diff --git a/include/asterisk/chanvars.h b/include/asterisk/chanvars.h
index 3693e2a3ab56e7870f80c1bb1a25afa9762684cd..2040c7b65fff7a222ed23bde627266ecf81c0c4f 100644
--- a/include/asterisk/chanvars.h
+++ b/include/asterisk/chanvars.h
@@ -35,7 +35,7 @@ AST_LIST_HEAD_NOLOCK(varshead, ast_var_t);
 
 struct varshead *ast_var_list_create(void);
 void ast_var_list_destroy(struct varshead *head);
-#ifdef MALLOC_DEBUG
+#ifdef __AST_DEBUG_MALLOC
 struct ast_var_t *_ast_var_assign(const char *name, const char *value, const char *file, int lineno, const char *function);
 #define ast_var_assign(a,b)	_ast_var_assign(a,b,__FILE__,__LINE__,__PRETTY_FUNCTION__)
 #else
diff --git a/include/asterisk/config.h b/include/asterisk/config.h
index 287635a8e05de9d95b81d1bd05d1e11729d141d5..4944a3af2022bff802fec9fe7b432cdf3275b84e 100644
--- a/include/asterisk/config.h
+++ b/include/asterisk/config.h
@@ -907,7 +907,7 @@ void ast_category_destroy(struct ast_category *cat);
 struct ast_variable *ast_category_detach_variables(struct ast_category *cat);
 void ast_category_rename(struct ast_category *cat, const char *name);
 
-#ifdef MALLOC_DEBUG
+#ifdef __AST_DEBUG_MALLOC
 struct ast_variable *_ast_variable_new(const char *name, const char *value, const char *filename, const char *file, const char *function, int lineno);
 #define ast_variable_new(name, value, filename) _ast_variable_new(name, value, filename, __FILE__, __PRETTY_FUNCTION__, __LINE__)
 #else
diff --git a/include/asterisk/hashtab.h b/include/asterisk/hashtab.h
index 17eff704829e459db189700e088dfd411e81e38b..cfe035b28b71a135a0a1f86a03a6d12b5bf562f4 100644
--- a/include/asterisk/hashtab.h
+++ b/include/asterisk/hashtab.h
@@ -251,7 +251,7 @@ unsigned int ast_hashtab_hash_short(const short num);
  * \param hash a func ptr to do the hashing
  * \param do_locking use locks to guarantee safety of iterators/insertion/deletion -- real simpleminded right now
 */
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 struct ast_hashtab * _ast_hashtab_create(int initial_buckets,
 					int (*compare)(const void *a, const void *b),
 					int (*resize)(struct ast_hashtab *),
@@ -294,7 +294,7 @@ void ast_hashtab_destroy( struct ast_hashtab *tab, void (*objdestroyfunc)(void *
  * \retval 1 on success
  * \retval 0 if there's a problem
 */
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 int _ast_hashtab_insert_immediate(struct ast_hashtab *tab, const void *obj, const char *file, int lineno, const char *func);
 #define	ast_hashtab_insert_immediate(a,b)	_ast_hashtab_insert_immediate(a, b, __FILE__, __LINE__, __PRETTY_FUNCTION__)
 #else
@@ -311,7 +311,7 @@ int ast_hashtab_insert_immediate(struct ast_hashtab *tab, const void *obj);
  * \retval 1 on success
  * \retval 0 if there's a problem
 */
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 int _ast_hashtab_insert_immediate_bucket(struct ast_hashtab *tab, const void *obj, unsigned int h, const char *file, int lineno, const char *func);
 #define	ast_hashtab_insert_immediate_bucket(a,b,c)	_ast_hashtab_insert_immediate_bucket(a, b, c, __FILE__, __LINE__, __PRETTY_FUNCTION__)
 #else
@@ -324,7 +324,7 @@ int ast_hashtab_insert_immediate_bucket(struct ast_hashtab *tab, const void *obj
  * \retval 1 on success
  * \retval  0 if there's a problem, or it's already there.
 */
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 int _ast_hashtab_insert_safe(struct ast_hashtab *tab, const void *obj, const char *file, int lineno, const char *func);
 #define	ast_hashtab_insert_safe(a,b)	_ast_hashtab_insert_safe(a,b,__FILE__, __LINE__, __PRETTY_FUNCTION__)
 #else
@@ -362,7 +362,7 @@ int ast_hashtab_size( struct ast_hashtab *tab);
 int ast_hashtab_capacity( struct ast_hashtab *tab);
 
