fsize

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.
 
#ifndef tools_fsize
#define tools_fsize
 
#include <string>
#include <cstdio>
 
namespace tools {
namespace file {
 
inline bool size(const std::string& a_file,long& a_size){
  FILE* file = ::fopen(a_file.c_str(),"rb");
  if(!file) {
    a_size = 0L;
    return false;
  }
  //::rewind(file);
  ::fseek(file,0L,SEEK_END);
  a_size = ::ftell(file);
  ::fclose(file);
  return true;
}
 
inline bool is_empty(const std::string& a_file){
  long sz;
  if(!size(a_file,sz)) return true; //if not existing, consider it empty.
  return (sz==0L)?true:false;
}
 
}}
 
#endif