zero memory in freelist_new

1 files changed, 2 insertions, 1 deletions

diff --git a/freelist.h b/freelist.h
index 69ef976..6a642d7 100644
--- a/freelist.h
+++ b/freelist.h
@@ -2,6 +2,7 @@
 #define FREELIST_H
 
 #include "arena.h"
+#include <string.h>
 
 #define FREELIST_NEW(fl, a)\
     (__typeof__(*(fl)))freelist_new((void**)(fl), sizeof(**(fl)), _Alignof(__typeof__(**(fl))), a)
@@ -14,7 +15,7 @@ static inline void *freelist_new(void **fl, size_t sz, size_t align, Arena *a) {
 		void *p = *fl;
 		void *next = *(void**)p;
 		*fl = next;
-		return p;
+		return memset(p, 0, sz);
 	} else {
 		/* must pad and align for ptr to next in freelist */
 		if (sz    < sizeof(void *))   sz    = sizeof(void *);