 /*! \brief Return a copy of the hash table */
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 struct ast_hashtab *_ast_hashtab_dup(struct ast_hashtab *tab, void *(*obj_dup_func)(const void *obj), const char *file, int lineno, const char *func);
 #define	ast_hashtab_dup(a,b)	_ast_hashtab_dup(a,b,__FILE__,__LINE__,__PRETTY_FUNCTION__)
 #else
@@ -370,7 +370,7 @@ struct ast_hashtab *ast_hashtab_dup(struct ast_hashtab *tab, void *(*obj_dup_fun
 #endif
 
 /*! \brief Gives an iterator to hastable */
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 struct ast_hashtab_iter *_ast_hashtab_start_traversal(struct ast_hashtab *tab, const char *file, int lineno, const char *func);
 #define	ast_hashtab_start_traversal(a)	_ast_hashtab_start_traversal(a,__FILE__,__LINE__,__PRETTY_FUNCTION__)
 #else
@@ -395,7 +395,7 @@ void *ast_hashtab_remove_this_object(struct ast_hashtab *tab, void *obj);
 /* ------------------ */
 
 /*! \brief Gives an iterator to hastable */
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 struct ast_hashtab_iter *_ast_hashtab_start_write_traversal(struct ast_hashtab *tab, const char *file, int lineno, const char *func);
 #define	ast_hashtab_start_write_traversal(a)	_ast_hashtab_start_write_traversal(a,__FILE__,__LINE__,__PRETTY_FUNCTION__)
 #else
diff --git a/include/asterisk/heap.h b/include/asterisk/heap.h
index a868ac58934ec8c9a109dc102dc1c1718ef9f244..7283279364f9e6f320b724a06a33552be87414a1 100644
--- a/include/asterisk/heap.h
+++ b/include/asterisk/heap.h
@@ -97,7 +97,7 @@ typedef int (*ast_heap_cmp_fn)(void *elm1, void *elm2);
  * \return An instance of a max heap
  * \since 1.6.1
  */
-#ifdef MALLOC_DEBUG
+#ifdef __AST_DEBUG_MALLOC
 struct ast_heap *_ast_heap_create(unsigned int init_height, ast_heap_cmp_fn cmp_fn,
 		ssize_t index_offset, const char *file, int lineno, const char *func);
 #define	ast_heap_create(a,b,c)	_ast_heap_create(a,b,c,__FILE__,__LINE__,__PRETTY_FUNCTION__)
@@ -126,7 +126,7 @@ struct ast_heap *ast_heap_destroy(struct ast_heap *h);
  * \retval non-zero failure
  * \since 1.6.1
  */
-#ifdef MALLOC_DEBUG
+#ifdef __AST_DEBUG_MALLOC
 int _ast_heap_push(struct ast_heap *h, void *elm, const char *file, int lineno, const char *func);
 #define	ast_heap_push(a,b)	_ast_heap_push(a,b,__FILE__,__LINE__,__PRETTY_FUNCTION__)
 #else
diff --git a/include/asterisk/strings.h b/include/asterisk/strings.h
index 2ca75a69c471c65817163aaaf225abb085841882..eb5b4e43c25dc92d774455ee62b9688be367e315 100644
--- a/include/asterisk/strings.h
+++ b/include/asterisk/strings.h
@@ -616,7 +616,7 @@ int ast_regex_string_to_regex_pattern(const char *regex_string, struct ast_str *
  * \note The result of this function is dynamically allocated memory, and must
  *       be free()'d after it is no longer needed.
  */
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 #define	ast_str_create(a)	_ast_str_create(a,__FILE__,__LINE__,__PRETTY_FUNCTION__)
 AST_INLINE_API(
 struct ast_str * attribute_malloc _ast_str_create(size_t init_len,
@@ -771,7 +771,7 @@ char *ast_str_truncate(struct ast_str *buf, ssize_t len),
 /*!
  * Make space in a new string (e.g. to read in data from a file)
  */
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 AST_INLINE_API(
 int _ast_str_make_space(struct ast_str **buf, size_t new_len, const char *file, int lineno, const char *function),
 {
@@ -964,7 +964,7 @@ enum {
  *       through calling one of the other functions or macros defined in this
  *       file.
  */
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 int __attribute__((format(printf, 4, 0))) __ast_debug_str_helper(struct ast_str **buf, ssize_t max_len,
 							   int append, const char *fmt, va_list ap, const char *file, int lineno, const char *func);
 #define __ast_str_helper(a,b,c,d,e)	__ast_debug_str_helper(a,b,c,d,e,__FILE__,__LINE__,__PRETTY_FUNCTION__)
diff --git a/main/chanvars.c b/main/chanvars.c
index dc97df7735320d60373670f6f6cae0b323b213ca..d7922522cd41cec748ad12d47ca57c3acb0656ff 100644
--- a/main/chanvars.c
+++ b/main/chanvars.c
@@ -35,7 +35,7 @@ ASTERISK_REGISTER_FILE()
 #include "asterisk/strings.h"
 #include "asterisk/utils.h"
 
