From bb1a00aac2e2315a88ef0274455e510afa79ea95 Mon Sep 17 00:00:00 2001 From: David Robillard Date: Sun, 16 Aug 2020 13:01:53 +0200 Subject: Ensure that all free methods tolerate NULL --- src/env.c | 4 ++++ src/reader.c | 4 ++++ src/writer.c | 4 ++++ 3 files changed, 12 insertions(+) (limited to 'src') diff --git a/src/env.c b/src/env.c index e5cb954a..e67b42c0 100644 --- a/src/env.c +++ b/src/env.c @@ -47,6 +47,10 @@ serd_env_new(const SerdNode* base_uri) void serd_env_free(SerdEnv* env) { + if (!env) { + return; + } + for (size_t i = 0; i < env->n_prefixes; ++i) { serd_node_free(&env->prefixes[i].name); serd_node_free(&env->prefixes[i].uri); diff --git a/src/reader.c b/src/reader.c index 4710caac..5d33e45d 100644 --- a/src/reader.c +++ b/src/reader.c @@ -218,6 +218,10 @@ serd_reader_set_error_sink(SerdReader* reader, void serd_reader_free(SerdReader* reader) { + if (!reader) { + return; + } + pop_node(reader, reader->rdf_nil); pop_node(reader, reader->rdf_rest); pop_node(reader, reader->rdf_first); diff --git a/src/writer.c b/src/writer.c index 81e0a845..5f312c30 100644 --- a/src/writer.c +++ b/src/writer.c @@ -978,6 +978,10 @@ serd_writer_set_prefix(SerdWriter* writer, void serd_writer_free(SerdWriter* writer) { + if (!writer) { + return; + } + serd_writer_finish(writer); serd_stack_free(&writer->anon_stack); free(writer->bprefix); -- cgit v1.2.1