2014-05-07 22:27:00 +00:00
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/*
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Copyright (c) 2009-2014 Roger Light <roger@atchoo.org>
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All rights reserved. This program and the accompanying materials
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are made available under the terms of the Eclipse Public License v1.0
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and Eclipse Distribution License v1.0 which accompany this distribution.
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The Eclipse Public License is available at
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http://www.eclipse.org/legal/epl-v10.html
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and the Eclipse Distribution License is available at
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http://www.eclipse.org/org/documents/edl-v10.php.
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Contributors:
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Roger Light - initial implementation and documentation.
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*/
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#include <config.h>
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#include <stdlib.h>
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#include <string.h>
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#include <memory_mosq.h>
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#ifdef REAL_WITH_MEMORY_TRACKING
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# if defined(__APPLE__)
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# include <malloc/malloc.h>
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# define malloc_usable_size malloc_size
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# elif defined(__FreeBSD__)
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# include <malloc_np.h>
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# else
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# include <malloc.h>
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# endif
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#endif
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#ifdef REAL_WITH_MEMORY_TRACKING
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static unsigned long memcount = 0;
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static unsigned long max_memcount = 0;
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#endif
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void *_mosquitto_calloc(size_t nmemb, size_t size)
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{
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void *mem = calloc(nmemb, size);
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#ifdef REAL_WITH_MEMORY_TRACKING
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memcount += malloc_usable_size(mem);
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if(memcount > max_memcount){
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max_memcount = memcount;
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}
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#endif
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return mem;
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}
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void _mosquitto_free(void *mem)
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{
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#ifdef REAL_WITH_MEMORY_TRACKING
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2015-09-16 20:20:40 +00:00
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if(!mem){
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return;
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}
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2014-05-07 22:27:00 +00:00
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memcount -= malloc_usable_size(mem);
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#endif
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free(mem);
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}
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void *_mosquitto_malloc(size_t size)
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{
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void *mem = malloc(size);
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#ifdef REAL_WITH_MEMORY_TRACKING
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memcount += malloc_usable_size(mem);
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if(memcount > max_memcount){
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max_memcount = memcount;
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}
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#endif
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return mem;
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}
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#ifdef REAL_WITH_MEMORY_TRACKING
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unsigned long _mosquitto_memory_used(void)
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{
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return memcount;
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}
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unsigned long _mosquitto_max_memory_used(void)
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{
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return max_memcount;
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}
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#endif
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void *_mosquitto_realloc(void *ptr, size_t size)
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{
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void *mem;
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#ifdef REAL_WITH_MEMORY_TRACKING
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if(ptr){
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memcount -= malloc_usable_size(ptr);
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}
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#endif
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mem = realloc(ptr, size);
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#ifdef REAL_WITH_MEMORY_TRACKING
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memcount += malloc_usable_size(mem);
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if(memcount > max_memcount){
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max_memcount = memcount;
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}
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#endif
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return mem;
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}
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char *_mosquitto_strdup(const char *s)
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{
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char *str = strdup(s);
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#ifdef REAL_WITH_MEMORY_TRACKING
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memcount += malloc_usable_size(str);
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if(memcount > max_memcount){
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max_memcount = memcount;
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}
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#endif
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return str;
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}
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