-#ifdef MALLOC_DEBUG
+#ifdef __AST_DEBUG_MALLOC
 struct ast_var_t *_ast_var_assign(const char *name, const char *value, const char *file, int lineno, const char *function)
 #else
 struct ast_var_t *ast_var_assign(const char *name, const char *value)
@@ -45,7 +45,7 @@ struct ast_var_t *ast_var_assign(const char *name, const char *value)
 	int name_len = strlen(name) + 1;
 	int value_len = strlen(value) + 1;
 
-#ifdef MALLOC_DEBUG
+#ifdef __AST_DEBUG_MALLOC
 	if (!(var = __ast_calloc(sizeof(*var) + name_len + value_len, sizeof(char), file, lineno, function))) {
 #else
 	if (!(var = ast_calloc(sizeof(*var) + name_len + value_len, sizeof(char)))) {
diff --git a/main/config.c b/main/config.c
index 59927038489084c0bcd6b4d3a19e82016cdb73f8..6162149b1670dabd7f72b552c8d00758e700b9f4 100644
--- a/main/config.c
+++ b/main/config.c
@@ -283,7 +283,7 @@ struct ast_config_include {
 static void ast_variable_destroy(struct ast_variable *doomed);
 static void ast_includes_destroy(struct ast_config_include *incls);
 
-#ifdef MALLOC_DEBUG
+#ifdef __AST_DEBUG_MALLOC
 struct ast_variable *_ast_variable_new(const char *name, const char *value, const char *filename, const char *file, const char *func, int lineno)
 #else
 struct ast_variable *ast_variable_new(const char *name, const char *value, const char *filename)
@@ -300,7 +300,7 @@ struct ast_variable *ast_variable_new(const char *name, const char *value, const
 	}
 
 	if (
-#ifdef MALLOC_DEBUG
+#ifdef __AST_DEBUG_MALLOC
 		(variable = __ast_calloc(1, fn_len + name_len + val_len + sizeof(*variable), file, lineno, func))
 #else
 		(variable = ast_calloc(1, fn_len + name_len + val_len + sizeof(*variable)))
diff --git a/main/hashtab.c b/main/hashtab.c
index 5d54fb7aa3bcb9e4496e4ad56113545a49f61474..3719c2ad43701a51129c6cf8ac2c9f7b9ef0162f 100644
--- a/main/hashtab.c
+++ b/main/hashtab.c
@@ -44,7 +44,7 @@ ASTERISK_REGISTER_FILE()
 #include "asterisk/hashtab.h"
 
