DCFutility.cpp

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// DCFutility.cpp
//////////////////////////////////////////////////////////////////////
//          (c) Copyright 2001-2002 Brown Deer Technology, LLC.
//                        All rights reserved.
//////////////////////////////////////////////////////////////////////

#ifdef USE_STD
#include <string>
using namespace std;
#else
#include <string.h>
#endif

#include "DCFutility.h"

void inttohex( int num, char* ptc, int len ) {
   const char* hexdigit="0123456789ABCDEF";
   char* pttmp=(char*)(&num);
   unsigned char c;
   int j=0;

   for(int i = 0; i < min( len, int(sizeof(int) ) ); i++ ) {
#ifdef STORM_RS6000_AIX
      c=pttmp[ sizeof(int) - len + i ];
#endif
#ifdef STORM_x86_LINUX
      c=pttmp[ len - 1 - i ];
#endif
#ifdef STORM_SGI_IRIX
      c=pttmp[ sizeof(int) - len + i ];
#endif
      ptc[j++] = hexdigit[ int( ( c & 0xF0 ) >> 4 ) ];
      ptc[j++] = hexdigit[ int( ( c & 0x0F ) ) ];
   }

   ptc[j]='\0';
};

void dcfsbfilename( 
   int const superblocknum, 
   string& filenamebase, 
   string& filenamesb
) 
{
   char *ctmp = new char[2*2+1]; 
   inttohex( superblocknum, ctmp, 2  );
   filenamesb = filenamebase + ".sb" + ctmp + ".dcf";
};

void dcfmbfilename( 
  const int blocknum,
  const int m,
  const string& filenamebase,
  string& mbfilename
) 
{
   char *ctmp1 = new char[2*2+1];
   char *ctmp2 = new char[2*1+1];
   inttohex( blocknum, ctmp1, 2  );
   inttohex( m, ctmp2, 1  );
   mbfilename = filenamebase + ".mb" + ctmp1 + "." + ctmp2 + ".dcf";
}; 

void dcfdbfilename( 
  const int blocknum,
  const string& filenamebase,
  string& dbfilename
) 
{
   char *ctmp = new char[2*2+1];
   inttohex( blocknum, ctmp, 2  );
   dbfilename = filenamebase + ".db" + ctmp + ".dcf";
};


void dcflogfilename( 
   const string& filenamebase, 
   string& filenamelog
) 
{
   filenamelog = filenamebase + ".log.dcf";
}

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