--- libelwix/inc/elwix/ampool.h	2015/07/01 21:48:39	1.5
+++ libelwix/inc/elwix/ampool.h	2022/10/24 00:10:22	1.6
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: ampool.h,v 1.5 2015/07/01 21:48:39 misho Exp $
+* $Id: ampool.h,v 1.6 2022/10/24 00:10:22 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -12,7 +12,7 @@ terms:
 All of the documentation and software included in the ELWIX and AITNET
 Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
 
-Copyright 2004 - 2015
+Copyright 2004 - 2022
 	by Michael Pounov <misho@elwix.org>.  All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -90,7 +90,8 @@ typedef struct _tagMPool {
 #define mpool_lock(x)	(assert((x)), pthread_mutex_lock(&(x)->pool_mtx))
 #define mpool_unlock(x)	(assert((x)), pthread_mutex_unlock(&(x)->pool_mtx))
 
-typedef void (*mpool_stat_cb)(unsigned int, unsigned int, unsigned int);
+typedef int (*mpool_stat_cb)(unsigned int, unsigned int, unsigned int, 
+		void *, unsigned int);
 
 /* mpool functions */
 
@@ -211,9 +212,10 @@ void mpool_getquota(mpool_t * __restrict mp, unsigned 
  *
  * @mp = Memory pool
  * @cb = Export statistics to callback
- * return: none
+ * return: -1 error or >0 bytes in data buffer
  */
-void mpool_statistics(mpool_t * __restrict mp, mpool_stat_cb cb);
+int mpool_statistics(mpool_t * __restrict mp, mpool_stat_cb cb, 
+		void *data, unsigned int datlen);
 
 
 /* Wrappers */
@@ -256,12 +258,14 @@ void mpool_xfree(void * __restrict data);
  */
 char *mpool_xstrdup(const char *str);
 /*
- * mpool_xstatistics() - elwix memory pool statistics wrapper
+ * mpool_xstatistics() - elwix default memory pool statistics wrapper
  *
  * @cb = Export statistics to callback
- * return: none
+ * @data = data buffer
+ * @datlen = data buffer length
+ * return: -1 error or >0 bytes in data buffer
  */
-void mpool_xstatistics(mpool_stat_cb cb);
+int mpool_xstatistics(mpool_stat_cb cb, void *data, unsigned int datlen);
 /*
  * mpool_dump() - Dump elwix memory pool statistics
  *
@@ -271,6 +275,15 @@ void mpool_xstatistics(mpool_stat_cb cb);
  * return: none
  */
 void mpool_dump(mpool_t * __restrict mp, const char *fmt, ...);
+/*
+ * mpool_dump2() - Dump elwix memory pool statistics to string
+ *
+ * @mp = memory pool, if =NULL dump elwix default memory pool
+ * @str = string buffer
+ * @strlen = string buffer length
+ * return: >0 data in string buffer
+ */
+int mpool_dump2(mpool_t * __restrict mp, char *str, int strlen);
 
 
 #endif