Initial commit

src/allocator.c

@@ -0,0 +1,22 @@
+/**
+ * @file
+ * Replaceable memory allocator.
+ */
+#include "refcount/allocator.h"
+
+#include <stdlib.h>
+
+/**
+ * Initial value of #refcount_global_allocator.
+ */
+static const RefcountAllocator default_allocator = {
+    .malloc = malloc,
+    .realloc = realloc,
+    .free = free,
+};
+
+/**
+ * The global #RefcountAllocator used by other parts of RefCount. The default
+ * value just calls the C standard functions malloc, realloc, and free.
+ */
+const RefcountAllocator *refcount_global_allocator = &default_allocator;