* Copyright (c) 1998-1999 by Scriptics Corporation.
 *
 * See the file "license.terms" for information on usage and redistribution of
 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
 *
 * This code contributed by Karl Lehenbauer and Mark Diekhans
 *
 * RCS: @(#) $Id: tclCkalloc.c,v 1.19.4.18 2010/12/01 15:27:27 dgp Exp $
 * RCS: @(#) $Id: tclCkalloc.c,v 1.19.4.19 2010/12/06 15:03:03 dgp Exp $
 */

#include "tclInt.h"

#define FALSE	0
#define TRUE	1

#ifdef TCL_MEM_DEBUG

/*
 * One of the following structures is allocated each time the
 * "memory tag" command is invoked, to hold the current tag.
 */

typedef struct MemTag {
    int refCount;		/* Number of mem_headers referencing this
				 * tag. */
    char string[4];		/* Actual size of string will be as large as
    char string[1];		/* Actual size of string will be as large as
				 * needed for actual tag. This must be the
				 * last field in the structure. */
} MemTag;

#define TAG_SIZE(bytesInString) ((unsigned) sizeof(MemTag) + bytesInString - 3)
#define TAG_SIZE(bytesInString) ((unsigned) ((TclOffset(MemTag, string) + 1) + bytesInString))

static MemTag *curTagPtr = NULL;/* Tag to use in all future mem_headers (set
				 * by "memory tag" command). */

/*
 * One of the following structures is allocated just before each dynamically
 * allocated chunk of memory, both to record information about the chunk and

	    total_mallocs,
	    total_frees,
	    current_malloc_packets,
	    current_bytes_malloced,
	    maximum_malloc_packets,
	    maximum_bytes_malloced);
    if (flags == 0) {
	fprintf((FILE *)clientData, buf);
	fprintf((FILE *)clientData, "%s", buf);
    } else {
	/* Assume objPtr to append to */
	Tcl_AppendToObj((Tcl_Obj *) clientData, buf, -1);
    }
    return 1;
}