[svn-r3602]

Purpose: Usability enhancement

Description:
	- Added more information about the failure to all the throw's,
	i.e, member function name and more detail about the failure, where
	appropriate.  Also, added exception throws for private functions,
	such as p_close to provide more specific details.

	- Added two api functions: Exception::getFuncName() and
	Exception::getCFuncName() to provide the name of the member
	function where failure occurs.

	- Fixed some typos, one of which caused segn. fault in some
	situations (resetIdComponent was accidentally called twice
	in a couple of places :)

Platforms:
	arabica (sparc-sun-solaris 2.7)

1 files changed, 5 insertions, 4 deletions

diff --git a/c++/src/H5IntType.cpp b/c++/src/H5IntType.cpp
index bc1e1bc..c97daeb 100644
--- a/c++/src/H5IntType.cpp
+++ b/c++/src/H5IntType.cpp
@@ -35,7 +35,7 @@ IntType::IntType( const PredType& pred_type ) : AtomType()
 // Creates a integer datatype using an existing id
 IntType::IntType( const hid_t existing_id ) : AtomType( existing_id ) {}
 
-// Gets the integer datatype of the specified dataset - will reimplement
+// Gets the integer datatype of the specified dataset - will reimplement -BMR
 IntType::IntType( const DataSet& dataset ) : AtomType()
 {  
    // Calls C function H5Dget_type to get the id of the datatype
@@ -43,7 +43,7 @@ IntType::IntType( const DataSet& dataset ) : AtomType()
 
    if( id <= 0 )
    {
-      throw DataSetIException();
+      throw DataSetIException("IntType constructor", "H5Dget_type failed");
    }
 }  
 
@@ -54,7 +54,8 @@ H5T_sign_t IntType::getSign() const
    // Returns a valid sign type if successful
    if( type_sign == H5T_SGN_ERROR )
    {
-      throw DataTypeIException();
+      throw DataTypeIException("IntType::getSign", 
+		"H5Tget_sign failed - returned H5T_SGN_ERROR for the sign type");
    }
    return( type_sign );
 }
@@ -66,7 +67,7 @@ void IntType::setSign( H5T_sign_t sign ) const
    herr_t ret_value = H5Tset_sign( id, sign );
    if( ret_value < 0 )
    {
-      throw DataTypeIException();
+      throw DataTypeIException("IntType::setSign", "H5Tset_sign failed");
    }
 }