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/********************************************************************************/
/* */
/* Papyrus 3 library. */
/* This library constitutes a DICOM file system which helps reading and writing */
/* DICOM files and DICOMDIR files. */
/* */
/* Copyright (C) 2004 - Service of Medical Informatics - */
/* University Hospitals of Geneva (HUG), Geneva, Switzerland */
/* */
/* This library is a free software; you can redistribute it and/or modify it */
/* under the terms of the GNU Lesser General Public License as published by the */
/* Free Software Foundation; either version 2.1 of the License, or */
/* (at your option) any later version. */
/* */
/* This library is distributed in the hope that it will be useful, */
/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. */
/* See the GNU Lesser General Public License for more details. */
/* */
/* You should have received a copy of the GNU Lesser General Public License */
/* along with this library; if not, write to */
/* the Free Software Foundation, Inc., */
/* 59 Temple Place, Suite 330, */
/* Boston, MA 02111-1307 USA */
/* */
/* You can contact us for more information at osiris@sim.hcuge.ch */
/* or by writing to Papyrus, */
/* Unite d'Imagerie Numerique / Service d'Informatique Medicale / HUG, */
/* 24, Micheli-du-Crest street, 1211 Geneva 14, Switzerland. */
/* */
/* The University Hopitals of Geneva, hereby disclaims all copyright interest */
/* in the library `Papyrus' (a library for reading and writing DICOM files). */
/* */
/* Geneva, april 2004 */
/* Antoine Geissbuhler, head of the Service of Medical Informatics, */
/* University Hospitals of Geneva, Switzerland */
/* */
/********************************************************************************/
/********************************************************************************/
/* */
/* Project : P A P Y R U S Toolkit */
/* File : PapyEalloc3.c */
/* Function : contains all the allocating stuff */
/* Authors : Matthieu Funk */
/* Christian Girard */
/* Jean-Francois Vurlod */
/* Marianne Logean */
/* Olivier Baujard */
/* */
/* History : 06.1995 version 3.1 */
/* 02.1996 version 3.3 */
/* 02.1999 version 3.6 */
/* 04.2001 version 3.7 */
/* 09.2001 version 3.7 on CVS */
/* 10.2001 version 3.71 MAJ Dicom par CHG */
/* */
/********************************************************************************/
/* ------------------------- includes ---------------------------------------*/
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <assert.h>
#ifndef FILENAME83 /* this is for the normal machines ... */
#ifndef PapyTypeDef3H
#include "PapyTypeDef3.h"
#endif
extern "C" {
#include "PapyWild3.h"
}
#else /* FILENAME83 defined for the DOS machines */
#ifndef PapyTypeDef3H
#include "PAPYDEF3.h"
#endif
#include "PAPWILD3.h"
#endif /* FILENAME83 defined */
#include <windows.h>
#ifdef DLL
#define __huge
#define __far
#define GB_ALLOC
#endif
/********************************************************************************/
/* */
/* efree3 : free the allocated memory and put the pointer to NULL */
/* */
/********************************************************************************/
/* modify it to have the pointer on the pointer to really put it to NULL */
extern "C" void efree3 (void **p)
{
#ifdef GB_ALLOC
HGLOBAL hglb;
DWORD dw;
if (*p == NULL)
return;
hglb = GlobalHandle (*p);
GlobalUnlock (hglb);
GlobalFree (hglb);
*p = NULL;
#else
/* free (*p); */
char* ptr=(char*)*p;
delete [] ptr;
*p = NULL;
#endif
} /* endof efree3 */
/********************************************************************************/
/* */
/* checkvp3 : check if the new allocated did not failed */
/* return : the validated pointer if OK */
/* else exit the program */
/* */
/********************************************************************************/
extern "C" void * checkvp3 (void *pointer)
{
if (pointer == NULL)
wildrexit ("allocating memory");
return pointer;
} /* endof checkvp3 */
/********************************************************************************/
/* */
/* emalloc3 : checked version of malloc */
/* return : the validated pointer if OK */
/* */
/********************************************************************************/
extern "C" void *emalloc3 (PapyULong size)
{
#ifdef GB_ALLOC
void __huge* ptr;
HGLOBAL hglb;
hglb = GlobalAlloc (GHND, size);
assert (hglb != NULL);
ptr = GlobalLock (hglb);
return checkvp3 (ptr);
#else
/* return checkvp3 (malloc ((size_t)size)); */
char* pp=new char[size];
memset(pp,0,size);
return checkvp3((void*)pp);
#endif
} /* endof emalloc3 */
/********************************************************************************/
/* */
/* ecalloc3 : checked version of calloc */
/* return : the validated pointer if OK */
/* */
/********************************************************************************/
extern "C" void *ecalloc3 (PapyULong nelem, PapyULong elsize)
{
#ifdef GB_ALLOC
void __far* ptr;
HGLOBAL hglb;
unsigned long size;
size = nelem * elsize;
if (size == 0L) return NULL;
hglb = GlobalAlloc (GHND, size);
assert (hglb != NULL);
ptr = GlobalLock (hglb);
return checkvp3 (ptr);
#else
/* return checkvp3 (calloc ((size_t)nelem, (size_t)elsize)); */
char* pp=new char[nelem*elsize];
memset(pp,0,nelem*elsize);
return checkvp3((void*)pp);
#endif
} /* endof ecalloc3 */
/********************************************************************************/
/* */
/* erealloc3 : checked version of realloc */
/* return : the validated pointer if OK */
/* */
/********************************************************************************/
extern "C" void *erealloc3 (void* ptr, PapyULong size,PapyULong size2)
{
#ifdef GB_ALLOC
HGLOBAL hglb;
DWORD dw;
hglb = GlobalHandle (ptr);
GlobalUnlock (hglb);
hglb = GlobalReAlloc (hglb, size, GMEM_ZEROINIT | GMEM_MOVEABLE);
ptr = GlobalLock (hglb);
return checkvp3 (ptr);
#else
/* return checkvp3 (realloc (ptr, (size_t)size)); */
char* p=new char[(unsigned int)size];
memset(p,0,size);
memcpy(p,(char*)ptr,size2);
efree3(&ptr);
return checkvp3 ((void*)p);
#endif
} /* endof erealloc3 */
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