exists = dset1.exists("/Top Group/Dataset_in_Group_1");
         verify_val(exists, TRUE, "Group::exists given dataset with full path name", __LINE__, __FILE__);
-
         exists = grp1_2.exists(DSET_IN_GRP1);
         verify_val(exists, FALSE, "Group::exists DSET_IN_GRP1", __LINE__, __FILE__);
 
@@ -229,6 +245,7 @@ static void test_existance()
     }
 }   // test_existance
 
+
 /*-------------------------------------------------------------------------
  * Function:    test_get_objname_ontypes
  *
@@ -239,9 +256,6 @@ static void test_existance()
  *
  * Programmer   Binh-Minh Ribler
  *              March 4, 2014
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static void test_get_objname_ontypes()
@@ -330,6 +344,7 @@ static void test_get_objname_ontypes()
     }
 }   // test_get_objname_ontypes
 
+
 /*-------------------------------------------------------------------------
  * Function:    test_get_objtype
  *
@@ -340,9 +355,6 @@ static void test_get_objname_ontypes()
  *
  * Programmer   Binh-Minh Ribler
  *              Friday, March 4, 2014
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static void test_get_objtype()
@@ -394,6 +406,7 @@ static void test_get_objtype()
         issue_fail_msg("test_get_objtype", __LINE__, __FILE__);
     }
 }   // test_get_objtype
+
 
 /*-------------------------------------------------------------------------
  * Function:    test_open_object_header
@@ -404,9 +417,6 @@ static void test_get_objtype()
  *
  * Programmer   Binh-Minh Ribler (use C version)
  *              March, 2017
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 const H5std_string GROUPNAME("group");
@@ -416,6 +426,7 @@ const H5std_string DSETNAME("dataset");
 #define RANK 2
 #define DIM0 5
 #define DIM1 10
+
 static void test_open_object_header()
 {
     hsize_t     dims[2];
@@ -513,6 +524,7 @@ static void test_open_object_header()
         issue_fail_msg("test_file_name()", __LINE__, __FILE__, E.getCDetailMsg());
     }
 } /* test_open_object_header() */
+
 
 /*-------------------------------------------------------------------------
  * Function:    test_objects
@@ -524,9 +536,6 @@ static void test_open_object_header()
  *
  * Programmer   Binh-Minh Ribler
  *              Friday, Mar 4, 2014
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 extern "C"
@@ -543,17 +552,13 @@ void test_object()
 
 }   // test_objects
 
+
 /*-------------------------------------------------------------------------
  * Function:    cleanup_objects
  *
  * Purpose      Cleanup temporary test files
  *
- * Return       none
- *
- * Programmer   (use C version)
- *
- * Modifications:
- *
+ * Return       None
  *-------------------------------------------------------------------------
  */
 extern "C"
diff --git a/c++/test/trefer.cpp b/c++/test/trefer.cpp
index 9074154..bb09616 100644
--- a/c++/test/trefer.cpp
+++ b/c++/test/trefer.cpp
@@ -61,14 +61,16 @@ typedef struct s1_t {
     float c;
 } s1_t;
 
-/****************************************************************
-**
-**  test_reference_params(): Test basic H5R (reference) parameters
-**                           for correct processing
-**
-****************************************************************/
-static void
-test_reference_params(void)
+
+/*-------------------------------------------------------------------------
+ * Function:    test_reference_params
+ *
+ * Purpose      Test basic H5R (reference) parameters for correct processing
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
+static void test_reference_params()
 {
     const char *write_comment = "Foo!"; /* Comments for group */
 
@@ -177,13 +179,17 @@ test_reference_params(void)
         delete file1;
 }   /* test_reference_param() */
 
-/****************************************************************
-**
-**  test_reference_obj(): Test basic object reference functions
-**                        to various kinds of objects
-**
-****************************************************************/
-static void test_reference_obj(void)
+
+/*-------------------------------------------------------------------------
+ * Function:    test_reference_obj
+ *
+ * Purpose      Test basic object reference functions to various kinds
+ *              of objects
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
+static void test_reference_obj()
 {
     int    i;          // counting variables
     const  H5std_string write_comment="Foo!"; // Comments for group
@@ -369,14 +375,15 @@ static void test_reference_obj(void)
         delete file1;
 }   // test_reference_obj()
 
-
-/****************************************************************
-**
-**  test_reference_group(): Test object reference functionality
-**      Tests for correct behavior of various routines on
-**        dereferenced group
-**
-****************************************************************/
+
+/*-------------------------------------------------------------------------
+ * Function:    test_reference_group
+ *
+ * Purpose      Test object reference functionality on group.
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 #define GROUPNAME       "/group"
 #define GROUPNAME2      "group2"
 #define GROUPNAME3      "group3"
@@ -384,8 +391,7 @@ static void test_reference_obj(void)
 #define DSETNAME2       "dset2"
 #define NAME_SIZE       16
 
