~drizzle-trunk/drizzle/development

/* Copyright (C) 2000 MySQL AB

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program; if not, write to the Free Software

   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

/* Quicker interface to read & write. Used with my_nosys.h */

#include "mysys_priv.h"

#include "my_nosys.h"

size_t my_quick_read(File Filedes,uchar *Buffer,size_t Count,myf MyFlags)

{

  size_t readbytes;

  if ((readbytes = read(Filedes, Buffer, Count)) != Count)

  {

#ifndef DBUG_OFF

    if ((readbytes == 0 || readbytes == (size_t) -1) && errno == EINTR)

    {  

      DBUG_PRINT("error", ("my_quick_read() was interrupted and returned %d"

                           ".  This function does not retry the read!",

                           (int) readbytes));

    }

#endif

    my_errno=errno;

    return readbytes;

  }

  return (MyFlags & (MY_NABP | MY_FNABP)) ? 0 : readbytes;

}

size_t my_quick_write(File Filedes,const uchar *Buffer,size_t Count)

{

#ifndef DBUG_OFF

  size_t writtenbytes;

#endif

  if ((

#ifndef DBUG_OFF

       writtenbytes =

#endif

       (size_t) write(Filedes,Buffer,Count)) != Count)

  {

#ifndef DBUG_OFF

    if ((writtenbytes == 0 || writtenbytes == (size_t) -1) && errno == EINTR)

    {  

      DBUG_PRINT("error", ("my_quick_write() was interrupted and returned %d"

                           ".  This function does not retry the write!",

                           (int) writtenbytes));

    }

#endif

    my_errno=errno;

    return (size_t) -1;

  }

  return 0;

}