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