-static void
-test_reference_group(void)
+static void test_reference_group()
 {
     hobj_ref_t wref;        /* Reference to write */
     hobj_ref_t rref;        /* Reference to read */
@@ -498,14 +504,16 @@ test_reference_group(void)
         delete file1;
 }   /* test_reference_group() */
 
-/****************************************************************
-**
-**  test_reference_region_1D(): Test 1-D reference functionality
-**      Tests 1-D references to various kinds of objects
-**
-****************************************************************/
-static void
-test_reference_region_1D(void)
+
+/*-------------------------------------------------------------------------
+ * Function:    test_reference_region_1D
+ *
+ * Purpose      Test 1-D reference functionality on various kinds of objects.
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
+static void test_reference_region_1D()
 {
     hsize_t        start[SPACE3_RANK];     /* Starting location of hyperslab */
     hsize_t        stride[SPACE3_RANK];    /* Stride of hyperslab */
@@ -787,26 +795,14 @@ test_reference_region_1D(void)
     }
 }   /* test_reference_region_1D() */
 
-
-/****************************************************************
-**
-**  test_reference_compat(): Test basic object reference functionality.
-**      Tests references to various kinds of objects using deprecated API.
-**
-****************************************************************/
-static void test_reference_compat(void)
-{
-   // Not yet
-}   // test_reference_compat()
-
-
-/****************************************************************
-**
-**  test_reference(): Main reference testing routine.
-**
-****************************************************************/
+/*-------------------------------------------------------------------------
+ *
+ *  test_reference(): Main reference testing routine.
+ *
+ *-------------------------------------------------------------------------
+ */
 extern "C"
-void test_reference(void)
+void test_reference()
 {
     // Output message about test being performed
     MESSAGE(5, ("Testing References\n"));
@@ -815,18 +811,20 @@ void test_reference(void)
     test_reference_obj();       // Test basic object reference functionality
     test_reference_group();     // Test group reference functionality
     test_reference_region_1D(); // Test 1-D reference functionality
-    test_reference_compat();    // Tests deprecated reference routines (not yet)
 
 }   // test_reference()
 
 
-/****************************************************************
-** Function:    cleanup_reference
-** Purpose      Cleanup temporary test files
-** Return       none
-****************************************************************/
+/*-------------------------------------------------------------------------
+ * Function:    cleanup_reference
+ *
+ * Purpose      Cleanup temporary test files
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 extern "C"
-void cleanup_reference(void)
+void cleanup_reference()
 {
     HDremove(FILE1.c_str());
     HDremove(FILE2.c_str());
diff --git a/c++/test/ttypes.cpp b/c++/test/ttypes.cpp
index 3cf0920..a2bd561 100644
--- a/c++/test/ttypes.cpp
+++ b/c++/test/ttypes.cpp
@@ -87,6 +87,7 @@ typedef struct {
     long   c;
     double d;
 } src_typ_t;
+
 
 /*-------------------------------------------------------------------------
  * Function:    test_classes
@@ -97,9 +98,6 @@ typedef struct {
  *
  * Programmer   Binh-Minh Ribler (using C version)
  *              January, 2007
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static void test_classes()
@@ -126,6 +124,7 @@ static void test_classes()
         issue_fail_msg("test_classes", __LINE__, __FILE__, E.getCDetailMsg());
     }
 }
+
 
 /*-------------------------------------------------------------------------
  * Function:    test_copy
@@ -136,9 +135,6 @@ static void test_classes()
  *
  * Programmer   Binh-Minh Ribler (using C version)
  *              January, 2007
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static void test_copy()
@@ -192,9 +188,6 @@ static void test_copy()
  *
  * Programmer   Binh-Minh Ribler (using C version)
  *              August, 2017
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 typedef struct {     /* Struct with atomic fields */
@@ -390,9 +383,6 @@ static void test_detect_type_class()
  *
  * Programmer   Binh-Minh Ribler (use C version)
  *              August, 2017
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 static void test_vltype()
@@ -465,12 +455,8 @@ static void test_vltype()
  *
  * Programmer   Binh-Minh Ribler (use C version)
  *              January, 2007
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
-
 const H5std_string CompT_NAME("Compound_type");
 const H5std_string EnumT_NAME("Enum_type");
 
@@ -591,12 +577,10 @@ static void test_query()
  *
  * Programmer   Binh-Minh Ribler (use C version)
  *              January, 2007
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 const char* filename1 = "dtypes1.h5";
+
 static void test_transient ()
 {
     static hsize_t        ds_size[2] = {10, 20};
@@ -668,12 +652,10 @@ static void test_transient ()
  *
  * Programmer   Binh-Minh Ribler (use C version)
  *              January, 2007
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 const H5std_string filename2("dtypes2.h5");
+
 static void test_named ()
 {
     static hsize_t ds_size[2] = {10, 20};
@@ -831,14 +813,12 @@ static void test_named ()
  *
  * Programmer   Binh-Minh Ribler (using C version)
  *              August, 2017
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 const H5std_string filename3("encode_decode.h5");
 const int ARRAY1_RANK = 1;
 const int ARRAY1_DIM = 10;
+
 static void test_encode_decode()
 {
     short        enum_val;
@@ -1045,11 +1025,14 @@ static void test_encode_decode()
 }
 
