[svn-r25655] Purpose: Fixed HDFFV-8928

Description:
    Followed hints from user's report on JIRA to remove several potential
    memory leaks.
Platforms tested:
    Linux/ppc64 (ostrich)
    Linux/32 2.6 (jam)
    SunOS 5.11 (emu)

7 files changed, 25 insertions, 1 deletions

diff --git a/c++/src/H5CommonFG.cpp b/c++/src/H5CommonFG.cpp
index 8ee88d6..3aa0386 100644
--- a/c++/src/H5CommonFG.cpp
+++ b/c++/src/H5CommonFG.cpp
@@ -443,7 +443,10 @@ H5std_string CommonFG::getLinkval( const char* name, size_t size ) const
 
 	ret_value = H5Lget_val(getLocId(), name, value_C, val_size, H5P_DEFAULT);
 	if( ret_value < 0 )
+	{
+	    delete []value_C;
 	    throwException("getLinkval", "H5Lget_val failed");
+	}
 
 	value = H5std_string(value_C);
 	delete []value_C;
@@ -916,6 +919,12 @@ H5std_string CommonFG::getObjnameByIdx(hsize_t idx) const
 
     name_len = H5Lget_name_by_idx(getLocId(), ".", H5_INDEX_NAME, H5_ITER_INC, idx, name_C, name_len+1, H5P_DEFAULT);
 
+    if (name_len < 0)
+    {
+	delete []name_C;
+	throwException("getObjnameByIdx", "H5Lget_name_by_idx failed");
+    }
+
     // clean up and return the string
     H5std_string name = H5std_string(name_C);
     delete []name_C;
@@ -960,10 +969,15 @@ ssize_t CommonFG::getObjnameByIdx(hsize_t idx, H5std_string& name, size_t size)
    char* name_C = new char[size+1]; // temporary C-string for object name
    HDmemset(name_C, 0, size+1); // clear buffer
 
+   // call overloaded function to get the name
    ssize_t name_len = getObjnameByIdx(idx, name_C, size+1);
    if(name_len < 0)
+   {
+      delete []name_C;
       throwException("getObjnameByIdx", "H5Lget_name_by_idx failed");
+   }
 
+   // clean up and return the string
    name = H5std_string(name_C);
    delete []name_C;
    return (name_len);
diff --git a/c++/src/H5EnumType.cpp b/c++/src/H5EnumType.cpp
index 04bb9e0..a91c053 100644
--- a/c++/src/H5EnumType.cpp
+++ b/c++/src/H5EnumType.cpp
@@ -159,6 +159,7 @@ H5std_string EnumType::nameOf( void *value, size_t size ) const
    // If H5Tenum_nameof returns a negative value, raise an exception,
    if( ret_value < 0 )
    {
+      delete []name_C;
       throw DataTypeIException("EnumType::nameOf", "H5Tenum_nameof failed");
    }
    // otherwise, create the string to hold the datatype name and return it
diff --git a/c++/src/H5Exception.cpp b/c++/src/H5Exception.cpp
index 2d18825..daf6a74 100644
--- a/c++/src/H5Exception.cpp
+++ b/c++/src/H5Exception.cpp
@@ -80,8 +80,11 @@ H5std_string Exception::getMajorString( hid_t err_major ) const
 
    // Check for failure again
    if( mesg_size < 0 )
+   {
+      delete []mesg_C;
       throw IdComponentException("Exception::getMajorString",
 				"H5Eget_msg failed");
+   }
 
    // Convert the C error description and return
    H5std_string major_str(mesg_C);
@@ -116,8 +119,11 @@ H5std_string Exception::getMinorString( hid_t err_minor ) const
 
    // Check for failure again
    if( mesg_size < 0 )
+   {
+      delete []mesg_C;
       throw IdComponentException("Exception::getMinorString",
 				"H5Eget_msg failed");
+   }
 
    // Convert the C error description and return
    H5std_string minor_str(mesg_C);
diff --git a/c++/src/H5IdComponent.cpp b/c++/src/H5IdComponent.cpp
index 64297ee..4a9dcac 100644
--- a/c++/src/H5IdComponent.cpp
+++ b/c++/src/H5IdComponent.cpp
@@ -317,6 +317,7 @@ H5std_string IdComponent::p_get_file_name() const
    // Check for failure again
    if( name_size < 0 )
    {
+      delete []name_C;
       throw IdComponentException("", "H5Fget_name failed");
    }
 
diff --git a/c++/src/H5Location.cpp b/c++/src/H5Location.cpp
index 169ddf5..70be5bf 100644
--- a/c++/src/H5Location.cpp
+++ b/c++/src/H5Location.cpp
@@ -554,6 +554,7 @@ H5std_string H5Location::getComment(const char* name, size_t buf_size) const
 	ssize_t comment_len = getComment(name, tmp_len+1, comment_C);
 	if (comment_len < 0)
 	{
+	    delete []comment_C;
 	    throw LocationException("H5Location::getComment", "H5Oget_comment_by_name failed");
 	}
 
diff --git a/c++/src/H5PropList.cpp b/c++/src/H5PropList.cpp
index 56743f7..5afe80f 100644
--- a/c++/src/H5PropList.cpp
+++ b/c++/src/H5PropList.cpp
@@ -402,6 +402,7 @@ H5std_string PropList::getProperty(const char* name) const
    // Throw exception if H5Pget returns failure
    if (ret_value < 0)
    {
+      delete []prop_strg_C;
       throw PropListIException(inMemFunc("getProperty"), "H5Pget failed");
    }
 
diff --git a/c++/test/tfile.cpp b/c++/test/tfile.cpp
index 2bc0d01..e4e8d34 100644
--- a/c++/test/tfile.cpp
+++ b/c++/test/tfile.cpp
@@ -598,7 +598,7 @@ static void test_file_attribute()
     }   // end of try block
 
     catch (Exception E) {
-        issue_fail_msg("test_file_name()", __LINE__, __FILE__, E.getCDetailMsg());
+        issue_fail_msg("test_file_attribute()", __LINE__, __FILE__, E.getCDetailMsg());
     }
 }   // test_file_attribute()