started work on buffer allocator interface

buffer_allocator.c

@@ -0,0 +1,31 @@
+#include "allocator.h"
+
+// TODO
+
+static void *buffer_alloc(void *this, size_t bytes, const char *file, int line) {
+    (void)this;
+    (void)bytes;
+    (void)file;
+    (void)line;
+    return 0;
+}
+static void *buffer_resize(void *this, void *old_ptr, size_t bytes, const char *file, int line) {
+    (void)this;
+    (void)old_ptr;
+    (void)bytes;
+    (void)file;
+    (void)line;
+    return 0;
+}
+static void buffer_free(void *this, void *ptr, const char *file, int line) {
+    (void)this;
+    (void)ptr;
+    (void)file;
+    (void)line;
+}
+
+static const allocator_vtbl_t buffer_vtbl = {
+    .alloc = buffer_alloc,
+    .resize = buffer_resize,
+    .free = buffer_free,
+};