/*
Copyright (C) 2010 skuller.net

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; either version 2
of the License, or (at your option) any later version.

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.

*/

#define ERRNO_MAX     20000
#if EINVAL > 0
#define Q_ERRNO(e)      ((e == Q_ERR_SUCCESS || e < -ERRNO_MAX) ? 0 : -e)
#define Q_ERR(e)        (e == 0 ? Q_ERR_SUCCESS : e > ERRNO_MAX ? -ERRNO_MAX : -e)
#else
#define Q_ERRNO(e)      ((e == Q_ERR_SUCCESS || e < -ERRNO_MAX) ? 0 : e)
#define Q_ERR(e)        (e == 0 ? Q_ERR_SUCCESS : e < -ERRNO_MAX ? -ERRNO_MAX : e)
#endif
#define _Q_ERR(e)       (-ERRNO_MAX-e)

#define Q_ERR_SUCCESS           0           // Success
#define Q_ERR_FAILURE           _Q_ERR(0)   // Unspecified error
#define Q_ERR_UNKNOWN_FORMAT    _Q_ERR(1)   // Unknown file format
#define Q_ERR_INVALID_FORMAT    _Q_ERR(2)   // Invalid file format
#define Q_ERR_BAD_EXTENT        _Q_ERR(3)   // Bad lump extent
#define Q_ERR_ODD_SIZE          _Q_ERR(4)   // Odd lump size
#define Q_ERR_TOO_MANY          _Q_ERR(5)   // Too many elements
#define Q_ERR_TOO_FEW           _Q_ERR(6)   // Too few elements
#define Q_ERR_BAD_INDEX         _Q_ERR(7)   // Index out of range
#define Q_ERR_INVALID_PATH      _Q_ERR(8)   // Invalid quake path
#define Q_ERR_UNCLEAN_PATH      _Q_ERR(9)   // Unclean quake path
#define Q_ERR_UNEXPECTED_EOF    _Q_ERR(10)  // Unexpected end of file
#define Q_ERR_FILE_TOO_SMALL    _Q_ERR(11)  // File too small
#define Q_ERR_BAD_RLE_PACKET    _Q_ERR(12)  // Bad run length packet
#define Q_ERR_STRING_TRUNCATED  _Q_ERR(13)  // String truncated
#define Q_ERR_LIBRARY_ERROR     _Q_ERR(14)  // Library error
#if USE_ZLIB
#define Q_ERR_INFLATE_FAILED    _Q_ERR(15)   // Inflate failed
#define Q_ERR_DEFLATE_FAILED    _Q_ERR(16)   // Deflate failed
#define Q_ERR_NOT_COHERENT      _Q_ERR(17)   // Coherency check failed
#endif

#define Q_ERR_NOENT             Q_ERR(ENOENT)
#define Q_ERR_NAMETOOLONG       Q_ERR(ENAMETOOLONG)
#define Q_ERR_INVAL             Q_ERR(EINVAL)
#define Q_ERR_DEADLOCK          Q_ERR(EDEADLK)
#define Q_ERR_NOSYS             Q_ERR(ENOSYS)
#define Q_ERR_SPIPE             Q_ERR(ESPIPE)
#define Q_ERR_FBIG              Q_ERR(EFBIG)
#define Q_ERR_ISDIR             Q_ERR(EISDIR)
#define Q_ERR_AGAIN             Q_ERR(EAGAIN)
#define Q_ERR_NFILE             Q_ERR(ENFILE)
#define Q_ERR_EXIST             Q_ERR(EEXIST)

const char *Q_ErrorString( qerror_t error );