give M extra param for tracking alloc size; macros for allocation

1 files changed, 12 insertions, 1 deletions

diff --git a/mem.h b/mem.h
index 8f66fed..0607b14 100644
--- a/mem.h
+++ b/mem.h
@@ -2,7 +2,18 @@
 #define _mem_h
 
 #include <stddef.h>
+#include "val.h"
+
+void *M(void *p, size_t old, size_t new);
+
+#define NEW(t) (t*)M(NULL, 0, sizeof(t))
+#define NEW_ARR(t,n) (t*)M(NULL, 0, (n)*sizeof(t))
+#define RENEW_ARR(p,t,old,new) (t*)M((p), (old)*sizeof(t), (new)*sizeof(t))
+#define NEW_OBJ(t, oty) (t*)alloc_obj(sizeof(t), oty)
+
+#define FREE(p,t) M(p, sizeof(t), 0)
+
+Obj *alloc_obj(size_t sz, ObjTy oty);
 
-void *M(void *p, size_t sz);
 
 #endif