procgroup capabilities

kernel/libk/ringbuffer.c

@@ -0,0 +1,20 @@
+#include <libk/ringbuffer.h>
+#include <libk/std.h>
+#include <libk/string.h>
+#include <mm/liballoc.h>
+
+bool ringbuffer_init (struct ringbuffer* rb, size_t capacity, size_t type_size) {
+  void* buf = malloc (capacity * type_size);
+
+  if (buf == NULL)
+    return false;
+
+  memset (rb, 0, sizeof (*rb));
+
+  rb->capacity = capacity;
+  rb->buffer = buf;
+
+  return true;
+}
+
+void ringbuffer_fini (struct ringbuffer* rb) { free (rb->buffer); }