 
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 static void _ast_hashtab_resize(struct ast_hashtab *tab, const char *file, int lineno, const char *func);
 #define ast_hashtab_resize(a)	_ast_hashtab_resize(a,__FILE__, __LINE__, __PRETTY_FUNCTION__)
 #else
@@ -219,7 +219,7 @@ unsigned int ast_hashtab_hash_short(const short x)
 }
 
 struct ast_hashtab *
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 _ast_hashtab_create
 #else
 ast_hashtab_create
@@ -230,14 +230,14 @@ ast_hashtab_create
 	int (*newsize)(struct ast_hashtab *tab),
 	unsigned int (*hash)(const void *obj),
 	int do_locking
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 	, const char *file, int lineno, const char *function
 #endif
 )
 {
 	struct ast_hashtab *ht;
 
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 	if (!(ht = __ast_calloc(1, sizeof(*ht), file, lineno, function)))
 #else
 	if (!(ht = ast_calloc(1, sizeof(*ht))))
@@ -247,7 +247,7 @@ ast_hashtab_create
 	while (!ast_is_prime(initial_buckets)) /* make sure this is prime */
 		initial_buckets++;
 
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 	if (!(ht->array = __ast_calloc(initial_buckets, sizeof(*(ht->array)), file, lineno, function))) {
 #else
 	if (!(ht->array = ast_calloc(initial_buckets, sizeof(*(ht->array))))) {
@@ -275,7 +275,7 @@ ast_hashtab_create
 	return ht;
 }
 
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 struct ast_hashtab *_ast_hashtab_dup(struct ast_hashtab *tab, void *(*obj_dup_func)(const void *obj), const char *file, int lineno, const char *func)
 #else
 struct ast_hashtab *ast_hashtab_dup(struct ast_hashtab *tab, void *(*obj_dup_func)(const void *obj))
@@ -288,7 +288,7 @@ struct ast_hashtab *ast_hashtab_dup(struct ast_hashtab *tab, void *(*obj_dup_fun
 		return NULL;
 
 	if (!(ht->array =
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 		__ast_calloc(tab->hash_tab_size, sizeof(*(ht->array)), file, lineno, func)
 #else
 		ast_calloc(tab->hash_tab_size, sizeof(*(ht->array)))
@@ -316,7 +316,7 @@ struct ast_hashtab *ast_hashtab_dup(struct ast_hashtab *tab, void *(*obj_dup_fun
 		while (b) {
 			void *newobj = (*obj_dup_func)(b->object);
 			if (newobj)
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 				_ast_hashtab_insert_immediate_bucket(ht, newobj, i, file, lineno, func);
 #else
 				ast_hashtab_insert_immediate_bucket(ht, newobj, i);
@@ -427,7 +427,7 @@ void ast_hashtab_destroy(struct ast_hashtab *tab, void (*objdestroyfunc)(void *o
 	}
 }
 
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 int _ast_hashtab_insert_immediate(struct ast_hashtab *tab, const void *obj, const char *file, int lineno, const char *func)
 #else
 int ast_hashtab_insert_immediate(struct ast_hashtab *tab, const void *obj)
@@ -444,7 +444,7 @@ int ast_hashtab_insert_immediate(struct ast_hashtab *tab, const void *obj)
 
 	h = (*tab->hash)(obj) % tab->hash_tab_size;
 
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 	res = _ast_hashtab_insert_immediate_bucket(tab, obj, h, file, lineno, func);
 #else
 	res = ast_hashtab_insert_immediate_bucket(tab, obj, h);
@@ -456,7 +456,7 @@ int ast_hashtab_insert_immediate(struct ast_hashtab *tab, const void *obj)
 	return res;
 }
 
