1 files changed, 29 insertions, 0 deletions
diff --git a/src/world.c b/src/world.c
index 6f5a26c1..f74513da 100644
--- a/src/world.c
+++ b/src/world.c
@@ -16,8 +16,37 @@
 
 #include "world.h"
 
+#include <stdarg.h>
+#include <stdio.h>
 #include <stdlib.h>
 
+SerdStatus
+serd_world_error(const SerdWorld* world, const SerdError* e)
+{
+  if (world->error_func) {
+    world->error_func(world->error_handle, e);
+  } else {
+    if (e->filename) {
+      fprintf(stderr, "error: %s:%u:%u: ", e->filename, e->line, e->col);
+    } else {
+      fprintf(stderr, "error: ");
+    }
+    vfprintf(stderr, e->fmt, *e->args);
+  }
+  return e->status;
+}
+
+SerdStatus
+serd_world_errorf(const SerdWorld* world, SerdStatus st, const char* fmt, ...)
+{
+  va_list args;
+  va_start(args, fmt);
+  const SerdError e = {st, NULL, 0, 0, fmt, &args};
+  serd_world_error(world, &e);
+  va_end(args);
+  return st;
+}
+
 SerdWorld*
 serd_world_new(void)
 {