/*
* Copyright (c) 1999-2000 Image Power, Inc. and the University of
* British Columbia.
* Copyright (c) 2001-2002 Michael David Adams.
* All rights reserved.
*/
/* __START_OF_JASPER_LICENSE__
*
* JasPer License Version 2.0
*
* Copyright (c) 2001-2006 Michael David Adams
* Copyright (c) 1999-2000 Image Power, Inc.
* Copyright (c) 1999-2000 The University of British Columbia
*
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person (the
* "User") obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, and/or sell copies of the Software, and to permit
* persons to whom the Software is furnished to do so, subject to the
* following conditions:
*
* 1. The above copyright notices and this permission notice (which
* includes the disclaimer below) shall be included in all copies or
* substantial portions of the Software.
*
* 2. The name of a copyright holder shall not be used to endorse or
* promote products derived from the Software without specific prior
* written permission.
*
* THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
* LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
* THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
* "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
* INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE
* PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE
* THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.
* EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS
* BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL
* PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS
* GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE
* ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE
* IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
* SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
* AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
* SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH
* THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
* PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH
* RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
* EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
*
* __END_OF_JASPER_LICENSE__
*/
/*
* Memory Allocator
*
* $Id: jas_malloc.c,v 1.2 2008-05-26 09:40:52 vp153 Exp $
*/
/******************************************************************************\
* Includes.
\******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
/* We need the prototype for memset. */
#include <string.h>
#include <limits.h>
#include <errno.h>
#if !defined _WIN32 || defined __MINGW__ || defined __MINGW32__
#include <stdint.h>
#endif
#include "jasper/jas_malloc.h"
/******************************************************************************\
* Code.
\******************************************************************************/
#if defined(DEBUG_MEMALLOC)
#include "../../../local/src/memalloc.c"
#endif
#if !defined(DEBUG_MEMALLOC)
#define MEMALLOC_ALIGNMENT 32
#define MEMALLOC_ALIGN2
#undef MEMALLOC_ALIGN2
void *jas_malloc(size_t size)
{
#if defined(MEMALLOC_ALIGN2)
void *ptr;
abort();
if (posix_memalign(&ptr, MEMALLOC_ALIGNMENT, size)) {
return 0;
}
return ptr;
#endif
return malloc(size);
}
void jas_free(void *ptr)
{
free(ptr);
}
void *jas_realloc(void *ptr, size_t size)
{
return ptr ? realloc(ptr, size) : malloc(size);
}
void *jas_realloc2(void *ptr, size_t nmemb, size_t size)
{
if (!ptr)
return jas_alloc2(nmemb, size);
if (nmemb && SIZE_MAX / nmemb < size) {
errno = ENOMEM;
return NULL;
}
return jas_realloc(ptr, nmemb * size);
}
void *jas_alloc2(size_t nmemb, size_t size)
{
if (nmemb && SIZE_MAX / nmemb < size) {
errno = ENOMEM;
return NULL;
}
return jas_malloc(nmemb * size);
}
void *jas_alloc3(size_t a, size_t b, size_t c)
{
size_t n;
if (a && SIZE_MAX / a < b) {
errno = ENOMEM;
return NULL;
}
return jas_alloc2(a*b, c);
}
void *jas_calloc(size_t nmemb, size_t size)
{
void *ptr;
ptr = jas_alloc2(nmemb, size);
if (ptr)
memset(ptr, 0, nmemb*size);
return ptr;
}
#endif