incubator-nuttx/netutils/thttpd/httpd_alloc.h

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/****************************************************************************
* netutils/thttpd/httpd_alloc.h
*
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __NETUTILS_THTTPD_HTTDP_ALLOC_H
#define __NETUTILS_THTTPD_HTTDP_ALLOC_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include "config.h"
#ifdef CONFIG_THTTPD
/****************************************************************************
* Global Functions
****************************************************************************/
/* Allows all memory management calls to be intercepted */
#if defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_NET)
extern FAR void *httpd_malloc(size_t nbytes);
extern FAR void *httpd_realloc(FAR void *oldptr, size_t oldsize, size_t newsize);
extern void httpd_free(FAR void *ptr);
#else
# define httpd_malloc(n) malloc(n)
# define httpd_realloc(p,o,n) realloc(p,n)
# define httpd_free(p) free(p)
#endif
/* Helpers to support allocations in multiples of a type size */
#define NEW(t,n) ((t*)httpd_malloc(sizeof(t)*(n)))
#define RENEW(p,t,o,n) ((t*)httpd_realloc((void*)p, sizeof(t)*(o), sizeof(t)*(n)))
/* Helpers to implement dynamically allocated strings */
extern void httpd_realloc_str(char **pstr, size_t *maxsizeP, size_t size);
/* Generate debugging statistics */
#if defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_NET)
extern void httpd_memstats(void);
#else
# define httpd_memstats()
#endif
#endif /* CONFIG_THTTPD */
#endif /* __NETUTILS_THTTPD_HTTDP_ALLOC_H */