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/*
A* -------------------------------------------------------------------
B* This file contains source code for the PyMOL computer program
C* copyright 1998-2000 by Warren Lyford Delano of DeLano Scientific.
D* -------------------------------------------------------------------
E* It is unlawful to modify or remove this copyright notice.
F* -------------------------------------------------------------------
G* Please see the accompanying LICENSE file for further information.
H* -------------------------------------------------------------------
I* Additional authors of this source file include:
-*
-*
-*
Z* -------------------------------------------------------------------
*/
#ifndef _H_vla
#define _H_vla
#include "os_memory.h"
/* WARNING, almost all vla macros have the side effect of changing the pointer...
so be careful not to ever use temporary copies of vla pointers with these operations */
typedef struct VLARec {
unsigned int nAlloc;
unsigned int recSize;
unsigned int growFactor;
int autoZero;
} VLARec;
/* NOTE: in vla_check, rec is a zero based array index, not a record count */
#define vla_check(ptr,type,rec) (ptr=(type*)(((((unsigned int)(rec))>=((VLARec*)(ptr))[-1].nAlloc) ? VLAExpand(ptr,(rec)) : (ptr))))
#define vla_malloc(ptr,type,initSize) (ptr=(type*)VLAMalloc(initSize,sizeof(type),5,0))
#define vla_calloc(ptr,type,initSize) (ptr=(type*)VLAMalloc(initSize,sizeof(type),5,1))
#define vla_free(ptr) {if(ptr) {VLAFree(ptr);ptr=NULL;}}
#define vla_set_size(ptr,type,size) {ptr=(type*)VLASetSize(ptr,size);}
#define vla_get_size(ptr) VLAGetSize2(ptr)
unsigned int VLAGetSize2(void *ptr);
#ifndef _os_memory_debug_on
void *VLAExpand(void *ptr,unsigned int rec);
void *VLAMalloc(unsigned int initSize,unsigned int recSize,unsigned int growFactor,int autoZero); /*growfactor 1-10*/
void VLAFree(void *ptr);
void *VLASetSize(void *ptr,unsigned int newSize);
#else
#define VLAMalloc(a,b,c,d) _champVLAMalloc(__FILE__,__LINE__,a,b,c,d)
#define VLAExpand(a,b) _champVLAExpand(__FILE__,__LINE__,a,b)
#define VLAFree(a) _champVLAFree(__FILE__,__LINE__,a)
#define VLASetSize(a,b) _champVLASetSize(__FILE__,__LINE__,a,b)
void *_champVLAExpand(const char *file,int line,
void *ptr,unsigned int rec);
void _champVLAFree(const char *file,int line,
void *ptr);
void *_champVLASetSize(const char *file,int line,
void *ptr,unsigned int newSize);
void *_champVLAMalloc(const char *file,int line,
unsigned int initSize,unsigned int recSize,
unsigned int growFactor,int autoZero);
#endif
#endif
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