+/* Copyright (c) 2010. The SimGrid Team.
+ * All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+/* Redefine the classical malloc/free/realloc functions so that they fit well in the mmalloc framework */
+
+#include "mmprivate.h"
+
+static void *__mmalloc_current_heap=NULL; /* The heap we are currently using. */
+
+void* mmalloc_get_current_heap(void) {
+ return __mmalloc_current_heap;
+}
+void mmalloc_set_current_heap(void *new_heap) {
+ __mmalloc_current_heap=new_heap;
+}
+
+#ifdef MMALLOC_WANT_OVERIDE_LEGACY
+void *malloc(size_t n) {
+ void *ret = mmalloc(__mmalloc_current_heap, n);
+
+ return ret;
+}
+
+void *calloc(size_t nmemb, size_t size) {
+ size_t total_size = nmemb * size;
+
+ void *ret = mmalloc(__mmalloc_current_heap, total_size);
+
+ /* Fill the allocated memory with zeroes to mimic calloc behaviour */
+ memset(ret,'\0', total_size);
+
+ return ret;
+}
+
+void *realloc(void *p, size_t s) {
+ void *ret = NULL;
+
+ if (s) {
+ if (p)
+ ret = mrealloc(__mmalloc_current_heap, p,s);
+ else
+ ret = mmalloc(__mmalloc_current_heap,s);
+ } else {
+ if (p)
+ mfree(__mmalloc_current_heap,p);
+ }
+
+ return ret;
+}
+
+void free(void *p) {
+ return mfree(__mmalloc_current_heap, p);
+}
+#endif
+
+/* Make sure it works with md==NULL */
+
+#define HEAP_OFFSET 40960000 /* Safety gap from the heap's break address */
+
+void *mmalloc_get_default_md(void) {
+ xbt_assert(__mmalloc_default_mdp);
+ return __mmalloc_default_mdp;
+}
+
+/* Initialize the default malloc descriptor. */
+#include "xbt_modinter.h"
+void mmalloc_preinit(void) {
+ __mmalloc_default_mdp = mmalloc_attach(-1, (char *)sbrk(0) + HEAP_OFFSET);
+ xbt_assert(__mmalloc_default_mdp != NULL);
+}
+void mmalloc_postexit(void) {
+ /* Do not detach the default mdp or ldl won't be able to free the memory it allocated since we're in memory */
+ // mmalloc_detach(__mmalloc_default_mdp);
+}