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Viewing changes to drizzled/functions/str/alloc_buffer.cc

  • Committer: Brian Aker
  • Date: 2008-11-13 02:56:15 UTC
  • mfrom: (575.4.10 devel)
  • Revision ID: brian@tangent.org-20081113025615-snhsi52yb2ivmx6f
Merging Monty's code.

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drizzled/functions/str/alloc_buffer.cc
 
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
 
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 
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 *
 
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 *  Copyright (C) 2008 Sun Microsystems
 
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 *
 
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 *  This program is free software; you can redistribute it and/or modify
 
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 *  it under the terms of the GNU General Public License as published by
 
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 *  the Free Software Foundation; version 2 of the License.
 
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 *
 
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 *  This program is distributed in the hope that it will be useful,
 
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 *  GNU General Public License for more details.
 
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 *
 
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 *  You should have received a copy of the GNU General Public License
 
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 *  along with this program; if not, write to the Free Software
 
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
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 */
 
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#include <drizzled/server_includes.h>
 
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#include CSTDINT_H
 
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#include <drizzled/functions/str/alloc_buffer.h>
 
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String* alloc_buffer(String *res,String *str,String *tmp_value,
 
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                            ulong length)
 
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{
 
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  if (res->alloced_length() < length)
 
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  {
 
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    if (str->alloced_length() >= length)
 
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    {
 
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      (void) str->copy(*res);
 
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      str->length(length);
 
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      return str;
 
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    }
 
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    if (tmp_value->alloc(length))
 
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      return 0;
 
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    (void) tmp_value->copy(*res);
 
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    tmp_value->length(length);
 
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    return tmp_value;
 
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  }
 
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  res->length(length);
 
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  return res;
 
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}