//  Copyright (c) 2005-2007 Andre Merzky (andre@merzky.net)
// 
//  Distributed under the Boost Software License, Version 1.0. (See accompanying 
//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

#include <stdexcept>
#include "shell.hpp"

void shell::c_set (std::string args)
{
  std::string key = args;
  std::string val = args;

  size_t idx = args.find (" ");

  if ( idx != 0  && idx != std::string::npos )
  {
    key.erase (idx);
    val.erase (0, idx + 1);
  }
  else
  {
    carp ("format: set <key> <val>");
    return;
  }

  if ( key != "verbose" )
  {
    carp ("Unknown setting: " + key);
    return;
  }

  std::string tmp;

  if ( key == "verbose" )
  {
    tmp  = "SAGA_VERBOSE";
    tmp += "=";
    tmp += val;
  }

  char* env = ::strdup (tmp.c_str ());
  if (NULL == env) 
  {
      throw std::bad_alloc("Out of memory during strdup");
  }
  
  ::putenv (env);

  return;
}