/**************************************************************************** * * Copyright (C) 2005-2007 Sourcefire, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License Version 2 as * published by the Free Software Foundation.  You may not use, modify or * distribute this program under any other version of the GNU General * Public License. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * ****************************************************************************/ /***  util.c*/#include <stdlib.h>#include <stdio.h>#include <string.h>#include <time.h>#include <sys/types.h>//#define MDEBUGstatic unsigned msize=0;void * xmalloc(size_t byteSize){#ifdef MDEBUG   int * data = (int*) malloc( byteSize + 4 );   unsigned m = msize;   if(data)memset(data,0,byteSize+4);#else   int * data = (int*) malloc( byteSize );   if(data)memset(data,0,byteSize);#endif   if( data == NULL )    {        return NULL;    }#ifdef MDEBUG	msize += byteSize + 4;	*data = byteSize+4;    //printf("** xmalloc msize=%u, allocbytes=%d, msize=%u  %x\n", m, byteSize+4, msize, data);	data++;    return data;#else	msize += byteSize;    return data;#endif}void xfree( void * p ){#ifdef MDEBUG   unsigned m = msize;   int  *q = (int*)p;   q--;   msize -= *q;   free(q);      #else      free(p);#endif   }void xshowmem(){#ifdef MDEBUG	  printf("xmalloc-mem: %u bytes\n",msize);#endif}char *xstrdup(const char *str){    int data_size;	char *data = NULL;    data_size = strlen(str) + 1;    data = (char *)xmalloc(data_size);    	if(data == NULL)    {        return NULL;    }    strncpy(data, str, data_size - 1);    data[data_size - 1] = '\0';    return data;}