In This Package:

FormString.cc

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#include "../include/FormString.hh"
#include <stdarg.h>
#include <iostream>
#include <cstdio>

using namespace Logging;

std::string Logging::FormString(const char* fmt, ...)
{
  static int sBufSize = 100;
  static char* sBuffer = new char[sBufSize];
  
  va_list ap;
  va_start(ap,fmt);
  int res = vsnprintf(sBuffer, sBufSize, fmt, ap);
  va_end(ap);
        if(res >= sBufSize) {
          sBufSize = res+20;
    //std::cerr << "Increasing buffer size to " << sBufSize << std::endl;
          delete [] sBuffer;
    sBuffer = new char[sBufSize];
    
    // And try again.
    va_list ap2;
    va_start(ap2,fmt);
    vsnprintf(sBuffer, sBufSize, fmt, ap2);
    va_end(ap2);    
  }
        
  return std::string(sBuffer);  
}

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