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 int _ast_hashtab_insert_immediate_bucket(struct ast_hashtab *tab, const void *obj, unsigned int h, const char *file, int lineno, const char *func)
 #else
 int ast_hashtab_insert_immediate_bucket(struct ast_hashtab *tab, const void *obj, unsigned int h)
@@ -475,7 +475,7 @@ int ast_hashtab_insert_immediate_bucket(struct ast_hashtab *tab, const void *obj
 		tab->largest_bucket_size = c + 1;
 
 	if (!(b =
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 			__ast_calloc(1, sizeof(*b), file, lineno, func)
 #else
 			ast_calloc(1, sizeof(*b))
@@ -498,7 +498,7 @@ int ast_hashtab_insert_immediate_bucket(struct ast_hashtab *tab, const void *obj
 	return 1;
 }
 
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 int _ast_hashtab_insert_safe(struct ast_hashtab *tab, const void *obj, const char *file, int lineno, const char *func)
 #else
 int ast_hashtab_insert_safe(struct ast_hashtab *tab, const void *obj)
@@ -514,7 +514,7 @@ int ast_hashtab_insert_safe(struct ast_hashtab *tab, const void *obj)
 		ast_rwlock_wrlock(&tab->lock);
 
 	if (!ast_hashtab_lookup_bucket(tab, obj, &bucket)) {
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 		int ret2 = _ast_hashtab_insert_immediate_bucket(tab, obj, bucket, file, lineno, func);
 #else
 		int ret2 = ast_hashtab_insert_immediate_bucket(tab, obj, bucket);
@@ -637,7 +637,7 @@ int ast_hashtab_capacity( struct ast_hashtab *tab)
 /* the insert operation calls this, and is wrlock'd when it does. */
 /* if you want to call it, you should set the wrlock yourself */
 
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 static void _ast_hashtab_resize(struct ast_hashtab *tab, const char *file, int lineno, const char *func)
 #else
 static void ast_hashtab_resize(struct ast_hashtab *tab)
@@ -660,7 +660,7 @@ static void ast_hashtab_resize(struct ast_hashtab *tab)
 	}
 	free(tab->array);
 	if (!(tab->array =
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 		__ast_calloc(newsize, sizeof(*(tab->array)), file, lineno, func)
 #else
 		ast_calloc(newsize, sizeof(*(tab->array)))
@@ -691,7 +691,7 @@ static void ast_hashtab_resize(struct ast_hashtab *tab)
 	}
 }
 
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 struct ast_hashtab_iter *_ast_hashtab_start_traversal(struct ast_hashtab *tab, const char *file, int lineno, const char *func)
 #else
 struct ast_hashtab_iter *ast_hashtab_start_traversal(struct ast_hashtab *tab)
@@ -701,7 +701,7 @@ struct ast_hashtab_iter *ast_hashtab_start_traversal(struct ast_hashtab *tab)
 	struct ast_hashtab_iter *it;
 
 	if (!(it =
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 			__ast_calloc(1, sizeof(*it), file, lineno, func)
 #else
 			ast_calloc(1, sizeof(*it))
@@ -718,7 +718,7 @@ struct ast_hashtab_iter *ast_hashtab_start_traversal(struct ast_hashtab *tab)
 }
 
 /* use this function to get a write lock */
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 struct ast_hashtab_iter *_ast_hashtab_start_write_traversal(struct ast_hashtab *tab, const char *file, int lineno, const char *func)
 #else
 struct ast_hashtab_iter *ast_hashtab_start_write_traversal(struct ast_hashtab *tab)
@@ -728,7 +728,7 @@ struct ast_hashtab_iter *ast_hashtab_start_write_traversal(struct ast_hashtab *t
 	struct ast_hashtab_iter *it;
 
 	if (!(it =
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 			__ast_calloc(1, sizeof(*it), file, lineno, func)
 #else
 			ast_calloc(1, sizeof(*it))
diff --git a/main/heap.c b/main/heap.c
index 29f069b30a49a408c2d3868f6096c6153fe8e79d..73280fedc1e23286cb2be7490c699a9afa079320 100644
--- a/main/heap.c
+++ b/main/heap.c
@@ -111,7 +111,7 @@ int ast_heap_verify(struct ast_heap *h)
 	return 0;
 }
 
