/*
* Copyright ( c ) 2007 - 2012 Niels Provos and Nick Mathewson
*
* 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 . The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission .
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ` ` 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 AUTHOR 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 MM_INTERNAL_H_INCLUDED_
#define MM_INTERNAL_H_INCLUDED_
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifndef EVENT__DISABLE_MM_REPLACEMENT
/* Internal use only: Memory allocation functions. We give them nice short
* mm_names for our own use , but make sure that the symbols have longer names
* so they don't conflict with other libraries (like, say, libmm). */
/** Allocate uninitialized memory.
*
* @ return On success , return a pointer to sz newly allocated bytes .
* On failure , set errno to ENOMEM and return NULL .
* If the argument sz is 0 , simply return NULL .
*/
EVENT2_EXPORT_SYMBOL
void *event_mm_malloc_(size_t sz);
/** Allocate memory initialized to zero.
*
* @ return On success , return a pointer to ( count * size ) newly allocated
* bytes , initialized to zero .
* On failure , or if the product would result in an integer overflow ,
* set errno to ENOMEM and return NULL .
* If either arguments are 0 , simply return NULL .
*/
EVENT2_EXPORT_SYMBOL
void *event_mm_calloc_(size_t count, size_t size);
/** Duplicate a string.
*
* @ return On success , return a pointer to a newly allocated duplicate
* of a string .
* Set errno to ENOMEM and return NULL if a memory allocation error
* occurs ( or would occur ) in the process .
* If the argument str is NULL , set errno to EINVAL and return NULL .
*/
EVENT2_EXPORT_SYMBOL
char *event_mm_strdup_(const char *str);
EVENT2_EXPORT_SYMBOL
void *event_mm_realloc_(void *p, size_t sz);
EVENT2_EXPORT_SYMBOL
void event_mm_free_(void *p);
#define mm_malloc(sz) event_mm_malloc_(sz)
#define mm_calloc(count, size) event_mm_calloc_((count), (size))
#define mm_strdup(s) event_mm_strdup_(s)
#define mm_realloc(p, sz) event_mm_realloc_((p), (sz))
#define mm_free(p) event_mm_free_(p)
#else
#define mm_malloc(sz) malloc(sz)
#define mm_calloc(n, sz) calloc((n), (sz))
#define mm_strdup(s) strdup(s)
#define mm_realloc(p, sz) realloc((p), (sz))
#define mm_free(p) free(p)
#endif
#ifdef __cplusplus
}
#endif
#endif
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