dtappbuilder: Further coverity, resource leaks, copy intofixed size buffer and dereference before null checl

cde/programs/dtappbuilder/src/libAButil/istr.c

@@ -446,6 +446,7 @@ istrP_create_alloced_impl(
                 fprintf(stderr, "%s",
 		    catgets(UTIL_MESSAGE_CATD, UTIL_MESSAGE_SET, 2,
 		    "ISTR: error in allocating space for string\n") );
+		free(new_bucket);
                 return NULL;
             }
             new_bucket->values[0] = freelist[freecount-1];
@@ -625,6 +626,7 @@ istr_create_const(
                 fprintf(stderr, "%s",
 		    catgets(UTIL_MESSAGE_CATD, UTIL_MESSAGE_SET, 2,
 		    "ISTR: error in allocating space for string\n") );
+		free(new_bucket);
                 return NULL;
             }
             new_bucket->values[0] = freelist[freecount-1];

cde/programs/dtappbuilder/src/libAButil/strlist.c

@@ -641,6 +641,8 @@ strlistP_grow_array(StringList list, int sizeDiff)
     if ((new_strings == NULL) || (new_user_datas == NULL))
     {
 	return_value = -1;
+	free(new_strings);
+	free(new_user_datas);
 	goto epilogue;
     }
     else

cde/programs/dtappbuilder/src/libAButil/util_file.c

@@ -563,6 +563,7 @@ util_derive_name_from_path(
         len = strlen(name) - (AB_EXT_LENGTH + 1);
         strncpy(objname, name, len);
         objname[len] = '\0';
+        free(name);
     }
     else
     {