snpf

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.
 
#ifndef tools_snpf
#define tools_snpf
 
#include <cstdarg>
#include <cstdio>
 
namespace tools {
 
inline int vsnpf(char* a_s,size_t a_n,const char* a_fmt,va_list args){
#ifdef _MSC_VER
#if _MSC_VER < 1900
  unsigned int old = _set_output_format(_TWO_DIGIT_EXPONENT);
  int status = _vsnprintf(a_s,a_n,a_fmt,args);
  _set_output_format(old);
  return status;
#else
  return _vsnprintf(a_s,a_n,a_fmt,args);
#endif
#else
  return ::vsnprintf(a_s,a_n,a_fmt,args);
#endif
}
 
inline int snpf(char* a_s,size_t a_n,const char* a_fmt,...){
  va_list args;
  va_start(args,a_fmt);
  int n = vsnpf(a_s,a_n,a_fmt,args);
  va_end(args);
  return n;
}
 
 
}
 
#endif