-#ifdef MALLOC_DEBUG
+#ifdef __AST_DEBUG_MALLOC
 struct ast_heap *_ast_heap_create(unsigned int init_height, ast_heap_cmp_fn cmp_fn,
 		ssize_t index_offset, const char *file, int lineno, const char *func)
 #else
@@ -131,7 +131,7 @@ struct ast_heap *ast_heap_create(unsigned int init_height, ast_heap_cmp_fn cmp_f
 	}
 
 	if (!(h =
-#ifdef MALLOC_DEBUG
+#ifdef __AST_DEBUG_MALLOC
 			__ast_calloc(1, sizeof(*h), file, lineno, func)
 #else
 			ast_calloc(1, sizeof(*h))
@@ -145,7 +145,7 @@ struct ast_heap *ast_heap_create(unsigned int init_height, ast_heap_cmp_fn cmp_f
 	h->avail_len = (1 << init_height) - 1;
 
 	if (!(h->heap =
-#ifdef MALLOC_DEBUG
+#ifdef __AST_DEBUG_MALLOC
 			__ast_calloc(1, h->avail_len * sizeof(void *), file, lineno, func)
 #else
 			ast_calloc(1, h->avail_len * sizeof(void *))
@@ -176,7 +176,7 @@ struct ast_heap *ast_heap_destroy(struct ast_heap *h)
  * \brief Add a row of additional storage for the heap.
  */
 static int grow_heap(struct ast_heap *h
-#ifdef MALLOC_DEBUG
+#ifdef __AST_DEBUG_MALLOC
 , const char *file, int lineno, const char *func
 #endif
 )
@@ -184,7 +184,7 @@ static int grow_heap(struct ast_heap *h
 	void **new_heap;
 	size_t new_len = h->avail_len * 2 + 1;
 
-#ifdef MALLOC_DEBUG
+#ifdef __AST_DEBUG_MALLOC
 	new_heap = __ast_realloc(h->heap, new_len * sizeof(void *), file, lineno, func);
 #else
 	new_heap = ast_realloc(h->heap, new_len * sizeof(void *));
@@ -244,14 +244,14 @@ static int bubble_up(struct ast_heap *h, int i)
 	return i;
 }
 
-#ifdef MALLOC_DEBUG
+#ifdef __AST_DEBUG_MALLOC
 int _ast_heap_push(struct ast_heap *h, void *elm, const char *file, int lineno, const char *func)
 #else
 int ast_heap_push(struct ast_heap *h, void *elm)
 #endif
 {
 	if (h->cur_len == h->avail_len && grow_heap(h
-#ifdef MALLOC_DEBUG
+#ifdef __AST_DEBUG_MALLOC
 		, file, lineno, func
 #endif
 		)) {
diff --git a/main/strings.c b/main/strings.c
index b9c88dea5724aa5a125e885d55e555a712b0e39e..e62eb9aad62c80b5bbd752f4b7018746cfa8125e 100644
--- a/main/strings.c
+++ b/main/strings.c
@@ -53,7 +53,7 @@ ASTERISK_REGISTER_FILE()
  *	ast_str_append_va(...)
  */
 
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 int __ast_debug_str_helper(struct ast_str **buf, ssize_t max_len,
 	int append, const char *fmt, va_list ap, const char *file, int lineno, const char *function)
 #else
@@ -112,7 +112,7 @@ int __ast_str_helper(struct ast_str **buf, ssize_t max_len,
 		}
 
 		if (
-#if (defined(MALLOC_DEBUG) && !defined(STANDALONE))
+#ifdef __AST_DEBUG_MALLOC
 			_ast_str_make_space(buf, need, file, lineno, function)
 #else
 			ast_str_make_space(buf, need)