Provide a full output stream implementation for SerdBuffer

Essentially replaces serd_buffer_sink_finish() with serd_buffer_close(), which
makes writing to a buffer consistent with writing to a file or anything else.

3 files changed, 8 insertions, 7 deletions

diff --git a/test/test_reader_writer.c b/test/test_reader_writer.c
index 1bad22cd..b8afd649 100644
--- a/test/test_reader_writer.c
+++ b/test/test_reader_writer.c
@@ -121,7 +121,7 @@ test_writer(const char* const path)
 
   serd_writer_free(writer);
   serd_byte_sink_free(byte_sink);
-  char* out = serd_buffer_sink_finish(&buffer);
+  char* out = (char*)buffer.buf;
 
   assert(!strcmp(out, "@base <http://example.org/base> .\n"));
   serd_free(out);
diff --git a/test/test_terse_write.c b/test/test_terse_write.c
index 59227332..aeb264ea 100644
--- a/test/test_terse_write.c
+++ b/test/test_terse_write.c
@@ -29,7 +29,7 @@ static void
 check_output(SerdWriter* writer, SerdBuffer* buffer, const char* expected)
 {
   serd_writer_finish(writer);
-  serd_buffer_sink_finish(buffer);
+  serd_buffer_close(buffer);
 
   const char* output = (const char*)buffer->buf;
 
@@ -98,7 +98,6 @@ test(void)
   serd_sink_write(sink, 0, l2, rdf_rest, rdf_nil, NULL);
   check_output(writer, &buffer, "[]\n\trdf:value ( \"s1\" \"s2\" ) .\n");
 
-  serd_buffer_sink_finish(&buffer);
   serd_writer_free(writer);
   serd_byte_sink_free(byte_sink);
   serd_nodes_free(nodes);
diff --git a/test/test_writer.c b/test/test_writer.c
index 89531eee..83d4087c 100644
--- a/test/test_writer.c
+++ b/test/test_writer.c
@@ -83,14 +83,15 @@ test_write_long_literal(void)
   serd_writer_free(writer);
   serd_byte_sink_free(byte_sink);
   serd_env_free(env);
+  serd_buffer_close(&buffer);
 
-  char* out = serd_buffer_sink_finish(&buffer);
+  char* out = (char*)buffer.buf;
 
   static const char* const expected =
     "<http://example.org/s>\n"
     "\t<http://example.org/p> \"\"\"hello \"\"\\\"world\"\"\\\"!\"\"\" .\n";
 
-  assert(!strcmp((char*)out, expected));
+  assert(!strcmp(out, expected));
   serd_free(out);
 
   serd_world_free(world);
@@ -369,10 +370,11 @@ check_pname_escape(const char* const lname, const char* const expected)
   serd_writer_free(writer);
   serd_byte_sink_free(byte_sink);
   serd_env_free(env);
+  serd_buffer_close(&buffer);
 
-  char* out = serd_buffer_sink_finish(&buffer);
+  char* out = (char*)buffer.buf;
 
-  assert(!strcmp((char*)out, expected));
+  assert(!strcmp(out, expected));
   serd_free(out);
 
   free(uri);