 
-/****************************************************************
-**
-**  test_types(): Main datatypes testing routine.
-**
-****************************************************************/
+/*-------------------------------------------------------------------------
+ * Function:    test_types
+ *
+ * Purpose      Main datatypes testing routine
+ *
+ * Return       None
+ *-------------------------------------------------------------------------
+ */
 extern "C"
 void test_types()
 {
@@ -1074,13 +1057,7 @@ void test_types()
  *
  * Purpose      Cleanup temporary test files
  *
- * Return       none
- *
- * Programmer   Quincey Koziol
- *              September 10, 1999
- *
- * Modifications:
- *
+ * Return       None
  *-------------------------------------------------------------------------
  */
 extern "C"
diff --git a/c++/test/tvlstr.cpp b/c++/test/tvlstr.cpp
index d5fea07..2421a87 100644
--- a/c++/test/tvlstr.cpp
+++ b/c++/test/tvlstr.cpp
@@ -40,16 +40,22 @@ const H5std_string FILENAME("tvlstr.h5");
 const int SPACE1_RANK = 1;
 const hsize_t SPACE1_DIM1 = 4;
 
-/****************************************************************
-**
-**  test_vlstr_alloc_custom(): Test VL datatype custom memory
-**        allocation routines.  This routine just uses malloc to
-**        allocate the memory and increments the amount of memory
-**        allocated.  It is passed into setVlenMemManager.
-**
-**  Note: exact copy from the C version.
-**  (Not used now)
-****************************************************************/
+/*-------------------------------------------------------------------------
+ * Function:    test_vlstr_alloc_custom
+ *
+ * Purpose      Test VL datatype custom memory allocation routines.
+ *
+ * Return       None
+ *
+ * Description
+ *      This routine just uses malloc to allocate the memory and
+ *      increments the amount of memory allocated.  It is passed
+ *      into setVlenMemManager.
+ *
+ *  Note: exact copy from the C version.
+ *  (Not used now)
+ *-------------------------------------------------------------------------
+ */
 #if 0 // not used now
 static void *test_vlstr_alloc_custom(size_t size, void *info)
 {
@@ -74,16 +80,22 @@ static void *test_vlstr_alloc_custom(size_t size, void *info)
 }
 #endif
 
-/****************************************************************
-**
-**  test_vlstr_free_custom(): Test VL datatype custom memory
-**        allocation routines.  This routine just uses free to
-**        release the memory and decrements the amount of memory
-**        allocated.  It is passed into setVlenMemManager.
-**
-**  Note: exact copy from the C version.
-**  (Not used now)
-****************************************************************/
+/*-------------------------------------------------------------------------
+ * Function:    test_vlstr_free_custom
+ *
+ * Purpose      Test VL datatype custom memory de-allocation routines.
+ *
+ * Return       None
+ *
+ * Description
+ *      This routine just uses free to release the memory and
+ *      decrements the amount of memory allocated.  It is passed
+ *      into setVlenMemManager.
+ *
+ *  Note: exact copy from the C version.
+ *  (Not used now)
+ *-------------------------------------------------------------------------
+ */
 #if 0 // not used now
 static void test_vlstr_free_custom(void *_mem, void *info)
 {
@@ -221,6 +233,7 @@ static void test_vlstring_dataset()
  *-------------------------------------------------------------------------
  */
 const H5std_string DSSTRARR_NAME("StringArray_dset");
+
 static void test_vlstring_array_dataset()
 {
     const char *string_ds_array[SPACE1_DIM1]= {
@@ -440,6 +453,7 @@ static void test_vlstrings_special()
  *-------------------------------------------------------------------------
  */
 const H5std_string      VLSTR_TYPE("vl_string_type");
+
 static void test_vlstring_type()
 {
     // Output message about test being performed.
@@ -608,10 +622,7 @@ static void test_compact_vlstring()
  *
  *-------------------------------------------------------------------------
  */
-// String for writing to attribute
 static char *string_att_write=NULL;
-
-// Info for a string attribute
 const H5std_string ATTRSTR_NAME("String_attr");
 const H5std_string ATTRSTR_DATA("String Attribute");
 
@@ -877,6 +888,7 @@ static void read_scalar_dset(H5File& file, DataType& type, DataSpace& space,
  */
 const H5std_string FILENAME2("tvlstr2.h5");
 const int REWRITE_NDATASETS = 32;
+
 static void test_vl_rewrite()
 {
     // Output message about test being performed
@@ -987,12 +999,6 @@ void test_vlstrings()
  * Purpose      Cleanup temporary test files
  *
  * Return       none
- *
- * Programmer   Quincey Koziol
- *              September 10, 1999
- *
- * Modifications:
- *
  *-------------------------------------------------------------------------
  */
 extern "C"