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

1 files changed, 9 insertions, 3 deletions

diff --git a/mem.c b/mem.c
index 6e0bc1b..d464f7d 100644
--- a/mem.c
+++ b/mem.c
@@ -3,12 +3,12 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-void *M(void *p, size_t sz) {
-	if (sz == 0) {
+void *M(void *p, size_t old, size_t new) {
+	if (new == 0) {
 		free(p);
 		return NULL;
 	} else {
-		void *x = realloc(p, sz);
+		void *x = realloc(p, new);
 		if (x == NULL) {
 			printf("out of memory! aaaaaaa!!!!!\n");
 			exit(42);
@@ -16,3 +16,9 @@ void *M(void *p, size_t sz) {
 		return x;
 	}
 }
+
+Obj *alloc_obj(size_t sz, ObjTy oty) {
+	Obj *o = M(NULL, 0, sz);
+	o->oty = oty;
+	return o;
+}