diff options
Diffstat (limited to 'src/query.c')
| -rw-r--r-- | src/query.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/query.c b/src/query.c index 4d259f2..df0f6d4 100644 --- a/src/query.c +++ b/src/query.c @@ -117,6 +117,11 @@ slv2_plugin_query(SLV2Plugin plugin, rasqal_query *rq = rasqal_new_query("sparql", NULL); + if (!rq) { + fprintf(stderr, "ERROR: Could not create Rasqal query\n"); + return NULL; + } + char* header = slv2_query_header(plugin); char* query_str = slv2_strjoin(header, sparql_str, NULL); @@ -182,10 +187,14 @@ slv2_plugin_query_count(SLV2Plugin plugin, const char* sparql_str) { rasqal_query_results* results = slv2_plugin_query(plugin, sparql_str); - unsigned ret = slv2_query_count_bindings(results); - rasqal_free_query_results(results); - return ret; + if (results) { + unsigned ret = slv2_query_count_bindings(results); + rasqal_free_query_results(results); + return ret; + } else { + return 0; + } } |