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-rw-r--r--c++/src/H5CommonFG.cpp19
-rw-r--r--c++/src/H5CommonFG.h3
-rw-r--r--c++/test/trefer.cpp26
3 files changed, 42 insertions, 6 deletions
diff --git a/c++/src/H5CommonFG.cpp b/c++/src/H5CommonFG.cpp
index 8c1237d..2772903 100644
--- a/c++/src/H5CommonFG.cpp
+++ b/c++/src/H5CommonFG.cpp
@@ -1058,10 +1058,27 @@ H5std_string CommonFG::getObjnameByIdx(hsize_t idx) const
/// each time the group is opened.
// Programmer Binh-Minh Ribler - January, 2003
//--------------------------------------------------------------------------
+ssize_t CommonFG::getObjnameByIdx(hsize_t idx, char* name, size_t size) const
+{
+ ssize_t name_len = H5Lget_name_by_idx(getLocId(), ".", H5_INDEX_NAME, H5_ITER_INC, idx, name, size, H5P_DEFAULT);
+ if(name_len < 0)
+ {
+ throwException("getObjnameByIdx", "H5Lget_name_by_idx failed");
+ }
+ return (name_len);
+}
+
+//--------------------------------------------------------------------------
+// Function: CommonFG::getObjnameByIdx
+///\brief This is an overloaded member function, provided for convenience.
+/// It differs from the above function in that it takes an
+/// \c std::string for \a name.
+// Programmer Binh-Minh Ribler - January, 2003
+//--------------------------------------------------------------------------
ssize_t CommonFG::getObjnameByIdx(hsize_t idx, H5std_string& name, size_t size) const
{
char* name_C = new char[size];
- ssize_t name_len = H5Lget_name_by_idx(getLocId(), ".", H5_INDEX_NAME, H5_ITER_INC, idx, name_C, size, H5P_DEFAULT);
+ ssize_t name_len = getObjnameByIdx(idx, name_C, size);
if(name_len < 0)
{
throwException("getObjnameByIdx", "H5Lget_name_by_idx failed");
diff --git a/c++/src/H5CommonFG.h b/c++/src/H5CommonFG.h
index d472d42..75c9259 100644
--- a/c++/src/H5CommonFG.h
+++ b/c++/src/H5CommonFG.h
@@ -70,8 +70,9 @@ class H5_DLLCPP CommonFG {
// Retrieves the name of an object in this group, given the
// object's index.
- ssize_t getObjnameByIdx(hsize_t idx, H5std_string& name, size_t size) const;
H5std_string getObjnameByIdx(hsize_t idx) const;
+ ssize_t getObjnameByIdx(hsize_t idx, char* name, size_t size) const;
+ ssize_t getObjnameByIdx(hsize_t idx, H5std_string& name, size_t size) const;
#ifndef H5_NO_DEPRECATED_SYMBOLS
// Returns the type of an object in this group, given the
diff --git a/c++/test/trefer.cpp b/c++/test/trefer.cpp
index 16f6628..41ee808 100644
--- a/c++/test/trefer.cpp
+++ b/c++/test/trefer.cpp
@@ -47,6 +47,10 @@ const H5std_string FILE2("trefer2.h5");
const H5std_string FILE3("trefer3.h5");
const H5std_string DSET_DEFAULT_NAME("default");
+// Dataset 1
+const H5std_string DSET1_NAME("Dataset1");
+const int DSET1_LEN = 8;
+
const H5std_string MEMBER1( "a_name" );
const H5std_string MEMBER2( "b_name" );
const H5std_string MEMBER3( "c_name" );
@@ -109,7 +113,7 @@ static void test_reference_obj(void)
group.setComment(".", write_comment);
// Create a dataset (inside /Group1)
- DataSet dataset = group.createDataSet("Dataset1", PredType::NATIVE_UINT, sid1);
+ DataSet dataset = group.createDataSet(DSET1_NAME, PredType::NATIVE_UINT, sid1);
unsigned *tu32; // Temporary pointer to uint32 data
for (tu32=(unsigned *)wbuf, i=0; i<SPACE1_DIM1; i++)
@@ -223,13 +227,27 @@ static void test_reference_obj(void)
catch (Exception E) {} // We expect this to fail
// Test reading the name of an item in the group
+
+ // Test getObjnameByIdx(idx)
H5std_string name;
name = group.getObjnameByIdx(0);
- verify_val(name, "Dataset1", "Group::getObjnameByIdx", __LINE__, __FILE__);
+ verify_val(name, DSET1_NAME, "Group::getObjnameByIdx", __LINE__, __FILE__);
+ // Test getObjnameByIdx(hsize_t idx, H5std_string& name, size_t size)
name.clear();
ssize_t name_size = group.getObjnameByIdx(0, name, 5);
- verify_val(name, "Data", "Group::getObjnameByIdx(index,buf,buf_len)", __LINE__, __FILE__);
- verify_val(name_size, 8, "Group::getObjnameByIdx(index,buf,buf_len)", __LINE__, __FILE__);
+ verify_val(name, "Data", "Group::getObjnameByIdx(index,(std::string)buf,buf_len)", __LINE__, __FILE__);
+ verify_val(name_size, DSET1_LEN, "Group::getObjnameByIdx(index,(std::string)buf,buf_len)", __LINE__, __FILE__);
+
+ name.clear();
+ name_size = group.getObjnameByIdx(0, name, name_size+1);
+ verify_val(name, DSET1_NAME, "Group::getObjnameByIdx(index,(std::string)buf,buf_len)", __LINE__, __FILE__);
+ verify_val(name_size, DSET1_LEN, "Group::getObjnameByIdx(index,(std::string)buf,buf_len)", __LINE__, __FILE__);
+
+ // Test getObjnameByIdx(hsize_t idx, char* name, size_t size)
+ char name_C[DSET1_LEN+1];
+ group.getObjnameByIdx(0, name, name_size+1);
+ verify_val(name, DSET1_NAME, "Group::getObjnameByIdx(index,(char*)buf,buf_len)", __LINE__, __FILE__);
+ verify_val(name_size, DSET1_LEN, "Group::getObjnameByIdx(index,(char*)buf,buf_len)", __LINE__, __FILE__);
// Close group
group.close();