2 files changed, 30 insertions, 2 deletions
diff --git a/include/serd/reader.h b/include/serd/reader.h
index cc19a9b8..a2b2698d 100644
--- a/include/serd/reader.h
+++ b/include/serd/reader.h
@@ -31,8 +31,7 @@ typedef struct SerdReaderImpl SerdReader;
 SERD_API SerdReader* SERD_ALLOCATED
 serd_reader_new(SerdWorld* SERD_NONNULL      world,
                 SerdSyntax                   syntax,
-                const SerdSink* SERD_NONNULL sink,
-                size_t                       stack_size);
+                const SerdSink* SERD_NONNULL sink);
 
 /**
    Enable or disable strict parsing.
diff --git a/include/serd/world.h b/include/serd/world.h
index abf2999c..fe381628 100644
--- a/include/serd/world.h
+++ b/include/serd/world.h
@@ -7,6 +7,9 @@
 #include "serd/attributes.h"
 #include "serd/error.h"
 #include "serd/node.h"
+#include "serd/status.h"
+
+#include <stddef.h>
 
 SERD_BEGIN_DECLS
 
@@ -19,6 +22,11 @@ SERD_BEGIN_DECLS
 /// Global library state
 typedef struct SerdWorldImpl SerdWorld;
 
+/// Resource limits to control allocation
+typedef struct {
+  size_t reader_stack_size;
+} SerdLimits;
+
 /**
    Create a new Serd World.
 
@@ -33,6 +41,27 @@ SERD_API void
 serd_world_free(SerdWorld* SERD_NULLABLE world);
 
 /**
+   Return the current resource limits.
+
+   These determine how much memory is allocated for reading and writing (where
+   the required stack space depends on the input data.  The defaults use about
+   a megabyte and over 100 levels of nesting, which is more than enough for
+   most data.
+*/
+SERD_API SerdLimits
+serd_world_limits(const SerdWorld* SERD_NONNULL world);
+
+/**
+   Set the current resource limits.
+
+   This updates the "current" limits, that is, those that will be used after
+   this call.  It can be used to configure allocation sizes before calling some
+   other function like serd_reader_new() that uses the current limits.
+*/
+SERD_API SerdStatus
+serd_world_set_limits(SerdWorld* SERD_NONNULL world, SerdLimits limits);
+
+/**
    Return a unique blank node.
 
    The returned node is valid only until the next time serd_world_get_blank()