first commit

2024-04-19 02:11:41 +02:00
commit 60ff621676
5 changed files with 555 additions and 0 deletions
@@ -0,0 +1,24 @@
+#include <stddef.h>
+#include <stdint.h>
+
+struct buddy_alloc {
+    void *base;
+    void *lists[5];
+    uint32_t *bitsets;
+    int num_bitsets;
+};
+
+void init_buddy_alloc(struct buddy_alloc *alloc,
+                      char *base, size_t size,
+                      uint32_t *bitsets, int num_bitsets);
+
+void free_buddy_alloc(struct buddy_alloc *alloc);
+
+void *buddy_malloc(struct buddy_alloc *alloc,
+                   size_t len);
+
+void buddy_free(struct buddy_alloc *alloc,
+                void *ptr, size_t len);
+
+bool buddy_allocated(struct buddy_alloc *alloc,
+                     void *ptr, size_t len);