Avoid dynamic allocation of world blank node

2 files changed, 16 insertions, 8 deletions

diff --git a/src/world.c b/src/world.c
index 5af8c3d4..58efac90 100644
--- a/src/world.c
+++ b/src/world.c
@@ -79,6 +79,7 @@ serd_world_new(void)
   const SerdStringView xsd_decimal = SERD_STRING(NS_XSD "decimal");
   const SerdStringView xsd_integer = SERD_STRING(NS_XSD "integer");
 
+  world->nodes       = nodes;
   world->rdf_first   = serd_nodes_uri(nodes, rdf_first);
   world->rdf_nil     = serd_nodes_uri(nodes, rdf_nil);
   world->rdf_rest    = serd_nodes_uri(nodes, rdf_rest);
@@ -87,8 +88,10 @@ serd_world_new(void)
   world->xsd_decimal = serd_nodes_uri(nodes, xsd_decimal);
   world->xsd_integer = serd_nodes_uri(nodes, xsd_integer);
 
-  world->blank_node = serd_new_token(SERD_BLANK, SERD_STRING("b00000000000"));
-  world->nodes      = nodes;
+  serd_node_construct_token(sizeof(world->blank),
+                            &world->blank,
+                            SERD_BLANK,
+                            SERD_STRING("b00000000000"));
 
   world->stderr_color = terminal_supports_color(stderr);
 
@@ -99,7 +102,6 @@ void
 serd_world_free(SerdWorld* const world)
 {
   if (world) {
-    serd_node_free(world->blank_node);
     serd_nodes_free(world->nodes);
     free(world);
   }
@@ -114,11 +116,11 @@ serd_world_nodes(SerdWorld* const world)
 const SerdNode*
 serd_world_get_blank(SerdWorld* const world)
 {
-  char* buf = serd_node_buffer(world->blank_node);
+  char* buf = world->blank.string;
   memset(buf, 0, BLANK_CHARS + 1);
 
-  world->blank_node->length =
+  world->blank.node.length =
     (size_t)snprintf(buf, BLANK_CHARS + 1, "b%u", ++world->next_blank_id);
 
-  return world->blank_node;
+  return &world->blank.node;
 }
diff --git a/src/world.h b/src/world.h
index 8043663e..8cc99e61 100644
--- a/src/world.h
+++ b/src/world.h
@@ -17,6 +17,7 @@
 #ifndef SERD_WORLD_H
 #define SERD_WORLD_H
 
+#include "node.h"
 #include "serd/serd.h"
 
 #include <stdbool.h>
@@ -26,7 +27,6 @@ struct SerdWorldImpl {
   SerdNodes*      nodes;
   SerdLogFunc     log_func;
   void*           log_handle;
-  SerdNode*       blank_node;
   const SerdNode* rdf_first;
   const SerdNode* rdf_nil;
   const SerdNode* rdf_rest;
@@ -34,7 +34,13 @@ struct SerdWorldImpl {
   const SerdNode* xsd_boolean;
   const SerdNode* xsd_decimal;
   const SerdNode* xsd_integer;
-  uint32_t        next_blank_id;
+
+  struct {
+    SerdNode node;
+    char     string[16];
+  } blank;
+
+  uint32_t next_blank_id;
 
   bool stderr_color;
 };